CN111233524A

CN111233524A - Earthworm compost and solar drying integrated workshop

Info

Publication number: CN111233524A
Application number: CN202010239020.XA
Authority: CN
Inventors: 黄魁; 夏慧; 于传波
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-06-05
Anticipated expiration: 2040-03-30
Also published as: CN111233524B

Abstract

The invention discloses an earthworm composting and solar drying integrated workshop which comprises a solar panel, an earthworm composting room and a solar drying room, wherein the earthworm composting room and the solar drying room are formed by being separated through a partition wall, multiple layers of circulating conveyor belts and transferring conveyor belts are vertically arranged in the earthworm composting room, the circulating conveyor belts are arranged in multiple rows along the running direction of the transferring conveyor belts, a plurality of earthworm composting sludge reactors are placed on the circulating conveyor belts, the running front ends of the transferring conveyor belts extend into the solar drying room through channels on the partition wall, the drying conveyor belts are arranged in the solar drying room, baffle plates are arranged on two sides of the drying conveyor belts along the length direction of the drying conveyor belts, air pipes are arranged above the drying conveyor belts, a plurality of air ports are arranged below the air pipes, and the air pipes are connected with the solar. According to the invention, an efficient production workshop of the earthworm organic manure is established according to the life habits of earthworms and organic matters in the earthworm manure, and the solar energy is utilized to realize the rapid drying of the earthworm manure by the solar warm air.

Description

Earthworm compost and solar drying integrated workshop

Technical Field

The invention belongs to the technical field of sludge composting, and particularly relates to an earthworm composting and solar drying integrated workshop.

Background

The sewage sludge treatment and disposal become the problems to be solved urgently in the ecological civilization construction process of China, the combination of sludge earthworm composting (Vermicompositing) and land utilization is a sustainable sludge recycling means, and particularly the method aims at the northwest loess areas where soil organic matters are poor and the economy is underdeveloped. However, due to the low air temperature in the alpine regions in the northwest, the organic matter degradation efficiency and the pathogenic bacteria removal rate in the earthworm composting process are low, and the popularization and application of the sludge earthworm composting technology in the northwest are restricted. But the northwest area has rich solar energy resources, the solar energy can not only provide proper environmental temperature for earthworm compost and accelerate the degradation of organic matters, but also can realize the inactivation of pathogenic microorganisms by high-temperature drying. Therefore, the earthworm compost and the solar drying technology have strong complementarity, and the rapid composting treatment of the sludge can be realized by combining the advantages of the earthworm compost and the solar drying technology. Based on the above, the invention provides an earthworm composting and solar drying integrated workshop which can provide feasible technical support for sludge resource treatment in northwest cold arid regions.

Disclosure of Invention

Aiming at the defects pointed out in the background technology, the invention provides an earthworm composting and solar drying integrated workshop, which utilizes solar energy as an auxiliary heat source to realize intensive and efficient production of earthworm organic manure.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an earthworm compost and solar energy dry integration workshop, includes solar panel and between the earthworm compost that forms through the partition wall partition and the solar energy mummification, vertically in the earthworm compost be equipped with multilayer circulation conveyer belt and transport the conveyer belt, the circulation conveyer belt arranges multiseriate along the traffic direction of transporting the conveyer belt, and a side edge of circulation conveyer belt is close to the transportation conveyer belt, place a plurality of earthworm compost sludge reactor along its traffic direction on the circulation conveyer belt, the operation front end of transporting the conveyer belt extends to in the solar energy mummification room through the passageway on the partition wall, be provided with the mummification conveyer belt among the solar energy mummification room, the rear end of mummification conveyer belt traffic direction is close to the extension front end of transporting the conveyer belt among the solar energy mummification room, the length direction of mummification conveyer belt is followed to the both sides of mummification conveyer belt sets up the baffle, the air pipe is provided with a plurality of air ports and is connected with the solar panel through a solar thermal fan; an exhaust fan is arranged on the top surface of the earthworm composting room, and ventilation openings are formed in the wall bodies of the earthworm composting room and the solar drying room.

Preferably, the solar drying room is arranged on the south side of the earthworm composting room, and the roof and the south wall of the solar drying room are built by using LOW-E glass to form the solar greenhouse.

Preferably, the solar panel is arranged on the top of the earthworm composting room.

Preferably, the drying conveyor belts are arranged in the solar drying room along the direction of transmission from the west to the east, and are respectively arranged on the north and south sides in the solar drying room, and an aisle is reserved between the drying conveyor belts on the north and south sides.

Preferably, the endless conveyor is the carousel form, the both sides of transfer conveyer belt set up 10 layers of endless conveyor respectively in the earthworm compost room, two-layer about the transfer conveyer belt sets up, and the upper strata is transported the conveyer belt and is located the high department of 5 th layer endless conveyor from top to bottom, and the lower floor is transported the conveyer belt and is located the high department of bottom endless conveyor.

Preferably, the drying conveyor belts on the north and south sides are arranged at an upper layer and a lower layer, and the heights of the drying conveyor belts on the upper layer and the lower layer are respectively the same as the heights of the transferring conveyor belts on the upper layer and the lower layer.

Preferably, radiators are arranged in the earthworm composting room and the solar drying room.

Preferably, the wall body of the earthworm composting room is constructed by EPS external heat preservation, cement mortar and reinforced concrete; the roof between the earthworm composts is constructed by cement mortar, fine aggregate concrete, extruded polystyrene boards, waterproof coiled materials, ceramsite concrete and reinforced concrete.

Preferably, the wall bodies on the east side and the west side of the solar drying room are constructed by adopting polymer mortar, EPS external heat insulation and clay hollow brick structures.

The invention further provides application of the earthworm compost and solar drying integrated workshop in production of earthworm manure on sludge, kitchen waste, agricultural waste, poultry and livestock.

Compared with the defects and shortcomings of the prior art, the invention has the following beneficial effects:

the invention provides an earthworm composting and solar drying integrated workshop according to life habits of earthworms and organic matters in earthworm cast, utilizes solar energy as an auxiliary heat source, realizes intensive and efficient production of earthworm organic manure through a plurality of conveyor belts, and can realize intelligent production only by a small amount of labor. The invention can utilize solar energy to realize the rapid drying of the earthworm cast by solar warm air and improve the production efficiency of the earthworm organic manure.

Drawings

Fig. 1 is a schematic top view of an earthworm composting and solar drying integrated workshop provided by an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a front view of an earthworm composting and solar drying integrated workshop provided by an embodiment of the invention.

In the figure: 1-earthworm composting room; 2-a solar drying chamber; 3-circulating the conveyor belt; 4-a transfer conveyor belt; 5-earthworm compost sludge reactor; 6-a radiator; 7-drying the conveyor belt; 8-air pipe; 9-a door; 10-a passageway; 11-a baffle plate; 12-a solar panel; 13-exhaust fan; 14-partition wall.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, an earthworm composting and solar drying integrated workshop comprises an earthworm composting room 1 and a solar drying room 2, wherein the arrow in fig. 1 indicates a south direction, the solar drying room 2 is arranged on the south side of the earthworm composting room 1, and the earthworm composting room 1 and the solar drying room 2 share a partition wall 14. The wall body of the earthworm composting room 1 is built by adopting an EPS external heat preservation, cement mortar and reinforced concrete structure, and the wall thickness is 0.265 m; the roof is constructed by cement mortar, fine stone concrete, extruded polystyrene board, waterproof coiled material, ceramsite concrete and reinforced concrete, and the distance between the roof and the roof is 0.334 m; solar panels 12 are placed above the roof, each block is 1 multiplied by 1m, and 600 square meters are paved. A northwest corner and a southeast corner of the earthworm composting room 1 are respectively provided with a door 9 for people and equipment to enter and exit; the whole earthworm composting room 1 is not provided with a window, so that the earthworm composting room is in a dark environment and is beneficial to the survival of earthworms. The wall bodies on the east and west sides of the solar drying room 2 are built by adopting polymer mortar, EPS external heat insulation and clay hollow brick structures, the roof and the south wall are built by using LOW-E, and the building is matched with an aerated concrete block structure, so that the solar drying room 2 forms a solar greenhouse, and the heating of the solar drying room 2 in the daytime is effectively realized. And the east-west wall body of the solar drying room 2 is provided with a ventilation opening to keep ventilation.

The earthworm compost is interior vertical 10 layers of being carousel form's endless conveyor 3 and two-layer transfer conveyer 4 that is the L shape of being equipped with between 1, endless conveyor 3 bandwidth 1m, the thickness of strip 3cm, interval 0.2m between every layer of endless conveyor 3, interval 1m between two-

layer transfer conveyer

4, 6 rows of 10 layers of endless conveyor 3 are arranged along the traffic direction of transfer conveyer 4 in the both sides of transfer conveyer 4 respectively, and transfer conveyer 4 both sides and be close to endless conveyor 3, leave the passageway around every row of

endless conveyor

3, 12 endless conveyor 3 in total on every layer. 10 earthworm compost sludge reactors 5 are arranged on the circulating conveyor belt 3 at intervals along the running direction of the circulating conveyor belt, each earthworm compost sludge reactor 5 is 0.5m apart, and all the circulating conveyor belts 3 can rotate clockwise. The total number of the circulating conveyor belts 3 can be determined according to the amount of sludge treated by a sewage treatment plant every day, each ton of the circulating conveyor belts 3 corresponds to one ton of the circulating conveyor belts, and the number of the circulating conveyor belts 3 is preferably set to 10 layers because the optimal treatment time of the earthworm compost is 10 days. The cultivation time between two adjacent layers of circulating conveyor belts 3 is staggered by one day, so that the cultivation time of the earthworm compost sludge reactors 5 on the two adjacent layers of circulating conveyor belts 3 is different by one day, each layer of the earthworm compost sludge reactors 5 for 1-10 days are cultivated in 10 layers of the circulating conveyor belts 3, the circulating conveyor belt 3 where the earthworm compost sludge reactor 5 for 10 days is cultivated runs and transfers the manure in the earthworm compost sludge reactor 5 on the circulating conveyor belt to the transfer conveyor belt 4 manually, and the earthworm compost sludge reactor 5 after transferring the manure carries out next mud feeding and cultivation. The interior of the earthworm composting room 1 is kept dark, only a small number of ventilation openings are arranged on the outer wall, the roof is provided with the exhaust fan 13 to ensure indoor ventilation, and the radiator 6 is arranged in the earthworm composting room to ensure the temperature in the earthworm composting room in winter, so that the earthworm composting room 1 is kept in an environment of 20 ℃ for a long time to be beneficial to the earthworm to decompose sludge at a high speed.

The direction of motion of two-layer transfer conveyer belt 4 is the same, and upper strata transfer conveyer belt 4 is located the high department at 5 th floor circulating conveyor 3 places from top to bottom, and lower floor transfer conveyer belt 4 is located the high department at 3 places of bottom circulating conveyor, and transfer conveyer belt 4 bandwidth 1.5m, the thick 3cm of area. The operation front end of two-layer transportation conveyer belt 4 passes through the passageway on the partition wall 14 and extends to in the solar drying room 2, is responsible for transporting earthworm cast and gets into the solar drying room 2, and the passageway accessible on the partition wall 14 transports conveyer belt 4 and treats the earthworm cast fertilizer of mummification on it.

The drying conveyor belt 7 which is conveyed from west to east is arranged in the solar drying room 2, the length of the drying conveyor belt 7 is determined according to the length of the drying workshop, the L-shaped transfer conveyor belt 4 extends into the west side of the solar drying room 2, and the west side of the drying conveyor belt 7 is close to the extending front end of the transfer conveyor belt 4 in the solar drying room 2. An upper layer of drying conveyor belt 7 and a lower layer of drying conveyor belt 7 are respectively arranged at the north and south sides in the solar drying room 2, and the heights of the upper layer of drying conveyor belt 7 and the lower layer of drying conveyor belt 7 are respectively the same as the heights of the upper layer of transferring conveyor belt 4 and the lower layer of transferring conveyor belt 4. Transfer the manure on the conveyer belt 4 to west mummification conveyer belt 7 through the manual work, wherein, the manure on the conveyer belt 4 is transported to the upper strata is transferred to on the mummification conveyer belt 7 of north and south both sides upper strata, the manure on the conveyer belt 4 is transported to the lower floor on transferring to the mummification conveyer belt 7 of north and south both sides lower floor, leave passageway 10 between the mummification conveyer belt 7 of north and south both sides, the east side central authorities of solar drying room 2 are equipped with door 9, be used for personnel's business turn over, be equipped with radiator 6 in the

solar drying room

2, 2 auxiliary heat sources in 2 as the solar drying room. As the solar drying room 2 only needs to place the sludge for one day, the drying conveyor belt 7 adopts a conveyor belt with the bandwidth of 2.5m and the thickness of 3 cm. Baffle 11 is set up along the length direction of mummification conveyer belt 7 in the both sides of mummification conveyer belt 7, leaves one section conveyer belt at the east of mummification conveyer belt 7 and does not set up baffle 11, and this section conveyer belt department is used for collecting the good manure of mummification, and the mummification conveyer belt 7 of north and south both sides leans on the baffle 11 height of wall one side to be 0.1m, leans on the baffle of passageway 10 one side to seal the mummification conveyer belt 7 of lower floor on this side, so this side shield 11 height is 2 m. An air pipe 8 is arranged above the drying conveyor belt 7 at a distance of 0.5m along the belt length direction, a plurality of air ports are formed in the bottom of the air pipe 8, hot air is blown to sludge on the drying conveyor belt 7 from the air ports, and the air speed of the air ports is 1 m/s. The wind pipe 8 is connected with the solar panel 12 through a solar hot air blower. The main heat source in the solar drying room 2 is that a solar hot air blower supplying heat through a solar panel 12 blows hot air to an indoor air pipe 8, so that the air on the surface of the wormcast finally reaches 35 ℃, and drying of the wormcast is accelerated. The earthworm composting and solar drying integrated workshop provided by the invention can be used for producing earthworm manure by sludge, kitchen waste, agricultural waste, poultry and livestock, and intensive and efficient production can be realized by only a small amount of labor.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an earthworm compost and solar energy dry integration workshop, a serial communication port, include solar panel and between the earthworm compost that forms through the partition wall and the solar energy mummification, vertically in the earthworm compost be equipped with multilayer circulation conveyer belt and transport the conveyer belt, the circulation conveyer belt arranges along the traffic direction of transporting the conveyer belt and establishes multiseriate, and a side edge of circulation conveyer belt is close to the transport conveyer belt, follow its traffic direction on the circulation conveyer belt and place a plurality of earthworm compost sludge reactor, the operation front end of transporting the conveyer belt extends to in the solar energy mummification room through the passageway on the partition wall, be provided with the mummification conveyer belt among the solar energy mummification room, the rear end of mummification conveyer belt traffic direction is close to the extension front end of transporting the conveyer belt among the solar energy mummification room, the both sides of mummification conveyer belt set up the mummification, an air pipe is arranged above the drying conveyor belt, a plurality of air ports are arranged below the air pipe, and the air pipe is connected with the solar panel through a solar thermal fan; an exhaust fan is arranged on the top surface of the earthworm composting room, and ventilation openings are formed in the wall bodies of the earthworm composting room and the solar drying room.

2. The earthworm compost and solar energy drying integrated workshop according to claim 1, wherein the solar energy drying room is arranged on the south side of the earthworm compost room, and a roof and a south wall of the solar energy drying room are built by using LOW-E glass.

3. The earthworm compost and solar desiccation integrated plant of claim 2, wherein the solar panel is located at the top of the earthworm compost chamber.

4. The earthworm compost and solar drying integrated workshop according to claim 2, wherein the drying conveyor belts are arranged in the solar drying room along the direction of transmission from west to east, and are respectively arranged on the north and south sides of the solar drying room, and an aisle is reserved between the drying conveyor belts on the north and south sides.

5. The earthworm compost and solar drying integrated workshop according to claim 4, wherein the circulating conveyors are in a turntable shape, 10 layers of circulating conveyors are respectively arranged on two sides of a transfer conveyor in the earthworm compost workshop, the transfer conveyor is arranged in an upper layer and a lower layer, the height of the upper layer of transfer conveyor is the same as that of a 5 th layer of circulating conveyor from top to bottom, and the height of the lower layer of transfer conveyor is the same as that of a bottom layer of circulating conveyor.

6. The earthworm compost and solar energy drying integrated workshop according to claim 5, wherein the drying conveyors on the north and south sides are arranged in an upper layer and a lower layer, and the heights of the drying conveyors on the upper layer and the lower layer are respectively the same as the heights of the transfer conveyors on the upper layer and the lower layer.

7. The earthworm composting and solar drying integrated plant of claim 1 wherein radiators are provided in the earthworm composting room and the solar drying room.

8. The earthworm compost and solar drying integrated workshop according to claim 2, wherein the wall body of the earthworm compost chamber is constructed by EPS external insulation, cement mortar and reinforced concrete; the roof between the earthworm composts is constructed by cement mortar, fine aggregate concrete, extruded polystyrene boards, waterproof coiled materials, ceramsite concrete and reinforced concrete.

9. The earthworm compost and solar drying integrated workshop according to claim 2, wherein wall bodies on two sides of the solar drying room are constructed by polymer mortar, EPS external insulation and clay hollow brick structures.

10. Use of an earthworm composting and solar drying integrated plant according to any of claims 1-9 for earthworm manure production in sludge, kitchen waste, agricultural waste, poultry and livestock.