CN220771821U - Device for preventing condensate water from appearing on product surface in molecular sieve drying process - Google Patents
Device for preventing condensate water from appearing on product surface in molecular sieve drying process Download PDFInfo
- Publication number
- CN220771821U CN220771821U CN202322459353.5U CN202322459353U CN220771821U CN 220771821 U CN220771821 U CN 220771821U CN 202322459353 U CN202322459353 U CN 202322459353U CN 220771821 U CN220771821 U CN 220771821U
- Authority
- CN
- China
- Prior art keywords
- molecular sieve
- hot
- drying
- heat exchanger
- hot air
- 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
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 85
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000001035 drying Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000007791 dehumidification Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims abstract 4
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a prevent device that comdenstion water appears on molecular sieve stoving in-process product surface, including the molecular sieve drying-machine that is used for carrying out the stoving processing to the molecular sieve and be used for with molecular sieve drying-machine complex hot air supply mechanism, hot air supply mechanism includes the heat exchanger, the hot chamber import intercommunication of heat exchanger has hot air input pipeline, install combustion-supporting fan and hot-blast furnace on hot air input pipeline, the hot chamber export intercommunication of heat exchanger has hot air output pipeline, the cold chamber import intercommunication of heat exchanger has dry air input pipeline, install dehumidification equipment on dry air input pipeline, air feed machine and first dew point meter, the cold chamber export intercommunication of heat exchanger has dry air output pipeline, dry air output pipeline and the hot air input intercommunication of molecular sieve drying-machine. The method can prevent water vapor from condensing on the surface of the low-temperature molecular sieve material, improve the drying effect of the low-temperature molecular sieve material and ensure the quality of molecular sieve products.
Description
Technical Field
The utility model relates to the technical field of molecular sieve drying, in particular to a device for preventing condensate water from appearing on the surface of a product in the molecular sieve drying process.
Background
At present, the molecular sieve contains certain free water after being molded, and needs to be dried by drying equipment to remove most of water before entering a roasting process for roasting.
The existing molecular sieve drying equipment is characterized in that hot air is supplied by a gas hot-blast stove, then the hot air is conveyed to each drying temperature zone through a pipeline, a circulating fan is arranged in each temperature zone, the hot air sweeps materials through the circulating fan, the materials are heated, moisture in the materials is evaporated, a moisture discharging port is arranged in each drying zone, and air containing moisture is discharged through the moisture discharging port. However, because the hot air is provided after being heated by the fuel gas, the existing drying equipment contains the steam generated after the fuel gas is combusted, when the hot air containing the steam enters a low-temperature drying area, the steam can be condensed on the surface of the material to increase the water content of the material, the drying pressure of a subsequent temperature area is increased, and meanwhile, the strength, the appearance and other performances of the product are affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the device for preventing the condensation water on the surface of the molecular sieve material at low temperature, which can prevent the condensation water on the surface of the molecular sieve material in the drying process, improve the drying effect and ensure the quality of the molecular sieve product.
The technical problems to be solved by the utility model are realized by the following technical proposal. The utility model relates to a device for preventing condensate water from occurring on the surface of a product in the drying process of a molecular sieve, which comprises a molecular sieve dryer for drying the molecular sieve and a hot air supply mechanism matched with the molecular sieve dryer, wherein the hot air supply mechanism comprises a heat exchanger, a hot cavity inlet of the heat exchanger is communicated with a hot air input pipeline, a combustion-supporting fan and a hot air furnace are arranged on the hot air input pipeline, a hot air output pipeline is communicated with a hot cavity outlet of the heat exchanger, a cold cavity inlet of the heat exchanger is communicated with a dry air input pipeline, a dehumidifying device, a fan and a first dew point instrument are arranged on the dry air input pipeline, a cold cavity outlet of the heat exchanger is communicated with a dry air output pipeline, and the dry air output pipeline is communicated with a hot air input port of the molecular sieve dryer.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the device for preventing condensate water from occurring on the surface of a product in the molecular sieve drying process, the device also comprises a material bed thermometer and a second dew point meter, wherein the material bed thermometer and the second dew point meter are both arranged in a low-temperature drying area of the molecular sieve dryer.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, for the device for preventing condensate water from occurring on the surface of the product in the molecular sieve drying process, the material bed thermometer and the second dew point meter are both arranged in linkage with a cold air regulating valve in a low temperature area of the molecular sieve dryer.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the device for preventing condensate water from occurring on the surface of the product in the drying process of the molecular sieve, the heat exchanger is a plate heat exchanger.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, and the device for preventing condensate water from occurring on the surface of the product in the drying process of the molecular sieve is provided with a hot air thermometer on the hot air input pipeline.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, and the dehumidifying equipment is a rotary dehumidifier for the device for preventing condensate water from occurring on the surface of the product in the drying process of the molecular sieve.
The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the device for preventing condensate water from occurring on the surface of a product in the molecular sieve drying process, the molecular sieve dryer comprises a machine body, wherein a material layer thickness regulator, a material storage box, a drying zone thermometer, a drying zone circulating fan, a hot air regulating valve, a mesh belt and mesh belt driving motor, a warm zone dehumidification regulating valve, a cold air regulating valve and a moisture exhausting fan are arranged on the machine body.
Compared with the prior art, the utility model has the beneficial effects that:
1. the dehumidifying equipment is arranged, so that moisture in the air can be removed firstly, the dew point of the air is less than or equal to 5 ℃, then the air exchanges heat with hot air generated by the gas furnace through the heat exchanger, and the air enters the molecular sieve dryer, so that the content of water vapor of the hot air entering the molecular sieve dryer is reduced, the condensation of the water vapor on the surface of a low-temperature molecular sieve is prevented, the quality of a molecular sieve product is prevented from being influenced, and the drying effect is improved;
2. in the low temperature drying area of molecular sieve drying-machine, still set up the material bed thermometer and be used for measuring the temperature of material bed to be provided with the second dew point meter for measure the dew point of circulated air, and then can adjust the cold wind governing valve in low temperature drying area according to material bed thermometer and second dew point meter, with the cold wind entering amount of adjustment low temperature drying area, the temperature in low temperature drying area and the total amount of the dry air of business turn over low temperature drying area can be effectual regulation, reach the purpose of controlling this low temperature drying area circulated air dew point, make the dew point of circulated air be less than or equal to the temperature of this area by the stoving molecular sieve all the time, thereby avoid molecular sieve surface to produce condensation phenomenon.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a device for preventing condensed water from occurring on a surface of a product in a molecular sieve drying process comprises a molecular sieve dryer for drying the molecular sieve and a hot air supply mechanism matched with the molecular sieve dryer, wherein the molecular sieve dryer is used for drying the molecular sieve, and the hot air supply mechanism is used for supplying hot air to the molecular sieve dryer so as to ensure a drying effect of the molecular sieve, and concretely, the hot air is hot air for removing moisture through dehumidification treatment, so that the condensed water is prevented from occurring on the surface of the product in the molecular sieve drying process, the drying pressure is reduced, and the product quality is ensured;
specifically, the hot air supply mechanism comprises a heat exchanger 4, a hot air input pipeline is communicated with a hot cavity inlet of the heat exchanger 4, a combustion-supporting fan 1 and a hot air furnace 2 are arranged on the hot air input pipeline and are used for being matched with each other, hot air is input into the hot cavity of the heat exchanger 4 by utilizing the hot air input pipeline, a hot air output pipeline is communicated with a hot cavity outlet of the heat exchanger 4, hot air in the hot cavity is conveniently and outwards output, a dry air input pipeline is communicated with a cold cavity inlet of the heat exchanger 4, a dehumidification device 6, a fan 5 and a first dew-point meter 16 are arranged on the dry air input pipeline and are used for being matched with each other, dry air subjected to dehumidification treatment is input into the heat exchanger 4, the dry air is subjected to heat exchange with hot air in the hot cavity in the heat exchanger 4 and is subjected to heat exchange and temperature rise, a dry air output pipeline is communicated with a hot air input port of the molecular sieve dryer, and the dry air output pipeline is conveniently and conveniently utilized to input dry air subjected to dehumidification and heat exchange temperature rise into the molecular sieve dryer, and drying treatment is conveniently carried out on the molecular sieve; the first dew point meter 16 is configured to detect the dew point of the dry air input into the heat exchanger 4, where the dew point of the dry air to be input is generally less than or equal to 5 ℃, so as to ensure the drying effect of the subsequent molecular sieve, specifically, the air supply amount can be realized by adjusting the air speed of the air supply fan 5, so that the dew point of the air is convenient to adjust;
preferably, the heat exchanger 4 is a plate heat exchanger 4, so that the heat exchange efficiency is high, the heat loss is small, the hot cavity and the cold cavity of the heat exchanger are not communicated, the mixing of two materials for heat exchange is avoided, and the use requirement of the heat exchanger can be well met;
a hot air thermometer 3 is also arranged on the hot air input pipeline and is used for adjusting the temperature of the hot air input into the heat exchanger 4 and helping to ensure the temperature of the input hot air; the temperature of the hot blast stove 2 is adjusted according to the detection temperature of the hot blast thermometer 3, and the temperature range of the hot blast can be adjusted from 0 ℃ to 300 ℃;
the dehumidification equipment 6 is a rotary dehumidifier, is energy-saving and environment-friendly, has high dehumidification efficiency, is convenient to meet the use requirements of the application, and removes the moisture contained in the air to ensure that the dew point of the air is less than or equal to 5 ℃;
specifically, the molecular sieve dryer adopts a molecular sieve dryer in the prior art, and comprises a dryer body, wherein a material layer thickness regulator 7, a material storage box 8, a drying zone thermometer 9, a drying zone circulating fan 10, a hot air regulating valve 11, a mesh belt and mesh belt driving motor 12, a warm zone dehumidification regulating valve 13, a cold air regulating valve 14 and a dehumidification fan 15 are arranged on the dryer body.
In order to further improve the drying quality of the molecular sieve, the device further comprises a material bed thermometer 18 and a second dew-point meter 17, wherein the material bed thermometer 18 and the second dew-point meter 17 are both arranged in a low-temperature drying area of the molecular sieve dryer, the material bed thermometer 18 is used for measuring the material bed temperature at the low-temperature drying area of the molecular sieve dryer, and the second dew-point meter 17 is used for measuring the dew point of circulating air at the low-temperature drying area of the molecular sieve dryer so as to adjust the cold air inlet amount of the low-temperature drying area according to a measuring structure, so that the temperature of the low-temperature drying area and the total amount of drying air entering and exiting the low-temperature drying area are adjusted, the aim of controlling the dew point of the circulating air in the low-temperature drying area is fulfilled, and the dew point of the circulating air is always smaller than or equal to the temperature of the dried molecular sieve in the low-temperature drying area, thereby avoiding condensation phenomenon on the surface of the molecular sieve; preferably, the bed thermometer 18 and the second dew point meter 17 are both set in linkage with the cold air adjusting valve 14 in the low temperature area of the molecular sieve dryer, that is, the adjustment of the cold air adjusting valve 14 is determined according to the measurement conditions of the bed thermometer 18 and the second dew point meter 17, the adjustment action can be performed by manual judgment, or a controller is set, and in particular, in what manner, the adjustment action can be selected by a person skilled in the art according to actual needs.
When the air dryer is used, a molecular sieve to be dried is input into the molecular sieve dryer, then, the combustion-supporting fan 1, the hot air furnace 2, the air supply fan 5 and the dehumidification equipment 6 are started, so that dehumidified and dried air is subjected to heat exchange and temperature rise with hot air in the heat exchanger 4 and then is input into the molecular sieve dryer to carry out drying treatment on the molecular sieve, meanwhile, the temperature of hot air output by the hot air furnace 2 can be adjusted according to the measurement condition of the hot air thermometer 3, the air speed of the air supply fan 5 is adjusted according to the measurement condition of the first dew point meter 16, the dew point of dehumidified and dried air is controlled, the content of water vapor entering the molecular sieve dryer is reduced, the condensation of the water vapor on the surface of the low-temperature molecular sieve is prevented, the quality of a molecular sieve product is influenced, and the drying effect is improved;
secondly, the cold air adjusting valve 14 of the molecular sieve dryer can be adjusted according to the measurement conditions of the material bed thermometer 18 and the second dew point meter 17 so as to adjust the cold air entering into the low-temperature drying area of the molecular sieve dryer, so that the dew point of circulating air in the area is always smaller than or equal to the temperature of the dried molecular sieve in the area, and the phenomenon of condensation on the surface of the molecular sieve is avoided.
Claims (7)
1. A device for preventing condensate water from appearing on the surface of a product in the drying process of a molecular sieve is characterized in that: including the molecular sieve drying-machine that is used for carrying out the stoving processing to the molecular sieve and be used for with molecular sieve drying-machine complex hot-blast feed mechanism, hot-blast feed mechanism includes the heat exchanger, the hot-chamber import intercommunication of heat exchanger has hot-blast input pipeline, install combustion-supporting fan and hot-blast furnace on hot-blast input pipeline, the hot-chamber export intercommunication of heat exchanger has hot-blast output pipeline, the cold chamber import intercommunication of heat exchanger has dry air input pipeline, install dehumidification equipment on dry air input pipeline, air feed machine and first dew point meter, the cold chamber export intercommunication of heat exchanger has dry air output pipeline, dry air output pipeline and the hot-blast input intercommunication of molecular sieve drying-machine.
2. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve as claimed in claim 1, wherein: the device also comprises a material bed thermometer and a second dew point meter, wherein the material bed thermometer and the second dew point meter are both arranged in a low-temperature drying area of the molecular sieve dryer.
3. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve according to claim 2, wherein: and the material bed thermometer and the second dew point meter are both arranged in linkage with a cold air regulating valve in a low temperature area of the molecular sieve dryer.
4. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve as claimed in claim 1, wherein: the heat exchanger is a plate heat exchanger.
5. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve according to claim 1 or 4, wherein: a hot air thermometer is also arranged on the hot air input pipeline.
6. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve according to claim 1 or 4, wherein: the dehumidification device is a rotary dehumidifier.
7. The apparatus for preventing condensate water from occurring on the surface of a product during drying of a molecular sieve as claimed in claim 1, wherein: the molecular sieve dryer comprises a dryer body, wherein a material layer thickness regulator, a material storage box, a drying zone thermometer, a drying zone circulating fan, a hot air regulating valve, a mesh belt and mesh belt driving motor, a temperature zone dehumidification regulating valve, a cold air regulating valve and a dehumidification fan are arranged on the dryer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322459353.5U CN220771821U (en) | 2023-09-11 | 2023-09-11 | Device for preventing condensate water from appearing on product surface in molecular sieve drying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322459353.5U CN220771821U (en) | 2023-09-11 | 2023-09-11 | Device for preventing condensate water from appearing on product surface in molecular sieve drying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771821U true CN220771821U (en) | 2024-04-12 |
Family
ID=90605143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322459353.5U Active CN220771821U (en) | 2023-09-11 | 2023-09-11 | Device for preventing condensate water from appearing on product surface in molecular sieve drying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771821U (en) |
-
2023
- 2023-09-11 CN CN202322459353.5U patent/CN220771821U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110360815B (en) | Hot air and vacuum pulsation combined drying method and equipment for temperature and humidity control | |
| CN101254022B (en) | Smoked sheet multiple roasting method and special-purpose equipment thereof | |
| CN105671916A (en) | Controlling method for air discharging type clothes drier | |
| CN204757580U (en) | Energy -saving full -automatic postforming borduring machine | |
| CN113498872A (en) | Far infrared combined heat pump drying device and peanut drying method | |
| CN104273217A (en) | Series heating type counter flow grain dryer | |
| CN107020798A (en) | A kind of energy-saving printing drying system | |
| CN104964527B (en) | Lumber kiln | |
| CN101911985A (en) | Efficient energy-saving green removing machine | |
| CN113609660B (en) | Numerical simulation method for predicting heat transfer rule of clothes in clothes dryer | |
| CN113669806B (en) | Self-adaptive control method for finned tube type coating dehumidification unit | |
| CN114659342A (en) | Traditional Chinese medicine browning drying device and method based on accurate temperature and humidity control | |
| CN109173560B (en) | Condensation circulation heat increasing continuous variable-temperature grain drying energy-saving device and control method thereof | |
| CN207527938U (en) | Combined drying system | |
| CN220771821U (en) | Device for preventing condensate water from appearing on product surface in molecular sieve drying process | |
| CN116497623B (en) | Intelligent drying device of toilet paper machine and operation method thereof | |
| CN109173559B (en) | Condensing circulation heat-increasing batch type circulating grain drying energy-saving device | |
| CN206207966U (en) | Water circulation type function of mechanical steam recompression MVR drying systems | |
| CN104890084B (en) | A kind of energy-saving heat_treated wood kiln and its Wood heat treatment method | |
| CN111912211A (en) | Sludge heat pump drying system based on air treatment unit | |
| CN201182191Y (en) | Special-purpose equipment for redrying smoked sheet | |
| CN114909896B (en) | Automatic control method and system for air quantity applied to continuous drying | |
| CN208175979U (en) | A kind of cut tobacco winnowing machine circulated air humiture control system on the spot | |
| CN115751906A (en) | Industrial production drying system, control method thereof and drying equipment | |
| RU2471558C2 (en) | Method of automatic control over hydrothermal oats grain treatment in production of oat flour |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |