Stirring reaction tank for formaldehyde production
By installing coils and a cooling and heating system inside the formaldehyde production stirring reaction tank, the problem of poor temperature control was solved, precise temperature control was achieved, and production efficiency and product quality were improved.
Patent Information
- Application Number
- CN202423119214.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing formaldehyde production stirred reaction tanks have poor temperature control, leading to localized overheating or undercooling, which affects equipment lifespan and production efficiency, and increases maintenance costs.
A stirred reaction vessel was designed. By installing a coil inside the reaction vessel and connecting it to a cooling box and a heating box, precise temperature control can be achieved by circulating a cooling or heating medium in the coil.
It enables precise temperature control within the reaction vessel, improving the reaction efficiency and product quality of formaldehyde production while reducing equipment maintenance requirements.
Smart Images
Figure CN223570724U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of chemical equipment especially relates to a kind of stirring reaction tank for formaldehyde production. BACKGROUND
[0002] Formaldehyde is an organic compound, it is a colorless, irritating odor gas, easily soluble in water, in industry, formaldehyde is an important chemical raw material, for producing resin, plastic, explosive, dye and numerous products, in formaldehyde production, the role of stirring reaction tank is to put raw material (such as methanol and oxygen etc.) for producing formaldehyde into tank according to certain proportion, by stirring, these raw materials are fully mixed, and under the conditions such as suitable temperature, pressure and catalyst, chemical reaction occurs, to generate formaldehyde efficiently.
[0003] At present, the temperature control in the stirring reaction tank for formaldehyde production is not good, and some problems may occur in the reaction tank due to local overheating or overcooling. Local overheating may accelerate the aging of the equipment, such as reducing the performance of the tank body material, deforming and damaging the sealing element, increasing the risk of formaldehyde leakage. Local overcooling may cause some materials to condense on the surface of the equipment or in the pipeline, blocking the pipeline or affecting the normal operation of the stirring device. These problems will cause the equipment to need more frequent maintenance and repair, increase the maintenance cost and downtime of the equipment, and reduce the overall production efficiency.
[0004] Therefore, it is necessary to provide a stirring reaction tank for formaldehyde production to solve the above technical problems. SUMMARY
[0005] The utility model provides a kind of stirring reaction tank for formaldehyde production, solve the problem of internal temperature control when formaldehyde reaction tank production is not good.
[0006] In order to solve the above technical problems, the utility model provides a stirring reaction tank for formaldehyde production, which comprises a base, a reaction tank fixedly connected to the top of the base, a coil pipe arranged in the reaction tank, the coil pipe penetrating through the reaction tank and extending to the outside of the reaction tank, a support column fixedly connected to the top of the base, a support plate fixedly connected to the top of the support column, a refrigeration box fixedly connected to the top of the support plate, an output tee joint pipe fixedly connected to one side of the refrigeration box, an output refrigeration valve arranged outside the output tee joint pipe, the output tee joint pipe being inserted into one end of the coil pipe, an input tee joint pipe fixedly connected to the other side of the refrigeration box, an input refrigeration valve fixedly connected to the outside of the input tee joint pipe, a water pump fixedly connected to the top of the support plate, the water pump being fixedly connected to the outside of the input tee joint pipe, an extension pipe fixedly connected to the outside of the water pump, the extension pipe being inserted into the other end of the coil pipe, a vertical column fixedly connected to the top of the support plate, a bearing plate fixedly connected to the outside of the vertical column, a heating box fixedly connected to the top of the bearing plate, the heating box being fixedly connected to the output tee joint pipe on one side, an output heating valve fixedly connected to the outside of the output tee joint pipe, the heating box being fixedly connected to the input tee joint pipe on the other side, and an input heating valve fixedly connected to the outside of the input tee joint pipe.
[0007] Preferably, the reaction tank is fixedly connected with a motor at the top, the motor is fixedly connected with a rotating shaft at the bottom, the rotating shaft penetrates through the reaction tank and extends into the reaction tank, the rotating shaft is fixedly connected with an inclined blade outside, the rotating shaft penetrates through the inclined blade and extends to the outside of the inclined blade, the rotating shaft is fixedly connected with a rice-shaped plate outside, the rotating shaft penetrates through the rice-shaped plate and extends to the outside of the rice-shaped plate, the rotating shaft is fixedly connected with an anchor plate outside, the rotating shaft penetrates through the anchor plate and extends to the outside of the anchor plate, and the reaction tank is fixedly connected with a circular sleeve inside, the circular sleeve is movably connected with the other end of the rotating shaft.
[0008] Preferably, the support column is fixedly connected with a work plate outside, and the work plate is fixedly connected with an operation table outside.
[0009] Preferably, the reaction tank is fixedly connected with a discharge pipe outside, and the discharge pipe is fixedly connected with a flow control valve at the top.
[0010] Preferably, the reaction tank is fixedly connected with a liquid level display mechanism outside.
[0011] Preferably, the reaction tank is fixedly connected with a feeding port at the top.
[0012] Compared with the related art, the stirring reaction tank for formaldehyde production has the following beneficial effects:
[0013] The utility model provides a kind of for stirring reaction tank of formaldehyde production, the utility model provides a kind of for stirring reaction tank of formaldehyde production, connect through coil pipe and refrigeration box, heating box, can according to reaction requirement flexible switching refrigeration or heating mode.When reaction needs to be cooled, open refrigeration box relevant valve and water pump, make cooling medium circulate in coil pipe and take away heat;When needing to be heated, switch to heating box mode, let the medium after heating circulate in coil pipe, to accurately maintain the temperature in reaction tank, it is favorable for formaldehyde production reaction to carry out at suitable temperature, improve reaction efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 For the structure diagram of preferred embodiment of the stirring reaction tank for formaldehyde production provided by the utility model shows A part enlarged schematic view;
[0015] Figure 2 For Figure 1 The left side structure schematic view shown in figure A part enlarged schematic view shown in figure B part enlarged schematic view shown in figure;
[0016] Figure 3 For Figure 1 The left side structure schematic view shown in figure A part enlarged schematic view shown in figure B part enlarged schematic view shown in figure;
[0017] Figure 4 For Figure 3 The left side structure schematic view shown in figure A part enlarged schematic view shown in figure B part enlarged schematic view shown in figure;
[0018] Figure 5 For Figure 1 The left side structure schematic view shown in figure A part enlarged schematic view shown in figure B part enlarged schematic view shown in figure;
[0019] Figure 6 For Figure 1 The left side structure schematic view shown in figure A part enlarged schematic view shown in figure B part enlarged schematic view shown in figure;
[0020] Marked number in drawing: 1, base, 2, reaction tank, 3, coil pipe, 4, support column, 5, support plate, 6, refrigeration box, 7, output tee bend, 8, output refrigeration valve, 9, input tee bend, 10, input refrigeration valve, 11, water pump, 12, extension pipe, 13, stand column, 14, bearing plate, 15, heating box, 16, output heating valve, 17, input heating valve, 18, motor, 19, rotating shaft, 20, oblique leaf plate, 21, mi character plate, 22, anchor plate, 23, round sleeve, 24, operation plate, 25, operation table, 26, discharge pipe, 27, flow control valve, 28, liquid level display mechanism, 29, inlet. DETAILED DESCRIPTION
[0021] The utility model is further described below in connection with drawing and embodiment.
[0022] Please combine with Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 ,Figure 5 and Figure 6 wherein, Figure 1 is a preferred embodiment structure diagram of the stirring reaction tank for formaldehyde production provided by the utility model; Figure 2 is Figure 1 the A part enlarged schematic view shown in the figure; Figure 3 is Figure 1 the left side structure schematic view shown in the figure; Figure 4 is Figure 3 the B part enlarged schematic view shown in the figure; Figure 5 is Figure 1 the internal structure schematic view shown in the figure; Figure 6 is Figure 1 the side sectional view schematic view shown in the figure. The stirring reaction tank for formaldehyde production comprises a base 1, a reaction tank 2 is fixedly connected to the top of the base 1, a coil pipe 3 is arranged in the reaction tank 2, the coil pipe 3 penetrates through the reaction tank 2 and extends to the outside of the reaction tank 2, a supporting column 4 is fixedly connected to the top of the base 1, a supporting plate 5 is fixedly connected to the top of the supporting column 4, a refrigeration box 6 is fixedly connected to the top of the supporting plate 5, an output three-way pipe 7 is fixedly connected to one side of the refrigeration box 6, an output refrigeration valve 8 is arranged outside the output three-way pipe 7, the output three-way pipe 7 is inserted with one end of the coil pipe 3, an input three-way pipe 9 is fixedly connected to the other side of the refrigeration box 6, an input refrigeration valve 10 is fixedly connected outside the input three-way pipe 9, a water pump 11 is fixedly connected to the top of the supporting plate 5, the water pump 11 is fixedly connected outside the input three-way pipe 9, an extension pipe 12 is fixedly connected outside the water pump 11, the extension pipe 12 is inserted with the other end of the coil pipe 3, a vertical column 13 is fixedly connected to the top of the supporting plate 5, a bearing plate 14 is fixedly connected outside the vertical column 13, a heating box 15 is fixedly connected to the top of the bearing plate 14, one side of the heating box 15 is fixedly connected with the output three-way pipe 7, an output heating valve 16 is fixedly connected outside the output three-way pipe 7, the other side of the heating box 15 is fixedly connected with the input three-way pipe 9, and an input heating valve 17 is fixedly connected outside the input three-way pipe 9.
[0023] The base 1 provides stable support for the whole device, the reaction tank 2 is the core container for formaldehyde production, the internal coil pipe 3 is used for cold and heat exchange. The supporting column 4 and the supporting plate 5 build a stable framework, the refrigeration box 6 cooperates with the output three-way pipe 7 (controlled by the output refrigeration valve 8), the input three-way pipe 9 (controlled by the input refrigeration valve 10), the water pump 11 and the extension pipe 12, so that the cooling medium circulates and refrigerates in the coil pipe 3; the heating box 15 also cooperates with the output three-way pipe 7 (controlled by the output heating valve 16), the input three-way pipe 9 (controlled by the input heating valve 17) and the water pump 11, so that the heating medium circulates and heats in the coil pipe 3, thereby accurately controlling the temperature in the reaction tank 2.
[0024] The top of the reaction tank 2 is fixedly connected with a motor 18, the bottom of the motor 18 is fixedly connected with a rotating shaft 19, the rotating shaft 19 penetrates the reaction tank 2 and extends to the inside of the reaction tank 2, the outside of the rotating shaft 19 is fixedly connected with an inclined blade plate 20, the rotating shaft 19 penetrates the inclined blade plate 20 and extends to the outside of the inclined blade plate 20, the outside of the rotating shaft 19 is fixedly connected with a rice-shaped plate 21, the rotating shaft 19 penetrates the rice-shaped plate 21 and extends to the outside of the rice-shaped plate 21, the outside of the rotating shaft 19 is fixedly connected with an anchor plate 22, the rotating shaft 19 penetrates the anchor plate 22 and extends to the outside of the anchor plate 22, the inside of the reaction tank 2 is fixedly connected with a round sleeve 23, and the other end of the rotating shaft 19 is movably connected with the round sleeve 23.
[0025] The motor 18 at the top of the reaction tank 2 serves as a power core, and the rotating shaft 19 fixedly connected at the bottom penetrates the reaction tank 2 and extends to the inside. The inclined blade plate 20 outside the rotating shaft 19 serves as the uppermost stirring paddle, which is designed in an inclined blade type, and its function is to push the material downward, so that the upper material in the tank starts to mix and stir. The rice-shaped plate 21 is equivalent to the middle stirring paddle, which is similar to a turbine structure and can generate strong axial flow, further strengthening the dispersion and mixing effect of the material in the middle region. The anchor plate 22 serves as the lower stirring paddle, which is close to the tank bottom and has the function of an anchor stirring paddle, effectively preventing the material from depositing and accumulating. The round sleeve 23 fixedly connected inside the reaction tank 2 is movably connected with the other end of the rotating shaft 19, mainly serving to stabilize the rotation of the rotating shaft 19, reduce friction, and assist in positioning. Through the multi-layer stirring paddle structure, the components cooperate to ensure that the material in the tank is fully stirred at different heights and levels, ensuring uniformity of the reaction material mixing and high efficiency of the reaction
[0026] The support column 4 is fixedly connected with a workboard 24 outside, and the workboard 24 is fixedly connected with an operation table 25 outside.
[0027] The workboard 24 fixed on the support column 4 provides a stable installation foundation for the operation table 25, and the operation table 25 facilitates the monitoring, operation and debugging of the reaction tank 2 and its auxiliary equipment (such as the refrigeration box 6, the heating box 15, etc.) by the operator, ensuring that the entire production process is orderly and accurately carried out.
[0028] The reaction tank 2 is fixedly connected with a discharge pipe 26 outside, and the discharge pipe 26 is fixedly connected with a flow control valve 27 at the top.
[0029] The discharge pipe 26 of the reaction tank 2 is used for discharging, and the flow control valve 27 at the top can accurately control the discharge flow and flow rate, ensuring that the discharging link is stable and efficient and connected with the subsequent process.
[0030] The reaction tank 2 is fixedly connected with a liquid level display mechanism 28 outside.
[0031] The liquid level display mechanism 28 of the reaction tank 2 can directly show the liquid level of the material in the tank, assist the operator to monitor the stock, and ensure the safe and continuous production.
[0032] The top of the reaction tank 2 is fixedly connected with a feeding port 29.
[0033] The feeding port 29 at the top of the reaction tank 2 is a channel for adding raw materials, and precise feeding can be realized to ensure the supply of raw materials for formaldehyde production.
[0034] The working principle of the stirring reaction tank for formaldehyde production is as follows: firstly, in the formaldehyde production process, when the temperature in the reaction tank 2 needs to be reduced, the output refrigeration valve 8 and the input refrigeration valve 10 are opened, and the water pump 11 is started. The cooling medium in the refrigeration box 6 flows out from the refrigeration box 6 under the power action of the water pump 11, enters the coil pipe 3 through the output three-way pipe 7, the cooling medium exchanges heat with the material in the reaction tank 2 in the coil pipe 3, and then returns to the refrigeration box 6 through the extension pipe 12 and the input three-way pipe 9 after absorbing heat, so that the heat in the reaction tank 2 is continuously taken out, so that the purpose of cooling is realized. Then, when the reaction process changes and the reaction tank 2 needs to be heated, the output refrigeration valve 8 and the input refrigeration valve 10 are closed, and the output heating valve 16 and the input heating valve 17 are opened. At this time, the water pump 11 is started, and the water pump 11 provides power for the heating medium in the heating box 15. The heating medium starts from the heating box 15, flows into the coil pipe 3 through the output three-way pipe 7, releases heat to the material in the reaction tank 2 in the coil pipe 3, and then returns to the heating box 15 through the extension pipe 12 and the input three-way pipe 9 after completing heat transfer. Through such a circulation process, the temperature in the reaction tank 2 gradually increases. Finally, through flexible switching of the refrigeration and heating modes and the cooperative work of the related valves and equipment, the temperature in the reaction tank 2 is accurately maintained in the appropriate range required by formaldehyde production, so that the formaldehyde production reaction can be efficiently and stably carried out, the product quality and production efficiency are improved, various problems caused by temperature loss of control are reduced, and the reliable operation of the entire formaldehyde production system is ensured.
[0035] Compared with the related art, the stirring reaction tank for formaldehyde production has the following beneficial effects:
[0036] The stirring reaction tank for formaldehyde production is connected with the refrigeration box 6 and the heating box 15 through the coil pipe 3, and the refrigeration or heating mode can be flexibly switched according to the reaction requirement. When the reaction needs to be cooled, the related valves of the refrigeration box 6 and the water pump 11 are opened, so that the cooling medium circulates in the coil pipe 3 and takes away heat; when the reaction needs to be heated, the heating box 15 mode is switched, so that the heated medium circulates in the coil pipe 3, thereby accurately maintaining the temperature in the reaction tank 2, which is beneficial to the formaldehyde production reaction under the appropriate temperature, improves the reaction efficiency and product quality.
[0037] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A stirred reaction tank for formaldehyde production, characterized by, Include: The base, the reaction tank is fixedly connected on the top, the coil is arranged in the reaction tank, the coil penetrates the reaction tank and extends to the outside of the reaction tank, the support column is fixedly connected on the top of the base, the support plate is fixedly connected on the top of the support column, the refrigeration box is fixedly connected on the top of the support plate, the output tee pipe is fixedly connected on one side of the refrigeration box, the output refrigeration valve is arranged outside the output tee pipe, the output tee pipe is inserted with one end of the coil, the input tee pipe is fixedly connected on the other side of the refrigeration box, the input refrigeration valve is fixedly connected outside the input tee pipe, the water pump is fixedly connected on the top of the support plate, the water pump is fixedly connected with the input tee pipe outside, the extension pipe is fixedly connected outside the water pump, the extension pipe is inserted with the other end of the coil, the stand is fixedly connected on the top of the support plate, the bearing plate is fixedly connected outside the stand, the heating box is fixedly connected on the top of the bearing plate, one side of the heating box is fixedly connected with the output tee pipe, the output heating valve is fixedly connected outside the output tee pipe, the other side of the heating box is fixedly connected with the input tee pipe, and the input heating valve is fixedly connected outside the input tee pipe.
2. The stirred reaction tank for formaldehyde production according to claim 1, characterized by, The motor is fixedly connected on the top of the reaction tank, the rotating shaft is fixedly connected on the bottom of the motor, the rotating shaft penetrates the reaction tank and extends to the inside of the reaction tank, the rotating shaft is fixedly connected with the inclined blade outside, the rotating shaft penetrates the inclined blade and extends to the outside of the inclined blade, the rotating shaft is fixedly connected with the anchor plate outside, the rotating shaft penetrates the anchor plate and extends to the outside of the anchor plate, the rotating shaft is fixedly connected with the circular sleeve inside, and the other end of the rotating shaft is movably connected with the circular sleeve.
3. The stirred reaction tank for formaldehyde production according to claim 1, characterized by, The operation plate is fixedly connected outside the support column, and the operation table is fixedly connected outside the operation plate.
4. The stirred reaction tank for formaldehyde production according to claim 1, characterized by, The discharge pipe is fixedly connected outside the reaction tank, and the flow control valve is fixedly connected on the top of the discharge pipe.
5. The stirred reaction tank for formaldehyde production according to claim 1, characterized by The liquid level display mechanism is fixedly connected outside the reaction tank.
6. The stirred reaction tank for formaldehyde production according to claim 1, characterized by The feeding port is fixedly connected on the top of the reaction tank.