Tail gas heat utilization device of sludge drying machine
By installing a recycling component and an aluminum heat storage core in the sludge dryer, the suction fan draws the high-temperature exhaust gas into the recycling chamber for heat recovery, solving the problem of unused exhaust gas in traditional devices, improving drying efficiency and reducing energy consumption.
Patent Information
- Application Number
- CN202520121255.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional sludge drying equipment fails to effectively utilize high-temperature exhaust gas, resulting in wasted thermal energy, environmental pollution, and increased energy costs.
A heat utilization device for exhaust gas from a sludge dryer was designed. By setting up a recovery component and an aluminum heat storage core, a suction fan is used to draw high-temperature exhaust gas into the recovery chamber, and the heat energy is recovered and transferred through the heat storage core to achieve secondary heat utilization of the exhaust gas.
It improves sludge drying efficiency, reduces heat energy waste, lowers energy consumption costs, and achieves environmentally friendly heat energy reuse.
Smart Images
Figure CN223805008U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sludge drying technology, specifically to a device for heat utilization of exhaust gas from a sludge dryer. Background Technology
[0002] In the context of increasingly stringent environmental protection requirements, sludge treatment and disposal has become a key link in urban environmental governance. Sludge drying, as an important means of volume reduction, can effectively reduce the difficulty and cost of subsequent sludge treatment. During the sludge drying process, a large amount of high-temperature exhaust gas is emitted, which contains abundant heat energy.
[0003] However, traditional sludge drying equipment has serious shortcomings in exhaust gas treatment. Its main focus is on the basic process of sludge drying, while neglecting the value of exhaust gas waste heat. Due to the lack of targeted heat recovery and secondary utilization components, high-temperature exhaust gas is directly discharged into the atmosphere, which not only wastes a lot of heat energy, but also causes certain thermal pollution to the environment. This is not only inconsistent with the concept of energy conservation and emission reduction, but also increases the overall energy consumption cost of sludge drying. Therefore, there is an urgent need for a sludge drying machine exhaust gas heat utilization device to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a heat utilization device for exhaust gas from a sludge dryer, so as to solve the problem mentioned in the background art that traditional sludge dryers are unable to perform secondary heat utilization of the high-temperature exhaust gas generated during sludge drying.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a sludge drying machine exhaust gas heat utilization device, including a drying box, a recovery chamber provided on the inner wall of the drying box, and a recovery component provided on the bottom surface of the drying box;
[0006] The recycling assembly includes an installation box, which is fixedly connected to the bottom of the drying box. Multiple recycling tubes are fixedly connected to the inner wall of the installation box. Multiple fixing holes are opened on the top surface of the drying box. The surface of the recycling tubes is fixedly connected to the inner wall of the fixing holes. An installation plate is fixedly connected to the inner wall of the installation box. Multiple suction fans are fixedly connected to the inner wall of the installation plate.
[0007] Preferably, a heat storage core is fixedly connected to the inner wall of the recovery chamber, the top surface of the heat storage core has multiple flow holes, the surface of the heat storage core has multiple flow grooves, and the heat storage core is made of aluminum.
[0008] Preferably, a drain pipe is fixedly connected to the bottom surface of the mounting box, and a plug is detachably connected to the bottom surface of the drain pipe by bolts.
[0009] Preferably, the inner wall of the drying box is fixedly connected with an inlet pipe, the inner wall of the drying box is fixedly connected with a discharge pipe, and the right end of the discharge pipe is detachably connected with a plug through bolts.
[0010] Preferably, the top surface of the drying box is fixedly connected with a connecting pipe, and the upper end of the mounting box is provided with a plurality of connecting holes.
[0011] Preferably, the upper end of the mounting box is matched in size with the size of the recovery cavity, and the mounting box is fixedly connected with the inner wall of the recovery cavity.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] Through the recovery assembly, the fan blades of the plurality of air suction fans rotate to suck the high-temperature tail gas generated by drying sludge in the drying box into the inside of the recovery cavity, the high temperature of the tail gas in the inside of the recovery cavity acts on the sludge in the drying box, and the secondary heat utilization of the high-temperature tail gas is realized, the drying efficiency of the sludge drying is improved, the heat storage core made of aluminum is arranged, the high temperature of the tail gas is conveniently stored, the high temperature of the tail gas is better transmitted to the inner wall of the drying box and then acts on the sludge, and the plurality of flow grooves are arranged to facilitate the rapid filling of the high-temperature tail gas to the heat storage core. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a recovery assembly structure schematic view of the utility model;
[0016] Figure 3 It is a recovery assembly sectional structure schematic view of the utility model;
[0017] Figure 4 It is a heat storage core structure schematic view of the utility model;
[0018] Figure 5 It is a drying box partial sectional structure schematic view of the utility model.
[0019] In the drawing: 1, drying box; 2, recovery cavity; 3, recovery assembly; 301, mounting box; 302, recovery pipe; 303, mounting disc; 304, air suction fan; 305, heat storage core; 306, flow hole; 307, flow groove; 308, drain pipe; 309, plug; 310, inlet pipe; 311, discharge pipe; 312, plug; 313, connecting pipe; 314, connecting hole; 315, fixed hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.
[0021] Please refer to Figures 1-5 The dry sludge machine tail gas heat utilization device provided by the present utility model, including drying box 1, the inner wall of drying box 1 is provided with recovery cavity 2, the bottom surface of drying box 1 is provided with recovery assembly 3, recovery assembly 3 includes installation box 301, installation box 301 is fixedly connected to the bottom surface of drying box 1, the inner wall of installation box 301 is fixedly connected with a plurality of recovery pipes 302, a plurality of fixing holes 315 are formed in the top surface of drying box 1, the surface of recovery pipe 302 is fixedly connected with the inner wall of fixing hole 315, the inner wall of installation box 301 is fixedly connected with mounting disc 303, the inner wall of mounting disc 303 is fixedly connected with a plurality of air suction fans 304, through the recovery assembly 3, when the sludge in drying box 1 is dried, a plurality of air suction fans 304 are started, the fan blades of a plurality of air suction fans 304 rotate to suck the high-temperature tail gas generated by the drying of the sludge in drying box 1 into the inside of recovery cavity 2, the high temperature of the tail gas in recovery cavity 2 acts on the sludge in drying box 1, thereby realizing the secondary heat utilization of the high-temperature tail gas and improving the drying efficiency of sludge drying.
[0022] Further, the inner wall of recovery cavity 2 is fixedly connected with heat storage core 305, a plurality of flow holes 306 are formed in the top surface of heat storage core 305, a plurality of flow grooves 307 are formed in the surface of heat storage core 305, heat storage core 305 is made of aluminum, through the aluminum heat storage core 305, the high temperature of the tail gas can be stored and the high temperature of the tail gas can be better transmitted to the inner wall of drying box 1 and then act on the sludge, through the plurality of flow grooves 307, the high temperature of the tail gas can quickly fill heat storage core 305.
[0023] Further, the bottom surface of installation box 301 is fixedly connected with drain pipe 308, the bottom surface of drain pipe 308 is detachably connected with plug 309 through bolts, through the cooperation of drain pipe 308 and plug 309, the water droplets condensed after the tail gas can be easily discharged.
[0024] Further, the inner wall of the drying box 1 is fixedly connected with the feeding pipe 310, the inner wall of the drying box 1 is fixedly connected with the discharging pipe 311, the right end of the discharging pipe 311 is detachably connected with the plug 312 through bolts, the feeding pipe 310 is arranged, so that the sludge raw material is conveniently added into the drying box 1, the discharging pipe 311 and the plug 312 are arranged, so that the dried sludge is conveniently discharged.
[0025] Further, the top surface of the drying box 1 is fixedly connected with the connecting pipe 313, a plurality of connecting holes 314 are formed in the upper end of the mounting box 301, the connecting pipe 313 and the connecting hole 314 are arranged and used in cooperation, so that the inner wall of the recovery cavity 2 is conveniently connected with subsequent exhaust pipes, and then the tail gas in the recovery cavity 2 is reasonably discharged.
[0026] Further, the upper end of the mounting box 301 matches the size of the recovery cavity 2, the mounting box 301 is fixedly connected with the inner wall of the recovery cavity 2, and the mounting box 301 is arranged, so that the high-temperature tail gas conveyed by the plurality of recovery pipes 302 is gathered and uniformly acts on the inside of the recovery cavity 2.
[0027] Working principle: the recovery assembly 3 is arranged, so that when the sludge in the drying box 1 is dried, a plurality of air suction fans 304 are started, the fan blades of the air suction fans 304 rotate to suck the high-temperature tail gas generated by the drying of the sludge in the drying box 1 into the inside of the recovery cavity 2, the high-temperature tail gas in the recovery cavity 2 acts on the sludge in the drying box 1, and then the secondary heat utilization of the high-temperature tail gas is realized, the drying efficiency of the sludge drying is improved, the heat storage core 305 made of aluminum is arranged, so that the high temperature of the tail gas is conveniently stored, and the high temperature of the tail gas is better transmitted to the inner wall of the drying box 1 and then acts on the sludge, and the plurality of flow grooves 307 are arranged, so that the high temperature of the tail gas quickly fills the heat storage core 305.
[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A sludge drier exhaust heat utilization device, comprising a drier box (1), characterized in that: The inner wall of the drying box (1) is provided with a recovery cavity (2), and the bottom surface of the drying box (1) is provided with a recovery assembly (3); The recovery assembly (3) comprises a mounting box (301) fixedly connected to the bottom surface of the drying box (1), a plurality of recovery pipes (302) fixedly connected to the inner wall of the mounting box (301), a plurality of fixing holes (315) formed in the top surface of the drying box (1), the surfaces of the recovery pipes (302) fixedly connected to the inner walls of the fixing holes (315), an installation disc (303) fixedly connected to the inner wall of the mounting box (301), and a plurality of air suction fans (304) fixedly connected to the inner wall of the installation disc (303).
2. The exhaust heat utilization device for sludge drier according to claim 1, characterized in that: The inner wall of the recovery cavity (2) is fixedly connected with a heat storage core (305), the top surface of the heat storage core (305) is provided with a plurality of flow holes (306), the surface of the heat storage core (305) is provided with a plurality of flow grooves (307), and the heat storage core (305) is made of aluminum.
3. The exhaust heat utilization device of a sludge dryer according to claim 1, characterized in that: The bottom surface of the mounting box (301) is fixedly connected with a drain pipe (308), and the bottom surface of the drain pipe (308) is detachably connected with a plug (309) through bolts.
4. The exhaust heat utilization device of a sludge dryer according to claim 1, characterized in that: The inner wall of the drying box (1) is fixedly connected with an inlet pipe (310), the inner wall of the drying box (1) is fixedly connected with a discharge pipe (311), and the right end of the discharge pipe (311) is detachably connected with a plug (312) through bolts.
5. The exhaust heat utilization device of a sludge dryer according to claim 1, characterized in that: The top surface of the drying box (1) is fixedly connected with a connecting pipe (313), and the upper end of the mounting box (301) is provided with a plurality of connecting holes (314).
6. The exhaust heat utilization device of a sludge dryer according to claim 1, characterized in that: The upper end of the mounting box (301) is matched in size with the recovery cavity (2), and the inner wall of the mounting box (301) is fixedly connected with the recovery cavity (2).