CN114508907A - Equipment for realizing waste heat utilization of dryer - Google Patents
Equipment for realizing waste heat utilization of dryer Download PDFInfo
- Publication number
- CN114508907A CN114508907A CN202011273983.8A CN202011273983A CN114508907A CN 114508907 A CN114508907 A CN 114508907A CN 202011273983 A CN202011273983 A CN 202011273983A CN 114508907 A CN114508907 A CN 114508907A
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- Prior art keywords
- box
- air
- heating
- drying
- relay
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
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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
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of drying equipment, in particular to equipment for realizing waste heat utilization of a dryer, which comprises a primary pump, a heating box, a drying box, a control box, an air guide pipe, a secondary pump, an air dehumidifier and a preheating box, wherein an air outlet of the primary pump is connected with an air inlet of the heating box through a pipeline, air heated from the heating box enters the drying box to dry materials, a temperature sensor A is fixedly arranged near the air inlet of the drying box, the control box comprises a PLC (programmable logic controller), a relay, a frequency converter and a temperature relay, and the air after drying the materials is subjected to dehumidification by the air dehumidifier after passing through the secondary pump to generate dry air with waste heat, and enters the preheating box to preheat the materials. The invention can realize automatic control of the temperature in the dryer, so that the temperature of the drying box is constant, and the gas exhausted by the dryer with residual heat can be used for preheating materials, thereby improving the energy utilization rate.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to equipment for realizing waste heat utilization of a dryer.
Background
The dryer is the problem that the steam returns to the material after the temperature is reduced along with the system set in the process of the equidirectional movement; in the drying process, the hot air flow moves forward from the tail part and is fully contacted with the materials, and the heat transfer quantity is fully utilized through heat conduction, convection and radiation; the heat energy is directly transmitted to the material, so that the moisture of the material is continuously evaporated in the machine body, most of the dryers in the current market cannot automatically control the temperature in the dryers, and the gas discharged from the dryers carries a large amount of waste heat, which wastes a lot of energy sources.
Disclosure of Invention
The invention aims to provide equipment for realizing waste heat utilization of a dryer, which comprises a primary pump, a heating box, a drying box, a control box, an air guide pipe, a secondary pump, an air dehumidifier and a preheating box, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an apparatus for realizing waste heat utilization of a dryer comprises a primary pump, a heating box, a drying box, a control box, a wind guide pipe, a secondary pump, an air dehumidifier and a preheating box, wherein a gas outlet of the primary pump is connected with a gas inlet of the heating box through a pipeline, a heating resistance wire net for heating air is fixedly arranged in the heating box, a gas outlet of the heating box is connected with a gas inlet of the drying box through a pipeline, a temperature sensor A is fixedly arranged near the gas inlet of the drying box, a gas outlet of the dryer is connected with a gas inlet of the secondary pump through the wind guide pipe, a gas outlet of the secondary pump is connected with a gas inlet of the air dehumidifier through a pipeline, a gas outlet of the air dehumidifier is connected with a gas inlet of the preheating box through a pipeline, a temperature sensor B is fixedly arranged near the gas inlet of the preheating box, and the air dehumidifier is a rotating wheel which only dries air and does not lower temperature, the control box is fixed to be located on the stoving roof, the control box includes PLC controller, relay, converter, temperature relay, the heating resistance silk screen and the converter electric connection of heating incasement, temperature sensor A's data line connection PLC controller, the control scheme connection PLC controller of converter.
As a preferred scheme, a PLC controller, a relay, a frequency converter and a temperature relay are fixedly arranged on a bottom plate in the control box from front to back in sequence.
As a preferred scheme, a data line of the temperature sensor B is connected with a PLC (programmable logic controller), infrared heating pipes are fixedly arranged on the inner walls of the left side plate and the right side plate in the preheating box, the infrared heating pipes are electrically connected with a temperature relay, and a control circuit of the temperature relay is connected with the PLC.
As a preferred scheme, the primary pump, the secondary pump and the air dehumidifier are electrically connected with the relay.
Compared with the prior art, the invention has the beneficial effects that: this equipment can realize the automatic control to the temperature in the drying-machine, makes stoving case constancy of temperature, and the drying-machine combustion gas has the waste heat and can be used for preheating the material, has improved energy utilization and has rateed, is showing when the energy saving and has improved drying-machine drying efficiency to improve production efficiency, reduced the production cycle of product.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for implementing waste heat utilization of a dryer according to the present invention;
fig. 2 is a schematic view of a cross-sectional structure of an apparatus control box for realizing waste heat utilization of a dryer according to the present invention.
In the figure: 1. a primary pump; 2. a heating box; 3. a drying box; 4. a preheating box; 5. a control box; 6. an air guide pipe; 7. a secondary pump; 8. an air dehumidifier; 9. a temperature sensor A; 10. a temperature sensor B; 11. an infrared heating pipe; 51. a PLC controller; 52. a relay; 53. a frequency converter; 54. a temperature relay.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.
Example (b):
referring to fig. 1-2, the present embodiment provides a technical solution:
the utility model provides an equipment of realization drying-machine waste heat utilization, includes primary pump 1, heating cabinet 2, stoving case 3, control box 5, guide duct 6, secondary pump 7, air dehumidifier 8 and preheating cabinet 4, its characterized in that: the air outlet of the primary pump 1 is connected with the air inlet of the heating box 2 through a pipeline, a heating resistance wire net for heating air is fixedly arranged inside the heating box 2, the air outlet of the heating box 2 is connected with the air inlet of the drying box 3 through a pipeline, a temperature sensor A9 is fixedly arranged near the air inlet of the drying box 3, the air outlet of the drying box 3 is connected with the air inlet of the secondary pump 7 through an air guide pipe 6, the air outlet of the secondary pump 7 is connected with the air inlet of an air dehumidifier 8 through a pipeline, the air outlet of the air dehumidifier 8 is connected with the air inlet of the preheating box 4 through a pipeline, a temperature sensor B10 is fixedly arranged near the air inlet of the preheating box 4, the air dehumidifier 8 is a rotary dehumidifier which only dries air and does not cool, the control box 5 is fixedly arranged on the top plate of the drying box 3, and the control box 5 comprises a PLC (programmable logic controller) 51, a PLC) and a temperature sensor, Relay 52, converter 53, temperature relay 54, the heating resistance silk screen in hot box 2 is connected with converter 53 electric connection, temperature sensor A9's data line connects PLC controller 51, the control scheme connection PLC controller 51 of converter 53. A PLC (programmable logic controller) 51, a relay 52, a frequency converter 53 and a temperature relay 54 are fixedly arranged on the bottom plate in the control box 5 from front to back in sequence. The data line of the temperature sensor B10 is connected with the PLC 51, the infrared heating pipes 11 are fixedly arranged on the inner walls of the left side plate and the right side plate inside the preheating box 4, the infrared heating pipes 11 are electrically connected with the temperature relay 54, and the control circuit of the temperature relay 54 is connected with the PLC 51. The primary pump 1, the secondary pump 7, the air dehumidifier 8 and the relay 52 are electrically connected.
The working principle is as follows: when the dryer starts to work, a relay 52 in a control box 5 is electrified, a primary pump 1, a secondary pump 7 and an air dehumidifier are started, air enters from an air inlet of the primary pump 1, enters a drying box 3 after being heated by a heating box 2, a temperature sensor A9 in the drying box 3 transmits temperature data to a PLC (programmable logic controller) 51, when the temperature is too low, the PLC 51 sends a control command to a frequency converter 53, the frequency converter 53 reduces the circuit resistance, the current is increased, a heating resistance wire in the heating box 2 increases the heating, so that the air temperature is improved, when the temperature is too high, the PLC 51 sends the control command to the frequency converter 53, the frequency converter 53 increases the circuit resistance, the current is decreased, the heating resistance wire in the heating box 2 reduces the heating, so that the air temperature is reduced, and the automatic control of the temperature in the dryer is realized; air with waste heat after the materials are dried enters a secondary pump 7 through an air guide pipe 6, then enters an air dehumidifier 8 from an air outlet of the secondary pump 7, the materials in the preheating box are preheated by the air dried by the air dehumidifier 8, when the temperature in the preheating box 4 is too low, a temperature sensor B10 in the preheating box 4 transmits data to a PLC 51, the PLC controls a temperature relay (54) to be electrified, an infrared heating pipe 11 is electrified to generate heat, and the purpose of material preheating is assisted.
Has the advantages that: this equipment can realize the automatic control to the temperature in the drying-machine, makes drying temperature invariable, and the drying-machine combustion gas has the waste heat and can be used for preheating the material, has improved energy utilization and has rateed, is showing when the energy saving and has improved drying-machine drying efficiency to improve production efficiency, reduced the production cycle of product.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an equipment of realization drying-machine waste heat utilization, includes primary pump (1), heating cabinet (2), stoving case (3), control box (5), guide duct (6), secondary pump (7), air dehumidifier (8) and preheating cabinet (4), its characterized in that: the air outlet of the primary pump (1) is connected with the air inlet of the heating box (2) through a pipeline, a heating resistance wire net for heating air is fixedly arranged in the heating box (2), the air outlet of the heating box (2) is connected with the air inlet of the drying box (3) through a pipeline, a temperature sensor A (9) is fixedly arranged near the air inlet of the drying box (3), the air outlet of the drying machine (3) is connected with the air inlet of the secondary pump (7) through a wind guide pipe (6), the air outlet of the secondary pump (7) is connected with the air inlet of an air dehumidifier (8) through a pipeline, the air outlet of the air dehumidifier (8) is connected with the air inlet of the preheating box (4) through a pipeline, a temperature sensor B (10) is fixedly arranged near the air inlet of the preheating box (4), and the air dehumidifier (8) is a rotary wheel dehumidifier which only dries the air and does not cool down, control box (5) are fixed to be located on stoving case (3) roof, control box (5) include PLC controller (51), relay (52), converter (53), temperature relay (54), heating resistance silk screen and converter (53) electric connection in hot box (2), the data line connection PLC controller (51) of temperature sensor A (9), the control scheme connection PLC controller (51) of converter (53).
2. The device for realizing the utilization of the waste heat of the dryer according to claim 1, is characterized in that: and a PLC (programmable logic controller) controller (51), a relay (52), a frequency converter (53) and a temperature relay (54) are fixedly arranged on the bottom plate in the control box (5) from front to back in sequence.
3. The device for realizing the utilization of the waste heat of the dryer according to claim 1, is characterized in that: the data line of the temperature sensor B (10) is connected with a PLC (programmable logic controller) (51), the inner walls of the left side plate and the right side plate inside the preheating box (4) are fixedly provided with infrared heating pipes (11), the infrared heating pipes (11) are electrically connected with a temperature relay (54), and a control circuit of the temperature relay (54) is connected with the PLC (51).
4. The device for realizing the utilization of the waste heat of the dryer according to claim 1, is characterized in that: the primary pump (1), the secondary pump (7) and the air dehumidifier (8) are electrically connected with the relay (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273983.8A CN114508907A (en) | 2020-11-14 | 2020-11-14 | Equipment for realizing waste heat utilization of dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273983.8A CN114508907A (en) | 2020-11-14 | 2020-11-14 | Equipment for realizing waste heat utilization of dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114508907A true CN114508907A (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011273983.8A Pending CN114508907A (en) | 2020-11-14 | 2020-11-14 | Equipment for realizing waste heat utilization of dryer |
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| Country | Link |
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| CN (1) | CN114508907A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101274819B1 (en) * | 2012-02-15 | 2013-06-17 | 엄태경 | Dryer of wet sludge and operating method thereof |
| CN206192053U (en) * | 2016-11-11 | 2017-05-24 | 灵宝市芳捷农业发展有限公司 | Multipurpose formula drying equipment |
| CN107101459A (en) * | 2017-05-15 | 2017-08-29 | 成都赋阳技术开发有限公司 | A kind of high effective drier |
| CN206478999U (en) * | 2017-07-06 | 2017-09-08 | 鲁东大学 | A kind of solar energy fruit drying device |
| CN108895824A (en) * | 2018-09-09 | 2018-11-27 | 浙江美诺地毯制造有限公司 | A kind of dry hot-air supplying equipment of carpet |
| CN209341696U (en) * | 2018-09-27 | 2019-09-03 | 利滋勒方电机械设备（上海）有限公司 | A kind of electrical heat tracing device |
-
2020
- 2020-11-14 CN CN202011273983.8A patent/CN114508907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101274819B1 (en) * | 2012-02-15 | 2013-06-17 | 엄태경 | Dryer of wet sludge and operating method thereof |
| CN206192053U (en) * | 2016-11-11 | 2017-05-24 | 灵宝市芳捷农业发展有限公司 | Multipurpose formula drying equipment |
| CN107101459A (en) * | 2017-05-15 | 2017-08-29 | 成都赋阳技术开发有限公司 | A kind of high effective drier |
| CN206478999U (en) * | 2017-07-06 | 2017-09-08 | 鲁东大学 | A kind of solar energy fruit drying device |
| CN108895824A (en) * | 2018-09-09 | 2018-11-27 | 浙江美诺地毯制造有限公司 | A kind of dry hot-air supplying equipment of carpet |
| CN209341696U (en) * | 2018-09-27 | 2019-09-03 | 利滋勒方电机械设备（上海）有限公司 | A kind of electrical heat tracing device |
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