Continuous reaction preparation device for iron-free aluminum sulfate
The iron-free aluminum sulfate preparation device, with its multi-stage reaction vessel and precise control system, solves the problems of low efficiency and unstable quality in traditional methods, achieving efficient and continuous iron-free aluminum sulfate preparation and improving product purity and production automation.
Patent Information
- Application Number
- CN202520361981.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional methods for preparing iron-free aluminum sulfate are inefficient, produce inconsistent product quality, are difficult to control precisely under reaction conditions, and are costly.
A continuous reaction preparation device for iron-free aluminum sulfate is designed, employing a multi-stage reaction vessel and a precise control system, including metering pumps, temperature sensors, and pH sensors, to achieve precise mixing of raw materials and real-time monitoring of reaction conditions.
It improves production efficiency and product quality stability, reduces energy consumption, and enables efficient and continuous preparation of iron-free aluminum sulfate.
Smart Images
Figure CN223901853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical engineering and process field, concretely relates to a kind of iron-free aluminium sulfate continuous reaction preparation device. BACKGROUND
[0002] Iron-free aluminium sulfate is an important compound widely used in water treatment, paper industry and as raw material for some chemicals. Traditional preparation methods of iron-free aluminium sulfate usually involve complex chemical reaction steps and relatively high cost, especially in the process of removing impurity iron. With the improvement of environmental protection requirements and strict control of product quality, it is particularly important to develop an efficient, continuous and economical iron-free aluminium sulfate preparation device.
[0003] The traditional aluminium sulfate production process mainly adopts intermittent reaction mode, that is, sulfuric acid and aluminium hydroxide are added in a certain proportion in the reaction kettle, and the reaction is carried out under the condition of heating and stirring. However, this method has some shortcomings. First of all, since batch reaction is required, unloading and cleaning operations are needed after each batch reaction is completed, which not only consumes time but also greatly reduces production efficiency. In addition, it is difficult to accurately control the reaction conditions such as temperature and pH value during intermittent reaction process. Fluctuations in these conditions will directly affect the quality of the product, resulting in unstable product quality and large fluctuations. Therefore, we designed an iron-free aluminium sulfate continuous reaction preparation device to achieve the effect of accurate and continuous preparation of iron-free aluminium sulfate. SUMMARY
[0004] In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides an iron-free aluminium sulfate continuous reaction preparation device.
[0005] The technical scheme is as follows: a continuous reaction preparation device of iron-free aluminum sulfate, comprising a base plate, a storage tank one and a storage tank two, the base plate is the assembly carrier of the device, the top surface of the base plate is provided with the storage tank one and the storage tank two, the storage tank one and the storage tank two are respectively used for storing aluminum-containing raw materials and sulfuric acid raw materials; further comprising a first reaction kettle, a second reaction kettle, a third reaction kettle, a feeding pipe one, a feeding pipe two, a conveying pipe one, a conveying pipe two and a discharging pipe, the top surface of the base plate is fixedly assembled with the first reaction kettle, the second reaction kettle and the third reaction kettle at intervals, the kettle body of the first reaction kettle is provided with a heating element for providing heating, the discharge port of the storage tank one is connected to the inlet of the first reaction kettle through the feeding pipe one, the discharge port of the storage tank two is also connected to the inlet of the first reaction kettle through the feeding pipe two, the outlet of the first reaction kettle and the inlet of the second reaction kettle are connected through the conveying pipe one, the outlet of the second reaction kettle and the inlet of the third reaction kettle are connected through the conveying pipe two, the outlet of the third reaction kettle is connected with the discharging pipe, the base plate is further provided with a metering pump three, a metering pump four and a metering pump five, the metering pump three and the metering pump four are respectively used for controlling the quantitative pumping of the conveying pipe one and the conveying pipe two, and the metering pump five is used for controlling the quantitative pumping of the prepared product in the third reaction kettle through the discharging pipe.
[0006] Further, the base plate is further provided with a metering pump one and a metering pump two, the metering pump one is used for accurately controlling the feeding amount of the feeding pipe one, and the metering pump two is used for accurately controlling the feeding amount of the feeding pipe two, and the metering pump one and the metering pump two are used for pumping the preset content of sulfuric acid and aluminum-containing raw materials into the first reaction kettle for preliminary reaction.
[0007] Further, the heating element comprises a jacket and a serpentine heat exchange pipe, a circle of serpentine heat exchange pipes is arranged around the periphery of the first reaction kettle, the outer side of the serpentine heat exchange pipe is provided with a jacket, and the jacket is used for heat preservation of the serpentine heat exchange pipe outside the first reaction kettle, reducing the energy loss when the serpentine heat exchange pipe is heated.
[0008] Further, it further comprises a motor and a stirring rod, the stirring rod is rotatably installed in the storage tank one, the motor is fixedly installed on the outer wall of the storage tank one, the output shaft of the motor is connected with the stirring rod, and the motor drives the stirring rod to stir the aluminum-containing raw materials in the storage tank one, so that the aluminum-containing raw materials can be uniformly mixed before being added into the first reaction kettle and mixed with sulfuric acid.
[0009] Further, it further comprises a temperature sensor, the kettle bodies of the first reaction kettle, the second reaction kettle and the third reaction kettle are provided with temperature sensors, the temperature sensors are used for real-time monitoring of the reaction temperature of each reaction kettle in different preparation stages, ensuring that the preparation is carried out within the optimal temperature range, so as to optimize the reaction efficiency, ensure safety and improve product quality.
[0010] Further, the ph value sensor is further included, and ph value sensors are further arranged on kettle bodies of the first reaction kettle, the second reaction kettle and the third reaction kettle, the temperature sensor is used for monitoring the ph value of each reaction kettle in different preparation stages in real time, so that the user can maintain the suitable acid-base degree of the reaction environment, ensure the smooth chemical reaction, improve the product purity and protect the equipment.
[0011] Beneficial effects are: 1, the utility model discloses a metering pump one and metering pump two respectively to the aluminum-containing raw material and sulfuric acid are accurately controlled, ensure that two raw materials accurately mix according to preset ratio, help to improve the purity and quality of the final product, cooperate with multistage reaction kettle and carry out continuous preparation, reduce the demand of manual intervention, improve the automation level and stability of production.
[0012] 2, the utility model discloses that the first reaction kettle can be equipped with serpentine heat exchange pipe and the clamping sleeve, can effectively reduce energy loss, and provide stable heating environment for the primary preparation reaction, beneficial to maintain the optimum reaction condition, thereby improve the reaction efficiency.
[0013] 3, the utility model discloses still can pass through installing temperature sensor and pH value sensor on each stage reaction kettle, can monitor the key parameter in the reaction process in real time, ensure that the reaction is carried out under the optimum condition, thereby help to optimize the quality of product, and guarantee production safety. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0015] Figure 2 It is the connection relation diagram of the utility model storage tank one, storage tank two, metering pump one and metering pump two.
[0016] Figure 3 It is the schematic diagram of the utility model first reaction kettle, second reaction kettle and third reaction kettle.
[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model motor and stirring rod.
[0018] Part name and serial number in the drawing: 100-substrate, 1-storage tank one, 2-storage tank two, 3-first reaction kettle, 4-second reaction kettle, 5-third reaction kettle, 6-metering pump one, 61-metering pump two, 7-feeding pipe one, 71-feeding pipe two, 8-clamping sleeve, 9-serpentine heat exchange pipe, 10-metering pump three, 101-metering pump four, 102-metering pump five, 11-feeding pipe one, 111-feeding pipe two, 112-discharge pipe, 12-motor, 13-stirring rod, 14-temperature sensor, 15-ph value sensor. DETAILED DESCRIPTION
[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings.
[0020] A continuous reaction preparation apparatus for iron-free aluminum sulfate, such as Figures 1-4 As shown, the device includes a base plate 100, a storage tank 1, and a storage tank 2. The base plate 100 serves as the assembly carrier for this device. The top surface of the base plate 100 is provided with storage tank 1 and storage tank 2, which are used to store aluminum-containing raw materials and sulfuric acid raw materials, respectively. The device also includes a primary reactor 3, a secondary reactor 4, a tertiary reactor 5, a feed pipe 7, a feed pipe 71, a conveying pipe 11, a conveying pipe 111, and a discharge pipe 112. The primary reactor 3, secondary reactor 4, and tertiary reactor 5 are fixedly mounted at intervals on the top surface of the base plate 100. The primary reactor 3 is equipped with a heating element for heating. The discharge port of storage tank 1 is connected to the inlet of the primary reactor 3 through feed pipe 7. The outlet of storage tank 2 is also connected to the inlet of primary reactor 3 through feed pipe 2 71. The outlet of primary reactor 3 and the inlet of secondary reactor 4 are connected through feed pipe 1 11. The outlet of secondary reactor 4 and the inlet of tertiary reactor 5 are connected through feed pipe 2 111. The outlet of tertiary reactor 5 is connected to discharge pipe 112. Metering pump 3 10, metering pump 4 101 and metering pump 5 102 are also installed on base plate 100. Metering pump 3 10 and metering pump 4 101 are used to control feed pipe 1 11 and feed pipe 2 111 to perform quantitative pumping, respectively. Metering pump 5 102 is used to control discharge pipe 112 to quantitatively pump out the prepared product in tertiary reactor 5.
[0021] like Figure 2 As shown, metering pump 6 and metering pump 61 are also provided on the substrate 100. Metering pump 6 is used to precisely control the feed amount of feed pipe 7, and metering pump 61 is used to precisely control the feed amount of feed pipe 71. The preset amount of sulfuric acid and aluminum-containing raw materials are pumped to the primary reactor 3 for preliminary reaction through metering pump 6 and metering pump 61.
[0022] like Figure 2 and Figure 3 As shown, the heating element includes a jacket 8 and a serpentine heat exchange tube 9. A serpentine heat exchange tube 9 is arranged around the outside of the primary reactor 3. The jacket 8 is provided on the outside of the serpentine heat exchange tube 9. The jacket 8 is used to keep the serpentine heat exchange tube 9 warm outside the primary reactor 3 and reduce the energy loss when the serpentine heat exchange tube 9 is heated.
[0023] like Figure 1 and Figure 4As shown, it also includes a motor 12 and a stirring rod 13, the stirring rod 13 is rotatably installed in the storage tank 1, the motor 12 is fixedly installed on the outer wall of the storage tank 1, the output shaft of the motor 12 is connected with the stirring rod 13, and the motor 12 drives the stirring rod 13 to stir the aluminum-containing raw materials in the storage tank 1, so that the aluminum-containing raw materials can be uniformly mixed before being added into the reaction kettle 1 and mixed with sulfuric acid.
[0024] As shown in the figure, Figure 3 As shown, it also includes a temperature sensor 14, which is assembled on the kettle body of the first-stage reaction kettle 3, the second-stage reaction kettle 4 and the third-stage reaction kettle 5, and is used for real-time monitoring of the reaction temperature of each reaction kettle at different preparation stages, so as to ensure that the preparation is carried out within the optimal temperature range, optimize the reaction efficiency, ensure safety and improve product quality.
[0025] As shown in the figure, Figure 3 As shown, it also includes a ph value sensor 15, which is assembled on the kettle body of the first-stage reaction kettle 3, the second-stage reaction kettle 4 and the third-stage reaction kettle 5, and is used for real-time monitoring of the ph value of each reaction kettle at different preparation stages, so as to facilitate the user to maintain the appropriate acid-base degree of the reaction environment, ensure the smooth progress of the chemical reaction, improve the product purity and protect the equipment.
[0026] When the device is continuously reacting and preparing iron-free aluminum sulfate, the aluminum-containing raw materials in the storage tank 1 are kept in a uniformly mixed state under the continuous stirring of the motor 12 and the stirring rod 13, and the metering pump 1 and the metering pump 2 61 are simultaneously started, so that the aluminum-containing raw materials and the sulfuric acid raw materials in the storage tank 1 and the storage tank 2 are synchronously transported to the first-stage reaction kettle 3 through the feeding pipe 1 7 and the feeding pipe 2 71 respectively under precise control according to the preset proportion, the first-stage reaction kettle 3 heats the mixed materials in the kettle through the serpentine heat exchange pipe 9, and the heat preservation design of the jacket 8 effectively reduces heat loss, ensuring that the reaction system is quickly heated to the preset temperature range, at this time the aluminum-containing raw materials react with sulfuric acid at high temperature, and the intermediate product generated after a period of reaction is continuously pumped into the second-stage reaction kettle 4 through the metering pump 3 10 controlled feeding pipe 1 11, and the substances not completely reacted in the second-stage reaction kettle 4 further contact and deepen the reaction, and the reaction liquid is quantitatively transported to the third-stage reaction kettle 5 through the metering pump 4 101 controlled feeding pipe 2 111 for the final stage of sufficient reaction, so that the multi-stage reaction kettle series design improves the conversion efficiency through the step-by-step optimization of the residence time and the reaction intensity, and the final product is stably output from the third-stage reaction kettle 5 through the metering pump 5 102 from the discharge pipe 112, and the reaction conditions are monitored and fed back in real time through the temperature sensor 14 and the ph value sensor 15 during the whole process, so that the operator can dynamically adjust the heating power or the raw material ratio according to the feedback, forming a continuous and automated production process.
[0027] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.
Claims
1. A device for continuously preparing iron-free aluminum sulfate by reaction, comprising a base plate (100), a storage tank I (1) and a storage tank II (2), wherein the top surface of the base plate (100) is provided with the storage tank I (1) and the storage tank II (2); further comprising a first reaction kettle (3), a second reaction kettle (4), a third reaction kettle (5), a feeding pipe I (7), a feeding pipe II (71), a conveying pipe I (11), a conveying pipe II (111) and a discharge pipe (112), wherein the top surface of the base plate (100) is equipped with the first reaction kettle (3), the second reaction kettle (4) and the third reaction kettle (5), the kettle body of the first reaction kettle (3) is provided with a heating element for providing heating, the discharge port of the storage tank I (1) is connected to the inlet of the first reaction kettle (3) through the feeding pipe I (7), the discharge port of the storage tank II (2) is also connected to the inlet of the first reaction kettle (3) through the feeding pipe II (71), the outlet of the first reaction kettle (3) and the inlet of the second reaction kettle (4) are connected through the conveying pipe I (11), the outlet of the second reaction kettle (4) and the inlet of the third reaction kettle (5) are connected through the conveying pipe II (111), the outlet of the third reaction kettle (5) is connected with the discharge pipe (112), and the base plate (100) is further provided with a metering pump III (10), a metering pump IV (101) and a metering pump V (102), respectively, wherein the metering pump III (10) and the metering pump IV (101) are used for controlling the metering pump III (10) and the metering pump IV (101) to perform quantitative pumping, and the metering pump V (102) is used for controlling the metering pump V (102) to quantitatively pump out the prepared product in the third reaction kettle (5). characterized in that The base plate (100) is further provided with a metering pump I (6) and a metering pump II (61), respectively, wherein the metering pump I (6) is used for accurately controlling the feeding amount of the feeding pipe I (7), and the metering pump II (61) is used for accurately controlling the feeding amount of the feeding pipe II (71).
2. A device for continuous reaction preparation of iron-free aluminum sulfate according to claim 1, characterized in that, The heating element comprises a jacket (8) and a serpentine heat exchange pipe (9), wherein the periphery of the first reaction kettle (3) is provided with a ring of the serpentine heat exchange pipe (9), and the outer side of the serpentine heat exchange pipe (9) is provided with the jacket (8), and the jacket (8) is used for heat preservation of the serpentine heat exchange pipe (9) outside the first reaction kettle (3).
3. A device for continuous reaction preparation of iron-free aluminum sulfate according to claim 2, characterized in that, Further comprising a motor (12) and a stirring rod (13), wherein the stirring rod (13) is rotatably installed in the storage tank I (1), and the motor (12) is fixedly installed on the outer wall of the storage tank I (1), and the output shaft of the motor (12) is connected with the stirring rod (13).
4. A device for continuous reaction preparation of iron-free aluminum sulfate according to claim 3, characterized in that, Further comprising a temperature sensor (14), wherein the kettle body of the first reaction kettle (3), the second reaction kettle (4) and the third reaction kettle (5) is equipped with the temperature sensor (14), and the temperature sensor (14) is used for real-time monitoring of the reaction temperature of each reaction kettle in different preparation stages.
5. A device for continuous reaction preparation of iron-free aluminum sulfate according to claim 4, characterized in that, 6. A device for continuous reaction preparation of iron-free aluminum sulfate according to claim 5, characterized in that, Also included are ph sensors (15), the ph sensors (15) are also assembled on the kettle bodies of the first reaction kettle (3), the second reaction kettle (4) and the third reaction kettle (5), and the temperature sensors (14) are used to monitor the ph values of the reaction kettles in different preparation stages in real time.