NL2027019A - Harmless treatment equipment for livestock and poultry dead of disease - Google Patents
Harmless treatment equipment for livestock and poultry dead of disease Download PDFInfo
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- NL2027019A NL2027019A NL2027019A NL2027019A NL2027019A NL 2027019 A NL2027019 A NL 2027019A NL 2027019 A NL2027019 A NL 2027019A NL 2027019 A NL2027019 A NL 2027019A NL 2027019 A NL2027019 A NL 2027019A
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- Prior art keywords
- pipe
- fermentation tank
- tank body
- plate
- cooling water
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- 244000144972 livestock Species 0.000 title claims abstract description 36
- 244000144977 poultry Species 0.000 title claims abstract description 36
- 201000010099 disease Diseases 0.000 title abstract description 23
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title abstract description 23
- 238000000855 fermentation Methods 0.000 claims abstract description 107
- 230000004151 fermentation Effects 0.000 claims abstract description 107
- 239000000498 cooling water Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000005485 electric heating Methods 0.000 claims abstract description 38
- 238000011049 filling Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 239000012774 insulation material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims 3
- 238000009423 ventilation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
- B09B3/45—Steam treatment, e.g. supercritical water gasification or oxidation
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A harmless treatment equipment for livestock and poultry dead of disease, comprises a fermentation tank having a tank body structure with an open top, at the top of which an upper cover, the fermentation tank comprises a tank body plate; on two sides thereof side plates are arranged, the bottom of the tank body plate connected with a sandwich plate; a conduction oil cavity formed between sandwich plate and tank body plate, a side of the cavity communicated with oil filling device, the bottom with oil drain device, electric heating tubes arranged in the cavity; the upper cover has an air suction pipe communicated with a fan through a steam discharge pipe, the fan connected to a condensing device through a steam feed pipe; the condensing device comprising a condensing cylinder having inside a condensing pipe, wherein cooling water circulates, the condensing cylinder communicated with a condensed water tank.
Description
DEAD OF DISEASE Field of the Invention The present disclosure belongs to the technical field of harmless treatment of livestock and poultry dead of disease, and specifically relates to harmless treatment equipment for livestock and poultry dead of disease. Background of the Invention In recent years, with the rapid development of the livestock and poultry breeding industry, the harmless treatment of livestock and poultry dead of disease has received more and more attention, and has become the focus of the whole society. Due to low degrees of intensification, standardization and industrialization of the livestock and poultry breeding industry in China, “low, small and scattered” livestock and poultry farms are still in the majority, and have the characteristics of wide distribution, weak infrastructure, low degree of standardization, indifferent awareness of harmless treatment, and lack of funds and facilities, resulting in that the harmless treatment capacity of livestock and poultry dead of disease is not adapted to the development level of breeding. Incidents of littering and burying livestock and poultry dead of disease anywhere occur from time to time, which causes serious pollution to the environment and directly threatens the health of people. There are many harmless treatment methods for livestock and poultry dead of disease, and there are also many kinds of related equipment, the high-temperature fermentation method, which uses biological bacteria to ferment and degrade organic matters, achieves the purposes of reduction, harmlessness and resource recovery, has the advantages of good treatment effect, no pollution during treatment, low treatment cost and reutilization of treatment products, and can provide high temperature for supporting equipment so as to quickly reach a fermentation temperature and achieve rapid harmlessness.
Existing harmless treatment machines for livestock and poultry dead of disease that adopt the high-temperature fermentation method mostly provide high temperature by means of coal, oil or natural gas burning and heating steam or conduction oil, which has problems such as the need for auxiliary equipment, large investment, and secondary pollution.
The use of electric heating elements for direct heating has problems such as low efficiency and uneven heating.
In addition, the insulation measures of the existing harmless treatment machines have poor effects, leading to the problems of high energy consumption, high cost, and difficult promotion of the treatment machines.
The steam produced in the treatment process of the existing harmless treatment machines for livestock and poultry dead of disease that adopt the high-temperature fermentation method generally requires pickling, adsorption, etc., causing problems such as complicated process, large investment, and low efficiency.
Summary of the Invention The object of the present disclosure is to overcome the above shortcomings of the prior art and provide harmless treatment equipment for livestock and poultry dead of disease; this equipment solves the problems of large investment, high energy consumption, and difficulty promotion of the existing treatment machines, and realizes rapid and efficient harmless treatment of livestock and poultry dead of disease; this equipment solves the problems of complicated process, large investment and low efficiency of steam collection and treatment devices of the existing treatment machines, and realizes fast collection and condensation treatment of steam of the harmless treatment machines for livestock and poultry dead of disease, thereby rapidly reducing the moisture content of the treated materials, quickly completing the harmless treatment process of high-temperature aerobic fermentation, reducing the treatment energy consumption and improving the treatment efficiency; and no odor is generated during the steam collection and condensation process, so this equipment is clean and environment-friendly, and is beneficial to promotion and application.
A first invention object of the present disclosure is to propose harmless treatment equipment for livestock and poultry dead of disease.
To achieve the object, the present disclosure adopts the following technical solutions:
Harmless treatment equipment for livestock and poultry dead of disease includes a fermentation tank, and an upper cover is arranged at the top of the fermentation tank; the fermentation tank includes a tank body plate, side plates are arranged on two sides of the tank body plate, the whole fermentation tank has a tank body structure with an open top, the bottom of the tank body plate is fixedly connected with a sandwich plate, the gap between the sandwich plate and the tank body plate forms a conduction oil cavity, a side of the conduction oil cavity is communicated with an oil filling device, and the bottom of the conduction oil cavity is communicated with an oil drain device, a plurality of electric heating tubes are arranged in the conduction oil cavity to heat conduction oil therein; the upper cover is provided with an air suction pipe, the air suction pipe is communicated with a fan through a steam discharge pipe, and the fan is connected to a condensing device through a steam feed pipe; the condensing device includes a condensing cylinder, a condensing pipe is arranged in the condensing cylinder, cooling water circulates in the condensing pipe, and the condensing cylinder is communicated with a condensed water tank.
As a further technical solution, the tank body plate is formed by connecting two vertical plates and the bottom arc plate, the sandwich plate is semicircular, and two ends of the sandwich plate are fixed at bottoms of the two vertical plates.
As a further technical solution, the electric heating tubes are arranged in the length direction of the fermentation tank, and the plurality of electric heating tubes are symmetrically distributed along a center plane of the length direction of the fermentation tank; the electric heating tubes are connected to a power supply, and the power supply is connected to a controller, a material temperature sensor is arranged on a side of the tank body plate, a conduction oil temperature sensor is arranged at a lower part of the sandwich plate, and both the material temperature sensor and the conduction oil temperature sensor are connected to the controller.
As a further technical solution, the plurality of electric heating tubes are arranged in parallel, and the angle between connecting lines of centers of the adjacent electric heating tubes and a center of the arc plate is 8°-10°. As a further technical solution, an outer side of the tank body plate is covered with a tank body insulation layer, the tank body insulation layer includes a fermentation tank body insulation plate, the fermentation tank body insulation plate is provided with an insulation material, and the fermentation tank body insulation plate is fixed on the outer side of the tank body plate by insulation plate fixing steel belts.
As a further technical solution, a side plate insulation layer is fixedly arranged on an outer side of the side plate, the side plate insulation layer includes a fermentation tank side insulation plate, and the fermentation tank side insulation plate is provided with an insulation material.
As a further technical solution, the upper cover includes an upper cover outer layer and an upper cover inner layer, an insulation layer is arranged between the upper cover outer layer and the upper cover inner layer, two sides of both the upper cover outer layer and the upper cover inner layer are connected to upper cover side plates, and the upper cover side plates are arranged at the top of the fermentation tank; the upper cover is fastened on the top of the fermentation tank, and sealing strips are arranged between the upper cover and the fermentation tank. As a further technical solution, a crushing and stirring device is arranged in the fermentation tank along the length, the crushing and stirring device is connected with a motor, and the motor drives the crushing and stirring device to rotate. As a further technical solution, two rows of fixed blade sets are arranged inside the tank body plate, each row of fixed blade set includes a plurality of fixed blades arranged in sequence along the length of the tank body plate, and the fixed blades are arranged at a lateral lower part of the crushing and stirring device; the two rows of fixed blade sets are symmetrically distributed along the center plane of the length direction of the fermentation tank, and the fixed blades and the center plane of the length direction of the fermentation tank form set angles. As a further technical solution, the condensing pipe is in the form of a coil, the top of the condensing pipe is provided with a cooling water inlet that is communicated with a cooling water inlet pipe, the cooling water inlet pipe is connected to a submersible pump, and the submersible pump is placed in cooling water of a cooling water tank; the bottom of the condensing pipe is provided with a cooling water outlet that is communicated with a cooling water outlet pipe, and the cooling water outlet pipe is communicated with the cooling water tank.
As a further technical solution, the cooling water tank 1s also connected to a chiller through a cooled water outlet pipe and a cooled water inlet pipe, and the chiller cools 5 the cooling water in the cooling water tank.
As a further technical solution, the top of the condensing cylinder is provided with a steam inlet that is communicated with the steam feed pipe, the bottom of the condensing cylinder is provided with a condensed water outlet that is communicated with a condensed water drain pipe, and the condensed water drain pipe is connected to the condensed water tank.
As a further technical solution, the air suction pipe is arranged horizontally, and the air suction pipe is provided with a plurality of air suction holes at intervals.
As a further technical solution, a breathing valve is installed at the top of the upper cover inner layer, the air suction pipe is fixedly arranged on the upper cover side plates, and the connection positions of the air suction pipe and the upper cover side plates are sealed.
A second object of the present disclosure is to propose a working method of the above-mentioned harmless treatment equipment for livestock and poultry dead of disease, including the following steps: adding conduction oil to the conduction oil cavity from the oil filling device, wherein the excess conduction oil can be drained by the oil drain device; controlling heating of the electric heating tubes, so as to keep the temperature of the conduction oil at 125°C-130°C, and keep the temperature of materials in the fermentation tank at 80°C-90°C; ending after the heating and insulation process lasts for a set time, and discharging the materials in the fermentation tank; monitoring the temperature of the materials in the fermentation tank, and controlling the fan and the submersible pump to start when the temperature of the materials reaches a set value; sucking steam in the fermentation tank into the condensing cylinder of the condensing device by the air suction pipe via the fan, and bringing the steam into contact with the condensing pipe; exchanging heat between the steam and the circulating cooling water in the condensing pipe, and collecting, by the condensed water tank, condensed water formed after condensation.
Beneficial effects of the present disclosure: According to the harmless treatment equipment of the present disclosure, conduction oil is heated by means of electric heating tubes, and the conduction oil transfers heat to heat materials. Electric energy is a clean energy source and does not produce secondary pollution; the electric heating tubes are simple in structure, safe and reliable, and low in cost; the conduction oil is heated uniformly and has high thermal efficiency.
According to the harmless treatment equipment of the present disclosure, the conduction oil is stored and heated by means of a small sandwiched structure below the fermentation tank, the moisture of the materials crushed by the crushing and stirring device is mainly concentrated at the bottom of the fermentation tank, and the small sandwiched heating structure can concentrate heat to heat the moisture, so that the moisture can be quickly evaporated, the moisture content of the materials is reduced, rapid fermentation treatment is achieved, and the energy consumption for harmless treatment can be greatly reduced.
According to the harmless treatment equipment of the present disclosure, the fermentation tank is covered with a rock wool insulation material for heat insulation, the surface of the fermentation tank and the upper cover are covered with an insulation material, and sealing strips are installed between the upper cover and the fermentation tank to form a closed insulation body, so the insulation mode has a simple structure and a good insulation effect, can greatly reduce energy consumption, and is beneficial to promotion and application.
According to the harmless treatment equipment of the present disclosure, the PLC and the temperature sensors achieve linkage and automatic control, the temperature sensors can monitor and feed back the temperatures of the conduction oil and the materials to achieve precise control of the fermentation environment, and the quantity of the turned-on electric heating tubes can also be controlled according to a set time period to achieve off-peak power consumption and reduce treatment costs.
According to the harmless treatment equipment of the present disclosure, the fan is 5 connected with the air suction pipe (with holes) to extract steam, so the collection efficiency is high, the steam can be taken away in time, fresh air can be supplemented, the materials can be quickly fermented, the moisture content of the materials can be reduced, and the energy consumption can be reduced.
According to the harmless treatment equipment of the present disclosure, cooling water circulates in the condensing pipe of the condensing device (the chiller is used when the temperature of the cooling water is high in summer) to condense the steam, so the treatment process and the treatment device are simple, small in investment, high in treatment efficiency, and beneficial to promotion and application.
According to the harmless treatment equipment of the present disclosure, the condensing pipe has a coil structure, and the pitch of the coil is slightly larger than the pipe diameter. This structure can maximize the condensing area and facilitate the circulation of steam, so the condensing efficiency is high, a large amount of steam generated in the high-temperature harmless treatment of livestock and poultry dead of disease can be treated in time, and this structure is the best choice for a steam treatment device of a harmless treatment machine for livestock and poultry dead of disease.
According to the harmless treatment equipment of the present disclosure, the PLC system for automatic control can coordinately control the fermentation tank heating device, the crushing and stirring device, the submersible pump and the fan to work together, so the degree of automation is high.
Brief Description of the Drawings The accompanying drawings constituting a part of the present application are intended to provide a further understanding of the present application, and the illustrative embodiments of the present application and the descriptions thereof are intended to interpret the present application and do not constitute improper limitations to the present application. Fig. 1 is a schematic diagram of an overall structure of harmless treatment equipment; Fig. 2 is a schematic structural diagram of a fermentation tank; Fig. 3 is a side view of the fermentation tank; Fig. 4 is a schematic structural diagram of an oil filling device; Fig. 5 is a schematic structural diagram of an oil drain device; Fig. 6 is a schematic structural diagram of an electric heating tube; Fig. 7 is a schematic structural diagram of an electric heating tube mounting seat; Fig. 8 is a schematic structural diagram of an insulation plate fixing steel belt; Fig. 9 is a schematic structural diagram of a steel belt fixing channel steel; Fig. 10 is a schematic diagram of a steam collection and treatment device of the harmless treatment equipment; Fig. 11 is a bottom view of an upper cover; Fig. 12 is a cross-sectional view of the upper cover; Fig. 13 is a schematic structural diagram of an upper cover inner layer; Fig. 14 is a schematic structural diagram of an upper cover outer layer; Fig. 15 is a schematic structural diagram of an upper cover side plate; Fig. 16 is a schematic structural diagram of an air suction pipe; Fig. 17 is a schematic structural diagram of a condensing device; Fig. 18 is a schematic structural diagram of a condensing pipe. In the figures: 1. Fermentation tank, 1-1. Front side plate of the fermentation tank, 1-2. Sandwich plate, 1-3. Tank body plate, 1-4. Fixed blade, 1-5. Rear side plate of the fermentation tank, 2. Upper cover, 2-1. Upper cover outer layer, 2-2. Upper cover side plate, 2-3. Upper cover inner layer, 2-4. Air suction pipe, 2-5. Breathing valve, 2-6. Sealing strip, 2-7. Air suction pipe mounting hole, 2-8. Breathing valve mounting hole,
3. Steel belt fixing channel steel, 4. Insulation plate fixing steel belt, 4-1. Stud, 4-2. Steel belt, 5. Insulation plate fixing stud, 6. Oil filling device, 6-1. Vent valve, 6-2. Oil inlet pipe, 6-3. Oil box, 6-4. Oil guide pipe, 6-5. Oil level measuring scale, 7. Crushing and stirring device, 8. Bearing seat, 9. Electric heating tube, 10. Electric heating tube mounting seat, 11. Conduction oil temperature sensor, 12. Material temperature sensor, 13. Fermentation tank body insulation plate, 14. Oil drain device, 14-1. Vertical pipe, 14-2. Elbow, 14-3. Horizontal pipe, 14-4. Internal threaded joint, 14-5. Square head pipe plug, 15. Fermentation tank side insulation plate, 16. Coupling,
17. Reducer, 18. Motor, 19. Steam discharge pipe, 20. Fan, 21. Cooling water inlet pipe, 22. Cooling water outlet pipe, 23. Submersible pump, 24. Cooling water tank, 25. Condensing device, 25-1. Condensing cylinder, 25-2. Steam inlet, 25-3. Condensing pipe, 25-4. Condensed water outlet, 25-5. Cooling water outlet, 25-6. Cooling water inlet, 25-7. Fan mounting channel steel, 26. Steam feed pipe, 27. Condensed water drain pipe, 28. Condensed water tank, 29. Chiller, 30. Water outlet pipe, 31. Water inlet pipe. Detailed Description of Embodiments It should be noted that the following detailed descriptions are exemplary and are intended to provide further descriptions of the present application. All technical and scientific terms used herein have the same meanings as commonly understood by those ordinary skilled in the art to which the present application belongs, unless specified otherwise. It should be noted that the terms used here are merely used for describing specific embodiments, but are not intended to limit the exemplary embodiments of the present invention. As used herein, unless otherwise clearly stated in the context, singular forms are also intended to include plural forms. In addition, it should also be understood that when the terms “contain” and/or “include” are used in the description, it indicates the presence of features, steps, operations, devices, ingredients, and/or combinations thereof. For the convenience of description, the terms “upper”, “lower”, “left” and “right” in the present disclosure only indicate the upper, lower, left and right directions of the drawings, do not limit the structures, are only for the convenience of description and the simplification of description, do not indicate or imply that the devices or elements must have specific directions or be constructed and operated in specific directions,
and therefore cannot be understood as limitations to the present disclosure. As described in the background, there are shortcomings in the prior art. In order to solve the above technical problems, the present application proposes harmless treatment equipment for livestock and poultry dead of disease.
Embodiment 1 Harmless treatment equipment disclosed in this embodiment will be further described below with reference to Fig. 1 to Fig. 18. Harmless treatment equipment for livestock and poultry dead of disease includes: a fermentation tank 1, an upper cover 2, a steel belt fixing channel steel 3, insulation plate fixing steel belts 4, insulation plate fixing studs 5, an oil filling device 6, a crushing and stirring device 7, a bearing seat 8, electric heating tubes 9, electric heating tube mounting seats 10, a conduction oil temperature sensor 11, a material temperature sensor 12, a fermentation tank body insulation plate 13, an oil drain device 14, fermentation tank side insulation plates 15, a coupling 16, a reducer 17, a motor 18, a steam discharge pipe 19, a fan 20, a cooling water inlet pipe 21, a cooling water outlet pipe 22, a submersible pump 23, a cooling water tank 24, a condensing device 25, a steam feed pipe 26, a condensed water drain pipe 27, a condensed water tank 28, a chiller 29, a water outlet pipe 30, a water inlet pipe 31, and a PLC control system.
The upper cover 2 is fastened on the fermentation tank 1 to form a closed cavity. The motor 18, the reducer 17, the coupling 16, and the crushing and stirring device 7 are connected in sequence. The crushing and stirring device 7 is installed on the fermentation tank 1 through the bearing seat 8. The motor 18 drives the crushing and stirring device 7 to rotate in the fermentation tank 1 through the reducer 17 and the coupling 16, and to cooperate with fixed blades 1-4 in the fermentation tank 1 to crush, stir and uniformly heat materials.
The 6 electric heating tube mounting seats 10 are welded to a lower part of a front side plate 1-1 of the fermentation tank, the electric heating tubes 9 are installed on the electric heating tube mounting seats 10 through threads, and the installed electric heating tubes 9 are located between a sandwich plate 1-2 and a tank body plate 1-3 of the fermentation tank.
The oil filling device 6 is welded to an upper part of the front side plate 1-1 of the fermentation tank, the oil drain device 14 is welded to the bottom of the sandwich plate 1-2 of the fermentation tank, and the oil filling device 6, the sandwich plate 1-2, the tank body plate 1-3, and the oil drain device 14 form a closed oil storage space, ie. a conduction oil cavity, in which conduction oil is stored.
The conduction oil temperature sensor 11 is installed at a lower part of the sandwich plate 1-2 of the fermentation tank, and the material temperature sensor 12 is installed at a middle part of the tank body plate 1-3 of the fermentation tank; the steel belt fixing channel steel 3 is welded to an upper part of the tank body plate 1-3, and the insulation plate fixing studs 5 are respectively welded to the front side plate 1-1 and a rear side plate 1-5 of the fermentation tank; the fermentation tank body insulation plate 13 is sheathed outside the fermentation tank 1, covered with a 3cm thick rock wool insulation material, and bound on the steel belt fixing channel steel 3 together with nuts through the insulation plate fixing steel belts 4 to form a tank body insulation layer on the outer side of the fermentation tank; and the fermentation tank side insulation plates 15 are covered with a 3cm thick rock wool insulation material, and fixed to the two side plates of the fermentation tank together with nuts through the insulation plate fixing studs 5 to form side plate insulation layers on side faces of the fermentation tank.
The fermentation tank 1 includes a front side plate 1-1 of the fermentation tank, a sandwich plate 1-2, a tank body plate 1-3, fixed blades 1-4, and a rear side plate 1-5 of the fermentation tank.
The whole fermentation tank has a tank structure with an open top.
The bending radii of the tank body plate 1-3 and the sandwich plate 1-2 are the same, the sandwich plate 1-2 is bent into a semicircle and welded under the tank body plate 1-3 by 75 mm down, and the front side plate 1-1 and the rear side plate 1-5 of the fermentation tank are welded on two sides to form a fermentation tank cavity and a conduction oil cavity, wherein the conduction oil cavity is connected to the oil filling device 6 and the oil drain device 14 respectively to form a closed oil storage space.
The tank body plate is formed by connecting two vertical plates and the bottom arc plate, the sandwich plate is semicircular, and two ends of the sandwich plate are fixed at bottoms of the two vertical plates.
Two rows of fixed blades 1-4 are symmetrically welded on an inner side of the tank body plate 1-3 at an angle of 45 degrees along a main axis of the crushing and stirring device 7 and a center plane of the length direction of the tank, a plurality of fixed blades are sequentially arranged in each row along the length of the tank body plate, and the fixed blades are arranged at a lateral lower part of the crushing and stirring device, and work together with the rotating crushing and stirring device 7 to crush livestock and poultry dead of disease.
6 electric heating tube through holes are formed at a lower part of the front side plate 1-1 of the fermentation tank and between the sandwich plate 1-2 and the tank body plate 1-3, connecting lines of centers of every two adjacent through holes and a center of the main axis of the crushing and stirring device 7 form an angle of 9°, and the 6 through holes are symmetrically distributed about the center plane of the length direction of the fermentation tank. The length direction of the fermentation tank is the axial direction of the bottom arc plate of the tank body plate.
One conduction oil filling hole is formed at the lower part of the front side plate 1-1 of the fermentation tank. The filling hole is located between the sandwich plate 1-2 and the tank body plate 1-3, and is connected with an oil guide pipe 6-4 of the oil filling device to form an oil filling pipeline.
A conduction oil drain hole is formed at the lower part of the sandwich plate 1-2 of the fermentation tank, and connected with a vertical pipe 14-1 of the oil drain device to form an oil drain pipeline.
The electric heating tube mounting seat 10 is provided with a sealed internal thread, and is welded to the front side plate 1-1 of the fermentation tank concentrically with the heating tube through hole on the front side plate 1-1 of the fermentation tank.
The single electric heating tube 9 has a power of 3 kW, is provided with a sealed external thread and screwed into the electric heating tube mounting seat 10 for installation, and can be individually controlled to be turned on and off. The electric heating tube is connected with a power supply, the power supply is connected with a controller, and the controller controls whether the electric heating tube 1s heated or not.
The plurality of electric heating tubes are arranged in parallel.
The upper cover 2 includes an upper cover outer layer 2-1, upper cover side plates 2-2, an upper cover inner layer 2-3, an air suction pipe 2-4, a breathing valve 2-5, and sealing strips 2-6.
A rock wool insulation material is filled between the upper cover inner layer 2-3 and the upper cover outer layer 2-1. After filling, the upper cover side plates 2-2 are welded on two sides of the inner and outer layers of the upper cover to form a main body of the upper cover. Welding seams of the upper cover 2 are smeared with a C-2 adhesive for sealing to prevent the escape of steam.
The air suction pipe 2-4 is installed on the upper cover 2 through the upper cover inner layer 2-3 and air suction pipe mounting holes 2-7 on the upper cover side plates 2-2, and the joints are sealed with the C-2 adhesive. The air suction pipe 2-4 is provided with an air suction hole having a diameter of 3 mm every 60 mm, and the steam is sucked out of the fermentation tank 1 through the holes.
Both the upper cover inner layer 2-3 and the upper cover outer layer 2-1 are provided with a breathing valve mounting hole 2-8. The breathing valve 2-5 is mounted on the upper cover inner layer 2-3 by a nut to keep pressure balance inside and outside the fermentation tank 1.
2cm thick sealing strips 2-6 are stuck on four sides of a plane where the lower surface of the upper cover 2 is in contact with the fermentation tank 1 to prevent the escape of steam.
The oil filling device 6 includes a vent valve 6-1, an oil inlet pipe 6-2, an oil box 6-3, an oil guide pipe 6-4, and an oil level measuring scale 6-5.
The vent valve 6-1 1s screwed to the oil inlet pipe 6-2 through threads, the oil inlet pipe 6-2 is welded to the oil box 6-3 from above, the oil guide pipe 6-4 is welded to the oil box 6-3 from below, upper and lower parts of the oil box 6-3 are respectively provided with an oil inlet and an outlet hole that are communicated with the oil inlet pipe 6-2 and the oil guide pipe 6-4, and a lower orifice of the oil guide pipe 6-4 is connected with the conduction oil filling hole at the lower part of the front side plate 1-1 of the fermentation tank.
The oil level measuring scale 6-5 can replace the vent valve 6-1 and be screwed to the oil inlet pipe. The oil level measuring scale 6-5 has scales for measuring the liquid level of conduction oil.
The oil drain device 14 includes a vertical pipe 14-1, an elbow 14-2, a horizontal pipe 14-3, an internal threaded joint 14-4, and a square head pipe plug 14-5. The vertical pipe 14-1, the elbow 14-2, the horizontal pipe 14-3, and the internal threaded joint 14-4 are sequentially welded together. The square head pipe plug 14-5 is screwed into the internal threaded joint 14-4 through a thread, and the vertical pipe 14-1 is connected with the oil drain hole at the lower part of the sandwich plate 1-2 of the fermentation tank.
The internal threaded joint 14-4 has a sealed pipe thread, which can prevent the leakage of conduction oil.
The insulation plate fixing steel belt 4 includes a steel belt 4-2 and studs 4-1, and the studs 4-1 are welded to two ends of the steel belt 4-2.
The steel belt fixing channel steel 3 is provided with round holes, and the studs 4-1 on the insulation plate fixing steel belt 4 pass through the round holes and are fastened with bolts.
The material temperature sensor 12 is a platinum thermal resistance temperature sensor, which monitors and feeds back the temperature of materials to a PLC in real time.
The conduction oil temperature sensor 11 is a platinum thermal resistance temperature sensor, which monitors and feeds back the temperature of conduction oil to the PLC in real time.
The conduction oil temperature sensor is installed at the lower part of the sandwich plate 1-2 of the fermentation tank, and the material temperature sensor is installed at the middle part of the tank body plate 1-3 of the fermentation tank.
In the fermentation tank, the steam generated during the high-temperature fermentation of materials is treated by a collection and treatment device. One end of the steam discharge pipe 19 is connected to the air suction pipe 2-4 of the upper cover 2, and the other end is connected to an air inlet of the fan 20. An air outlet of the fan 20 is connected to a steam inlet 25-2 of the condensing device 25 through the steam feed pipe 26. When the fan works, the steam enters the condensing device through the air suction pipe 2-4, the steam discharge pipe 19, the fan 20 and the steam feed pipe
26. A condensed water outlet 25-4 of the condensing device 25 is connected to the condensed water tank 28 through the condensed water drain pipe 27. Cooling water formed after cooling in a condensing cylinder 25-1 of the condensing device 25 enters the condensed water tank 28 through the condensed water outlet 25-4 of the condensing device and the condensed water drain pipe 27. A cooling water inlet 25-6 of the condensing device 25 is connected to the submersible pump 23 through the cooling water inlet pipe 21, the submersible pump 23 is placed in the cooling water of the cooling water tank 24, and a cooling water outlet 25-5 of the condensing device 25 is connected to the cooling water tank 24 through the cooling water outlet pipe 22. When the submersible pump 23 works, the cooling water circulates among the cooling water inlet pipe 21, a condensing pipe 25-3, the cooling water outlet pipe 22 and the cooling water tank 24. The cooling water tank 24 is connected to the chiller 29 through the water outlet pipe 30 and the water inlet pipe 31. When the chiller works, the cooled cold water circulates between the cooling water tank and the chiller through the water outlet pipe and the water inlet pipe. The condensing device 25 includes a condensing cylinder 25-1, a steam inlet 25-2, a condensing pipe 25-3, a cooling water outlet 25-5, a condensed water outlet 25-4, a cooling water inlet 25-6, and a fan mounting channel steel 25-7. The steam inlet 25-2, the cooling water outlet 25-5, the condensed water outlet 25-4, the cooling water inlet 25-6, and the fan mounting channel steel 25-7 are respectively welded to the condensing cylinder 25-1, and the condensing pipe 25-3 is installed in the condensing cylinder 25-1. The condensing pipe 25-3 is a stainless steel coil with an outer diameter of 40 mm, a wall thickness of 2 mm, and a pitch of 42 mm. Cooling water circulates in the condensing pipe 25-3 to condense the steam.
The fan 20 is a high-pressure fan with a maximum exhaust and suction volume of 140 m’/h, a rated suction pressure of -100 mpa, and a rated exhaust pressure of 100 mpa. The fan runs for 6 minutes and stops for 1 minute to prevent overload. The fan 20 is fixedly mounted on the fan mounting channel steel 25-7.
The PLC control system can coordinately control the fermentation tank heating device, the crushing and stirring device, the submersible pump 23 and the fan 20 to work together.
A heating and insulation method for the harmless treatment equipment according to the present disclosure includes the following steps: (1) Conduction oil is slowly added from the oil inlet pipe 6-2 of the oil filling device 6, and the conduction oil enters the conduction oil cavity through the oil guide pipe 6-4; when the oil level rises to an upper middle position of the oil box 6-3, the oil level measuring scale 6-5 is tightened on the oil inlet pipe 6-2 to measure the liquid level of the conduction oil; oil filling is stopped when the oil level is between 10-100 scales (excess oil can be drained by the oil drain device 14), the oil level measuring scale 6-5 is unscrewed, and the vent valve 6-1 is tightened on the oil inlet pipe 6-2; (2) A heating switch of the PLC is started, the electric heating tubes 9 start heating, and the material temperature sensor 12 and the conduction oil temperature sensor 11 monitor and feed back temperature data; when the temperature of the conduction oil reaches 130°C, the electric heating tubes 9 stop heating; when the temperature is less than 125°C, the electric heating tubes 9 reheat to keep the temperature of the conduction oil always at 125°C-130°C and the temperature of the materials at 80°C-90°C; (3) After the above heating and insulation process lasts for 12 hours, the materials in the fermentation tank 1 can be discharged. After the equipment works continuously for 30 days, the liquid level of the conduction oil needs to be checked with the oil level measuring scale 6-5. If the liquid level is too low, the conduction oil needs to be refilled in time.
A steam collection method for the harmless treatment equipment according to the present disclosure includes the following steps:
(1) Parameters of the PLC control system are set, and the starting condition of the fan 20 is set as the temperature of the materials in the fermentation tank reaches 80°C or the heating device in the fermentation tank heats the materials for 2 hours, the livestock and poultry dead of disease are degraded by fermentation bacteria, without odor; the starting condition of the submersible pump 23 is set to start synchronously with the fan; (2) The heating device and the crushing and stirring device in the fermentation tank are started; when the above conditions are satisfied, the fan 20 and the submersible pump 23 are started, steam is sucked in through the holes on the air suction pipe 2-4, enters the inlet of the fan 20 through the steam discharge pipe 19, and enters the steam inlet 25-2 of the condensing device 25 from the outlet of the fan 20 through the steam feed pipe 26, the steam enters the condensing cylinder 25-1 and contacts the condensing pipe 25-3, meanwhile, cooling water is lifted by the submersible pump 23, enters the cooling water inlet 25-6 of the condensing device 25 from the cooling water tank 24 through the cooling water inlet pipe 21 to enter the condensing pipe 25-3, then enters the cooling water tank 24 from the cooling water outlet 25-5 of the condenser device 25 through the cooling water outlet pipe 22, and circulates; the steam is condensed into condensed water after contacting the condensing pipe 25-3, the condensed water enters the condensed water tank 28 from the condensed water outlet 25-4 at the bottom of the condensing cylinder 25-1 through the condensed water drain pipe 27, and the collection and treatment of the steam are completed.
In summer, when the temperature of the cooling water rises and the condensation efficiency decreases, the chiller 29 needs to be activated.
The chiller 29 can cool the cooling water.
The cooling water circulates between the cooling water tank 24 and the chiller 29 through the water outlet pipe 30 and the water inlet pipe 31, thereby reducing the water temperature.
Although the specific embodiments of the present disclosure are described above in combination with the accompanying drawing, the protection scope of the present disclosure is not limited thereto.
It should be understood by those skilled in the art that various modifications or variations could be made by those skilled in the art based on the technical solution of the present disclosure without any creative effort, and these modifications or variations shall fall into the protection scope of the present disclosure.
Described above are merely preferred embodiments of the present application, and the present application is not limited thereto.
Various modifications and variations may be made to the present application for those skilled in the art.
Any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application shall fall within the protection scope of the present application.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234397.XA CN110883064A (en) | 2019-12-05 | 2019-12-05 | Heating and heat-insulating device and method for harmless treatment machine for livestock and poultry died of diseases |
| CN201911234404.6A CN111299297A (en) | 2019-12-05 | 2019-12-05 | Steam collecting and treating device and method of harmless treatment machine for livestock and poultry died of diseases |
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| Publication Number | Publication Date |
|---|---|
| NL2027019A true NL2027019A (en) | 2021-08-11 |
| NL2027019B1 NL2027019B1 (en) | 2021-12-14 |
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| NL2027019A NL2027019B1 (en) | 2019-12-05 | 2020-12-01 | Harmless treatment equipment for livestock and poultry dead of disease |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064345A (en) * | 2006-09-05 | 2008-03-21 | Miike Iron Works Co Ltd | Drying device |
| CN109848189A (en) * | 2019-04-03 | 2019-06-07 | 海盐机械设备制造有限公司 | A kind of kitchen garbage fermenting case of homogeneous heating |
| CN209303427U (en) * | 2018-11-15 | 2019-08-27 | 潍坊大地金属制造有限公司 | Dead livestock and poultry harmless treatment device |
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2020
- 2020-12-01 NL NL2027019A patent/NL2027019B1/en active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064345A (en) * | 2006-09-05 | 2008-03-21 | Miike Iron Works Co Ltd | Drying device |
| CN209303427U (en) * | 2018-11-15 | 2019-08-27 | 潍坊大地金属制造有限公司 | Dead livestock and poultry harmless treatment device |
| CN109848189A (en) * | 2019-04-03 | 2019-06-07 | 海盐机械设备制造有限公司 | A kind of kitchen garbage fermenting case of homogeneous heating |
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| NL2027019B1 (en) | 2021-12-14 |
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