CN112710147A - Waste heat recovery device of airflow dryer for drying modified starch - Google Patents
Waste heat recovery device of airflow dryer for drying modified starch Download PDFInfo
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- CN112710147A CN112710147A CN202011505050.7A CN202011505050A CN112710147A CN 112710147 A CN112710147 A CN 112710147A CN 202011505050 A CN202011505050 A CN 202011505050A CN 112710147 A CN112710147 A CN 112710147A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/006—Separating volatiles, e.g. recovering solvents from dryer exhaust gases
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a waste heat recovery device of an airflow dryer for drying modified starch, which comprises a device rack, a waste heat exchange device, a supercharging device, a heat absorption system and an air inlet device.
Description
Technical Field
The invention belongs to the technical field of modified starch drying, and particularly relates to a waste heat recovery device of an airflow dryer for drying modified starch.
Background
At present, the modified starch drying adopts a traditional airflow dryer drying system, the drying system has high drying efficiency, but still has some problems in the drying process, such as drying waste heat cannot be recovered and is directly discharged into the atmosphere, so that fuel consumption is high, toxic and harmful chemical substances in the modified starch are discharged into the atmosphere along with tail gas during drying, and great pollution is generated to the environment.
Disclosure of Invention
The invention aims to provide a waste heat recovery device of an airflow dryer for drying modified starch, hot air is filtered by multistage oil mist, the oil mist absorbs heat in the hot air, low-viscosity oil in the flowing process quickly takes away the heat until the heat enters a heat-conducting oil tank body, the heat in the heat-conducting oil tank body is pumped into the airflow dryer by a heat-conducting oil exhaust fan, waste heat recovery is further realized, the toxic and harmful substances in the waste heat of the airflow dryer are fully fused with the low-viscosity oil by the multistage oil mist filtration, the toxic and harmful substances in the waste heat are taken away and enter the heat-conducting oil tank body for storage, and the problem that the environment-friendly tail gas of the waste heat meets the emission standard is solved.
The invention discloses a waste heat recovery device of an airflow dryer for drying modified starch, which comprises a device rack, a waste heat exchange device, a supercharging device, a heat absorption system and an air intake device, wherein the device rack is formed by assembling and welding sectional materials, the waste heat exchange device is positioned in the middle of the upper part of the device rack and is fixedly arranged on the device rack through bolts, and comprises a flange base, a waste heat exchange tower, an oil inlet pipe, a sealing flange, oil mist spraying aeration, an oil blocking block, an oil receiving block, an oil outlet pipe and a negative pressure air intake device, the flange base is positioned at the bottom of the waste heat exchange device and is mutually welded and connected with the waste heat exchange tower, the waste heat exchange tower is a square upright column, one end of the waste heat exchange tower is welded and connected with the negative pressure air intake device, the other end of the waste heat exchange tower is welded and fixedly connected with the flange, pass sealing flange, spout aeration threaded connection with the oil mist, sealing flange passes through welded fastening in the both sides of waste heat exchange tower, the aeration is spouted through being threaded connection form with the oil inlet pipe to oil mist fixed, the oil blocking piece is located the below that the aeration was spouted to the oil mist, and with the inner wall welded fastening of waste heat exchange tower, it is L shape to connect the oil blocking piece, and with the oil blocking piece dislocation arrangement, and with the inner wall welded fastening of waste heat exchange tower, the oil pipe is located and connects oil blocking piece department, and with waste heat exchange tower welded fastening, negative pressure air suction device is located the upper portion of surplus heat exchange device, and with the top welded fastening of waste heat exchange tower, including blocking layer, buffering throat lock, flange and negative pressure air exhauster, blocking layer welded fastening is at the inner wall of waste heat exchange tower, the one end and the waste heat exchange tower seal welding of buffering throat, the other end and flange welded fastening, the connecting flange is positioned between the buffer lock throat and the negative pressure exhaust fan, the negative pressure exhaust fan is in threaded connection with the connecting flange and is fixed, the supercharging device is provided with 2 devices and positioned on two sides of the waste heat exchange device, the supercharging device comprises a support frame, a supercharging mechanism and a supercharging pipeline system, the support frame is a component for mutually welding sectional materials, the supercharging mechanism is positioned on the upper part of the support frame and comprises a micro-motion cylinder, a supercharging transverse rod, step fixed blocks, a micro-motion spring seat, an extension spring, a guide block and a guide rod, the micro-motion cylinder is fixedly installed on the supercharging transverse rod through bolts, two ends of the supercharging transverse rod are all in welded connection with the guide rod, the step fixed blocks are provided with 2 devices and are respectively in welded connection with the supercharging transverse rod and the support frame, one end of the micro-motion spring, the extension spring is arranged on the micro-motion spring seat, the guide blocks are all fixedly arranged on the support frame through bolts, 2 guide rods are arranged and are all welded with the pressurizing cross rod, 2 pressurizing pipeline systems are arranged and comprise a cooling oil pipe, a device shell, a pressurizing oil cylinder, a cylinder barrel fixing seat, a heat conduction oil pipe, a heat conduction oil branch pipe, a cooling oil branch pipe, a pressurized oil pipe and a piston, one end of the cooling oil pipe is connected with the heat conduction oil tank body, the other end of the cooling oil pipe is connected with the pressurizing oil cylinder, the device shell is fixedly connected with the device rack in a welding mode, the pressurizing oil cylinder is fixedly arranged on the cylinder barrel fixing seat through bolts and is in sealed sliding connection with the guide rods, one end of the cylinder barrel fixing seat is in threaded connection with the bottom of the pressurizing oil cylinder, the other end of the cylinder barrel fixing seat is fixedly welded with the, one end of the heat conduction oil branch pipe is connected with the heat conduction oil pipe, the other end of the heat conduction oil branch pipe is connected with the oil outlet pipe, one end of the cooling oil branch pipe is connected with the oil inlet pipe, the other end of the cooling oil branch pipe is connected with the oil pipe after pressurization, the oil pipe after pressurization is connected with the cooling oil branch pipe, one end of the oil pipe is connected with the pressurization oil cylinder, the piston is positioned in the pressurization oil cylinder, one end of the piston is fixedly connected with the guide rod through threads, the heat absorption system comprises 2 heat conduction oil tank bodies, a heat conduction oil exhaust fan, an oil pump, a temperature and liquid integrated measuring instrument and a pipe frame, the heat conduction oil tank bodies are positioned on the device rack, the heat conduction oil exhaust fans are 2 in number and are fixedly arranged on the upper part of the heat conduction oil tank bodies through bolts, the oil pumps are fixedly arranged between the cooling oil pipes through flange type, the other end is connected and fixed with a cooling oil pipe.
Preferably, a gap of 20-30mm is always reserved between the oil baffle block and the L-shaped bending plate of the oil receiving block.
Preferably, the oil mist exposed by the oil mist spray aeration spray just passes through the oil blocking block, and the oil mist completely covers the oil receiving block.
Preferably, the oil blocking blocks and the oil receiving blocks are arranged in a plurality of groups in the waste heat exchange tower to form multi-stage filtration.
The utility model provides a pneumatic dryer waste heat recovery device for modified starch is dry, its theory of operation: the tail gas that comes out from the air current desiccator has a large amount of waste heat, then the waste heat gets into from hot blast blowpipe apparatus, and the negative pressure air exhauster adsorbs tail gas to the waste heat exchange device in simultaneously, and tail gas is through multistage oil smoke filtration in the waste heat exchange device to finally discharge in the atmosphere through the negative pressure air exhauster.
Generation of oil mist: the low-viscosity oil stored in the heat-conducting oil tank body is conveyed into the pressurizing oil cylinder under the combined action of the cooling oil pipe and the oil pump, the guide rod pushes the pressurizing cross rod to stably move downwards in the micro-cylinder under the combined action of the micro-spring seat and the extension spring, the guide rod and the piston are integrated, the piston moves downwards, the low-viscosity oil is impacted by the piston, the pressure is increased, the low-viscosity oil enters the oil mist spraying aeration in the waste heat exchange tower through the pressurized oil pipe and the cooling oil branch pipe, and the low-viscosity oil is sprayed out after the oil mist spraying aeration to generate oil mist.
And the low-viscosity oil flows back, the oil mist is sprayed on the oil receiving block to form accumulation, and then the oil mist flows back into the heat-conducting oil tank body through the oil outlet pipe, the heat-conducting oil branch pipe and the heat-conducting oil pipe.
The invention has the following beneficial effects:
the invention relates to a waste heat recovery device of an airflow dryer for drying modified starch, which adopts the technical scheme that:
(1) hot air is filtered by the multistage oil mist, the oil mist absorbs heat in the hot air, low-viscosity oil in the flow rapidly takes away the heat until the heat enters the heat-conducting oil tank body, and the heat in the heat-conducting oil tank body is pumped into the air flow dryer by the heat-conducting oil exhaust fan, so that waste heat recovery is realized.
(2) Through multistage oil mist filtration, the toxic and harmful substances in the waste heat of the airflow dryer are fully fused with the low-viscosity oil, the toxic and harmful substances in the waste heat are taken away and enter the heat-conducting oil tank body for storage, and the problem that the environmental protection of the waste heat tail gas reaches the emission standard is solved.
Drawings
FIG. 1 is a schematic structural diagram of a waste heat recovery device of an airflow dryer for drying modified starch according to the present invention;
FIG. 2 is a schematic structural diagram of a waste heat exchange device of a waste heat recovery device of an airflow dryer for drying modified starch according to the present invention;
FIG. 3 is a schematic structural diagram of a supercharging device of the waste heat recovery device of the pneumatic dryer for drying modified starch according to the present invention;
FIG. 4 is a schematic diagram of a supercharging mechanism of the waste heat recovery device of the pneumatic dryer for drying modified starch according to the present invention;
FIG. 5 is a schematic structural diagram of a pressurization pipeline system of the waste heat recovery device of the pneumatic dryer for drying modified starch according to the present invention;
FIG. 6 is a schematic diagram of the structure of a heat absorption system of the waste heat recovery device of the pneumatic dryer for drying modified starch.
In the figure, 1, a device rack, 2, a waste heat exchange device, 3, a supercharging device, 4, a heat absorption system, 5, an air inlet device, 6, low-viscosity oil, 21, a flange base, 22, a waste heat exchange tower, 23, an oil inlet pipe, 24, a sealing flange, 25, oil mist spraying aeration, 26, an oil blocking block, 27, an oil receiving block, 28, an oil outlet pipe, 29, a negative pressure air suction device, 29-1, a blocking layer, 29-2, a buffer locking throat, 29-3, a connecting flange, 29-4, a negative pressure exhaust fan, 31, a support frame, 32, a supercharging mechanism, 32-1, a micro-motion cylinder, 32-2, a supercharging cross rod, 32-3, a step fixing block, 32-4, a micro-motion spring seat, 32-5, a tension spring, 32-6, a guide block, 32-7, a guide rod, 33, a supercharging pipeline system, 33-1, a cooling oil pipe, 33, 33-2 parts of a device shell, 33-3 parts of a pressurizing oil cylinder, 33-4 parts of a cylinder barrel fixing seat, 33-5 parts of a heat conducting oil pipe, 33-6 parts of a heat conducting oil branch pipe, 33-7 parts of a cooling oil branch pipe, 33-8 parts of a pressurizing rear oil pipe, 33-9 parts of a piston, 41 parts of a heat conducting oil tank body, 42 parts of a heat conducting oil exhaust fan, 43 parts of an oil pump, 44 parts of a temperature and liquid integrated measuring instrument and 45 parts of a pipe frame.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1 to 2, an airflow dryer waste heat recovery device for drying modified starch comprises a device rack 1, a waste heat exchange device 2, a supercharging device 3, a heat absorption system 4 and an air intake device 5, wherein the device rack 1 is formed by assembling and welding sectional materials, the waste heat exchange device 2 is positioned in the middle of the upper part of the device rack 1 and is fixed on the device rack 1 through bolts, the device comprises a flange base 21, a waste heat exchange tower 22, an oil inlet pipe 23, a sealing flange 24, an oil mist spraying and aerating device 25, an oil blocking block 26, an oil receiving block 27, an oil outlet pipe 28 and a negative pressure air suction device 29, the flange base 21 is positioned at the bottom of the waste heat exchange device 2 and is welded with the waste heat exchange tower 22, the waste heat exchange tower 22 is a square column, one end of the waste heat exchange tower is welded with the negative pressure air suction device 29, and the other end of the waste heat exchange, the oil inlet pipe 23 is distributed at two sides of the waste heat exchange tower 22 in a staggered manner, penetrates through the sealing flange 24, is in threaded connection with the oil mist spraying aeration 25, the sealing flange 24 is fixed at two sides of the waste heat exchange tower 22 through welding, the oil mist spraying aeration 25 is fixed with the oil inlet pipe 23 in a threaded connection manner, the oil blocking block 26 is positioned below the oil mist spraying aeration 25 and is welded and fixed with the inner wall of the waste heat exchange tower 22, the oil receiving block 27 is L-shaped, is in staggered arrangement with the oil blocking block 26 and is welded and connected with the inner wall of the waste heat exchange tower 22, the oil outlet pipe 28 is positioned at the oil receiving block 27 and is fixedly connected with the waste heat exchange tower 22 through welding, the negative pressure air suction device 29 is positioned at the upper part of the waste heat exchange device 2 and is fixedly connected with the top of the waste heat exchange tower 22 through welding, and comprises a blocking layer 29-1, a buffer locking throat 29-2, a connecting flange 29-3 and a negative pressure exhaust fan 29-, block layer 29-1 welded fastening and at the inner wall of waste heat exchange tower 22, buffer lock throat 29-2's one end and waste heat exchange tower 22 seal weld, the other end and flange 29-3 welded fastening, flange 29-3 is located between buffer lock throat 29-2 and the negative pressure air exhauster 29-4, negative pressure air exhauster 29-4 is threaded connection fixed with flange 29-3, supercharging device 3 has 2, and is located waste heat exchange device 2's both sides, including support frame 31, supercharging mechanism 32 and supercharging pipe-line system 33, support frame 31 is the subassembly of section bar mutual welding, supercharging mechanism 32 is located the upper portion of support frame 31, including fine motion cylinder 32-1, supercharging horizontal pole 32-2, step fixed block 32-3, fine motion spring holder 32-4, The device comprises an extension spring 32-5, a guide block 32-6 and a guide rod 32-7, wherein a micro-motion cylinder 32-1 is fixedly installed on a pressurizing cross rod 32-2 through bolts, two ends of the pressurizing cross rod 32-2 are both connected with the guide rod 32-7 in a welding manner, 2 step fixing blocks 32-3 are respectively fixedly connected with the pressurizing cross rod 32-2 and a support frame 31 in a welding manner, one end of a micro-motion spring seat 32-4 is fixedly connected with the pressurizing cross rod 32-2 through bolts, the other end of the micro-motion spring seat is fixedly connected with the support frame 31 through bolts, the extension spring 32-5 is installed on the micro-motion spring seat 32-4, the guide block 32-6 is fixedly installed on the support frame 31 through bolts, 2 guide rods 32-7 are respectively connected with the pressurizing cross rod 32-2 in a welding manner, the number of the pressurization pipeline systems 33 is 2, the pressurization pipeline systems comprise cooling oil pipes 33-1, device shells 33-2, pressurization oil cylinders 33-3, cylinder barrel fixing seats 33-4, heat conduction oil pipes 33-5, heat conduction oil branch pipes 33-6, cooling oil branch pipes 33-7, pressurized oil pipes 33-8 and pistons 33-9, one end of each cooling oil pipe 33-1 is connected with a heat conduction oil tank body 41, the pressurization oil cylinders 33-3 at the other end are connected, the device shells 33-2 are fixedly connected with the device rack 1 in a welding mode, the pressurization oil cylinders 33-3 are fixedly arranged on the cylinder barrel fixing seats 33-4 through bolts and are in sealed sliding connection with guide rods 32-7, one ends of the cylinder barrel fixing seats 33-4 are in threaded connection with the bottoms of the pressurization oil cylinders 33-3, and the other ends of the cylinder barrel fixing seats are fixedly, one end of the heat conduction oil pipe 33-5 is respectively connected with the oil outlet pipe 28, and one end is connected with the heat conduction oil tank 41, one end of the heat conduction oil branch pipe 33-6 is connected with the heat conduction oil pipe 33-5, the other end is connected with the oil outlet pipe 28, one end of the cooling oil branch pipe 33-7 is connected with the oil inlet pipe 23, the other end is connected with the pressurized oil pipe 33-8, the pressurized oil pipe 33-8 is connected with the cooling oil branch pipe 33-7, and one end is connected with the pressurized oil cylinder 33-3, the piston 33-9 is positioned in the pressurized oil cylinder 33-3, and one end is fixedly connected with the guide rod 32-7 by screw threads, the heat absorption system 4 comprises the heat conduction oil tank 41, a heat conduction oil exhaust fan 42, an oil pump 43, a warm liquid integrated measuring instrument 44 and a pipe frame 45, and the device is arranged on a device rack 1, 2 heat-conducting oil exhaust fans 42 are arranged and fixed on the upper part of a heat-conducting oil tank body 41 through bolts, 2 oil pumps 43 are arranged and fixed between cooling oil pipes 33-1 through flange type connection and threaded connection, the integrative warm liquid measuring instruments 44 are respectively arranged on one side of the heat-conducting oil tank body 41, one end of the pipe rack 45 is welded and fixed on a device shell body 33-2, and the other end of the pipe rack is connected and fixed with the cooling oil pipe 33-1.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (5)
1. The utility model provides a pneumatic dryer waste heat recovery device for modified starch is dry which characterized in that includes device rack, waste heat exchange device, supercharging device, heat absorption system and hot blast blowpipe apparatus.
2. The waste heat recovery device of claim 1, wherein the waste heat exchanger comprises a flange base, a waste heat exchanger, an oil inlet pipe, a sealing flange, an oil mist spray aerator, an oil blocking block, an oil receiving block, an oil outlet pipe and a negative pressure air suction device, the flange base is located at the bottom of the waste heat exchanger and is welded to the waste heat exchanger, the waste heat exchanger is a square column, one end of the waste heat exchanger is welded to the negative pressure air suction device, the other end of the waste heat exchanger is welded to the flange base, the oil inlet pipe is distributed on two sides of the waste heat exchanger in a staggered manner, penetrates through the sealing flange and is in threaded connection with the oil mist spray aerator, the sealing flange is fixed on two sides of the waste heat exchanger by welding, the oil mist spray aerator is fixed in a threaded connection manner with the oil inlet pipe, and the oil blocking block is located below the oil mist spray aerator, and with the inner wall welded fastening of waste heat exchange tower, it is the L shape to connect the oil piece, and is the dislocation arrangement with keeping off the oil piece, and with the inner wall welded connection of waste heat exchange tower, it is located and connects oil piece department to go out the oil pipe, and with waste heat exchange tower welded fastening connection, the negative pressure induced draft device is located the upper portion of surplus heat exchange device, and with the top welded fastening connection of waste heat exchange tower, including blocking layer, buffering lock larynx, flange and negative pressure air exhauster, block layer welded fastening at the inner wall of waste heat exchange tower, the one end and the waste heat exchange tower seal weld of buffering lock larynx, the other end and flange welded fastening, flange is located between buffering lock larynx and the negative pressure air exhauster, the negative pressure air exhauster is threaded connection fixed with flange.
3. The waste heat recovery device of the airflow dryer for drying the modified starch as claimed in claim 1, wherein the number of the pressurizing devices is 2, and the pressurizing devices are arranged on two sides of the waste heat exchange device and comprise a support frame, a pressurizing mechanism and a pressurizing pipeline system.
4. The waste heat recovery device of the airflow dryer for drying the modified starch as claimed in claim 3, wherein the pressurization mechanism comprises a micro-motion cylinder, a pressurization cross bar, step fixing blocks, a micro-motion spring seat, an extension spring, a guide block and a guide rod, the micro-motion cylinder is fixedly installed on the pressurization cross bar through bolts, two ends of the pressurization cross bar are both welded with the guide rod, the step fixing blocks are 2 and are respectively welded with the pressurization cross bar and the support frame, one end of the micro-motion spring seat is fixedly connected with the pressurization cross bar through bolts, the other end of the micro-motion spring seat is fixedly connected with the support frame through bolts, the extension spring is installed on the micro-motion spring seat, the guide block is fixedly installed on the support frame through bolts, the guide rods are 2 and are all welded with the pressurization cross bar.
5. The waste heat recovery device of claim 3, wherein the number of the pressurization pipeline systems is 2, and the device comprises a cooling oil pipe, a device shell, a pressurization oil cylinder, a cylinder fixing seat, a heat conduction oil pipe, a heat conduction oil branch pipe, a cooling oil branch pipe, a pressurized oil pipe and a piston, wherein one end of the cooling oil pipe is connected with the heat conduction oil tank body, the other end of the cooling oil pipe is connected with the pressurization oil cylinder, the device shell is fixedly welded with the device rack, the pressurization oil cylinder is fixedly installed on the cylinder fixing seat through a bolt and is in sliding connection with the guide rod in a sealing manner, one end of the cylinder fixing seat is in threaded connection with the bottom of the pressurization oil cylinder, the other end of the cylinder fixing seat is fixedly welded with the device rack, one end of the heat conduction oil pipe is respectively connected with the oil outlet pipe, one end of the heat conduction oil pipe is, the other end is connected with an oil outlet pipe, the one end of the cooling oil branch pipe is connected with the oil inlet pipe, the other end is connected with the pressurization rear oil pipe, the pressurization rear oil pipe is connected with the cooling oil branch pipe, one end of the pressurization rear oil pipe is connected with the pressurization oil cylinder, the piston is located the pressurization oil cylinder, and one end of the piston is fixedly connected with the guide rod through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505050.7A CN112710147A (en) | 2020-12-18 | 2020-12-18 | Waste heat recovery device of airflow dryer for drying modified starch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505050.7A CN112710147A (en) | 2020-12-18 | 2020-12-18 | Waste heat recovery device of airflow dryer for drying modified starch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112710147A true CN112710147A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505050.7A Pending CN112710147A (en) | 2020-12-18 | 2020-12-18 | Waste heat recovery device of airflow dryer for drying modified starch |
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| CN (1) | CN112710147A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2326885A1 (en) * | 2000-04-17 | 2001-10-17 | Mitsubishi Heavy Industries, Ltd. | Exhaust gas cooling system |
| CN201532130U (en) * | 2009-06-05 | 2010-07-21 | 中国铝业股份有限公司 | Spray type waste steam water cooler |
| CN102322734A (en) * | 2011-07-06 | 2012-01-18 | 邓亚东 | End steam-hot air conversion device of pipe bundle drier |
| CN106867874A (en) * | 2017-03-21 | 2017-06-20 | 李梦颖 | A kind of marsh gas fermentation pool with auxiliary heating system |
| CN209416096U (en) * | 2018-11-05 | 2019-09-20 | 福建南平三元循环技术有限公司 | A kind of dry tail gas spray equipment |
-
2020
- 2020-12-18 CN CN202011505050.7A patent/CN112710147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2326885A1 (en) * | 2000-04-17 | 2001-10-17 | Mitsubishi Heavy Industries, Ltd. | Exhaust gas cooling system |
| CN201532130U (en) * | 2009-06-05 | 2010-07-21 | 中国铝业股份有限公司 | Spray type waste steam water cooler |
| CN102322734A (en) * | 2011-07-06 | 2012-01-18 | 邓亚东 | End steam-hot air conversion device of pipe bundle drier |
| CN106867874A (en) * | 2017-03-21 | 2017-06-20 | 李梦颖 | A kind of marsh gas fermentation pool with auxiliary heating system |
| CN209416096U (en) * | 2018-11-05 | 2019-09-20 | 福建南平三元循环技术有限公司 | A kind of dry tail gas spray equipment |
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Application publication date: 20210427 |