CN214842360U

CN214842360U - Dirty stoving line of heat accumulation formula fertilizer preparation excrement

Info

Publication number: CN214842360U
Application number: CN202120595269.4U
Authority: CN
Inventors: 柳一曼; 柳国伟; 寇翠青
Original assignee: Zhuhai Baoneng Green Energy Technology Co ltd
Current assignee: Zhuhai Baoneng Green Energy Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-23
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a heat accumulating type drying line for preparing excrement by organic fertilizer, which comprises a track, wherein the drying line comprises a control system, a heat accumulating loop and a heat supply loop, the heat supply loop is a circulation loop which is formed by connecting a first heater and a heat exchanger through a pipeline and internally provided with a heat exchange medium to flow, and part of a pipe section of the heat supply loop, which is positioned in front of the first heater, is a heating pipe arranged below the track; the heat storage loop is a circulating loop which is formed by sequentially connecting a heat exchanger, a second heater and a heat storage device with a heat storage material inside through pipelines and is internally provided with a heat conducting medium to flow, and partial pipe sections of the heat storage loop are used as heat exchange pipes and are positioned in the heat storage device to be in contact with the heat storage material. The utility model realizes cost reduction of power grid consumption-reducing enterprises, reduces production cost and improves production efficiency; the utility model discloses a heating pipe heating control heating temperature can set up different mummification temperature and power to be adapted to the mummification of different kinds of excrement material, and realize the accurate regulation and control of mummification technology temperature, play the effect of disinfecting and protection available nutrients.

Description

Dirty stoving line of heat accumulation formula fertilizer preparation excrement

Technical Field

The utility model relates to a dirty stoving line of fertilizer preparation excrement especially relates to a dirty stoving line of heat accumulation formula fertilizer preparation excrement.

Background

In the process of raising chickens, the feed ingested by the chickens is not completely digested and absorbed, about 40-70% of nutrients are discharged out of the bodies of the chickens, so that the nutrients of the chickens 'excrement in all the poultry and livestock excrements are the highest, but the chickens' excrement is directly applied to crops without being treated or decomposed, and great harm and hidden danger exist: directly applied to soil, fermented under proper conditions and generate a large amount of heat, which can burn the root system of crops; the chicken manure is used in successive years, a large amount of sodium chloride salt is remained in soil, and yield reduction phenomena such as abnormal plant growth, flower bud dilution, fruit non-opening and the like occur, so that the improvement of the yield and the quality of crops is obviously restricted; the chicken manure is a perennial land and a hotbed for root-knot nematodes, and the root-knot nematodes are one of the most fatal hidden dangers for old sheds more than 3 years; the chicken feed contains a large amount of hormones, and antibiotics can be used for preventing and treating diseases, and the antibiotics can be brought into soil through chicken manure, so that the safety of agricultural products is influenced; the chicken manure can generate harmful gases such as methane, ammonia gas and the like in the decomposition process, so that soil and crops generate acid damage and root damage, and more seriously, the generated ethylene gas inhibits the growth of roots and is also a main reason for burning the roots; the chicken manure is applied to the soil, oxygen in the soil is consumed in the decomposition process, the soil is temporarily in an anoxic state, and the growth of crops is inhibited; the chicken manure contains a high amount of heavy metals such as copper, mercury, chromium, cadmium, lead, arsenic and the like, and a large amount of hormone residues, heavy metals of agricultural products exceed the standard if the chicken manure is not fermented, underground water sources and soil are polluted, the conversion time of organic matters to humus is long, and the nutrient loss is serious.

On the other hand, the chicken manure is a relatively high-quality organic fertilizer and contains pure nitrogen, phosphorus and potassium. The chicken manure organic fertilizer can be generally used as a base fertilizer for economic crops such as vegetables, fruit trees and the like, can effectively improve the quality of the crops and improve the soil structure. The production process of the chicken manure organic fertilizer comprises the following steps: solid-liquid separation → drying (charging or drying) → fermentation → granulation → baling. The drying process comprises mixing adjuvants (wheat bran, rice chaff and straw powder) or evaporating and drying. The drying process requires heat, and three drying methods are currently used: the first is high-temperature quick drying, namely high-temperature quick drying equipment represented by a rotary cylinder drying furnace is used for quickly drying wet chicken manure with the water content of 70 percent in a short time (about 10 minutes) to a chicken manure processed product with the water content of only 10 to 15 percent, and the defects are that the consumed power is high, and some nutritional ingredients are denatured and lost; the second is natural drying treatment by solar energy, namely, the chicken manure is dried by fully utilizing the solar energy by adopting the greenhouse effect formed in the plastic greenhouse, and the defects are that the solar energy power is unstable, the process period is unstable and the process quality deviation is large; the third is a natural drying mode in the cage, and the cage raising equipment is provided with the chicken manure drying device in the cage, so that the cage is suitable for multilayer overlapped cages and has the defects of long and unstable process period and large process result deviation.

The chinese utility model patent application (CN201710780480.1) discloses an automated production system for preparing organic fertilizer by using livestock and poultry manure, as shown in fig. 1, belonging to a solar natural drying treatment mode, the production system comprises a breeding room 1 and a sunlight production workshop 2 communicated with the breeding room 1, a septic tank 6, a slope 4 extending upwards from the septic tank 6 and an organic fertilizer storage tank 3 are arranged in the sunlight production workshop 2; a track 5 is laid on the slope 4, two ends of the track 5 are provided with a stopper 7, and the track 5 is provided with a turner. The wall body is provided with a ventilation opening 8. The chicken manure is transferred from the breeding room 1 to the manure pit 6, fermented at the slope bottom and continuously conveyed to the slope top through the rail-walking mixing and conveying device capable of reciprocating on the rail, and in the conveying process, moisture in the chicken manure is continuously reduced under the action of solar energy and wind energy, so that the drying of the chicken manure is realized. However, the energy fluctuation of sunlight is large, and no effective means is available for regulation, so that the drying process is poor in control accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat accumulation formula fertilizer preparation excrement stoving line of simple structure, with low costs, energy saving and consumption reduction, reduction cost of enterprise, improvement temperature control accuracy, improvement production efficiency.

The purpose of the utility model is realized through the following technical measures: the utility model provides a dirty stoving line of heat accumulation formula fertilizer preparation excrement, is including the track that is used for transporting fermentation chicken manure, realizes the drying process of chicken manure in the transportation, its characterized in that: the drying line comprises a control system, a heat storage loop and a heat supply loop, wherein the heat supply loop is a circulating loop which is mainly formed by connecting a first heater and a heat exchanger through a pipeline and internally provided with a heat exchange medium to flow, and a part of pipe section of the heat supply loop, which is positioned in front of the first heater, is a heating pipe arranged below the track; the heat storage loop is a circulation loop which is mainly formed by sequentially connecting a heat exchanger, a second heater and a heat storage device with heat storage materials through pipelines and internally provided with a heat conducting medium to flow, namely the heat exchanger is a shared component of the heat storage loop and the heat supply loop, partial pipe sections of the heat storage loop are used as heat exchange pipes and are positioned in the heat storage device to be contacted with the heat storage materials, and the first heater and the second heater are respectively connected with the control system.

The utility model discloses a working process is: in the valley power period, the heat storage device heats the heat-conducting medium in the heat storage loop through the second heater, in the heat storage device, the heat storage material absorbs and stores the heat transferred by the heat-conducting medium, in the process, the first heater works to provide heat for the heating pipe, namely, the heat storage and the heating pipe work can be carried out simultaneously in the valley power period; during off-peak electricity periods, the heat storage material storing heat transfers the stored heat to the heat conducting medium of the heat storage loop, the heat conducting medium exchanges heat with the heat exchange medium in the heat supply loop in the heat exchanger, the heat is supplied to the heating pipe of the heat supply loop, and when the heat is insufficient, the heat exchange medium in the heat supply loop is heated by the first heater to supplement the heat, so that the utility model has the function of adjusting the energy storage capacity and the energy conservation aiming at the electricity price at the peak valley, the cost of an electric network consumption-reducing enterprise is reduced, the production cost is greatly reduced, and the production efficiency is improved; furthermore, the utility model discloses to thermal regulation in the system, through heating pipe heating control heating temperature, can set up different mummification temperature and power to be adapted to the mummification of different kinds of excrement material, and realize the accurate regulation and control of mummification process temperature, play effectively disinfect and protect the effect of available nutrient.

As an improvement of the utility model, the stoving line includes photovoltaic system, photovoltaic system's power output end links to each other with control system and electric wire netting respectively, control system is connected with the electric wire netting, control system does first heater and second heater provide electric power.

First heater and second heater are resistance heater, electric drive heat pump or electromagnetic heater, preferred electromagnetic heater, and photovoltaic system output direct current, electromagnetic heater is chooseed for use to the heater, need not to increase alternating current-direct current conversion equipment, and reduce cost uses photovoltaic system moreover, and energy saving and consumption reduction further reduces the cost in business.

As a further improvement of the utility model, the first heater has two water inlets, and one of them water inlet is first water inlet, and this first water inlet is connected with the delivery port of heat exchanger, and another water inlet is the second water inlet be equipped with the branch road between the pipeline between the delivery port of the heating pipe of heat supply loop and the water inlet of heat exchanger and the second water inlet of first heater. When the heat storage amount of the heat storage device is lower in the last stage of use, the phenomenon that the heat exchange between the heat storage loop and the heat supply loop is insufficient can occur, and at the moment, in order to avoid the heater of the heat supply loop to heat the reverse heat storage loop, the heat exchange medium in the heat supply loop flows through the branch.

As a preferred embodiment of the present invention, the heat supply loop further includes a first solenoid valve, a second solenoid valve, a first check valve, a second check valve and a first circulating pump connected to the control system, the first solenoid valve is disposed on the second water inlet of the first heater, the second solenoid valve and the first check valve are sequentially disposed on the pipeline between the water outlet of the heating pipe and the water inlet of the heat exchanger and in front of the connection position of the branch on the pipeline, the first circulating pump is disposed behind the connection position of the branch on the pipeline, and the second check valve is disposed on the pipeline between the water outlet of the heat exchanger and the first water inlet of the first heater; the heat storage loop further comprises a second circulating pump connected with the control system, and the second circulating pump is arranged on a pipeline between an outlet of the second heater and an inlet of the heat storage device.

In order to further improve work efficiency, the utility model discloses orbital top is equipped with the air supply arrangement that can realize the air convection, and air supply arrangement can choose the fan for use.

Preferably, the heat storage material of the present invention is a phase change heat storage material or a sensible heat storage material.

The heat storage material is a novel chemical material capable of storing heat energy. It is biologically changed at a specific temperature, accompanied by absorption or release of heat, and can be used to control the temperature of the surrounding environment, or to store thermal energy. The phase-change heat storage material stores and utilizes heat by using phase-change heat generated by substances in a phase-change process (such as solidification/melting, condensation/vaporization, solidification/sublimation and the like). The sensible heat storage material stores heat by utilizing the temperature change process of a substance, and because direct contact type heat exchange can be adopted or fluid is a heat storage medium, the heat storage and release processes are relatively simple, and the sensible heat storage material is a heat storage material with more early applications.

Preferably, the heat transfer medium of the present invention may be organic substances such as heat transfer oil, and may also be water or a heat transfer medium.

Compared with the prior art, the utility model discloses the effect that is showing as follows has:

the utility model discloses have and carry out the energy-conserving function of adjusting of holding to the peak valley price of electricity, can realize that electric wire netting consumption reduction enterprise falls the purpose of this, reduction in production cost increases substantially, improves production efficiency.

Do a matter the utility model discloses to thermal regulation in the system, through heating pipe heating control heating temperature, can set up different mummification temperature and power to be adapted to the mummification of different kinds of excrement material.

The utility model discloses can realize the accurate regulation and control of mummification technology temperature, adjust heating power and material step volume and step speed, fan wind speed etc. can play the effect of effective sterilization and protection available nutrients.

Fourth the utility model discloses be equipped with air supply arrangement on the track side, control air convection can further improve work efficiency.

The utility model discloses can be according to valley peak period or photovoltaic power generation, the low price of electricity energy of preference, photovoltaic system's electricity generation can supply with mummification stoving line through the heat accumulation of heat accumulation device and use, also can send outside being incorporated into the power networks.

Sixthly, the utility model has simple structure and low cost, and is suitable for wide popularization and use.

Drawings

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

FIG. 1 is a schematic diagram of the structure of an existing automatic production system for preparing organic fertilizer from livestock and poultry manure;

fig. 2 is a schematic structural composition diagram of embodiment 1 of the present invention;

FIG. 3 is a sectional view of the heating pipe of the present invention disposed below the track;

fig. 4 is a schematic structural composition diagram of embodiment 2 of the present invention;

fig. 5 is a schematic diagram of the power output connection relationship of the photovoltaic system according to embodiment 2 of the present invention.

Detailed Description

Example 1

As shown in fig. 2, the utility model relates to a heat accumulating type manure drying line prepared by organic fertilizer, which comprises a control system 29, a track 5 for transporting fermented chicken manure, a heat accumulating loop and a heat supplying loop, wherein the heat accumulating loop and the heat supplying loop are used for drying the chicken manure in the transportation process, the heat supplying loop is a circulating loop which is mainly connected by a first heater 9 and a heat exchanger 10 through a pipeline and internally provided with a heat exchange medium, in the embodiment, the heat exchange medium is water a, and a part of a pipe section of the heat supplying loop, which is positioned in front of the first heater 9, is a heating pipe 11 arranged below the track 5; the heat storage loop is a circulation loop which is mainly formed by sequentially connecting a heat exchanger 10, a second heater 12 and a heat storage device 13 through pipelines and internally provided with a heat conducting medium to flow, in the embodiment, the heat conducting medium is heat conducting oil B, namely, the heat exchanger 10 is a shared component of the heat storage loop and the heat supply loop, the heat storage device 13 comprises a shell and a heat storage material 14 arranged in the shell, in the embodiment, the heat storage material 14 is a phase change heat storage material, partial pipe sections of the heat storage loop are used as heat exchange pipes 15 and are positioned in the heat storage device 13 to be in contact with the heat storage material 14, in order to improve the heat exchange effect in the heat storage device, cooling fins 30 are arranged on the outer wall of the heat exchange pipes 15, and the first heater 9 and the second heater 12 are respectively connected with a control system.

The first heater 9 has two water inlets, one of which is a first water inlet connected to the water outlet of the heat exchanger 10, the other is a second water inlet, and a branch 16 is provided between the second water inlet of the first heater 9 and a pipeline between the water outlet of the heating pipe 11 and the water inlet of the heat exchanger 10 of the heat supply loop. The heat supply loop further comprises a first electromagnetic valve 15, a second electromagnetic valve 17, a first one-way valve 18, a second one-way valve 19 and a first circulating pump 20 which are connected with the control system, the first electromagnetic valve 15 is arranged on a second water inlet of the first heater, the second electromagnetic valve 17 and the first one-way valve 18 are sequentially arranged on a pipeline between a water outlet of the heating pipe 11 and a water inlet of the heat exchanger 10 and in front of a connecting position of the branch 16 on the pipeline, the first circulating pump 20 is arranged behind the connecting position of the branch 16 on the pipeline, and the second one-way valve 19 is arranged on the pipeline between the water outlet of the heat exchanger 10 and the first water inlet of the first heater; the heat storage circuit further comprises a second circulation pump 21 connected to the control system, the second circulation pump 21 being arranged in a line between the outlet of the second heater and the inlet of the heat storage means.

As shown in fig. 3, a track-walking type mixing and transporting device 22 capable of reciprocating along both sides of the track is installed on the upper surface of the track 5, the heating pipe 11 is laid under the track 5 and closely attached to the lower surface of the track 5, and an insulating layer 23 is provided under the heating pipe 11 and supported by a supporting plate 24. A fan 25 for realizing air convection is arranged above the track 5.

The utility model discloses a working process is:

first solenoid valve 15 is opened, second solenoid valve 17 is closed during the valley electricity period, and the control system opens or closes first heater 9 according to the temperature of using end TT1, and opens or closes second heater 12 and circulating pump 21 according to the temperature of heat storage material TT 2.

In the valley period, the heat storage device stores heat (the first heater can be started simultaneously to enable the heating pipe to work): starting a second heater to heat the heat conduction oil B; the heated heat conduction oil flows through a heat exchange tube in the heat storage device to heat the heat storage material and store heat; the heating may be stopped when the temperature of the heat storage material reaches the required temperature.

Second, in off-peak electricity period, first solenoid valve 15 is closed, and second solenoid valve 17 opens, and control system opens first circulating pump 20 according to user end TT1 temperature, and user end temperature is not up to standard then starts first heater and heats when first circulating pump 20 lasts a plurality of time.

During off-peak periods, the control system controls the second heater 12 to be switched off, the heat released by the heat storage material is absorbed by the heat exchange section of the heat storage loop and is supplied to the heat supply loop through the heat exchanger 10 for heat exchange, and the first heater 9 is used for assisting in heating and supplementing heat.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that a photovoltaic system 26 is added, the first heater 9 and the second heater 12 are respectively electromagnetic heaters, in other embodiments, the heaters can also be resistance heaters or electrically driven heat pumps, the electrical output terminals of the photovoltaic system 26 are respectively connected with an electromagnetic control box of a control system 29 and an electrical grid 27, the control system 29 is connected with the electrical grid 27, and the control system 29 provides power for the first electromagnetic heater and the second electromagnetic heater.

Referring to fig. 5, during the valley period, the electric network valley electricity E is used for heat storage, during the sunny days, the photovoltaic system is used for heat storage, the power generation C of the photovoltaic system 26 can supply heat F to the heat supply loop 31 through heat storage of the heat storage device 13, and if the heat storage device 13 is fully stored, the power generation D of the photovoltaic system can be directly connected to the grid for power generation.

In other embodiments, the heat transfer medium may be other organic substances besides heat transfer oil, and may also be water or a heat transfer medium.

In other embodiments, the thermal storage material may also be a sensible heat storage material, such as gravel, heated to a temperature of 1000 ℃, silica (silicon dioxide), or magnesia brick. The sensible heat storage material releases heat by means of high-temperature difference.

The embodiments of the present invention are not limited to the above, according to the above-mentioned contents of the present invention, according to the common technical knowledge and the conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or changes in various forms, all falling within the scope of the present invention.

Claims

1. The utility model provides a dirty stoving line of heat accumulation formula fertilizer preparation excrement, is including the track that is used for transporting fermentation chicken manure, realizes the drying process of chicken manure in the transportation, its characterized in that: the drying line comprises a control system, a heat supply loop and a heat storage loop, wherein the heat supply loop is a circulating loop which is mainly formed by connecting a first heater and a heat exchanger through a pipeline and internally provided with a heat exchange medium to flow, and a part of pipe section of the heat supply loop, which is positioned in front of the first heater, is a heating pipe arranged below the track; the heat storage loop is a circulation loop which is mainly formed by sequentially connecting a heat exchanger, a second heater and a heat storage device with heat storage materials through pipelines and internally provided with a heat conducting medium to flow, namely the heat exchanger is a shared component of the heat storage loop and the heat supply loop, partial pipe sections of the heat storage loop are used as heat exchange pipes and are positioned in the heat storage device to be contacted with the heat storage materials, and the first heater and the second heater are respectively connected with the control system.

2. The heat accumulating type organic fertilizer preparation manure drying line of claim 1, which is characterized in that: the drying line comprises a photovoltaic system, the power output end of the photovoltaic system is respectively connected with a control system and a power grid, the control system is connected with the power grid, and the control system provides power for the first heater and the second heater.

3. The heat accumulating type organic fertilizer preparation manure drying line of claim 2, which is characterized in that: the first and second heaters are resistive heaters, electrically driven heat pumps, or electromagnetic heaters.

4. The heat accumulating type organic fertilizer preparation manure drying line of claim 3, which is characterized in that: the first heater is provided with two water inlets, one water inlet is a first water inlet which is connected with the water outlet of the heat exchanger, the other water inlet is a second water inlet, and a branch is arranged between a pipeline between the water outlet of the heating pipe of the heat supply loop and the water inlet of the heat exchanger and the second water inlet of the first heater.

5. The heat accumulating type organic fertilizer preparation manure drying line of claim 4, which is characterized in that: the heat supply loop further comprises a first electromagnetic valve, a second electromagnetic valve, a first one-way valve, a second one-way valve and a first circulating pump which are connected with the control system, the first electromagnetic valve is arranged on a second water inlet of the first heater, the second electromagnetic valve and the first one-way valve are sequentially arranged on a pipeline between a water outlet of the heating pipe and a water inlet of the heat exchanger and in front of a connecting position of the branch on the pipeline, the first circulating pump is arranged behind the connecting position of the branch on the pipeline, and the second one-way valve is arranged on a pipeline between the water outlet of the heat exchanger and the first water inlet of the first heater; the heat storage loop further comprises a second circulating pump connected with the control system, and the second circulating pump is arranged on a pipeline between an outlet of the second heater and an inlet of the heat storage device.

6. The heat accumulating type organic fertilizer preparation manure drying line of claim 5, which is characterized in that: and an air supply device capable of realizing air convection is arranged above the track.

7. The heat accumulating type organic fertilizer preparation manure drying line as claimed in any one of claims 1 to 6, is characterized in that: the heat storage material is a phase change heat storage material or a sensible heat storage material.

8. The heat accumulating type organic fertilizer preparation manure drying line of claim 7, which is characterized in that: the heat conducting medium is heat conducting oil, water or heat carrying medium.