Low-temperature drying device for sludge
By designing a low-temperature drying device for sludge including a stirring module, a screening module, a heating module and a waste gas purification module, the problems of insufficient sludge stirring and unpurified exhaust gas in traditional devices are solved, and efficient drying and environmentally friendly emissions are achieved.
Patent Information
- Application Number
- CN202420659434.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-31
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-31
AI Technical Summary
The traditional low-temperature drying device of sludge is not sufficiently agitated and mixed with the sludge, resulting in low evaporation and drying efficiency of moisture, long treatment cycle, affecting the processing capacity of the equipment, and the discharged gas has not been purified, causing pollution to the environment.
A low-temperature drying device for sludge including a stirring module, a sieving module, a heating module and an exhaust gas purification module is designed. The sludge is fully stirred and mixed through the motor, stirring rod and stirring leaves of the stirring module to promote the evaporation and drying process of moisture; initial filtration and separation are achieved through the screen; the sludge is evaporated by the heating module; and the exhaust gas is purified through the exhaust gas purification module.
It improves the drying efficiency of sludge, reduces energy consumption, achieves uniformity of sludge treatment effect, and reduces the impact on the environment through purification treatment, which meets environmental protection requirements.
Smart Images
Figure CN222613160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of environmental protection, in particular to a low-temperature drying device for sludge. Background Art
[0002] Low-temperature sludge drying technology is a method of drying sludge at a relatively low temperature, aiming to reduce processing costs, reduce sludge volume, and improve resource utilization. It uses low-temperature thermal energy to evaporate the water in the sludge, thereby turning the sludge into a dry solid.
[0003] Since the traditional low-temperature drying device for sludge does not stir and mix the sludge sufficiently, the water evaporation and drying efficiency are low, the processing cycle is long, which affects the processing capacity of the equipment, and the exhaust gas is not purified, causing pollution to the environment. Therefore, the technical personnel in this field provide a low-temperature drying device for sludge to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a low-temperature drying device for sludge is proposed. Through the design of a stirring module, a motor, a stirring rod and a stirring blade are used to fully stir and mix the sludge, thereby promoting the evaporation of water in the sludge and the drying process, improving the drying efficiency, reducing energy consumption, and making the sludge treatment effect more uniform. Through the lifting box and the sieve, large particles and impurities are blocked on the sieve through preliminary filtration and separation, and smaller particles of dried sludge can fall into the bottom of the lifting box through the sieve, thereby achieving preliminary filtration and separation of the sludge. Through components such as metal mesh, cloth bag and activated carbon, the gas released during the drying process can be purified, reducing the impact on the environment, achieving gas purification and discharge, and meeting environmental protection requirements.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-temperature drying device for sludge, comprising a box body, a control panel is provided at the center of the front end face of the box body, four supporting legs are arranged in a rectangular shape at the lower end face of the box body, a stirring module is provided at the upper center of the box body, a screening module is provided inside the box body at the upper end of the stirring module, a heating module is provided at the upper center of the rear end face of the box body, an exhaust gas purification module is provided at one side of the center of the upper end face of the box body, a transmission detection module is provided at the rear of one side of the upper end face of the box body and at the upper center of the rear inner wall of the box body, and four discharge plates are arranged in a rectangular shape at the lower center of the box body;
[0006] Through the above technical scheme, through the design of the stirring module, the motor, stirring rod and stirring blades are used to fully stir and mix the sludge, thereby promoting the evaporation of water in the sludge and the drying process, improving the drying efficiency, reducing energy consumption, and the treatment effect on the sludge is more uniform. Through the lifting box and the screen, through preliminary filtration and separation, large particles and impurities are blocked on the screen, and smaller particles of dried sludge can fall to the bottom of the lifting box through the screen, realizing preliminary filtration and separation of the sludge. Through components such as metal mesh, cloth bags and activated carbon, the gas released during the drying process can be purified, reducing the impact on the environment, realizing gas purification and discharge, and meeting environmental protection requirements.
[0007] Furthermore, the stirring module includes two motors, two stirring rods and a plurality of stirring blades, the two motors are arranged horizontally at the center of one side wall of the box body, the two motor output ends respectively penetrate the one side wall of the box body to the inside of the box body, the two stirring rods are respectively arranged on the two motor output ends, and the plurality of stirring blades are respectively arranged in a ring shape on the outer side walls of the two stirring rods;
[0008] Through the above technical solution, when the sludge enters the box through the feed solenoid valve, the motor is started, the stirring rod starts to rotate, driving the stirring blades to rotate. The rotation of the stirring blades fully stirs and mixes the sludge, thereby promoting the evaporation and drying process of water in the sludge.
[0009] Furthermore, the screening module comprises a lifting box and a screening net, wherein the lifting box is arranged at the upper center of the box body, and the screening net is arranged at the lower center of the lifting box;
[0010] Through the above technical solution, when the sludge passes through the feed solenoid valve and enters the interior of the box, it first enters the screening module. In the screening module, the sludge first enters the lifting box, and then passes through the filtering action of the screen. Large particles and impurities are blocked on the screen, while smaller particles of dried sludge fall through the screen to the bottom of the lifting box and enter the stirring module, thereby achieving preliminary filtration and separation of the sludge.
[0011] Furthermore, the heating module includes a heating box, a heater and a heat transfer pipe, wherein the heating box is arranged at the upper center of the rear end face of the box body, the heater is arranged at the center of an inner side wall of the heating box, and the heat transfer pipe is arranged on the output end of the heater, and the output end of the heat transfer pipe sequentially passes through the front inner wall of the heating box and the rear end face of the box body to the inside of the box body;
[0012] Through the above technical solution, during the drying process, the dried sludge needs to be heated to evaporate the moisture therein. The heat is generated by the heater and transferred to the heat transfer pipe. The heat transfer pipe conducts the heat to the inside of the box. After the sludge is heated inside the box and stirred by the stirring module, the moisture gradually evaporates, thereby achieving the drying process of the sludge.
[0013] Furthermore, the exhaust gas purification module includes an air intake box, an exhaust port, a metal mesh, a cloth bag and activated carbon, wherein the air intake box is arranged at one side of the center of the upper end surface of the box body, the exhaust port is arranged at the center of the upper end surface of the air intake box, and the metal mesh, the cloth bag and the activated carbon are arranged in an upper and lower arrangement at the inner center of the air intake box;
[0014] Through the above technical scheme, during the drying process, the gas released by the dried sludge needs to be purified to reduce the impact on the environment. The polluted gas passes through the air intake box from the inside of the box, and is initially filtered through a metal mesh to remove large particles. Then, it is filtered through a bag to capture fine particles. Finally, it is treated with activated carbon adsorption to remove odors and harmful substances in the gas, thereby achieving gas purification and discharge.
[0015] Furthermore, the transmission detection module includes a temperature detector, a concentration detector, a humidity detector, a transmission module and a buzzer. The temperature detector, the concentration detector and the humidity detector are arranged laterally and arranged at the upper center of the rear inner wall of the box body, respectively. The transmission module is arranged at the rear of one side of the upper end surface of the box body, and the buzzer is arranged at the center of the upper end surface of the transmission module.
[0016] Through the above technical solution, during the drying process, the temperature, concentration and humidity data of the drying process are monitored in real time by the temperature detector, concentration detector and humidity detector. These data are transmitted to the monitoring system or the operator's terminal device through the transmission module for real-time monitoring. When the monitoring data exceeds the set range, the buzzer will send an alarm signal to remind the operator to deal with it in time.
[0017] Furthermore, one end of the four discharge plates is fixedly connected to a discharge solenoid valve, and the output end of the discharge solenoid valve passes through the lower inner wall of the box body and reaches the lower end of the box body;
[0018] Through the above technical solution, when it is necessary to discharge the treated sludge, the discharge solenoid valve will open, allowing the waste to be discharged from the box smoothly through the discharge plate.
[0019] Furthermore, a feed solenoid valve is provided at the center of the upper end surface of the box body, and an input end of the feed solenoid valve passes through the upper end surface of the box body and leads to the interior of the box body;
[0020] Through the above technical solution, the material entry and stop can be controlled by opening or closing as needed.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the low-temperature drying device for sludge is designed with a stirring module, and the sludge is fully stirred and mixed by using a motor, a stirring rod and a stirring blade, thereby promoting the evaporation of water in the sludge and the drying process, improving the drying efficiency, reducing energy consumption, and achieving a more uniform treatment effect on the sludge.
[0023] 2. In the utility model, through the lifting box and the sieve, through preliminary filtration and separation, large particles and impurities are blocked on the sieve, and smaller particles of dried sludge can fall into the bottom of the lifting box through the sieve, thereby achieving preliminary filtration and separation of the sludge.
[0024] 3. In the utility model, the gas released during the drying process can be purified through components such as metal mesh, cloth bags and activated carbon, reducing the impact on the environment, achieving gas purification and discharge, and meeting environmental protection requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a three-dimensional diagram of a low-temperature sludge drying device proposed by the utility model;
[0026] Figure 2 This is a front cross-sectional view of a low-temperature sludge drying device proposed by the utility model;
[0027] Figure 3 This is a side sectional view of a low-temperature sludge drying device proposed by the utility model;
[0028] Figure 4 for Figure 3 A magnified schematic diagram of center A.
[0029] Legend:
[0030] 1. Box body; 2. Control panel; 3. Support legs; 4. Feed solenoid valve; 5. Stirring module; 501. Motor; 502. Stirring rod; 503. Stirring blade; 6. Heating module; 601. Heating box; 602. Heater; 603. Heat transfer pipe; 7. Exhaust gas purification module; 701. Air inlet box; 702. Exhaust port; 703. Metal mesh; 704. Cloth bag; 705. Activated carbon; 8. Screening module; 801. Lifting box; 802. Screening net; 9. Transmission detection module; 901. Temperature detector; 902. Concentration detector; 903. Humidity detector; 904. Transmission module; 905. Buzzer; 10. Discharge plate; 11. Discharge solenoid valve. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] Reference Figure 1-4 The utility model provides an embodiment: a low-temperature drying device for sludge, including a box body 1, a control panel 2 is provided at the center of the front end surface of the box body 1, which is used to control the operating parameters and operating status of the entire drying device, and realize the monitoring and adjustment of the drying process. The lower end surface of the box body 1 is arranged in a rectangular shape and has four supporting legs 3, which firmly support the entire device and ensure the stability and safety of the equipment during operation. A stirring module 5 is provided at the upper center of the box body 1, which is responsible for stirring and turning the sludge to promote heat transfer and water evaporation during the drying process. A screening module 8 is provided inside the box body 1 at the upper end of the stirring module 5. , used to screen the incoming sludge to ensure the quality and uniformity of the output sludge. A heating module 6 is provided at the upper center of the rear end surface of the box body 1 to provide a heat source to heat the sludge to promote the drying process and reduce humidity. An exhaust gas purification module 7 is provided at one side of the center of the upper end surface of the box body 1 to treat the exhaust gas generated during the drying process, purify the emission and protect the environment. A transmission detection module 9 is provided at the rear of one side of the upper end surface of the box body 1 and at the upper center of the rear inner wall of the box body 1. Four discharge plates 10 are arranged in a rectangular shape at the lower center of the interior of the box body 1 to discharge the dried material from the box body 1 to complete the entire drying process.
[0033] The stirring module 5 includes two motors 501, two stirring rods 502 and multiple stirring blades 503. The two motors 501 are arranged horizontally at the upper center of one side wall of the box body 1. The output ends of the two motors 501 pass through the one side wall of the box body 1 to the inside of the box body 1. The two stirring rods 502 are respectively arranged on the output ends of the two motors 501. The multiple stirring blades 503 are respectively arranged in a ring shape on the outer walls of the two stirring rods 502. When the sludge enters the inside of the box body 1 through the feed solenoid valve 4, the motor 501 is started, and the stirring rod 502 starts to rotate, driving the stirring blades 503 to rotate. The rotation of the stirring blades 503 fully stirs and mixes the sludge, thereby promoting the evaporation and drying process of water in the sludge.
[0034] The screening module 8 includes a lifting box 801 and a screening net 802. The lifting box 801 is arranged at the upper center of the box body 1, and the screening net 802 is arranged at the lower center of the lifting box 801. When the sludge passes through the feed solenoid valve 4 and enters the box body 1, it first enters the screening module 8. In the screening module 8, the sludge first enters the lifting box 801, and then passes through the filtering action of the screening net 802. Large particles and impurities are blocked on the screening net 802, while smaller particles of dried sludge fall into the bottom of the lifting box 801 through the screening net 802 and enter the stirring module 5, thereby realizing the preliminary filtration and separation of the sludge.
[0035] The heating module 6 includes a heating box 601, a heater 602 and a heat transfer pipe 603. The heating box 601 is arranged at the upper center of the rear end surface of the box body 1, the heater 602 is arranged at the center of an inner wall of the heating box 601, and the heat transfer pipe 603 is arranged on the output end of the heater 602. The output end of the heat transfer pipe 603 passes through the front inner wall of the heating box 601 and the rear end surface of the box body 1 in sequence to the inside of the box body 1. During the drying process, the dried sludge needs to be heated to evaporate the moisture therein. The heat is generated by the heater 602 and the heat is transferred to the heat transfer pipe 603. The heat transfer pipe 603 conducts the heat to the inside of the box body 1. After the sludge is heated inside the box body 1 and stirred by the stirring module 5, the moisture gradually evaporates, thereby realizing the drying process of the sludge.
[0036] The exhaust gas purification module 7 includes an air intake box 701, an exhaust port 702, a metal mesh 703, a cloth bag 704 and activated carbon 705. The air intake box 701 is arranged at one side of the center of the upper end surface of the box body 1, and the exhaust port 702 is arranged at the center of the upper end surface of the air intake box 701. The metal mesh 703, the cloth bag 704 and the activated carbon 705 are arranged in an upper and lower arrangement at the center of the inside of the air intake box 701. During the drying process, the gas released by the dried sludge needs to be purified to reduce the impact on the environment. The polluted gas passes through the air intake box 701 from the inside of the box body 1, and is initially filtered by the metal mesh 703 to remove large particles. Then, the fine particles are filtered by the cloth bag 704, and finally, the gas is adsorbed by the activated carbon 705 to remove odor and harmful substances in the gas, thereby achieving gas purification and discharge.
[0037] The transmission detection module 9 includes a temperature detector 901, a concentration detector 902, a humidity detector 903, a transmission module 904 and a buzzer 905. The temperature detector 901, the concentration detector 902 and the humidity detector 903 are respectively arranged horizontally at the upper center of the rear inner wall of the box body 1, the transmission module 904 is arranged at the rear of one side of the upper end surface of the box body 1, and the buzzer 905 is arranged at the center of the upper end surface of the transmission module 904. During the drying process, the temperature, concentration and humidity data of the drying process are monitored in real time by the temperature detector 901, the concentration detector 902 and the humidity detector 903. These data are transmitted to the monitoring system or the operator's terminal device through the transmission module 904 for real-time monitoring. When the monitoring data exceeds the set range, the buzzer 905 will send an alarm signal to remind the operator to deal with it in time.
[0038] One end of the four discharge plates 10 is fixedly connected with a discharge solenoid valve 11, and the output end of the discharge solenoid valve 11 passes through the lower inner wall of the box body 1 to the lower end of the box body 1. When the sludge needs to be discharged, the discharge solenoid valve 11 will open, so that the waste can be discharged from the box body 1 smoothly through the discharge plate 10. A feed solenoid valve 4 is provided at the center of the upper end surface of the box body 1. The input end of the feed solenoid valve 4 passes through the upper end surface of the box body 1 to the inside of the box body 1, and is opened or closed as needed to control the entry and stop of materials.
[0039] Working principle: When the sludge passes through the feed solenoid valve 4 and enters the interior of the box 1, it first enters the screening module 8. In the screening module 8, the sludge first enters the lifting box 801, and then passes through the sieve 802 for filtering. Large particles and impurities are blocked on the sieve 802, while smaller particles of dried sludge pass through the sieve 802 and fall into the bottom of the lifting box 801 and enter the stirring module 5, thereby achieving preliminary filtration and separation of the sludge. After entering the interior of the box 1, the motor 501 is started, and the stirring rod 502 starts The rotation drives the stirring blade 503 to rotate. The rotation of the stirring blade 503 fully stirs and mixes the sludge, thereby promoting the evaporation of water in the sludge and the drying process. During the drying process, the dried sludge needs to be heated to evaporate the water therein. Heat is generated by the heater 602 and the heat is transferred to the heat transfer pipe 603. The heat transfer pipe 603 conducts the heat to the inside of the box 1. After the sludge is heated inside the box 1 and stirred by the stirring module 5, the water gradually evaporates, thereby achieving the drying process of the sludge.
[0040] During the drying process, the gas released by the dried sludge needs to be purified to reduce the impact on the environment. The polluted gas passes through the air inlet box 701 from the inside of the box 1, is initially filtered by the metal mesh 703 to remove large particles, and then is filtered by the bag 704 to capture fine particles. Finally, it is adsorbed by the activated carbon 705 to remove odor and harmful substances in the gas, thereby achieving gas purification and discharge. During the drying process, the temperature, concentration and humidity data of the drying process are monitored in real time by the temperature detector 901, the concentration detector 902 and the humidity detector 903. These data are transmitted to the monitoring system or the operator's terminal device through the transmission module 904 for real-time monitoring. When the monitoring data exceeds the set range, the buzzer 905 will send an alarm signal to remind the operator to deal with it in time. When the sludge needs to be discharged, the discharge solenoid valve 11 will open to allow the waste to be discharged from the box 1 smoothly through the discharge plate 10.
[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A low temperature drying device for sludge, comprising a housing (1), characterized in that: A control panel (2) is provided at the center of the front end face of the box body (1); four supporting legs (3) are arranged in a rectangular shape at the lower end face of the box body (1); a stirring module (5) is provided at the upper center of the box body (1); a screening module (8) is provided inside the box body (1) above the stirring module (5); a heating module (6) is provided at the upper center of the rear end face of the box body (1); an exhaust gas purification module (7) is provided at one side of the center of the upper end face of the box body (1); a transmission detection module (9) is provided at the rear side of the upper end face of the box body (1) and at the upper center of the rear inner wall of the box body (1); and four discharge plates (10) are arranged in a rectangular shape at the lower center of the box body (1).
2. A low temperature drying device for sludge according to claim 1, characterized in that: The stirring module (5) comprises two motors (501), two stirring rods (502) and a plurality of stirring blades (503); the two motors (501) are arranged transversely and respectively at the center of a side wall of the box body (1); the output ends of the two motors (501) respectively penetrate the side wall of the box body (1) and pass into the interior of the box body (1); the two stirring rods (502) are respectively arranged on the output ends of the two motors (501); and the plurality of stirring blades (503) are respectively arranged in a ring shape and respectively on the outer side walls of the two stirring rods (502).
3. The low-temperature drying device for sludge according to claim 1, characterized in that: The screening module (8) comprises a lifting box (801) and a screening net (802); the lifting box (801) is arranged at the upper center of the interior of the box body (1); and the screening net (802) is arranged at the lower center of the interior of the lifting box (801).
4. The low-temperature drying device for sludge according to claim 1, characterized in that: The heating module (6) comprises a heating box (601), a heater (602) and a heat transfer pipe (603); the heating box (601) is arranged at the upper center of the rear end surface of the box body (1); the heater (602) is arranged at the center of an inner wall of the heating box (601); the heat transfer pipe (603) is arranged on the output end of the heater (602); the output end of the heat transfer pipe (603) passes through the front inner wall of the heating box (601) and the rear end surface of the box body (1) in sequence and passes into the interior of the box body (1).
5. The low-temperature drying device for sludge according to claim 1, characterized in that: The exhaust gas purification module (7) comprises an air intake box (701), an exhaust port (702), a metal mesh (703), a cloth bag (704) and activated carbon (705); the air intake box (701) is arranged at one side of the center of the upper end surface of the box body (1); the exhaust port (702) is arranged at the center of the upper end surface of the air intake box (701); and the metal mesh (703), the cloth bag (704) and the activated carbon (705) are arranged in an upper and lower manner at the center of the interior of the air intake box (701).
6. The low-temperature drying device for sludge according to claim 1, characterized in that: The transmission detection module (9) comprises a temperature detector (901), a concentration detector (902), a humidity detector (903), a transmission module (904) and a buzzer (905); the temperature detector (901), the concentration detector (902) and the humidity detector (903) are respectively arranged transversely at the upper center of the rear inner wall of the box body (1); the transmission module (904) is arranged at the rear of one side of the upper end surface of the box body (1); and the buzzer (905) is arranged at the center of the upper end surface of the transmission module (904).
7. The low-temperature drying device for sludge according to claim 1, characterized in that: One end of the four discharge plates (10) is fixedly connected to a discharge solenoid valve (11), and the output end of the discharge solenoid valve (11) passes through the lower inner wall of the box body (1) and reaches the lower end of the box body (1).
8. The low-temperature drying device for sludge according to claim 1, characterized in that: A feed solenoid valve (4) is provided at the center of the upper end surface of the box body (1), and an input end of the feed solenoid valve (4) passes through the upper end surface of the box body (1) and leads to the interior of the box body (1).