CN211514026U - Air heating drying device with combination of secondary cooler and secondary heater - Google Patents
Air heating drying device with combination of secondary cooler and secondary heater Download PDFInfo
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- CN211514026U CN211514026U CN201922330331.2U CN201922330331U CN211514026U CN 211514026 U CN211514026 U CN 211514026U CN 201922330331 U CN201922330331 U CN 201922330331U CN 211514026 U CN211514026 U CN 211514026U
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Abstract
The utility model belongs to the field of industrial raw material treatment, and particularly discloses an air heating and drying device combining a secondary cooler and a secondary heater, which comprises a primary cooling and heating and drying unit and a secondary cooling and heating and drying unit; the first-effect cooling, heating and drying unit comprises a first drying compressor, a first-stage condenser and a first-stage heater; the secondary cooling heating drying unit comprises a second drying compressor, a secondary condenser and a secondary heater; the utility model makes full use of the temperature difference formed by the evaporation, vaporization, heat absorption and condensation, liquefaction and heat release of the refrigerant in the secondary condenser pipe, and is used for cooling, liquefaction and drying of damp-heat gas, heating and warming of recovered condensed water and dry cold air, and finally forming dry hot air; the device is used for obtaining the heat of the air and reducing the energy consumption; meanwhile, the environment temperature is utilized, the environment heat is absorbed through the double-effect cooling and heating drying unit, the dry air is heated doubly again, the heating efficiency of the dry and hot air is guaranteed, and the energy consumption of the whole machine is reduced.
Description
Technical Field
The utility model relates to an industrial raw materials field specifically is an air heating drying device of second grade cooler and second grade heater combination.
Background
At present, more than 98% of evaporators (single-effect, double-effect, triple-effect, MVR, TVR and the like) on the market heat raw material liquid through a heat exchanger, and the raw material liquid starts to vaporize after reaching the evaporation temperature so as to realize the purpose of evaporation concentration. Since most of the raw material liquid is extremely corrosive, expensive alloy materials are required for all parts in contact with the raw material liquid and the concentrated liquid, including heat exchangers, pipelines, evaporation reactors, and the like.
Traditional evaporimeter gas-liquid separation gas all is traditional stainless steel tank body container, and the entrainment volume is great, and the separation effect is not good, leads to comdenstion water quality of water not up to standard, need get back to filtration adsorption system and membrane processing system further processing and just can retrieval and utilization to production line or discharge up to standard. The evaporator is poor in heat exchange effect and high in energy consumption due to the fact that feed liquid phase changes on the surface of an alloy material, crystals or scaling substances can be attached to the surfaces of the heat exchanger and the reaction kettle, chemical cleaning needs to be stopped frequently, chemical pollution and user operation and use risks are caused, and the use efficiency and the service life of equipment are reduced.
In order to solve the problems, the prior art provides a method for carrying out dehumidification and concentration on a raw material liquid by mixing dry hot air and the raw material liquid and taking away water in the raw material liquid, so that the raw material liquid is prevented from directly contacting a heat exchanger, the corrosivity of the raw material liquid does not influence the system, and the investment and operation cost is greatly saved. However, the existing equipment can not obtain dry hot air well, and wet air formed by mixing the dry hot air with the feed liquid can not be treated well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air heating drying device of second grade cooler and second grade heater combination to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a kind of air heating drying device that the second cooler combines with second heater, including first effect cooling heats the dry unit and two effects and heats the dry unit; the primary cooling heating drying unit comprises a first drying compressor, a primary condenser and a primary heater; the two-effect cooling, heating and drying unit comprises a second drying compressor, a secondary condenser and a secondary heater; the primary condenser and the primary heater are installed in the closed heat-insulation shell in series, and the secondary condenser and the secondary heater are installed in the closed heat-insulation shell in series; the primary condenser and the secondary condenser respectively comprise an external heat conduction pipe wall and a condenser pipe inside the heat conduction pipe wall, a first heating chamber is formed in the heat insulation shell outside the primary condenser and the primary heater, a second heating chamber is formed in the heat insulation shell outside the secondary condenser and the secondary heater, and a cooling chamber is formed in the inner space of the condenser pipe; the first heating chamber is communicated with the second heating chamber through a transition duct, and a dry hot gas outlet is formed in one side of the second heating chamber.
Preferably, the heat conducting pipe wall is of a double-layer structure, and heat exchange fins are embedded in the heat conducting pipe wall.
Preferably, the condensation pipe is of a continuously bent S-shaped structure, the input end of the condensation pipe in the one-effect cooling, heating and drying unit is communicated with the output end of the first drying compressor, and the gas outlet end of the condensation pipe is introduced into the first heating chamber; the input end of a condensing pipe in the two-effect cooling and heating drying unit is communicated with the output end of the second drying compressor, and the gas outlet end of the condensing pipe is introduced into the second heating chamber.
Preferably, the input end of the first drying compressor is a steam inlet, and the input end of the second drying compressor is an air inlet.
Preferably, a condensate collecting box is respectively arranged outside the heat-insulating shell of the first-effect cooling, heating and drying unit and the second-effect cooling, heating and drying unit, and the gas leading-out ends of the condenser pipes in the first-stage condenser and the second-stage condenser are communicated with the corresponding condensate collecting boxes through liquid guide pipes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model makes full use of the temperature difference formed by the evaporation, vaporization, heat absorption and condensation, liquefaction and heat release of the refrigerant in the primary condenser pipe, and is used for cooling, liquefaction and drying of damp-heat gas, heating and warming of recovered condensed water and dry cold air, and finally forming dry hot air; the temperature difference formed by evaporation, vaporization, heat absorption and condensation, liquefaction and heat release of the refrigerant in the secondary condenser pipe is fully utilized, so that the heat of the air is obtained, and the energy consumption is reduced. By arranging the double-layer heat conduction pipe wall and paving the latticed heat exchange aluminum fins in the double-layer heat conduction pipe wall, the one-way heat transfer between the cooling chamber and the heating chamber is ensured, the low-temperature state in the cooling chamber and the high-temperature state in the heating chamber are effectively kept, the structure is simple, and the equipment cost is saved; meanwhile, the environment temperature is utilized, the environment heat is absorbed through the double-effect cooling and heating drying unit, the dry air is heated doubly again, the heating efficiency of the dry and hot air is guaranteed, and the energy consumption of the whole machine is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a first dry compressor; 2. a second dry compressor; 3. a first-stage condenser; 4. a primary heater; 5. a secondary condenser; 6. a secondary heater; 7. a heat-insulating shell; 8. a heat conducting pipe wall; 9. a condenser tube; 10. heat exchange fins; 11. a first heating chamber; 12. a second heating chamber; 13. a gas outlet end; 14. a steam inlet; 15. an air inlet; 16. a transition duct; 17. a dry hot gas outlet; 18. a catheter; 19. and a condensate collecting tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a kind of air heating drying device that the second cooler combines with second heater, including first effect cooling heats the dry unit and two effects and heats the dry unit; the primary cooling and heating drying unit comprises a first drying compressor 1, a primary condenser 3 and a primary heater 4; the double-effect cooling, heating and drying unit comprises a second drying compressor 2, a secondary condenser 5 and a secondary heater 6; the primary condenser 3 and the primary heater 4 are installed in series in a closed heat-preservation shell 7, and the secondary condenser 5 and the secondary heater 6 are installed in series in the closed heat-preservation shell 7; the primary condenser 3 and the secondary condenser 5 respectively comprise an external heat conduction pipe wall 8 and a condensation pipe 9 inside the heat conduction pipe wall 8, a first heating chamber 11 is formed in the heat preservation shell 7 outside the primary condenser 3 and the primary heater 4, a second heating chamber 12 is formed in the heat preservation shell 7 outside the secondary condenser 5 and the secondary heater 6, and a cooling chamber is formed in the inner space of the condensation pipe 9; the first heating chamber 11 is communicated with the second heating chamber 12 through a transition duct 16, and a dry hot gas outlet 17 is arranged at one side of the second heating chamber 12.
Further, the heat conducting pipe wall 8 is of a double-layer structure, and heat exchange fins 10 are embedded in the heat conducting pipe wall.
Further, the condensation pipe 9 is of a continuously bent S-shaped structure, the input end of the condensation pipe 9 in the first-effect cooling, heating and drying unit is communicated with the output end of the first drying compressor 1, and the gas outlet end 13 of the condensation pipe is communicated with the first heating chamber 11; the input end of a condensation pipe 9 in the two-effect cooling, heating and drying unit is communicated with the output end of the second drying compressor 2, and a gas outlet end 13 of the condensation pipe is communicated into the second heating chamber 12.
Further, the input end of the first drying compressor 1 is a steam inlet 14, and the input end of the second drying compressor 2 is an air inlet 15.
Furthermore, a condensate collecting box 19 is respectively arranged outside the heat preservation shell 7 of the first-effect cooling, heating and drying unit and the second-effect cooling, heating and drying unit, and the gas leading-out ends 13 of the condenser pipes 9 in the first-stage condenser 3 and the second-stage condenser 5 are communicated with the corresponding condensate collecting boxes 19 through liquid guide pipes 18.
The working principle is as follows: when the device works, a steam inlet 14 of a first drying compressor 1 of the first-effect cooling and heating drying unit is communicated with a steam outlet end of an external raw material liquid evaporation tower, and an air inlet 15 of a second drying compressor 2 of the second-effect cooling and heating drying unit is communicated with an external air environment; the damp and hot steam is dried by a first drying compressor 1, enters a first-stage condenser 3 of a one-effect cooling and heating drying unit, is evaporated, vaporized and absorbs heat by a cooling chamber in a condensing pipe 9, and then the condensate flows into a condensate collecting box 19; the heat conducting pipe wall 8 is combined with the heat exchange fins 10, heat is diffused into the first heating chamber 11, meanwhile, the first-stage heater 4 heats the interior of the first heating chamber 11, dry and cold gas from the condensing pipe 9 enters the first heating chamber 11 to be heated and heated, primary dry and hot gas is formed and enters the second heating chamber 12 through the transition duct 16 to be heated again, and finally, the formed dry and hot gas is discharged from the dry and hot gas outlet 17 and enters the external raw material liquid evaporation tower again. Meanwhile, after being dried by the second drying compressor 2, the external air enters the two-effect cooling and heating drying unit in the same way, is discharged from the dry hot gas outlet 17 after being formed into dry hot gas, and enters the external raw material liquid evaporation tower again, so that the heat of the air is obtained, and the energy consumption is reduced.
The utility model makes full use of the temperature difference formed by the evaporation, vaporization, heat absorption and condensation, liquefaction and heat release of the refrigerant in the primary condenser pipe, and is used for cooling, liquefaction and drying of damp-heat gas, heating and warming of recovered condensed water and dry cold air, and finally forming dry hot air; the temperature difference formed by evaporation, vaporization, heat absorption and condensation, liquefaction and heat release of the refrigerant in the secondary condenser pipe is fully utilized, so that the heat of the air is obtained, and the energy consumption is reduced. By arranging the double-layer heat conduction pipe wall and paving the latticed heat exchange aluminum fins in the double-layer heat conduction pipe wall, the one-way heat transfer between the cooling chamber and the heating chamber is ensured, the low-temperature state in the cooling chamber and the high-temperature state in the heating chamber are effectively kept, the structure is simple, and the equipment cost is saved; meanwhile, the environment temperature is utilized, the environment heat is absorbed through the double-effect cooling and heating drying unit, the dry air is heated doubly again, the heating efficiency of the dry and hot air is guaranteed, and the energy consumption of the whole machine is reduced.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
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 (5)
1. An air heating drying device combining a secondary cooler and a secondary heater is characterized by comprising a primary cooling and heating drying unit and a secondary cooling and heating drying unit; the primary cooling and heating drying unit comprises a first drying compressor (1), a primary condenser (3) and a primary heater (4); the double-effect cooling, heating and drying unit comprises a second drying compressor (2), a secondary condenser (5) and a secondary heater (6); the primary condenser (3) and the primary heater (4) are installed in series in the closed heat-insulation shell (7), and the secondary condenser (5) and the secondary heater (6) are installed in series in the closed heat-insulation shell (7); the primary condenser (3) and the secondary condenser (5) respectively comprise an external heat conduction pipe wall (8) and a condensation pipe (9) inside the heat conduction pipe wall (8), a first heating chamber (11) is formed in a heat insulation shell (7) outside the primary condenser (3) and the primary heater (4), a second heating chamber (12) is formed in a heat insulation shell (7) outside the secondary condenser (5) and the secondary heater (6), and a cooling chamber is formed in the inner space of the condensation pipe (9); the first heating chamber (11) is communicated with the second heating chamber (12) through a transition duct (16), and one side of the second heating chamber (12) is provided with a dry hot gas outlet (17).
2. The air heating and drying device of claim 1, wherein: the heat conducting pipe wall (8) is of a double-layer structure, and heat exchange fins (10) are embedded in the heat conducting pipe wall.
3. The air heating and drying device of claim 1, wherein: the condensation pipe (9) is of a continuously bent S-shaped structure, the input end of the condensation pipe (9) in the one-effect cooling, heating and drying unit is communicated with the output end of the first drying compressor (1), and the gas outlet end (13) of the condensation pipe is communicated into the first heating chamber (11); the input end of a condensing pipe (9) in the two-effect cooling, heating and drying unit is communicated with the output end of a second drying compressor (2), and a gas leading-out end (13) of the two-effect cooling, heating and drying unit is introduced into a second heating chamber (12).
4. The air heating and drying device of claim 1, wherein: the input end of the first drying compressor (1) is a steam inlet (14), and the input end of the second drying compressor (2) is an air inlet (15).
5. The air heating and drying device of claim 1, wherein: the outside of the heat preservation shell (7) of the first-effect cooling, heating and drying unit and the second-effect cooling, heating and drying unit is respectively provided with a condensate collecting box (19), and the gas leading-out ends (13) of the condensing pipes (9) in the first-stage condenser (3) and the second-stage condenser (5) are communicated with the corresponding condensate collecting boxes (19) through liquid guide pipes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330331.2U CN211514026U (en) | 2019-12-23 | 2019-12-23 | Air heating drying device with combination of secondary cooler and secondary heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330331.2U CN211514026U (en) | 2019-12-23 | 2019-12-23 | Air heating drying device with combination of secondary cooler and secondary heater |
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| Publication Number | Publication Date |
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| CN211514026U true CN211514026U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922330331.2U Active CN211514026U (en) | 2019-12-23 | 2019-12-23 | Air heating drying device with combination of secondary cooler and secondary heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117839400A (en) * | 2024-03-07 | 2024-04-09 | 张家港市沃尔特精密机械有限公司 | Efficient dehumidifying device |
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2019
- 2019-12-23 CN CN201922330331.2U patent/CN211514026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117839400A (en) * | 2024-03-07 | 2024-04-09 | 张家港市沃尔特精密机械有限公司 | Efficient dehumidifying device |
| CN117839400B (en) * | 2024-03-07 | 2024-05-24 | 张家港市沃尔特精密机械有限公司 | Efficient dehumidifying device |
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