CN211189396U - Polyvinyl chloride hot-mixing dehumidification dust collection circulating system - Google Patents
Polyvinyl chloride hot-mixing dehumidification dust collection circulating system Download PDFInfo
- Publication number
- CN211189396U CN211189396U CN201921944700.0U CN201921944700U CN211189396U CN 211189396 U CN211189396 U CN 211189396U CN 201921944700 U CN201921944700 U CN 201921944700U CN 211189396 U CN211189396 U CN 211189396U
- Authority
- CN
- China
- Prior art keywords
- pneumatic valve
- cyclone separator
- dehumidification
- hot
- dust
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 67
- 238000007791 dehumidification Methods 0.000 title claims abstract description 32
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 30
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims description 37
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 24
- 238000007664 blowing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- -1 azo compound Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model provides a polyvinyl chloride hot-mixing dehumidification dust collection circulation system, the hot-mixing reactor is provided with a feed hole, a discharge hole, a first connecting port and a second connecting port, a temperature sensor is arranged in the hot-mixing reactor, a feeding pneumatic valve is arranged on the feed hole, a feed inlet of a cyclone separator is connected with the first connecting port through a dehumidification pneumatic valve, an exhaust port of the cyclone separator is connected with a dehumidification fan pipeline, a discharge port of the cyclone separator is connected with the second connecting port through a discharge pneumatic valve, a metering material tank is arranged on the feed hole of the hot-mixing reactor through a gravity sensor, a controller is respectively electrically connected with the temperature sensor, the gravity sensor, the hot-mixing reactor, the cyclone separator, the dehumidification fan, the feeding pneumatic valve, the dehumidification pneumatic valve and the discharge pneumatic valve, the controller receives the sensing signal of the sensor in real time to drive the dust collected by the cyclone separator to be recycled. This system realizes the recycle of raw materials dust, avoids the secondary pollution to the environment simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the polyvinyl chloride dehumidification, especially, relate to a polyvinyl chloride hot mix dehumidification collection dirt circulation system.
Background
Polyvinyl chloride (pvc), abbreviated as pvc (polyvinyl chloride), is an initiator for Vinyl Chloride Monomer (VCM), such as peroxide and azo compound; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins. In industry, polyvinyl chloride is odorless, nontoxic, wax-like in hand feeling, excellent in low-temperature resistance, good in chemical stability and capable of resisting corrosion of most of acid and alkali. It is insoluble in general solvents at room temperature, has low water absorption and excellent electrical insulation properties. In addition, the polyvinyl chloride has good forming manufacturability and low price, so the polyvinyl chloride is widely applied to the pipe manufacturing industry.
In the production process of polyvinyl chloride pipes, solid granular polyvinyl chloride raw materials need to be heated and mixed in the feeding stage, and the raw materials need to be dehumidified and collected with dust in the process, so that the problems of end surface air holes and internal and external surface melt fracture of products caused by overlarge moisture content of the raw materials are prevented. The traditional solution is that the filter core dust is got rid of to the discontinuous blowback gas of pulse when hot mixing work, and this scheme easily appears the phenomenon of aqueous vapor, dust adhesion filter core, and this scheme more uses the sack cleaner to remove dust and handles, gets into the filter chamber with dirt-laden air, and coarser granule directly falls into the ash bin, and the dirt-laden gas filters through the filter bag, and the dust stays in the bag table, and the air-purifying is discharged into the atmosphere by the fan through sack to the air-purifying chamber. In the using process, the programmable controller starts to work along with the continuous increase of dust on the surface of the filter bag, the pulse valve is opened, compressed air is used for blowing and cleaning the filter bag, the filter bag is suddenly expanded, the dust on the bag surface is rapidly separated from the filter bag and falls into the dust bin under the action of reverse airflow, and then the dust is discharged from the dust discharging valve. The mode of present cyclone dust removal with bag dust removal has the problem that equipment investment is big, area is big, maintenance cost is high, and the filter effect of bag dust remover is relatively poor moreover, and the filter bag takes place to block up easily, and some dust can discharge the atmosphere along with the airing exhaust of bag dust remover, the polluted environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a polyvinyl chloride hot-mixing dehumidification collection dirt circulation system, realize the gas-material separation through cyclone's setting, given up the use of filter core, can prevent aqueous vapor, dust adhesion filter core, discharge gate through cyclone is via blowdown pneumatic valve and second connector connection, realizes the recycle of raw materials dust, avoids the secondary pollution to the environment and the waste of the heating energy simultaneously.
In order to solve the above problems, the specific technical solution of the present invention is as follows:
a polyvinyl chloride hot mix dehumidification dust collection circulation system comprises: the device comprises a hot mixing reactor, a cyclone separator, a dehumidification fan, a metering material tank, a feeding pneumatic valve, a dehumidifying pneumatic valve, a discharging pneumatic valve, a temperature sensor, a gravity sensor and a controller, wherein the hot mixing reactor is respectively provided with a feeding hole, a discharging hole, a first connecting port and a second connecting port, the temperature sensor is arranged in the hot mixing reactor, the feeding pneumatic valve is arranged on the feeding hole, a feeding hole of the cyclone separator is connected with the first connecting port through a pipeline through the dehumidifying pneumatic valve, an exhaust port of the cyclone separator is connected with the dehumidifying fan through a pipeline, a discharging hole of the cyclone separator is connected with the second connecting port through the discharging pneumatic valve, the metering material tank is arranged on the feeding hole of the hot mixing reactor through the gravity sensor, and the gravity sensor is arranged on a discharging hole of the metering material tank, the controller is respectively and electrically connected with the temperature sensor, the gravity sensor, the hot mixing reactor, the cyclone separator, the dehumidification fan, the feeding pneumatic valve, the dehumidifying pneumatic valve and the discharging pneumatic valve, so that the controller receives sensing signals of the temperature sensor and the gravity sensor in real time to drive the dust collected by the cyclone separator to be recycled.
Preferably, a discharging pneumatic valve is arranged on a discharging hole of the hot mixing reactor, and the discharging pneumatic valve is electrically connected with the controller.
Preferably, a discharging vibrator is arranged on the outer wall of the dust collecting chamber of the cyclone separator and connected with the controller.
Preferably, a dust filter screen is arranged on an exhaust port of the cyclone separator.
Preferably, the hot mixing reactor is a PVC high speed mixer.
Preferably, the dehumidification fan is a high temperature resistant dehumidification fan.
The utility model provides a polyvinyl chloride hot-mixing dehumidification collection dirt circulation system has realized the gas material separation through setting up cyclone, has solved the phenomenon of aqueous vapor, dust adhesion filter core simultaneously to with the cyclone discharge gate via discharge pneumatic valve and second connector pipeline connection, realize the cyclic utilization of dust. Specifically, when the gravity sensor senses that the weight of raw materials in a metering material tank on a feeding hole of a thermal reactor reaches a preset value, a controller drives a main feeding pneumatic valve of the metering material tank to be closed, the feeding pneumatic valve is opened and drives a thermal mixing reactor to work, when the temperature sensor senses that the temperature of the raw materials in the thermal mixing reactor reaches the preset value of an evaporation state, the controller drives a dehumidifying pneumatic valve to be opened and drives a cyclone separator and a dehumidifying fan to operate, the discharging pneumatic valve is closed at the moment, moisture of the thermal mixing reactor is transmitted into the cyclone separator through the dehumidifying pneumatic valve to be separated from gas, separated water is output through the dehumidifying fan, and separated dust is collected in a collecting hopper of the cyclone separator. When the temperature sensor senses that the temperature of the raw materials in the thermal mixing reactor is in a discharging state, the controller drives the thermal mixing reactor to discharge materials; the blowing finishes the back, and controller drive hydrofuge pneumatic valve is closed, and the drive hot-mixing reactor carries out the secondary and feeds in raw materials, and the dust of collecting is transmitted to the hot-mixing reactor through the blowdown pneumatic valve and is in order cyclic utilization simultaneously, senses when measuring the material jar in raw materials weight reaches the default as gravity sensor, and the blowdown pneumatic valve is closed to the controller. Therefore, in the system, the dust materials of the collector are discharged by blowing in a circulating feeding process for a short time, compared with the prior art, the air source is saved, the secondary pollution is avoided, and the separated dry dust materials cannot cause adverse effects on the production process.
In addition, the discharge vibrator can be matched with air blowing to further accelerate the discharge of the dust materials, the dust materials can be prevented from blocking the cyclone separator, the energy consumption is convenient, the energy is saved, and the discharge vibrator only needs to be started in the dust material discharge process.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a polyvinyl chloride hot mix dehumidification dust collection circulation system of the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of the recycling system for polyvinyl chloride hot mix dehumidification and dust collection of the present invention.
Detailed Description
To facilitate understanding of the structure of the present invention, the following description is made with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of a polyvinyl chloride hot-mix dehumidification dust-collection circulation system of the present invention, and fig. 2 is a schematic circuit diagram of an embodiment of a polyvinyl chloride hot-mix dehumidification dust-collection circulation system of the present invention. As shown in fig. 1 and 2, the utility model provides a polyvinyl chloride hot-mixing dehumidification dust collection circulation system, which comprises: a hot mix reactor 10, a cyclone 20, a dehumidification fan 30, a moisture exhaust pneumatic valve 40, a blowdown pneumatic valve 50, a temperature sensor 60, a gravity sensor 70, a metering bucket 100, a feed pneumatic valve, and a controller 80.
Wherein, a feeding hole 11, a discharging hole, a first connecting port 12 and a second connecting port 13 are respectively arranged on the thermal mixing reactor 10, a temperature sensor 60 is arranged in the thermal mixing reactor 10, a feeding pneumatic valve is arranged on the feeding hole 11, a feeding hole of the cyclone separator 20 is connected with the first connecting port 12 through a dehumidifying pneumatic valve 40, an exhaust hole of the cyclone separator 20 is connected with a dehumidifying fan 30 through a pipeline, a discharging hole of the cyclone separator 20 is connected with the second connecting port 13 through a discharging pneumatic valve 50, a metering material tank 100 is arranged on the feeding hole 11 of the thermal mixing reactor 10 through the gravity sensor 70, the gravity sensor 70 is arranged on a discharging hole of the metering material tank 100, a controller 80 is respectively electrically connected with the temperature sensor 60, the gravity sensor 70, the thermal mixing reactor 10, the cyclone separator 20, the dehumidifying fan 30, the feeding pneumatic valve, the dehumidifying pneumatic valve 40 and the discharging pneumatic valve 50, so as to receive the sensing signals of the temperature sensor 60 and the gravity sensor 70 in real time through the controller 80 to drive the dust collected by the cyclone separator 20 to be recycled. This system has realized the gas-material separation through setting up cyclone 20, has solved the phenomenon of aqueous vapor, dust adhesion filter core simultaneously to with cyclone 20 discharge gate via discharge pneumatic valve 50 and second connector 13 pipe connection, realize the cyclic utilization of dust. In a specific application, when the gravity sensor 70 senses that the weight of the raw material in the metering bucket 100 reaches a preset value (the raw material in the metering bucket 100 is input into the thermal mixing reactor 10), the controller 80 drives the main feeding pneumatic valve of the metering bucket 100 to close, the feeding pneumatic valve is opened and the thermal mixing reactor 10 is driven to work until the temperature sensor 60 senses that the temperature of the raw material in the thermal mixing reactor 10 reaches an evaporation state preset value (in practical application, the temperature of the raw material reaches the evaporation state preset value ranging from 75 ℃ to 80 ℃, preferably 75 ℃ in this embodiment), under the temperature state, the polyvinyl chloride, the calcium powder and the auxiliary agent are in a kneading state, the dust is small, the moisture of the raw material is slowly evaporated, the controller 80 drives the dehumidifying pneumatic valve 40 to open, and drives the cyclone separator 20 and the dehumidifying fan 30 to operate, at this time, the discharging pneumatic valve 50 is closed, the moisture of the thermal mixing reactor 10 is transmitted into the cyclone separator 20 through the dehumidifying pneumatic valve 40 for gas-material separation, the separated water and gas are output through the dehumidifying fan 30, and the separated dust material is collected in a collecting hopper of the cyclone separator. When the temperature sensor 60 senses that the raw material temperature in the thermal mixing reactor 10 is in the discharging state (in practical application, the preset temperature value of the discharging state is 120 degrees), the controller 80 drives the thermal mixing reactor 10 to discharge the heated raw material (in this embodiment, the discharging hole is provided with a discharging pneumatic valve, and the discharging pneumatic valve is electrically connected with the controller). The blowing finishes the back, the controller drive hydrofuge pneumatic valve is closed, the drive hot mixing reactor 10 carries out the secondary reinforced (the feeding pneumatic valve electrical connection of controller 80 and feed inlet), controller 80 drive blowdown pneumatic valve is opened simultaneously, the dust of collection is transmitted to the hot mixing reactor 10 in with cyclic utilization via blowdown pneumatic valve 50, when gravity sensor 70 senses raw materials weight reduction to the default in the measurement material jar 100, blowdown pneumatic valve 50 and feeding pneumatic valve are closed to controller 80, at the reinforced in-process of circulation, because receive the raw materials there is a large amount of raise dusts, the hydrofuge pneumatic valve 40 is the closed condition this moment. Therefore, this system is through in the reinforced opportunity of circulation, and the short-time gas blowing gets rid of collector dust material, avoids secondary pollution simultaneously for prior art sparingly the air supply, mainly through retrieving the recycle to collector dust material, has avoided collector dust material to discharge to the atmosphere among the prior art, and the dust material after the drying can not cause harmful effects to production process.
In this embodiment, a discharging vibrator 90 is disposed on an outer wall of the dust collecting chamber of the cyclone separator 20, and the discharging vibrator 90 is connected to the controller 80. The arrangement of the discharging vibrator 90 can be matched with the reverse blowing of the dehumidifying fan 30 to further accelerate the discharge of the dust material, the cyclone separator 20 can be prevented from being blocked by the dust material, and the discharging vibrator 90 only needs to be started in the dust discharging process of the cyclone separator 20, so that the energy consumption is convenient and energy-saving.
In practical application, a dust filter screen is arranged on an exhaust port of the cyclone separator 20, the hot mixing reactor 10 is a PVC high-speed mixer, the dehumidifying fan 30 is a high-temperature-resistant dehumidifying fan, and the controller is a plc intelligent controller, for example, the controller includes a programmable controller cpu-cjh-cpu64, a digital quantity module cj1w-0d263 and an analog quantity module cj1w-ad 042.
The utility model provides a polyvinyl chloride hot-mixing dehumidification collection dirt circulation system has realized the gas material separation through setting up cyclone, has solved the phenomenon of aqueous vapor, dust adhesion filter core simultaneously to with the cyclone discharge gate via discharge pneumatic valve and second connector pipeline connection, realize the cyclic utilization of dust. Specifically speaking, when the gravity sensor senses that the weight of the raw materials in the metering material tank reaches a preset value, the controller drives the main feeding pneumatic valve of the metering material tank to be closed, the feeding pneumatic valve is opened and the hot mixing reactor is driven to work, when the temperature sensor senses that the temperature of the raw materials in the hot mixing reactor reaches the preset value of an evaporation state, the controller drives the dehumidifying pneumatic valve to be opened and drives the cyclone separator and the dehumidifying fan to operate, the discharging pneumatic valve is closed at the moment, the moisture of the hot mixing reactor is transmitted into the cyclone separator through the dehumidifying pneumatic valve to be separated, the separated moisture is output through the dehumidifying fan, and the separated dust materials are collected in a collecting hopper of the cyclone separator. When the temperature sensor senses that the temperature of the raw materials in the thermal mixing reactor is in a discharging state, the controller drives the thermal mixing reactor to discharge materials; the blowing finishes the back, and controller drive hydrofuge pneumatic valve is closed, and the drive hot-mixing reactor carries out the secondary and feeds in raw materials, and the controller drive blowdown pneumatic valve is opened simultaneously, and the dust of collecting is transmitted to the hot-mixing reactor in with cyclic utilization via the blowdown pneumatic valve, and when gravity sensor sensed in the measurement material jar raw materials weight reduction to the default, blowdown pneumatic valve and feeding pneumatic valve were closed to the controller, according to the unlimited circulation of above-mentioned order. Therefore, the system blows and removes dust materials of the collector in a short time in the circulating feeding process, saves an air source and avoids secondary pollution compared with the prior art, and the separated dry dust materials cannot cause adverse effects on the production process.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.
Claims (6)
1. A polyvinyl chloride hot mixing dehumidification dust collection circulating system is characterized by comprising: the device comprises a hot mixing reactor, a cyclone separator, a dehumidification fan, a metering material tank, a feeding pneumatic valve, a dehumidifying pneumatic valve, a discharging pneumatic valve, a temperature sensor, a gravity sensor and a controller, wherein the hot mixing reactor is respectively provided with a feeding hole, a discharging hole, a first connecting port and a second connecting port, the temperature sensor is arranged in the hot mixing reactor, the feeding pneumatic valve is arranged on the feeding hole, a feeding hole of the cyclone separator is connected with the first connecting port through a pipeline through the dehumidifying pneumatic valve, an exhaust port of the cyclone separator is connected with the dehumidifying fan through a pipeline, a discharging hole of the cyclone separator is connected with the second connecting port through the discharging pneumatic valve, the metering material tank is arranged on the feeding hole of the hot mixing reactor through the gravity sensor, and the gravity sensor is arranged on a discharging hole of the metering material tank, the controller is respectively and electrically connected with the temperature sensor, the gravity sensor, the hot mixing reactor, the cyclone separator, the dehumidification fan, the feeding pneumatic valve, the dehumidifying pneumatic valve and the discharging pneumatic valve, so that the controller receives sensing signals of the temperature sensor and the gravity sensor in real time to drive the dust collected by the cyclone separator to be recycled.
2. The polyvinyl chloride hot mix dehumidification dust collection circulation system of claim 1, wherein a discharge pneumatic valve is arranged on a discharge hole of the hot mix reactor, and the discharge pneumatic valve is electrically connected with the controller.
3. The recycling system of claim 1, wherein the cyclone separator has a discharge vibrator on the outer wall of the dust chamber, and the discharge vibrator is connected to the controller.
4. The polyvinyl chloride hot mix dehumidification dust collection circulation system of claim 1, wherein a dust filter screen is disposed on an exhaust port of the cyclone separator.
5. The polyvinyl chloride hot mix dehumidification dust collection circulation system of claim 1, wherein the hot mix reactor is a PVC high speed mixer.
6. The polyvinyl chloride hot mix dehumidification dust collection circulation system of claim 1, wherein the dehumidification fan is a high temperature resistant dehumidification fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921944700.0U CN211189396U (en) | 2019-11-12 | 2019-11-12 | Polyvinyl chloride hot-mixing dehumidification dust collection circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921944700.0U CN211189396U (en) | 2019-11-12 | 2019-11-12 | Polyvinyl chloride hot-mixing dehumidification dust collection circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211189396U true CN211189396U (en) | 2020-08-07 |
Family
ID=71879791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921944700.0U Active CN211189396U (en) | 2019-11-12 | 2019-11-12 | Polyvinyl chloride hot-mixing dehumidification dust collection circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211189396U (en) |
-
2019
- 2019-11-12 CN CN201921944700.0U patent/CN211189396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203687563U (en) | Pneumatic drying device for material breaking | |
| CN105651031B (en) | A kind of rotary flashing drying equipment and rotary flashing drying method | |
| CN2929612Y (en) | Bag type dust removing system for drying device | |
| CN211189396U (en) | Polyvinyl chloride hot-mixing dehumidification dust collection circulating system | |
| CN106949712A (en) | Helix tube type pneumatic drier | |
| CN109248509A (en) | A kind of mixing station dust-extraction unit | |
| CN201197926Y (en) | Self material and raw material wood chip tail gas purifying apparatus for producing active carbon by chemical method | |
| CN205425745U (en) | Rotatory flash distillation sack dust removal desiccator of pesticide | |
| CN209147574U (en) | A kind of crude waste drying system | |
| CN108800895B (en) | Protein powder drying system and drying method | |
| CN215613963U (en) | Intelligent dust removal system for material bin of proportioning machine | |
| CN206122314U (en) | Energy -conserving kitchen garbage processing apparatus | |
| CN210486438U (en) | Superfine aluminium hydroxide drying device | |
| CN107224831A (en) | A kind of spray drying tower waste gas dedusting processing equipment | |
| CN110108092B (en) | High-speed rotational flow low-temperature drying system, method and application | |
| CN218238059U (en) | Airflow dryer for processing sodium pyroantimonate | |
| CN207042165U (en) | A kind of spray drying tower waste gas dedusting processing equipment | |
| CN102976368A (en) | Method for lowering inorganic ultrafine powder slurry moisture content by adding rotary drum pressurizing type filtering machine | |
| CN206367809U (en) | Multifunctional all pharmaceutical device | |
| CN201637254U (en) | One-cylinder type dehumidification dried regenerating device | |
| CN206688451U (en) | A kind of new type high temperature moisture-resistant bag-type dust removing system | |
| CN2456908Y (en) | Circulation hot wind drier | |
| WO2003031894A1 (en) | Temperature- adjustable air-compression type drier | |
| CN206176924U (en) | Fire hazard prevention's automatic material dryer in advance | |
| CN213193203U (en) | Mixed centrifugal dry reaction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A PVC hot mix dehumidification and dust collection circulation system Effective date of registration: 20231211 Granted publication date: 20200807 Pledgee: China Construction Bank Guangshui Branch Pledgor: HUBEI DAYANG PLASTIC Co.,Ltd. Registration number: Y2023980070660 |