CN215781577U - Spray drying system with recyclable waste gas - Google Patents
Spray drying system with recyclable waste gas Download PDFInfo
- Publication number
- CN215781577U CN215781577U CN202122351669.3U CN202122351669U CN215781577U CN 215781577 U CN215781577 U CN 215781577U CN 202122351669 U CN202122351669 U CN 202122351669U CN 215781577 U CN215781577 U CN 215781577U
- Authority
- CN
- China
- Prior art keywords
- spray drying
- air
- cooling
- dust remover
- communicated
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a but waste gas endless spray drying system, but this waste gas endless spray drying system includes the spray drying tower, subassembly and exhaust-gas treatment subassembly are collected to the material, the liquid material that lets in the spray drying tower can dewater and become the powder material, the dust remover and the spray drying tower intercommunication of subassembly are collected to the material, receive material cyclone and dust remover intercommunication, the dust remover can be with powder material from mixing out and sending to receiving material cyclone and collecting in the air current of powder material. The cooling module of exhaust-gas treatment subassembly communicates between dust remover and the subassembly that admits air, can cool down and dehumidify the air current, realizes the processing to the air current, and the subassembly that admits air can heat the air current after cooling and dehumidifying and send it to the spray drying tower in to dewater liquid material once more. The spray drying system with the recyclable waste gas can realize recycling and zero emission of the waste gas, is beneficial to improving the working environment of operators and avoids pollution to the environment.
Description
Technical Field
The utility model relates to the technical field of powder production equipment, in particular to a spray drying system with recyclable waste gas.
Background
At present, some powder materials are often quickly dried by a spray drying tower, hot air is introduced into the spray drying tower, the materials are pumped into the spray drying tower and atomized into small liquid drops through an atomizer, the small liquid drops are small in diameter and large in surface area, moisture in the small liquid drops absorbs heat of the hot air and is rapidly gasified and evaporated after the small liquid drops are contacted with the high-temperature hot air, and the materials in the small liquid drops are dehydrated to form the powder materials. Can produce a large amount of stoving waste gas in this production process, because stoving waste gas temperature is higher, and wherein can be mingled with the powder material, not only make operating personnel's operational environment worsen after discharging, still can cause the pollution to the surrounding environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a spray drying system with recyclable waste gas, which can realize recycling and zero emission of the waste gas, is beneficial to improving the working environment of operators and avoids pollution to the environment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a spray drying system with exhaust gas recirculation, comprising: the spray drying tower is filled with liquid materials, and the liquid materials are dehydrated into powder materials in the spray drying tower; the material collecting component comprises a dust remover and a material collecting cyclone dust remover, the dust remover is communicated with the spray drying tower, a feed inlet of the material collecting cyclone dust remover is communicated with a discharge outlet of the dust remover, and the dust remover can separate the powder material from the airflow mixed with the powder material and send the powder material to the material collecting cyclone dust remover; the exhaust-gas treatment subassembly, the exhaust-gas treatment subassembly is including admitting air subassembly and cooling module, cooling module's air inlet communicate in the dust remover, the air inlet of admitting air subassembly communicate in cooling module's gas outlet, the gas outlet of admitting air subassembly communicate in the spray drying tower, cooling module is used for right the air current cooling dehumidification, the subassembly of admitting air is used for after the dehumidification to the cooling air current heating and will the air current reaches in the spray drying tower.
As a preferred scheme of a spray drying system with recyclable waste gas, the cooling assembly comprises a heat exchange box, the dust remover is communicated with an inner cavity of the heat exchange box, a heat regenerator is arranged in the inner cavity of the heat exchange box, and the heat regenerator can cool the air flow introduced into the dust remover through heat exchange.
As a preferred scheme of a spray drying system with circulated exhaust gas, the cooling assembly further comprises a primary surface air cooler and a cooling tower, the primary surface air cooler is arranged in an inner cavity of the heat exchange box, the cooling tower can circularly introduce cooling water which exchanges heat with the airflow into the primary surface air cooler, and the cooling water can dissipate heat through the cooling tower.
As a preferred scheme of a spray drying system with recyclable waste gas, the cooling assembly further comprises a second-stage surface air cooler and an ice water machine, the second-stage surface air cooler is arranged in the inner cavity of the heat exchange box, and the ice water machine can circulate chilled water into the second-stage surface air cooler through a water pump to cool the airflow flowing through the second-stage surface air cooler.
As a preferred scheme of a spray drying system with recyclable waste gas, the material collecting assembly further comprises a collecting pipeline and a material collecting fan, one end of the collecting pipeline is communicated with the inner cavity of the heat exchange box, the other end of the collecting pipeline is communicated with an air inlet of the material collecting cyclone dust collector, an air outlet of the material collecting cyclone dust collector is communicated with an air inlet of the material collecting fan, an air outlet of the material collecting fan is communicated with an air inlet of the dust collector, and a discharge port of the dust collector is communicated with the collecting pipeline.
As a preferred scheme of a spray drying system with circulated waste gas, the dust remover comprises a cyclone dust remover, a primary pulse bag-type dust remover and a secondary pulse bag-type dust remover which are connected in sequence, wherein an air inlet of the cyclone dust remover is communicated with the spray drying tower, an air outlet of the secondary pulse bag-type dust remover is communicated with the cooling assembly, and a discharge opening of the cyclone dust remover, a discharge opening of the primary pulse bag-type dust remover and a discharge opening of the secondary pulse bag-type dust remover are all communicated with the collecting pipeline.
As a preferable scheme of the spray drying system with recyclable waste gas, the material collection assembly further comprises a dehumidifier unit, and the dehumidifier unit is connected in the collection pipeline and is located between the discharge port of the dust remover and the heat exchange box.
As a preferable mode of the spray drying system with circulated exhaust gas, the air inlet assembly comprises an air blower and a heater assembly, an air inlet of the air blower is communicated with the cooling assembly, an air outlet of the air blower is communicated with an air inlet of the heater assembly, and an air outlet of the heater assembly is communicated with the spray drying tower.
As a preferable scheme of the spray drying system with circulated exhaust gas, the heater assembly comprises a primary heater and a secondary heater, an air outlet of the primary heater is communicated with an air inlet of the secondary heater, an air inlet of the primary heater is communicated with an air outlet of the blower, and an air outlet of the secondary heater is communicated with the spray drying tower.
As a preferable mode of the spray drying system with recyclable waste gas, the spray drying system with recyclable waste gas further comprises a raw material tank and a feeding pump, wherein the feeding pump is communicated between the raw material tank and the spray drying tower, and the feeding pump can feed liquid materials in the raw material tank into the spray drying tower.
The utility model has the beneficial effects that:
the utility model provides a spray drying system with recyclable waste gas, which comprises a spray drying tower, a material collecting component and a waste gas treatment component, wherein liquid materials introduced into the spray drying tower can be dehydrated into powder materials, a dust remover of the material collecting component is communicated with the spray drying tower, a material collecting cyclone dust remover is communicated with the dust remover, and the dust remover can separate the powder materials from air flow mixed with the powder materials and send the powder materials to the material collecting cyclone dust remover for collection. The cooling module of exhaust-gas treatment subassembly communicates between dust remover and the subassembly that admits air, can cool down and dehumidify the air current, realizes the processing to the air current, and the subassembly that admits air can heat the air current after cooling and dehumidifying and send it to the spray drying tower in to dewater liquid material once more. Through the structure, the air flow in the spray drying system with the recyclable waste gas realizes recycling, avoids the emission of the waste gas, is favorable for improving the working environment of operators, and avoids the pollution to the environment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a spray drying system with a recyclable exhaust gas according to an embodiment of the present invention.
In the figure:
1. a feed pump; 2. a spray drying tower; 3. a cyclone dust collector; 4. a primary pulse bag-type dust collector; 5. a secondary pulse bag-type dust collector; 6. an induced draft fan; 7. a heat regenerator; 8. a primary surface cooler; 9. a secondary surface cooler; 10. a cooling tower; 11. a water chiller; 12. a dehumidifier unit; 13. a material receiving cyclone dust collector; 14. a material receiving fan; 15. a blower; 16. a primary heater; 17. a secondary heater; 18. a raw material tank; 19. and (4) a water pump.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first feature is directly connected to the second feature, or that the first feature is not directly connected to the second feature but is connected to the second feature via another feature. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the spray drying system with recyclable waste gas provided by the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the embodiment provides a spray drying system with circulated exhaust gas, the spray drying system with circulated exhaust gas includes a spray drying tower 2, a material collecting component and an exhaust gas processing component, the exhaust gas processing component includes an air inlet component and a cooling component, a liquid material is introduced into the spray drying tower 2, the liquid material can be dehydrated into a powder material in the spray drying tower 2, the material collecting component is communicated between the spray drying tower 2 and the cooling component, the material collecting component can separate the powder material from an air flow mixed with the powder material and collect the powder material, the air inlet component is communicated between the cooling component and the spray drying tower 2, the cooling component is used for cooling and dehumidifying the air flow, and the air inlet component is used for heating the air flow after cooling and dehumidifying and sending the air flow to the spray drying tower 2. Through the structure, the air flow in the spray drying system with the recyclable waste gas realizes recycling, avoids the emission of the waste gas, is favorable for improving the working environment of operators, and avoids the pollution to the environment.
In this embodiment, the material collection subassembly includes the dust remover and receives material cyclone 13, and the air inlet of dust remover and the gas outlet intercommunication of spray drying tower 2 receive the feed inlet of material cyclone 13 and communicate in the discharge opening of dust remover, and the dust remover can separate out and unload the powder material to receiving material cyclone 13 with the powder material from the air current that thoughtlessly has the powder material, realizes the collection of powder material. It will be appreciated that other dust collectors (e.g. pulse dust collectors) may be used instead of the collecting cyclone 13, as long as the powder material in the gas flow can be collected.
Specifically, the material collecting assembly further comprises a collecting pipeline and a material receiving fan 14, one end of the collecting pipeline is communicated with the cooling assembly, the other end of the collecting pipeline is communicated with an air inlet of the material receiving cyclone dust collector 13, an air outlet of the material receiving cyclone dust collector 13 is communicated with an air inlet of the material receiving fan 14, an air outlet of the material receiving fan 14 is communicated with an air inlet of the dust collector, a discharge opening of the dust collector is communicated with the collecting pipeline, so that the material receiving fan 14 can suck air from air flow after cooling and dehumidification in the cooling assembly during working, powder materials discharged from the dust collector are conveyed to the material receiving cyclone dust collector 13 through the collecting pipeline by utilizing the air flow to be subjected to concentrated material receiving packaging, and circulating air flow enters the dust collector for circulation through the material receiving fan 14 after being separated from the powder materials.
Preferably, the dust remover comprises a cyclone dust remover 3, a primary pulse bag-type dust remover 4 and a secondary pulse bag-type dust remover 5 which are connected in sequence, an air inlet of the cyclone dust remover 3 is communicated with an air outlet of the spray drying tower 2, an air outlet of the secondary pulse bag-type dust remover 5 is communicated with the cooling component, a discharge opening of the cyclone dust remover 3, a discharge opening of the primary pulse bag-type dust remover 4 and a discharge opening of the secondary pulse bag-type dust remover 5 are all communicated with the collecting pipeline, the airflow with powder materials from the air outlet of the spray drying tower 2 passes through a cyclone dust collector 3, a primary pulse bag dust collector 4 and a secondary pulse bag dust collector 5 in sequence, so that the powder material in the airflow can be fully separated from the airflow and discharged and concentrated into a collecting pipeline, the collecting pipes are used for collecting materials in a centralized manner, so that the situation that a material collecting point is arranged at a discharge port of each dust remover is avoided.
Preferably, the material collecting assembly further comprises a draught fan 6, an air inlet of the draught fan 6 is communicated with an air outlet of the second-level pulse bag-type dust collector 5, an air outlet of the draught fan 6 is communicated with the cooling assembly, the draught fan 6 is arranged between the air outlet of the second-level pulse bag-type dust collector 5 and the cooling assembly, and the air quantity required by material drying can be guaranteed.
Further, the material collection assembly further comprises a dehumidifying unit 12, the dehumidifying unit 12 is connected in the collection pipeline and is located between the discharge opening of the dust remover and the cooling assembly, and the air flow after cooling and dehumidifying of the cooling assembly is blown to the powder material after being further dehumidified by the dehumidifying unit 12, so that the powder material can meet the requirements of receiving and packaging temperature and humidity.
In this embodiment, the cooling module includes the heat transfer case, and the gas outlet of second grade pulse bag dust remover 5 communicates with the inner chamber of heat transfer case, and the gas outlet of draught fan 6 all communicates with the inner chamber of heat transfer case with collecting the pipeline, is equipped with regenerator 7 in the inner chamber of heat transfer case, and regenerator 7 is gas heat exchanger, and regenerator 7 can utilize low temperature gas to reduce the temperature of the air current that second grade pulse bag dust remover 5 lets in the inner chamber of heat transfer case.
Preferably, the cooling assembly further comprises a primary surface air cooler 8 and a cooling tower 10, the primary surface air cooler 8 is arranged in the inner cavity of the heat exchange box, the cooling tower 10 can circulate cooling water which exchanges heat with the air flow into the primary surface air cooler 8, the cooling water can cool the air flow through the primary surface air cooler 8 and remove part of moisture in the air flow, and the cooling water can dissipate heat to the atmosphere through the cooling tower 10 after absorbing the heat.
Further, the cooling assembly further comprises a second-stage surface cooler 9 and an ice water machine 11, the second-stage surface cooler 9 is arranged in the inner cavity of the heat exchange box, the ice water machine 11 can introduce chilled water into the second-stage surface cooler 9 through a water pump 19 in a circulating mode to deeply cool and dehumidify the air flow passing through the second-stage surface cooler 9, and the purpose of dehumidifying the air flow is achieved. It can be understood that refrigerants such as freon can also be introduced into the second-stage surface cooler 9 through the refrigerating machine circulation, so that the refrigerants can deeply cool and dehumidify the air flow passing through the second-stage surface cooler 9.
It should be noted that the communicating position of the collecting pipes and the inner cavity of the heat exchange box is arranged at a position close to the secondary surface cooler 9, so that the air flow with lower temperature can enter the collecting pipes.
Preferably, the air inlet assembly comprises an air blower 15 and a heater assembly, an air inlet of the air blower 15 is communicated with an inner cavity of the heat exchange box, an air outlet of the air blower 15 is communicated with an air inlet of the heater assembly, and an air outlet of the heater assembly is communicated with the spray drying tower 2, so that air flow after temperature reduction and dehumidification in the heat exchange box is sent to the heater assembly by the air blower 15 to be heated and then enters the spray drying tower 2 again to realize circulation. More preferably, the air inlet of the blower 15 is communicated with the position of the heat exchange box close to the regenerator 7, so that the air flow entering the blower 15 is heated by absorbing heat through the regenerator 7.
Specifically, the heater assembly comprises a primary heater 16 and a secondary heater 17, an air outlet of the primary heater 16 is communicated with an air inlet of the secondary heater 17, an air inlet of the primary heater 16 is communicated with an air outlet of the blower 15, and an air outlet of the secondary heater 17 is communicated with the spray drying tower 2, so that the airflow is sufficiently heated by the primary heater 16 and the secondary heater 17 to reach the required temperature.
In this embodiment, the spray drying system with a recyclable waste gas further includes a material tank 18 and a feeding pump 1, the feeding pump 1 is connected between the material tank 18 and the spray drying tower 2, and the feeding pump 1 can feed the liquid material in the material tank 18 into the spray drying tower 2 to realize feeding of the liquid material.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A spray drying system with exhaust gas recirculation, comprising:
the spray drying tower (2), wherein a liquid material is introduced into the spray drying tower (2), and the liquid material is dehydrated into a powder material in the spray drying tower (2);
the material collecting assembly comprises a dust remover and a material receiving cyclone dust remover (13), the dust remover is communicated with the spray drying tower (2), a feed inlet of the material receiving cyclone dust remover (13) is communicated with a discharge opening of the dust remover, and the dust remover can separate the powder material from the air flow mixed with the powder material and send the powder material to the material receiving cyclone dust remover (13);
the exhaust-gas treatment subassembly, the exhaust-gas treatment subassembly is including admitting air subassembly and cooling module, cooling module's air inlet communicate in the dust remover, the air inlet of admitting air subassembly communicate in cooling module's gas outlet, the gas outlet of admitting air subassembly communicate in spray drying tower (2), cooling module is used for right the air current cooling dehumidification, the subassembly that admits air is used for after the dehumidification of cooling the air current heating and will the air current reaches in spray drying tower (2).
2. The exhaust gas circulatable spray drying system of claim 1, characterized in that, the cooling subassembly includes a heat exchange case, the dust remover communicates with the inner chamber of the heat exchange case, be equipped with regenerator (7) in the inner chamber of the heat exchange case, regenerator (7) can be through heat transfer to the air current that the dust remover lets in cool down.
3. The exhaust gas circulatable spray drying system of claim 2, wherein the cooling package further comprises a primary surface cooler (8) and a cooling tower (10), the primary surface cooler (8) being disposed in the interior cavity of the heat exchange box, the cooling tower (10) being configured to circulate cooling water into the primary surface cooler (8) for heat exchange with the airflow, the cooling water being configured to dissipate heat through the cooling tower (10).
4. A spray drying system with exhaust gas recirculation according to claim 3, characterized in that the cooling unit further comprises a secondary surface cooler (9) and a water chiller (11), the secondary surface cooler (9) being arranged in the inner cavity of the heat exchange box, the water chiller (11) being capable of cooling the air stream flowing through the secondary surface cooler (9) by circulating chilled water through a water pump (19) into the secondary surface cooler (9).
5. The exhaust gas recyclable spray drying system according to claim 2, wherein the material collecting assembly further comprises a collecting pipe and a material collecting fan (14), one end of the collecting pipe is communicated with the inner cavity of the heat exchange box, the other end of the collecting pipe is communicated with the air inlet of the material collecting cyclone (13), the air outlet of the material collecting cyclone (13) is communicated with the air inlet of the material collecting fan (14), the air outlet of the material collecting fan (14) is communicated with the air inlet of the dust collector, and the discharge port of the dust collector is communicated with the collecting pipe.
6. The exhaust gas circulatable spray drying system of claim 5, characterized in that, the dust remover includes cyclone (3), one-level pulse bag dust collector (4) and second grade pulse bag dust collector (5) that connect gradually, the air inlet of cyclone (3) with spray drying tower (2) intercommunication, the gas outlet of second grade pulse bag dust collector (5) with cooling module intercommunication, the discharge opening of cyclone (3), the discharge opening of one-level pulse bag dust collector (4) and the discharge opening of second grade pulse bag dust collector (5) all communicate with the collection pipeline.
7. The exhaust gas circulatable spray drying system of claim 5, characterized in that, the material collection assembly further comprises a dehumidifier unit (12), and the dehumidifier unit (12) is connected in the collection duct and is located between the discharge opening of the dust collector and the heat exchange box.
8. The exhaust gas circulatable spray drying system of claim 1, wherein the air intake assembly comprises a blower (15) and a heater assembly, an air inlet of the blower (15) is communicated with the cooling assembly, an air outlet of the blower (15) is communicated with an air inlet of the heater assembly, and an air outlet of the heater assembly is communicated with the spray drying tower (2).
9. The exhaust gas circulatable spray drying system of claim 8, characterized in that, the heater subassembly includes primary heater (16) and secondary heater (17), the air outlet of primary heater (16) and the air inlet of secondary heater (17) communicate, the air inlet of primary heater (16) communicates with the air outlet of blower (15), the air outlet of secondary heater (17) communicates with the spray drying tower (2).
10. The exhaust gas circulatable spray drying system of claim 1, further comprising a feedstock tank (18) and a feed pump (1), the feed pump (1) being in communication between the feedstock tank (18) and the spray drying tower (2), the feed pump (1) being capable of feeding liquid material in the feedstock tank (18) into the spray drying tower (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122351669.3U CN215781577U (en) | 2021-09-27 | 2021-09-27 | Spray drying system with recyclable waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122351669.3U CN215781577U (en) | 2021-09-27 | 2021-09-27 | Spray drying system with recyclable waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215781577U true CN215781577U (en) | 2022-02-11 |
Family
ID=80167200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122351669.3U Active CN215781577U (en) | 2021-09-27 | 2021-09-27 | Spray drying system with recyclable waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215781577U (en) |
-
2021
- 2021-09-27 CN CN202122351669.3U patent/CN215781577U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104132525B (en) | Powder material is dried cooling integration equipment | |
| CN102822410A (en) | Clothes dryer | |
| CN102288016A (en) | Energy-saving and environment-friendly drying box | |
| CN107473562A (en) | Utilize the sludge drying system and sludge drying method of used heat flue gas | |
| CN103090481B (en) | Energy conversion and ventilation device for building | |
| CN111578671A (en) | Material drying and cooling equipment | |
| CN105964088A (en) | Fume desulfurization, denitrification, dust collection and waste heat recycling integrated machine for bulk curing barn | |
| CN106595283A (en) | High-temperature dehumidifying and drying system | |
| CN102232172A (en) | Vertical and horizontal integrated heat exchange units equipped with a waste heat recovery system | |
| CN105466171B (en) | Used heat is used for the vacuum tube bank drying system of pneumatic conveying drying | |
| CN215781577U (en) | Spray drying system with recyclable waste gas | |
| CN106942777B (en) | A kind of heat pump tobacco leaf drying room with heat pipe recycling hydrofuge heat | |
| CN109140551A (en) | Smoke machine | |
| CN201906551U (en) | Dehumidifier | |
| CN112284093A (en) | Drying device | |
| CN111875222A (en) | Water source heat pump sludge drying device | |
| CN215741837U (en) | Hot-blast furnace heating type waste gas circulated spray drying system | |
| CN215781576U (en) | Heat pump heating type spray drying system with waste gas capable of being circulated | |
| CN206553376U (en) | A kind of high-temperature dehumidification dryer | |
| CN205316850U (en) | Used heat is used for pneumatic drying's vacuum tube bank drying system | |
| CN213811509U (en) | Drying device | |
| CN204085115U (en) | The dry cooling integration equipment of powder material | |
| CN106630537A (en) | Two-stage dryer | |
| CN110482828A (en) | A kind of industry sludge drying system | |
| CN207023108U (en) | A kind of spray-drying installation for milk powder processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |