Organic solid waste compost heat recovery device
By designing a heat recovery device for organic solid waste composting, the problems of insulated fermentation tanks and waste gas treatment were solved, achieving stable control of fermentation temperature and heat recovery, improving fermentation efficiency and reducing environmental pollution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-24
AI Technical Summary
Existing fermenters cannot effectively maintain heat, recover heat, and treat waste gas generated during fermentation, resulting in poor microbial growth and loss of nitrogen through volatilization.
An organic solid waste composting heat recovery device was designed, including a fermentation tank, an exhaust assembly, and an air inlet assembly. The device utilizes a heat exchanger to recover heat and an adsorption box to adsorb odor factors. By controlling the temperature and stirring the mixture, the fermentation temperature is maintained at 55-60 degrees Celsius.
Stable control of fermentation temperature was achieved, fermentation efficiency was improved, nitrogen volatilization was reduced, and environmental pollution was reduced.
Smart Images
Figure CN224030904U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a compost heat recycling system, in particular to an organic solid waste compost heat recovery device. TECHNICAL BACKGROUND
[0002] The current compost fermentation tank is equipped with a blower, an exhaust fan, a blowing pipe, a wind valve, an exhaust port and an exhaust pipe, etc., and the outdoor air is pressurized by the fan and then sent to the fermentation tank to achieve the purpose of oxygen supply or cooling. The ammonia gas, methane and other waste gas generated during the fermentation process are usually directly discharged into the atmosphere through the exhaust port and the exhaust pipe, causing air pollution. Composting is essentially a biochemical process of converting organic matter to stable humus through microbial activity. Composting practice shows that the composting temperature directly affects the survival activities of organisms and the speed and quality of composting. 55-60 degrees is the best composting temperature, at which the metabolism of microorganisms is active and the degradation speed is fast. When the composting temperature is higher than 70 degrees, it is not conducive to the growth of microorganisms, and may cause nitrogen element volatilization loss and reduce the fertilizer efficiency.
[0003] During the fermentation process of organic matter, it is necessary to cool the fermentation tank in time, the waste gas generated during fermentation needs to be treated, and the excess heat of fermentation has the value of heat recovery. The existing compost fermentation tank cannot be insulated, heat recovered, and waste gas treated.
[0004] Therefore, it is necessary to provide an organic solid waste compost heat recovery device. SUMMARY
[0005] The utility model aims at providing an organic solid waste compost heat recovery device to solve the problem that the existing fermentation tank cannot be insulated, heat recovered and waste gas treated.
[0006] The utility model provides a technical scheme that the utility model discloses a kind of organic solid waste compost heat recovery devices, including installation platform, controller is fixedly installed on the installation platform, fermentation tank and exhaust component are fixedly installed on the installation platform, the fermentation tank includes bucket cover and bucket body, the bucket cover and bucket body are detachably connected, motor one is fixedly installed in the bucket cover, the lower end surface of the bucket cover is provided with planetary gear assembly, the planetary gear assembly includes main gear, multiple sub gear, internal gear, the output end of motor one is fixedly connected with main gear, connecting shaft is fixedly installed on the sub gear, helical fan blade one is fixedly installed on the connecting shaft, the internal gear is fixedly connected with bucket cover, the exhaust component includes heat exchanger and adsorption tank, the heat exchanger and adsorption tank are fixedly connected with installation platform, the heat exchanger is communicated with bucket cover and adsorption tank respectively, electronic thermometer is fixedly installed on the bucket body and penetrates, air inlet component is arranged on the bucket body, the air inlet component includes ring pipe, air inlet valve is fixedly installed on the air inlet end of the ring pipe, the ring pipe is fixedly connected with bucket body, multiple air inlet pipe two are fixedly installed on the ring pipe, and air inlet pipe two is fixedly connected with bucket body and penetrates.
[0007] Preferably, a bearing one is arranged between the output end of the motor one and the main gear, the output end of the motor one is fixedly connected with the inner ring of the bearing one, the outer ring of the bearing one is fixedly installed with multiple mounting blocks, the mounting blocks are rotatably connected with the connecting shaft, the output end of the motor one is fixedly installed with a rotating shaft, the main gear is fixedly connected with the rotating shaft, a scraper is fixedly installed on the rotating shaft, and the scraper is attached to the inner wall of the bucket body.
[0008] Preferably, the bucket cover and the heat exchanger are fixedly connected through an exhaust pipe one, an exhaust valve is arranged on the exhaust pipe one, and an exhaust pipe two is fixedly installed between the heat exchanger and the adsorption tank.
[0009] Preferably, a feeding assembly is arranged on the bucket body, the feeding assembly includes a third motor and a feeding pipe, the output end of the third motor is rotatably connected with one end of the feeding pipe, helical fan blade two is fixedly installed on the output end of the third motor, the feeding pipe is fixedly connected with the bucket body and penetrates, and valve one is fixedly installed on the side of the feeding pipe close to the fermentation tank.
[0010] Preferably, a discharge port is arranged on the bucket body, and valve two is arranged on the discharge port.
[0011] Preferably, the air inlet component further includes an air inlet pipe one, and the air inlet pipe one is fixedly connected with the input end of the air inlet valve.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. By setting the air inlet assembly, exhaust assembly, so that the detection of fermentation barrel temperature is too high, open air inlet valve and exhaust valve, so that the temperature in the fermentation barrel to maintain a certain range, improve the fermentation efficiency;
[0014] 2. By setting the feeding assembly and planetary gear assembly, so that the frequency of opening the barrel cover is reduced, the mixing rate of new and old compost is improved, and the fermentation efficiency of new compost is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a three-dimensional structure schematic view of the utility model;
[0016] Figure 2 is another perspective view of the structure schematic view of the utility model;
[0017] Figure 3 is a front view structure schematic view of the utility model;
[0018] Figure 4 is a three-dimensional structure schematic view of the fermentation tank (omitting the installation table);
[0019] Figure 5 is Figure 4 A zone enlarged structure schematic view;
[0020] In the drawing: 1, installation table, 11, controller, 14, discharge port, 15, valve two, 2, fermentation tank, 21, barrel body, 22, barrel cover, 23, electronic thermometer, 24, motor one, 3, exhaust assembly, 31, heat exchanger, 32, adsorption box, 33, exhaust pipe one, 34, exhaust valve, 35, exhaust pipe two, 4, air inlet assembly, 40, air inlet pipe one, 41, ring pipe, 42, air inlet valve, 43, air inlet pipe two, 5, planetary gear assembly, 51, main gear, 52, split gear, 53, inner gear, 54, spiral fan blade one, 55, bearing one, 56, mounting block, 57, rotating shaft, 58, scraper, 59, connecting shaft, 6, feeding assembly, 61, motor three, 62, feeding pipe, 63, spiral fan blade two, 64, valve one. DETAILED DESCRIPTION
[0021] In order to make the purpose, advantages and technical scheme of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0022] In the description of the utility model, need understanding is, the term "length", "width", "upper", "lower", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom" "inner", "outer" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore it cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.
[0023] As Figures 1-5As shown, the present embodiment provides a kind of organic solid waste compost heat recovery device, including installation platform 1, controller 11 is fixedly installed on the installation platform 1, fermentation tank 2 and exhaust component 3 are fixedly installed on the installation platform 1, the fermentation tank 2 includes bucket cover 22 and barrel body 21, the bucket cover 22 and barrel body 21 are detachably connected, are connected by bolt between the two, motor one 24 is fixedly installed on the bucket cover 22, the lower end surface of the bucket cover 22 is provided with planetary gear assembly 5, the planetary gear assembly 5 includes main gear 51, a plurality of split gear 52, internal gear 53, the output end of motor one 24 is fixedly connected with main gear 51, connecting shaft 59 is fixedly installed on split gear 52, spiral fan blade one 54 is fixedly installed on connecting shaft 59, internal gear 53 is fixedly connected with bucket cover 22, by motor one 24 drive main gear 51 rotation, so that the spiral fan blade one 54 on split gear 52 is rotated, in turn, the compost in fermentation tank 2 is stirred and mixed, the exhaust component 3 includes heat exchanger 31 and adsorption tank 32, the heat exchanger 31 and adsorption tank 32 are all fixedly connected with installation platform 1, the heat exchanger 31 is communicated with bucket cover 22 and adsorption tank 32 respectively, by setting exhaust component 3, the hot gas in fermentation tank 2 is discharged, and by setting heat exchanger 31 and adsorption tank 32, heat exchanger 31 is gas-gas heat exchanger, recycling is used to hot gas, adsorption tank 32 utilizes activated carbon, zeolite etc. with high specific surface area and porous structure adsorbent, and the odor factor is adsorbed on its surface, to achieve the purpose of removal.Activated carbon has good adsorption effect on a variety of organic and inorganic odor factors, especially on volatile organic compounds, hydrogen sulfide etc. have higher adsorption capacity, and the odor of hot gas is adsorbed, the barrel body 21 is fixedly installed with electronic thermometer 23, by motor temperature meter 23 for monitoring the fermentation temperature in fermentation tank 2, the barrel body 21 is provided with air inlet component 4, the air inlet component 4 includes ring pipe 41, the air inlet end of the ring pipe 41 is fixedly installed with air inlet valve 42, the ring pipe 41 is fixedly connected with barrel body 21, a plurality of air inlet pipe two 43 are fixedly installed on the ring pipe 41, air inlet pipe two 43 are fixedly connected with barrel body 21, filter hole is arranged in air inlet pipe two 43, to prevent compost in fermentation tank 2 from being stirred and entering air inlet pipe two 43, cause blockage, new air is injected into fermentation tank 2, air inlet component 4 is cooperatively arranged with exhaust component 3, for cooling inside fermentation tank 2, so that the temperature in fermentation tank 2 is kept at 55-60 degrees.
[0024] The output end of the motor 24 is provided with a bearing 55, the output end of the motor 24 is fixedly connected with the inner ring of the bearing 55, the outer ring of the bearing 55 is fixedly installed with a plurality of mounting blocks 56, the mounting blocks 56 are rotatably connected with the connecting shaft 59 through the bearing, the output end of the motor 24 is fixedly installed with a rotating shaft 57, the main gear 51 is fixedly connected with the rotating shaft 57, the rotating shaft 57 is fixedly installed with a scraper 58, the scraper 58 is attached to the inner wall of the barrel body 21, the scraper 58 is used for scraping the compost attached to the inner wall of the fermentation tank 2, so that it participates in the compost stirring in the stirring tank 2, and the height of the scraper 58 will not exceed the electronic thermometer 23, preventing the scraper 58 from damaging the electronic thermometer 23 when rotating.
[0025] The barrel cover 22 and the heat exchanger 31 are fixedly connected through the exhaust pipe 33, the exhaust pipe 33 is provided with an exhaust valve 34, and the heat exchanger 31 and the adsorption box 32 are fixedly installed with an exhaust pipe 35.
[0026] The barrel body 21 is provided with a feeding assembly 6, the feeding assembly 6 comprises a motor 61 and a feeding pipe 62, the output end of the motor 61 is rotatably connected with one end of the feeding pipe 62, the output end of the motor 61 is fixedly installed with a spiral fan blade 63, the feeding pipe 62 is fixedly connected with the barrel body 21, the valve 64 is fixedly installed on one side of the feeding pipe 62 close to the fermentation tank 2, the feeding pipe 62 is provided with a feeding port, which facilitates feeding, and the valve 64 is provided to form a closed space for the fermentation tank 2, facilitating fermentation.
[0027] The barrel body 21 is provided with a discharge port 14, and the discharge port 14 is provided with a valve 15.
[0028] The air inlet assembly 4 further comprises an air inlet pipe 41, and the air inlet pipe 41 is fixedly connected with the input end of the air inlet valve 42.
[0029] The specific operation is as follows: drive motor three 61, through the feeding pipe 62, the material is put in, before putting in, first put in part sawdust, for absorbing the liquid produced when composting, compost is put into the feeding pipe 62, open valve one 64, motor three 61 drive spiral fan blade two 63 compost push into fermentation tank 2, push a certain amount of compost, close valve one 64, so that compost in fermentation tank 2 fermentation, through the temperature data feedback by electronic thermometer 23, the signal is fed back to controller 11, when the temperature in fermentation tank 2 exceeds 55-60 degrees, open air inlet valve 42 and exhaust valve 34, inject air into fermentation tank 2, for reducing the temperature in fermentation tank 2, prevent high temperature from causing nitrogen element volatilization, reduce fertilizer efficiency, hot air in fermentation tank 2 is discharged into heat exchanger 31, the active carbon, zeolite and other adsorbents with high specific surface area and porous structure in adsorption tank 32 are used to adsorb odor factors on the surface, so as to achieve the purpose of removal. Activated carbon has good adsorption effect on various organic and inorganic odor factors, especially on volatile organic compounds, hydrogen sulfide and other adsorption capacity, adsorb the peculiar smell in hot air, prevent air pollution, when the compost in fermentation tank 2 is fermented for a period of time, the compost can be selected to be discharged from the fermentation tank, or the new compost can be selected to be put into the fermentation tank 2, start motor one 24, make spiral fan blade one 54 rotate and mix new and old compost, and then speed up the fermentation efficiency of new compost.
[0030] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. An organic solid waste composting heat recovery device, comprising an installation platform (1), wherein a controller (11) is fixedly installed on the installation platform (1), characterized in that: The fermentation tank (2) and the exhaust assembly (3) are fixedly installed on the mounting platform (1). The fermentation tank (2) includes a lid (22) and a body (21). The lid (22) and the body (21) are detachably connected. A motor (24) is fixedly installed on the lid (22). A planetary gear assembly (5) is provided on the lower end face of the lid (22). The planetary gear assembly (5) includes a main gear (51), multiple gears (52), and an internal gear (53). The output end of the motor (24) is fixedly connected to the main gear (51). A connecting shaft (59) is fixedly installed on the gears (52). A spiral fan blade (54) is fixedly installed on the connecting shaft (59). The internal gear (53) is fixedly connected to the lid (22). The exhaust assembly (3) includes a heat exchanger (31) and an adsorption box (32). Both the heat exchanger (31) and the adsorption box (32) are fixedly connected to the mounting platform (1). The heat exchanger (31) is connected to the barrel cover (22) and the adsorption box (32) respectively. An electronic thermometer (23) is fixedly installed through the barrel body (21). An air inlet assembly (4) is provided on the barrel body (21). The air inlet assembly (4) includes a ring pipe (41). An air inlet valve (42) is fixedly installed at the air inlet end of the ring pipe (41). The ring pipe (41) is fixedly connected to the barrel body (21). Multiple air inlet pipes (43) are fixedly installed on the ring pipe (41). The air inlet pipes (43) are fixedly connected through the barrel body (21).
2. The organic solid waste composting heat recovery device according to claim 1, characterized in that: A bearing (55) is provided between the output end of the motor (24) and the main gear (51). The output end of the motor (24) is fixedly connected to the inner ring of the bearing (55). Multiple mounting blocks (56) are fixedly installed on the outer ring of the bearing (55). The mounting blocks (56) are rotatably connected to the connecting shaft (59). A rotating shaft (57) is fixedly installed on the output end of the motor (24). The main gear (51) is fixedly connected to the rotating shaft (57). A scraper (58) is fixedly installed on the rotating shaft (57). The scraper (58) is in contact with the inner wall of the barrel (21).
3. The organic solid waste composting heat recovery device according to claim 1, characterized in that: The barrel cover (22) and the heat exchanger (31) are fixedly connected by an exhaust pipe (33), an exhaust valve (34) is provided on the exhaust pipe (33), and an exhaust pipe (35) is fixedly installed between the heat exchanger (31) and the adsorption box (32).
4. The organic solid waste composting heat recovery device according to claim 1, characterized in that: The barrel body (21) is provided with a feeding assembly (6), which includes a motor (61) and a feeding pipe (62). The output end of the motor (61) is rotatably connected to one end of the feeding pipe (62). The output end of the motor (61) is fixedly installed with a spiral fan blade (63). The feeding pipe (62) is fixedly connected to the barrel body (21). A valve (64) is fixedly installed on the side of the feeding pipe (62) near the fermentation tank (2).
5. The organic solid waste composting heat recovery device according to claim 1, characterized in that: The barrel body (21) is provided with a discharge port (14), and the discharge port (14) is provided with a valve (15).
6. The organic solid waste composting heat recovery device according to claim 1, characterized in that: The air intake assembly (4) also includes an air intake pipe (40), which is fixedly connected to the input end of the air intake valve (42).