Clean production device of azodicarbonamide
Technical Field
The utility model relates to the technical field of clean production devices, in particular to a clean production device of azodicarbonamide.
Background
Azodicarbonamide (ADC foaming agent) is a general foaming agent with large gas generation amount, the production process of synthesizing hydrazine hydrate by a urea method is generally adopted at home and at present, urea reacts with sodium hypochlorite to generate a dilute hydrazine hydrate solution, the desalted and refined hydrazine hydrate solution and urea are subjected to acid condensation under the condition of pH=4-5 to generate biurea, and then chlorine is used for oxidation to obtain azodicarbonamide, and the azodicarbonamide is an important organic synthesis intermediate and is generally used in the fields of dyes, pigments, medicines and the like. Conventional azodicarbonamide production processes are often accompanied by high energy consumption, high pollution and high safety risks, so that clean production techniques are of great importance for azodicarbonamide production.
At present, the mechanism inside the clean apparatus for producing among the existing equipment is complicated, inconvenient disassembly, lead to the inside agitating unit of device to clean inconvenient, be used for not forming the reutilization for the water source that equipment cooling was used simultaneously, cause the waste, chinese patent discloses an "clean apparatus for producing of azodicarbonamide", its application is "CN202221107249.9", pour into the reactant into inside through the filling tube, carry out chemical reaction with inside liquid, and cooperate power motor to provide power, drive rotatory piece and rotary rod and rotate, reach the function of accelerating mixing efficiency, in addition, drive the upset board and rotate when rotatory piece, make upset board upset top and bottom liquid, by guiding gutter and guiding hole mutually support again, carry out fast flow, further accelerate the efficiency of reaction, the inside mixed reaction efficiency of clean apparatus is slower, thereby influence the problem of the work efficiency of device, be favorable to the device to increase stirring function, but it does not take into account the inside agitating unit clean inconvenient problem of, the water source for equipment cooling does not form the problem of reutilization simultaneously.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art, and provides a clean production device of azodicarbonamide, which is used for collecting and filtering a water source used for heat exchange and cooling through the cooperation of a water outlet pipe, a water storage box, a water pump, a transportation pipe and a filtering device, so that the subsequent utilization is facilitated, the sustainable utilization of water resources is improved, the concept of saving resources and protecting the environment is met, and meanwhile, through the cooperation of a hydraulic pump and a water spraying pipe, the stirring blade is cleaned by using the collected and filtered water, so that the stirring blade is cleaned after the stirring blade is not detached, the downtime is reduced, the production efficiency is improved, and the clean production of equipment is ensured.
The utility model also provides a clean production device of the azodicarbonamide, which comprises: the tank bottom, the last fixed surface of tank bottom is connected with reation kettle, reation kettle's last fixed surface is connected with sealed lid, the last fixed surface of sealed lid is connected with the motor, the output of motor has the stirring leaf through rotation axis connection, the last fixed surface of tank bottom is connected with plate heat exchanger, the side surface of tank bottom has refrigerating plant through inlet tube connection, refrigerating plant's surface is provided with the water inlet, the side surface of tank bottom has the water storage box through outlet piping connection, the inside of water storage box is provided with the water pump, the output of water pump is provided with the transportation pipe, transportation pipe upper end fixedly connected with filter equipment, filter equipment's last fixed surface is connected with hydraulic pump, the output of hydraulic pump is provided with the spray pipe.
According to the clean production device of the azodicarbonamide, the outer surface of the plate heat exchanger is fixedly connected with the inner surface of the reaction kettle, the heat exchange tube is arranged in the plate heat exchanger and is communicated with the water outlet pipe and the water inlet pipe, the connection mode ensures the heat transfer efficiency between the plate heat exchanger and the reaction kettle, improves the heat exchange effect and is beneficial to keeping the temperature in the reaction kettle stable.
According to the clean production device of the azodicarbonamide, disclosed by the utility model, the drain pipe and the discharge pipe are arranged on the lower surface of the tank bottom, the drain pipe and the discharge pipe are both provided with the sealing valve, the flow of drainage and discharge can be effectively controlled by the arrangement of the sealing valve, the possible leakage risk is reduced, and the safety and the operation reliability of equipment are improved.
According to the clean production device of the azodicarbonamide, the upper end of the sealing cover is provided with the feeding pipe, the lower surface of the filtering device is fixedly connected with the upper surface of the water storage box, and the sealing property between the sealing cover and the filtering device is ensured by the connection mode.
According to the clean production device of the azodicarbonamide, the support frame is fixedly connected to the lower surface of the tank bottom, the bottom plate is fixedly connected to the lower surface of the support frame, the stability and the bearing capacity of the reaction kettle are enhanced by the arrangement of the support frame and the bottom plate, the reduction of vibration and deformation is facilitated, and the service life of equipment is prolonged.
According to the clean production device of the azodicarbonamide, the upper surface of the bottom plate is fixedly connected with the lower surface of the refrigerating device, and the lower surface of the water storage box is fixedly connected with the upper surface of the bottom plate, so that the stable installation of the refrigerating device is ensured by the connection mode, and the refrigerating effect is improved.
According to the clean production device of the azodicarbonamide, the connecting holes are formed in the outer surface of the reaction kettle, the inner surfaces of the connecting holes are fixedly connected with the outer surface of the spray pipe, and the connecting mode ensures the stable installation of the spray pipe and is beneficial to improving the accuracy in spraying.
According to the clean production device of the azodicarbonamide, the refrigerating device is positioned at the right end of the reaction kettle, the outer surface of the refrigerating device is fixedly connected with the outer surface of the water storage box, and the connection mode is favorable for ensuring stable connection of the water storage box.
Advantageous effects
1. Compared with the prior art, the clean production device of the azodicarbonamide is used for collecting and filtering a water source used for heat exchange and cooling through the cooperation of the water outlet pipe, the water storage box, the water pump, the transportation pipe and the filtering device, is convenient for subsequent utilization, improves the sustainable utilization of water resources, and accords with the concepts of saving resources and protecting environment.
2. Compared with the prior art, the clean production device of the azodicarbonamide uses the collected and filtered water to clean the stirring blade through the cooperation of the hydraulic pump and the water spraying pipe, so that the stirring blade is not required to be disassembled and then cleaned, the downtime is reduced, the production efficiency is improved, and the clean production of equipment is ensured.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a view showing the overall construction of a clean production apparatus of azodicarbonamide of the present utility model;
FIG. 2 is a cross-sectional view of a water storage box of the clean production device of azodicarbonamide of the present utility model;
FIG. 3 is a front view of the apparatus for the clean production of azodicarbonamide of the present utility model;
FIG. 4 is a top view of the apparatus for the clean production of azodicarbonamide of the present utility model.
Legend description:
1. A reaction kettle; 2. sealing cover; 3. a tank bottom; 4. a support frame; 5. a bottom plate; 6. a refrigerating device; 7. a water storage box; 8. a filtering device; 9. a hydraulic pump; 10. a water spray pipe; 11. a motor; 12. a rotating shaft; 13. stirring the leaves; 14. a plate heat exchanger; 15. a water pump; 16. a transport tube; 17. a discharge pipe; 18. a drain pipe; 19. a feed pipe; 20. a water inlet pipe; 21. and a water outlet pipe.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, a clean production apparatus of azodicarbonamide according to an embodiment of the present utility model includes: tank bottom 3 for reaction kettle 1 provides the support, tank bottom 3's upper surface fixedly connected with reation kettle 1 provides the space for the preparation, reation kettle 1's upper surface fixedly connected with sealed lid 2 is used for providing sealedly to reation kettle 1, sealed lid 2's upper surface fixedly connected with motor 11, for stirring leaf 13 rotatory power supply, motor 11's output is connected with stirring leaf 13 through axis of rotation 12, be used for stirring the raw materials, tank bottom 3's upper surface fixedly connected with plate heat exchanger 14, for reation kettle 1 cooling, tank bottom 3's side surface is connected with refrigerating plant 6 through inlet tube 20, for the water source cooling, refrigerating plant 6's surface is provided with the water inlet, tank bottom 3's side surface is connected with retaining box 7 through outlet pipe 21, be used for collecting the water source after the heat transfer, retaining box 7's inside is provided with water pump 15, for transporting the water source power supply, water pump 15's output is provided with transportation pipe 16, be used for transporting the water source, transportation pipe 16 upper end fixedly connected with filter 8, be used for filtering water source after the heat transfer, filter 8's upper surface fixedly connected with hydraulic pump 9, be used for increasing the rivers speed, 9, be provided with water spraying pump 10 for spraying water pump 10.
The external surface of plate heat exchanger 14 and the internal surface fixed connection of reation kettle 1, the inside of plate heat exchanger 14 is provided with the heat exchange tube, heat exchange tube and outlet pipe 21, inlet tube 20 all communicate, the lower surface of tank bottom 3 is provided with drain pipe 18 and discharging pipe 17, drain pipe 18 is used for discharging clean used water, discharging pipe 17 is used for discharging the azodicarbonamide of preparation completion, drain pipe 18 and discharging pipe 17 all are provided with the sealing valve, the upper end of sealed lid 2 is provided with inlet pipe 19, be used for discharging azodicarbonamide raw materials, filter equipment 8's lower surface and the upper surface fixed connection of water storage box 7, the lower surface fixed connection of tank bottom 3 has support frame 4, be used for providing the support for tank bottom 3, the lower surface fixed connection of support frame 4 has bottom plate 5 for supporting whole equipment, the upper surface of bottom plate 5 and refrigerating plant 6's lower surface fixed connection, the lower surface of water storage box 7 and the upper surface fixed connection of bottom plate 5, the surface of reation kettle 1 is provided with the connecting hole, the internal surface of connecting hole and the surface fixed connection of spray pipe 10, the position of refrigerating plant 6 is at the right-hand member 1's of reation kettle 6, the external surface of refrigerating plant 6 and the fixed connection of refrigerating plant 7.
Working principle: in the use, pour raw materials into reation kettle 1 from inlet pipe 19, be connected with axis of rotation 12 through motor 11, axis of rotation 12 is connected with stirring leaf 13, make stirring leaf 13 stir the raw materials, form azodicarbonamide, discharge it through discharging pipe 17 after the preparation is accomplished, need give off the heat in reation kettle 1 in the preparation process, cool down through refrigerating plant 6, transport into plate heat exchanger 14 through inlet tube 20, heat in reation kettle 1 is converted through the mode of changing the temperature, the water source after the heat transfer is transported into retaining box 7 through outlet pipe 21 and is stored, after the equipment is accomplished, need clean stirring leaf 13, start water pump 15 and transport into filter equipment 8 through transportation pipe 16 in the retaining box 7 and filter, then transport into spray pipe 10 through hydraulic pump 9 with the water source after the filtration, spray stirring leaf 13 through spray pipe 10, can start stirring leaf 13 and make the rotation, in order to ensure the clean quality of stirring leaf 13.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.