Sludge drying device based on multistage heat utilization
The sludge drying device, which utilizes multi-stage heat utilization and exhaust gas treatment, solves the problems of heat energy waste and poor exhaust gas treatment in traditional sludge drying, achieving uniformity and high efficiency in sludge drying, and reducing environmental pollution and energy consumption.
Patent Information
- Application Number
- CN202520225246.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional sludge drying technology suffers from problems such as insufficient utilization of thermal energy, serious heat waste, uneven sludge drying, and poor exhaust gas treatment.
The sludge drying device adopts multi-stage heat utilization, improves heat exchange efficiency through guide plates and tilting paddles, recovers heat from exhaust gas using heat-conducting rings and heat-conducting pipes, and treats exhaust gas with exhaust gas treatment box and deodorizer, so as to realize the recycling of heat and purification of exhaust gas.
It improves the uniformity and efficiency of sludge drying, reduces energy waste, lowers environmental pollution, and achieves efficient sludge drying and exhaust gas treatment.
Smart Images
Figure CN223674493U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to environmental engineering technical field especially, it is a kind of sludge drying device based on multistage heat utilization. BACKGROUND
[0002] In the field of environmental engineering, sludge treatment has always been an important problem, with the rapid development of industrialization and urbanization, the amount of sewage continues to grow, and the amount of sludge generated during sewage treatment also increases day by day, and the sludge without proper treatment can cause serious pollution to soil, water and air, and threaten the ecological environment and human health. As a key link of sludge treatment, the technology of sludge drying directly affects the effect and cost of subsequent sludge treatment. At present, the traditional sludge drying technology has many drawbacks, which also promotes the research and development of sludge drying device based on multistage heat utilization.
[0003] On the one hand, many traditional sludge drying equipment only relies on single heat source for heating in the drying process, and the utilization of heat is not sufficient, a large amount of heat energy is wasted in the drying process, and is not effectively recycled and reused, resulting in huge energy consumption and high operating cost, which not only increases the economic burden of enterprises, but also does not meet the current energy-saving and emission-reducing environmental protection concept; on the other hand, the traditional device may have defects in design, so that the sludge is not uniformly heated in the drying process, and part of the sludge may be carbonized due to local overheating, affecting its subsequent treatment and utilization; and part of the sludge may not be dried enough, with too high water content, which cannot meet the requirements of subsequent treatment; in addition, a large amount of tail gas containing dust, peculiar smell gas and harmful pollutants will be generated in the sludge drying process, and the traditional tail gas treatment method is often single, and the treatment effect is poor, so that the tail gas cannot meet the strict environmental protection emission standard.
[0004] Therefore, the utility model aims at providing a sludge drying device based on multistage heat utilization to solve the problems existing in the prior art. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a sludge drying device based on multistage heat utilization, which aims at improving the problem that heat energy is not effectively recycled and reused in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sludge drying device based on multistage heat utilization, comprising a main body table, a plurality of supporting legs are fixedly installed at the bottom of the main body table, a sludge drying mechanism is installed on one side of the upper part of the main body table, which is used for drying treatment of sludge, an exhaust gas treatment mechanism is installed on one side of the upper part of the sludge drying mechanism, which is used for purification treatment of exhaust gas discharged by dried sludge, a base is installed on the other side of the upper part of the main body table, and a material tank is installed on the upper part of the base.
[0007] The sludge drying mechanism includes a sludge drying box fixedly installed on one side of the upper part of the main body table, an inlet hopper is installed on the upper part of the sludge drying box, hot air machines are installed on the two sides of the outer part of the sludge drying box, the output ends of the two hot air machines are connected with the inner part of the sludge drying box, and hot air outlets are installed at the output ends of the two sludge drying boxes.
[0008] Further description of the above technical solution:
[0009] A plurality of guide plates are installed in the inner part of the sludge drying box, a fixed groove is installed on one side of the outer part of the sludge drying box, a motor is fixedly installed on one side in the inner part of the fixed groove, a turnover paddle is fixedly connected to the output end of the motor, a filter screen is installed on the inner side of the bottom of the sludge drying box, and a discharge pipe is installed on the outer side of the bottom of the sludge drying box.
[0010] Further description of the above technical solution:
[0011] The hot air outlet is arranged in a shape of being large in front and small at back.
[0012] Further description of the above technical solution:
[0013] The plurality of guide plates are in an arc shape.
[0014] Further description of the above technical solution:
[0015] The tail gas treatment mechanism includes a tail gas discharge pipe installed on the upper part of the sludge drying box, a heat conduction ring is installed on the outer wall of the tail gas discharge pipe, a heat conduction pipe is installed on one side of the heat conduction ring, the other end of the heat conduction pipe is connected with a material tank, a fixing seat is installed on one side of the upper part of the sludge drying box, a tail gas treatment box is installed on the upper part of the fixing seat, water tanks are installed on the two sides of the outer part of the tail gas treatment box, a circulating pipeline is installed around the outer part of the tail gas treatment box, and the two ends of the circulating pipeline are respectively connected with the inner parts of the two water tanks.
[0016] Further description of the above technical solution:
[0017] A deodorant box is installed on the upper part of the tail gas treatment box, an electric rotating rod one is rotatably installed on one side of the bottom of the deodorant box, a baffle one is fixedly installed on one side of the electric rotating rod one, a storage box is installed in the inner part of the tail gas treatment box, an electric rotating rod two is rotatably installed on one side of the bottom of the storage box, and a baffle two is fixedly installed on one side of the electric rotating rod two.
[0018] Further description of the above technical solution:
[0019] Ventilation holes are arranged on the two sides of the storage box.
[0020] As a further description of the above technical solutions:
[0021] The drawer is slidably installed at the bottom of the tail gas treatment box, a handle is installed on one side of the outer portion of the drawer, and a gas outlet is installed on one side of the outer portion of the tail gas treatment box.
[0022] The sludge drying device has the following beneficial effects:
[0023] 1. In the sludge drying device, the multiple arc-shaped flow guides can change the flow path of the hot air, so that the hot air and the sludge are more fully contacted, the heat exchange efficiency is further improved, the sludge is continuously stirred by the rotation of the overturning paddle driven by the motor, the sludge accumulation is prevented, the sludge is more evenly heated, the local overheating or insufficient drying condition is avoided, and the drying effect is improved.
[0024] 2. In the sludge drying device, the heat of the tail gas can be collected by the heat-conducting ring on the outer wall of the tail gas discharge pipe, and the heat is transferred to the material tank through the heat-conducting pipe, so that the material is pretreated, the heat recovery and utilization are realized, the energy utilization rate is improved, and the energy waste is reduced.
[0025] 3. In the sludge drying device, the water circulating in the water tank can preliminarily cool the tail gas, the temperature of the tail gas is reduced, the deodorant falls into the tail gas treatment box to remove the peculiar smell in the tail gas, and the tail gas can pass through the storage tank better through the ventilation holes arranged on the two sides of the storage tank, so that the pollution to the environment is reduced, and the comprehensive utilization efficiency of energy is improved. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A main view of a sludge drying device based on multi-stage heat utilization is provided for the utility model;
[0027] Figure 2 A sludge drying mechanism internal schematic view of a sludge drying device based on multi-stage heat utilization is provided for the utility model;
[0028] Figure 3 An external schematic view of a tail gas treatment mechanism of a sludge drying device based on multi-stage heat utilization is provided for the utility model;
[0029] Figure 4 An internal schematic view of a tail gas treatment mechanism of a sludge drying device based on multi-stage heat utilization is provided for the utility model.
[0030] LEGEND:
[0031] 1, main body table; 2, support leg; 3, sludge drying mechanism; 301, sludge drying box; 302, feed hopper; 303, hot air machine; 304, hot air port; 305, guide plate; 306, fixed groove; 307, motor; 308, turnover paddle; 309, filter screen; 310, discharge pipe; 4, tail gas treatment mechanism; 401, tail gas discharge pipe; 402, heat conducting ring; 403, heat conducting pipe; 404, fixed seat; 405, tail gas treatment box; 406, water tank; 407, circulating pipeline; 408, deodorant tank; 409, baffle one; 410, electric rotating rod one; 411, storage tank; 412, baffle two; 413, electric rotating rod two; 414, drawer; 415, handle; 416, air outlet; 5, base; 6, material tank. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0033] Reference Figures 1-4 An embodiment provided by the present application: a sludge drying device based on multi-stage heat utilization, comprising a main body table 1, a plurality of support legs 2 are fixedly installed at the bottom of the main body table 1, a sludge drying mechanism 3 is installed at one side of the upper part of the main body table 1, which is used for drying treatment of sludge, a tail gas treatment mechanism 4 is installed at one side of the upper part of the sludge drying mechanism 3, which is used for purification treatment of tail gas discharged by dried sludge, a base 5 is installed at the other side of the upper part of the main body table 1, and a material tank 6 is installed at the upper part of the base 5;
[0034] The sludge drying mechanism 3 comprises a sludge drying box 301 fixedly installed at one side of the upper part of the main body table 1, a feed hopper 302 installed at the upper part of the sludge drying box 301, hot air machines 303 installed at both sides of the outer part of the sludge drying box 301, output ends of the two hot air machines 303 connected with the inside of the sludge drying box 301, and hot air ports 304 installed at the output ends of the two sludge drying boxes 301.
[0035] The hot air port 304 is arranged in a shape of large in front and small at back;
[0036] Specifically, the sludge is poured into the sludge drying box 301 through the feed hopper 302, the hot air machines 303 are responsible for providing heat for sludge drying, and the hot air port 304 is arranged in a shape of large in front and small at back, which is beneficial to more uniform distribution of hot air in the box.
[0037] A plurality of guide plates 305 are installed inside the sludge drying box 301, a fixed groove 306 is installed on one side of the outside of the sludge drying box 301, a motor 307 is fixedly installed on one side of the inside of the fixed groove 306, a turnover paddle 308 is fixedly connected to the output end of the motor 307, a filter screen 309 is installed on the inside bottom of the sludge drying box 301, and a discharge pipe 310 is installed on the outside bottom of the sludge drying box 301;
[0038] The plurality of guide plates 305 are arc-shaped;
[0039] Specifically, the plurality of guide plates 305 change the direction of heat, so that the hot air and the sludge are more fully contacted, further improving the heat exchange efficiency, the motor 307 drives the turnover paddle 308 to turn over the sludge, and the hot air is used to dry the sludge, thereby accelerating the drying speed, the filter screen 309 is used to filter the sludge, and the discharge pipe 310 is used to discharge the dried sludge.
[0040] The tail gas treatment mechanism 4 comprises a tail gas discharge pipe 401 installed on the upper part of the sludge drying box 301, a heat conducting ring 402 installed on the outer wall of the tail gas discharge pipe 401, a heat conducting pipe 403 installed on one side of the heat conducting ring 402, the other end of the heat conducting pipe 403 connected with the material tank 6, a fixed seat 404 installed on one side of the upper part of the sludge drying box 301, a tail gas treatment box 405 installed on the upper part of the fixed seat 404, water tanks 406 installed on both sides of the outside of the tail gas treatment box 405, and a circulating pipeline 407 installed around the outside of the tail gas treatment box 405, both ends of the circulating pipeline 407 connected with the inside of the two water tanks 406, respectively;
[0041] Specifically, the heat conducting ring 402 is responsible for absorbing the heat of the tail gas discharge pipe 401, and then transferring the heat to the heat conducting pipe 403, and the heat conducting pipe 403 transfers the heat to the material tank 6, so as to pretreat the material, the tail gas treatment box 405 is responsible for purifying the discharged tail gas, and the water tank 406 and the circulating pipeline 407 are used for cooling the tail gas.
[0042] A deodorant tank 408 is installed on the upper part of the tail gas treatment box 405, an electric rotating rod one 410 is rotatably installed on one side of the bottom of the deodorant tank 408, a baffle one 409 is fixedly installed on one side of the electric rotating rod one 410, a storage tank 411 is installed in the tail gas treatment box 405, an electric rotating rod two 413 is rotatably installed on one side of the bottom of the storage tank 411, and a baffle two 412 is fixedly installed on one side of the electric rotating rod two 413;
[0043] Ventilation holes are arranged on both sides of the storage tank 411;
[0044] Specific, deodorant from deodorant tank 408 through the electric rotating rod 410 driven baffle 409 rotation, thereby falling into the storage tank 411, storage tank 411 both sides of the ventilation settings, benefit exhaust gas through, deodorization treatment, then through the storage tank 411 bottom electric rotating rod 413 driven baffle 412 rotation, let used deodorant into the bottom drawer 414.
[0045] The bottom of the exhaust gas treatment tank 405 is slidably installed with a drawer 414, the outer side of the drawer 414 is provided with a handle 415, and the outer side of the exhaust gas treatment tank 405 is provided with an air outlet 416.
[0046] Specifically, the operator can pull out the drawer 414 through the handle 415 to take out the used deodorant, and finally the treated exhaust gas is discharged from the air outlet 416.
[0047] Working principle: the utility model discloses in use, specifically including the following steps:
[0048] First, the sludge to be dried is poured into the sludge drying box 301 from the feed hopper 302, then the hot air machine 303 is started, and hot air is sent into the sludge drying box 301 through the hot air port 304 to provide heat for sludge drying, and at the same time, the hot air port 304 is arranged in a shape of large front and small back, which is beneficial to the more uniform distribution of hot air in the box, so that the sludge can be fully heated and the drying speed is accelerated.
[0049] Through the plurality of arc-shaped guide plates 305 installed in the sludge drying box 301, the flow path of the hot air can be changed, the contact between the hot air and the sludge is more sufficient, and the heat exchange efficiency is further improved, and at the same time, the motor 307 in the fixed groove 306 drives the turnover paddle 308 to rotate, so that the sludge is constantly turned over, the sludge is prevented from accumulating, the sludge is heated more uniformly, the local overheating or insufficient drying condition is avoided, and the drying effect is improved.
[0050] Then the exhaust gas enters into the exhaust gas treatment box 405, the water tank 406 on the outside of both sides is connected through the circulating pipeline 407, and the exhaust gas can be preliminarily cooled through the circulating water, so that the temperature of the exhaust gas is reduced, subsequent processing is facilitated, and the release amount of the deodorant can be controlled through the electric rotating rod one 410 at the bottom of the deodorant tank 408 driving the baffle one 409 to rotate. When the baffle one 409 is opened, the deodorant falls into the exhaust gas treatment box 405, and the peculiar smell in the exhaust gas is removed. At the same time, the exhaust gas can pass through the storage tank 411 better through the air vents arranged on both sides of the storage tank 411. When the deodorant needs to be replaced, the baffle two 412 can be rotated through the electric rotating rod two 413 at the bottom of the storage tank 411 driving the baffle two 412, so that the used deodorant falls into the drawer 414 at the bottom. The drawer 414 can be pulled out by the handle 415, and the used deodorant can be taken out.
[0051] Finally, the treated exhaust gas is discharged from the gas outlet 416 to reach the environmental protection emission standard, and the dried sludge is filtered through the filter screen 309. The filtered sludge is discharged from the discharge pipe 310 at the bottom of the sludge drying box 301, and the unfiltered sludge continues to be dried and stirred. In the whole working process, through multi-stage heat utilization and exhaust gas treatment, not only is the sludge dried efficiently, but also the pollution to the environment is reduced, the comprehensive utilization efficiency of energy is improved, and good economic and environmental benefits are obtained.
[0052] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A sludge dewatering device based on multi-stage heat utilization, characterized by: The utility model provides a sludge drying device, including the main body platform (1), the bottom of main body platform (1) is fixedly installed with a plurality of support legs (2), one side of the upper portion of main body platform (1) is installed with sludge drying mechanism (3), it is used to carry out drying treatment to sludge, one side upper portion of sludge drying mechanism (3) is installed with tail gas treatment mechanism (4), it is used to carry out purification treatment to the tail gas of drying sludge discharge, the upper portion of main body platform (1) is installed with base (5) on the other side, the upper portion of base (5) is installed with material tank (6); The sludge drying mechanism (3) includes a sludge drying box (301) fixedly installed on one side of the upper portion of the main body platform (1), an inlet hopper (302) installed on the upper portion of the sludge drying box (301), and hot air machines (303) installed on both sides of the outer portion of the sludge drying box (301), with the outputs of the two hot air machines (303) connected to the inner portion of the sludge drying box (301), and hot air outlets (304) installed at the outputs of the two sludge drying boxes (301).
2. A sludge dewatering device based on multi-stage heat utilization according to claim 1, characterized in that: A plurality of guide plates (305) are installed in the inner portion of the sludge drying box (301), a fixed groove (306) is installed on one side of the outer portion of the sludge drying box (301), a motor (307) is fixedly installed on one side in the inner portion of the fixed groove (306), a turnover paddle (308) is fixedly connected to the output of the motor (307), a filter screen (309) is installed on the inner side of the bottom of the sludge drying box (301), and a discharge pipe (310) is installed on the outer side of the bottom of the sludge drying box (301).
3. A multi-stage heat utilization based sludge drying device according to claim 1, characterized in that: The hot air outlet (304) is in a shape of being larger in front and smaller at back.
4. A multi-stage heat utilization based sludge drying apparatus as claimed in claim 2, wherein: The plurality of guide plates (305) are in an arc shape.
5. A multi-stage heat utilization based sludge drying apparatus as claimed in claim 1, wherein: The tail gas treatment mechanism (4) includes a tail gas discharge pipe (401) installed on the upper portion of the sludge drying box (301), a heat conduction ring (402) installed on the outer wall of the tail gas discharge pipe (401), a heat conduction pipe (403) installed on one side of the heat conduction ring (402), the other end of the heat conduction pipe (403) connected to the material tank (6), a fixed seat (404) installed on one side of the upper portion of the sludge drying box (301), a tail gas treatment box (405) installed on the upper portion of the fixed seat (404), water tanks (406) installed on both sides of the outer portion of the tail gas treatment box (405), a circulation pipe (407) installed around the outer portion of the tail gas treatment box (405), and the two ends of the circulation pipe (407) connected to the inner portions of the two water tanks (406) respectively.
6. A multi-stage heat utilization based sludge drying apparatus as claimed in claim 5, wherein: A deodorant box (408) is installed on the upper portion of the tail gas treatment box (405), a motorized turning rod one (410) rotatably installed on one side of the bottom of the deodorant box (408), a baffle one (409) fixedly installed on one side of the motorized turning rod one (410), a storage box (411) installed in the inner portion of the tail gas treatment box (405), a motorized turning rod two (413) rotatably installed on one side of the bottom of the storage box (411), and a baffle two (412) fixedly installed on one side of the motorized turning rod two (413).
7. A multi-stage heat utilization based sludge drying apparatus as claimed in claim 6, wherein: Ventilation holes are provided on both sides of the storage box (411).
8. A multi-stage heat utilization based sludge drying apparatus as claimed in claim 6, wherein: The bottom of the tail gas treatment box (405) is slidably installed with a drawer (414), one side of the outer portion of the drawer (414) is installed with a handle (415), and one side of the outer portion of the tail gas treatment box (405) is installed with an air outlet (416).