CN111153716A - Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof - Google Patents

Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof Download PDF

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Publication number
CN111153716A
CN111153716A CN202010129400.8A CN202010129400A CN111153716A CN 111153716 A CN111153716 A CN 111153716A CN 202010129400 A CN202010129400 A CN 202010129400A CN 111153716 A CN111153716 A CN 111153716A
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CN
China
Prior art keywords
main shell
welded
heat exchanger
shell
tank
Prior art date
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Pending
Application number
CN202010129400.8A
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Chinese (zh)
Inventor
李明亮
陆从相
赵国良
王淼
沈维峰
马彦炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yuexing General Equipment Co ltd
Yancheng Institute of Industry Technology
Yancheng Vocational Institute of Industry Technology
Original Assignee
Jiangsu Yuexing General Equipment Co ltd
Yancheng Institute of Industry Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jiangsu Yuexing General Equipment Co ltd, Yancheng Institute of Industry Technology filed Critical Jiangsu Yuexing General Equipment Co ltd
Priority to CN202010129400.8A priority Critical patent/CN111153716A/en
Publication of CN111153716A publication Critical patent/CN111153716A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06Apparatus for the manufacture
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a heat exchanger for a livestock and poultry manure aerobic fermentation tank and an operation process thereof, wherein the heat exchanger comprises a main shell, an upper cover, a partition plate and a lower shell, wherein the partition plate is respectively welded at the top end and the bottom end of the main shell, the upper cover is arranged at the top end of the main shell, and the lower shell is arranged at the bottom end of the main shell; a waste gas output pipeline is welded at the top end of the upper cover; more than one heat exchange tube is welded between the clapboards at the top end and the bottom end of the main shell; the bottom of the lower shell is provided with 4 small upright posts for supporting, and the upper end of the lower shell is inwards concaved into a funnel shape and is hollow; the main shell is taken as a main visual angle and is divided into four directions, namely a front direction, a rear direction, a left direction and a right direction, a tank power chamber gas access pipeline is welded below the front part of the side wall of the main shell, and an access power chamber fan supply pipeline is welded above the rear part of the side wall of the main shell; the top of the tank is welded with a hot gas access pipeline. The heat exchanger can provide heat for continuous fermentation by using waste gas heat generated after fermentation, so that waste is changed into valuable, and energy is saved.

Description

Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a heat exchanger for an aerobic fermentation tank of livestock and poultry manure and an operation process thereof.
Background
The aerobic fermentation of the livestock and poultry manure belongs to biological fermentation, is an application technology widely popularized by China, and is a better method for producing organic fertilizer. In the fermentation process, in order to combine the ferment with the high-temperature bacteria for propagation and fermentation, oxygen with proper temperature needs to be introduced into the livestock manure fermentation tank. The energy consumption cost of the whole fermentation tank equipment accounts for about 20 percent of the total production cost, so the energy-saving and emission-reducing tasks are heavier. At present, the residual heat generated in the fermentation medium sterilization and fermentation processes and the heat generated by fermentation power chambers (turbine air pumps, motors, hydraulic mechanisms and the like) of domestic fermentation tanks of many enterprises are not effectively recycled, so that the great waste of energy resources is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the heat exchanger for the livestock and poultry manure aerobic fermentation tank and the operation process thereof, which can make full use of the waste heat generated in the fermentation process of the fermentation tank and the heat generated by the power chamber, change waste into valuable and save energy.
The invention is realized by the following technical scheme:
a heat exchanger for an aerobic fermentation tank of livestock and poultry manure comprises a main shell, an upper cover, a partition plate and a lower shell, wherein the partition plate is welded at the top end and the bottom end of the main shell respectively;
the upper cover is in a circular truncated cone shape, and a waste gas output pipeline is welded at the top end of the upper cover;
the main shell is cylindrical, and more than one heat exchange tube is welded between the clapboards at the top end and the bottom end of the main shell;
the lower shell is cylindrical, the bottom of the lower shell is provided with 4 small upright posts for supporting, and the upper end of the lower shell is concave into a funnel shape and is hollow inside;
the main shell is taken as a main visual angle and is divided into four directions, namely a front direction, a rear direction, a left direction and a right direction, a tank power chamber gas access pipeline is welded below the front part of the side surface of the main shell, and an access power chamber fan supply pipeline is welded above the rear part of the side surface of the main shell; and a tank top hot gas access pipeline is welded above the right part of the side surface of the lower shell.
Preferably, the main shell and the upper cover, and the main shell and the lower shell are fixedly connected through flanges.
Preferably, the flange is provided with 20 evenly distributed holes with the diameter of 14 mm.
Preferably, 121 through holes with the diameter of 38mm are formed in the partition plate, each longitudinal row of holes is in a linear array, the holes between every two rows are arranged in a staggered mode, and the number of the heat exchange tubes is 121, and the heat exchange tubes correspond to the through holes.
Preferably, the heat exchange tube is made of aluminum, the heat exchange tube is hollow inside, the middle of the tube body is large, two ends of the tube body are small, the tube body is wrapped by an aluminum external thread tube, two ends of the tube can be respectively inserted into the through holes in the partition plate, and the tube body and the partition plate are welded into a whole.
A running process of a heat exchanger for an aerobic fermentation tank of livestock and poultry manure comprises the following steps: hot waste gas generated by fermentation in the fermentation tank enters the heat exchange tube through a tank top hot gas access pipeline, the heat exchange tube absorbs heat in the hot waste gas, and then the waste gas is discharged through a waste gas output pipeline and enters a subsequent device; the air sucked from the tank power chamber enters the main shell of the heat exchanger through the air access pipeline of the tank power chamber, takes away the heat on the heat exchange pipe, and enters the air supply pipeline of the power chamber for the hot oxygen required by the subsequent fermentation.
The invention has the following beneficial effects:
compared with the prior art, the heat exchanger for the livestock and poultry manure aerobic fermentation tank fully utilizes the waste gas heat generated after fermentation to provide heat for continuous fermentation, changes waste into valuable and saves energy; the heat exchanger has the advantages of simple working principle, reasonable structure, simple operation, low manufacturing cost, quick installation, convenient maintenance and contribution to popularization and application.
Drawings
FIG. 1 is a front view of a heat exchanger for an aerobic fermentation tank for livestock and poultry manure;
FIG. 2 is a left side view of a heat exchanger for the aerobic fermentation tank for livestock and poultry manure;
FIG. 3 is a top view of the aerobic fermentation tank with the top cover removed by a heat exchanger;
in the figure: 1. an exhaust gas output pipe; 2. an upper cover; 3. a main housing; 4. a partition plate; 5. the hot gas on the top of the tank is connected into a pipeline; 6. a lower case; 7. a heat exchange pipe; 8. the gas of the tank power chamber is connected into a pipeline; 9. connecting to a power room air supply fan pipeline; 10. a through hole.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
Example 1
A heat exchanger for an aerobic fermentation tank for livestock and poultry manure, as shown in figure 1, comprises a main shell 3, an upper cover 2, a partition plate 4 and a lower shell 6, wherein the partition plate 4 is welded on the top end and the bottom end of the main shell 3 respectively, the upper cover 2 is arranged on the top end of the main shell 3, and the lower shell 6 is arranged on the bottom end of the main shell 3.
The upper cover 2 is in a circular truncated cone shape, a flange is welded on the lower portion of the upper cover, and a short pipe with the diameter of 250mm is welded on the top end of the upper cover and is used for being connected with the waste gas output pipeline 1.
The main casing 3 is cylindrical, and flanges are welded on the casing at the top end and the bottom end of the main casing.
The inferior valve 6 is cylindric, and its upper portion welding has the flange, and its bottom is provided with 4 little stands and is used for supporting, and its upper end indent becomes to leak hopper-shaped, and inside cavity.
Sealing rings are added between the main shell 3 and the upper cover 2 and between the main shell 3 and the lower shell 6 and are connected through respective flanges of the sealing rings by bolts. The flanges are provided with 20 holes which are uniformly distributed and have the diameter of 14 mm.
As shown in fig. 2, 121 heat exchange tubes 7 are welded between the partition plates 4 at the top end and the bottom end of the main shell 3; as shown in fig. 3, 121 through holes 10 with a diameter of 38mm are formed in the partition plate 4, each longitudinal row of holes is in a linear array, the holes between each two rows are arranged in a staggered manner, and the heat exchange tubes 7 correspond to the through holes 10.
The heat exchange tube 7 is made of aluminum, the interior of the heat exchange tube is hollow, the middle of the tube body is large, the two ends of the tube body are small, the tube body is wrapped by an aluminum external thread tube, the two ends of the tube body can be respectively inserted into the through holes 10 in the partition plate 4, and the two ends of the tube body are welded with the partition plate 4 into a whole.
As shown in fig. 1, the main housing 3 is divided into four directions, i.e., front, rear, left, and right directions. A short pipe with the diameter of 250mm is welded below the front part of the side wall of the main shell 3 and is used for connecting a tank power chamber gas access pipeline 8; a short pipe with the diameter of 160mm is welded above the rear part of the side wall of the main shell 3 and is used for connecting and connecting a power chamber air supply fan pipeline 9; and a short pipe with the diameter of 250mm is welded above the right part of the side wall of the lower shell 6 and is used for connecting the tank top hot gas access pipeline 5.
An operation process of a heat exchanger for an aerobic fermentation tank of livestock and poultry manure comprises the following steps: hot waste gas generated by fermentation in the fermentation tank enters a heat exchange tube 7 through a tank top hot gas access pipeline 5, the heat exchange tube 7 absorbs heat in the hot waste gas, and then the waste gas is discharged through a waste gas output pipeline 1 and enters a subsequent spraying and deodorizing device; the gas sucked from the tank power chamber enters the heat exchanger main shell 3 through the tank power chamber gas access pipeline 8, takes away the heat on the heat exchange tube 7, and enters the power chamber air supply pipeline 9 for the hot oxygen required by the subsequent fermentation.

Claims (6)

1. The heat exchanger for the livestock manure aerobic fermentation tank is characterized by comprising a main shell, an upper cover, a partition plate and a lower shell, wherein the partition plate is welded at the top end and the bottom end of the main shell respectively;
the upper cover is in a circular truncated cone shape, and a waste gas output pipeline is welded at the top end of the upper cover;
the main shell is cylindrical, and more than one heat exchange tube is welded between the clapboards at the top end and the bottom end of the main shell;
the lower shell is cylindrical, the bottom of the lower shell is provided with 4 small upright posts for supporting, and the upper end of the lower shell is concave into a funnel shape and is hollow inside;
the main shell is taken as a main visual angle and is divided into four directions, namely a front direction, a rear direction, a left direction and a right direction, a tank power chamber gas access pipeline is welded below the front part of the side surface of the main shell, and an access power chamber fan supply pipeline is welded above the rear part of the side surface of the main shell; and a tank top hot gas access pipeline is welded above the right part of the side surface of the lower shell.
2. The heat exchanger for the aerobic fermentation tank of livestock and poultry manure according to claim 1, wherein the main shell and the upper cover and the main shell and the lower shell are fixedly connected through flanges.
3. The heat exchanger for the aerobic fermentation tank of livestock and poultry manure according to claim 2, characterized in that the flange is provided with 20 evenly distributed holes with a diameter of 14 mm.
4. The heat exchanger for the aerobic fermentation tank of livestock and poultry manure according to claim 1, characterized in that the partition is provided with 121 through holes with a diameter of 38mm, each longitudinal row of holes is in a linear array, the holes between each two rows are arranged in a staggered manner, and the number of the heat exchange tubes is 121, and the heat exchange tubes correspond to the through holes.
5. The heat exchanger as claimed in claim 4, wherein the heat exchanger tube is made of aluminum, has a hollow interior, a large middle portion and small ends, and is wrapped by an aluminum external thread tube, and the two ends of the tube are inserted into the through holes of the partition plate and welded to the partition plate.
6. The operation process of the heat exchanger for the aerobic fermentation tank of livestock and poultry manure as claimed in claim 1, wherein the hot waste gas generated by fermentation in the fermentation tank enters the heat exchange tube through a tank top hot gas inlet pipeline, the heat exchange tube absorbs heat in the hot waste gas, and then the waste gas is discharged through a waste gas outlet pipeline and enters a subsequent device; the air sucked from the tank power chamber enters the main shell of the heat exchanger through the air access pipeline of the tank power chamber, takes away the heat on the heat exchange pipe, and enters the air supply pipeline of the power chamber for the hot oxygen required by the subsequent fermentation.
CN202010129400.8A 2020-02-28 2020-02-28 Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof Pending CN111153716A (en)

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CN202010129400.8A CN111153716A (en) 2020-02-28 2020-02-28 Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof

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Application Number Priority Date Filing Date Title
CN202010129400.8A CN111153716A (en) 2020-02-28 2020-02-28 Heat exchanger for livestock and poultry manure aerobic fermentation tank and operation process thereof

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Publication Number Publication Date
CN111153716A true CN111153716A (en) 2020-05-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101004337A (en) * 2007-01-15 2007-07-25 高克联管件(上海)有限公司 Heat-transfer pipe in use for strengthening condensation
CN106178929A (en) * 2016-07-11 2016-12-07 湖南屎壳郎环境科技有限公司 A kind of livestock and poultry farm foul smell smoke gas treatment system and method
CN107559889A (en) * 2017-10-17 2018-01-09 王仆 Energy-saving heater
CN207378870U (en) * 2017-10-17 2018-05-18 王仆 Energy-saving heater
CN208711077U (en) * 2018-06-11 2019-04-09 江阴市九鑫节能设备科技有限公司 Multi-way multiple-effect MVR vapo(u)rization system
CN211847720U (en) * 2020-02-28 2020-11-03 盐城工业职业技术学院 Heat exchanger for livestock and poultry manure aerobic fermentation tank

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101004337A (en) * 2007-01-15 2007-07-25 高克联管件(上海)有限公司 Heat-transfer pipe in use for strengthening condensation
CN106178929A (en) * 2016-07-11 2016-12-07 湖南屎壳郎环境科技有限公司 A kind of livestock and poultry farm foul smell smoke gas treatment system and method
CN107559889A (en) * 2017-10-17 2018-01-09 王仆 Energy-saving heater
CN207378870U (en) * 2017-10-17 2018-05-18 王仆 Energy-saving heater
CN208711077U (en) * 2018-06-11 2019-04-09 江阴市九鑫节能设备科技有限公司 Multi-way multiple-effect MVR vapo(u)rization system
CN211847720U (en) * 2020-02-28 2020-11-03 盐城工业职业技术学院 Heat exchanger for livestock and poultry manure aerobic fermentation tank

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