CN207270735U - A kind of vacuum spray dehydrator group - Google Patents
A kind of vacuum spray dehydrator group Download PDFInfo
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- CN207270735U CN207270735U CN201721256770.8U CN201721256770U CN207270735U CN 207270735 U CN207270735 U CN 207270735U CN 201721256770 U CN201721256770 U CN 201721256770U CN 207270735 U CN207270735 U CN 207270735U
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Abstract
The utility model provides a kind of vacuum spray dehydrator group, belongs to technical field of chemical.Vacuum spray dehydrator group includes drying tower, feed pipe, feed pump, heater and vacuum pump.By by existing open type constant pressure and dry form, being changed to carry out exterior conductive heating to feed liquid, and feed liquid is under vacuum environment and is dried and evaporates, under vacuum negative pressure condition, the boiling point of liquid reduces, therefore, feed liquid can also evaporate solvent under low-temperature condition, so as to effectively reduce energy consumption.Further, since feed liquid is in the drying process, unused gas is heated, and therefore, the discharged exhaust gas of drying process is greatly reduced, and thermal loss reduces, and energy consumption is lower, effectively save production cost, the pollution smaller to environment.
Description
Technical field
Technical field of chemical is the utility model is related to, in particular to a kind of vacuum spray dehydrator group.
Background technology
In chemical field, often feed liquid is dried powdering using chemical industry equipment, wherein feed liquid can be solution,
Lotion, suspension or pasty liquid etc..Existing feed liquid drying means energy consumption is higher, waste of energy and causes processing cost higher.
Utility model content
The purpose of this utility model is to provide a kind of vacuum spray dehydrator group, feed liquid is set to heat under vacuum conditions simultaneously
It is dry, effectively reduce energy consumption, save the energy, reduce production cost.
The utility model is realized in this way：
The utility model embodiment provides a kind of vacuum spray dehydrator group, and the vacuum spray dehydrator group includes dry
Dry tower, feed pipe, feed pump, heater and vacuum pump, the drying tower have the drying chamber of closing, the feed pipe
One end is used to connect with holding the material liquid tank of feed liquid, and the other end of the feed pipe connects with the drying chamber and is provided with use
In the atomizer being atomized to feed liquid, the bottom of the drying tower is provided with the first outlet valve, and the feed pump is arranged at
On the feed pipe and for the feed liquid in material liquid tank to be delivered in the drying chamber through the feed pipe, the heating
Device is arranged at the outside of the feed pipe and for carrying out conduction heating, the vacuum to the feed liquid inside the feed pipe
Pump connects with the drying chamber and for being vacuumized to the drying chamber.
As the alternative of above-described embodiment, the vacuum spray dehydrator group further includes separating mechanism, the separation
Mechanism includes cyclone separator or cloth bag separator, is connected between the drying chamber and the vacuum pump by the separating mechanism
It is logical.
As the alternative of above-described embodiment, the vacuum spray dehydrator group further includes solvent recovery component, described
Solvent recovery component includes filter, condenser and the surge tank being sequentially communicated, and the filter is located at the upper of the condenser
Trip, the surge tank are located at the downstream of the condenser, pass through the solvent recovery between the drying chamber and the vacuum pump
Component connects.
As the alternative of above-described embodiment, the surge tank has inlet and outlet, and the height of the import is more than
The height of the outlet.
As the alternative of above-described embodiment, the vacuum spray dehydrator group further includes rotary wash ball, the rotation
Turn the inside that rotating wash bowl is rotatably arranged at the drying tower, the rotary wash ball is driven by high-pressure pump.
As the alternative of above-described embodiment, the vacuum in the drying tower is -0.04~-0.1MPa.
As the alternative of above-described embodiment, the heater is heating pipe, and the heating pipe is sheathed on described
The outside of feed pipe, forms between the heating pipe and the feed pipe and is used for for adding the heating of hot liquid flow to lead to
Road, the heating pipe have the inlet and liquid outlet connected with the heating passage.
As the alternative of above-described embodiment, the atomizer is located at the center of top of the drying tower.
As the alternative of above-described embodiment, the feed pump is high-pressure pump.
The utility model embodiment additionally provides a kind of vacuum spray dehydrator group, and the vacuum spray dehydrator group includes
Drying tower, feed pipe, feed pump, heater, vacuum pump, separating mechanism, solvent recovery component and rotary wash ball, it is described dry
Dry tower has the drying chamber of closing, and one end of the feed pipe is used to connect with holding the material liquid tank of feed liquid, the feed pipe
The other end in road connects with the drying chamber and is provided with the atomizer for being atomized to feed liquid, the bottom of the drying tower
Portion is provided with the first outlet valve, and the feed pump is arranged on the feed pipe and for by described in the feed liquid warp in material liquid tank
Feed pipe is delivered in the drying chamber, and the heater is arranged at the outside of the feed pipe and for the charging
Feed liquid inside pipeline carries out conduction heating；The separating mechanism includes cyclone separator or cloth bag separator, and the solvent returns
Receiving component includes the filter, condenser and the surge tank that are sequentially communicated, and the filter is located at the upstream, described of the condenser
Surge tank is located at the downstream of the condenser, by the separating mechanism and described molten between the drying chamber and the vacuum pump
Agent recycling component connection, the vacuum pump are used to vacuumize the drying chamber, and the heater is heating pipe, the heating
Pipeline is sheathed on the outside of the feed pipe, is formed and is used for for heating liquid between the heating pipe and the feed pipe
The heating passage of flowing, the heating pipe have the inlet and liquid outlet connected with the heating passage.
Compared with prior art, the beneficial effects of the utility model are：
The vacuum spray dehydrator group that the utility model embodiment provides includes drying tower, feed pipe, feed pump, heating
Device and vacuum pump, drying tower have the drying chamber of closing, and drying chamber forms vacuum environment under the action of vacuum pump, and feed pump is used
Feed liquid in by material liquid tank is delivered in drying chamber through feed pipe, and heater is used to carry out the feed liquid inside feed pipe
Conduction heating.
By by existing open type constant pressure and dry form, being changed to carry out exterior conductive heating to feed liquid, and feed liquid is in
It is dried and evaporates under vacuum environment, under vacuum negative pressure condition, the boiling point of liquid reduces, and therefore, feed liquid is under low-temperature condition
Also solvent can be evaporated, so as to effectively reduce energy consumption.Further, since feed liquid is in the drying process, unused gas is heated,
Therefore, the discharged exhaust gas of drying process is greatly reduced, and thermal loss reduces, and energy consumption is lower, effectively save production cost, right
The pollution smaller of environment.
Brief description of the drawings
Fig. 1 is the structure diagram for the vacuum spray dehydrator group that the prior art provides；
Fig. 2 is the structure diagram for the vacuum spray dehydrator group that the utility model embodiment 1 provides；
Fig. 3 is the structure diagram for the vacuum spray dehydrator group that the utility model embodiment 2 provides；
Fig. 4 is the structure diagram of the solvent recovery component of Fig. 3.
Icon：100- vacuum spray dehydrator groups；101- material liquid tanks；102- drying towers；103- feed pipes；104- is fed
Pump；105- heaters；106- vacuum pumps；107- atomizers；The first outlet valves of 108-；109- separating mechanisms；110- solvents return
Receive component；111- filters；112- condensers；113- surge tanks；The second outlet valves of 114-；The 3rd outlet valves of 115-；116- revolves
Turn rotating wash bowl.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " etc. are only used for area in the description of the utility model
Divide description, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
It to be to be connected directly, can also be indirectly connected by intermediary, can be the connection inside two elements." connection " can be
Directly connect, can also be by intermediary indirect communication, for the ordinary skill in the art, can be with concrete condition
Understand concrete meaning of the above-mentioned term in the utility model.
Dryer group of the prior art is as shown in Figure 1, drying steps are：Air is by heating, into drier top
Air distributor, hot-air is evenly into hothouse.Atomizer of the feed liquid through tower top is atomized the liquid pearl that nebulizes, with hot-air simultaneously
Stream contact, is dried to powder or particle in a short time.Finished product is discharged by drying tower bottom or whirlwind, and exhaust gas is emptied by wind turbine.
Applicant has found that the one of key factor for causing feed liquid energy consumption for drying higher is the material dried under study for action
Liquid carries out under open type normal pressure, so feed liquid will reach the state for being dried to powder or particle, delivery temperature just needs to reach
To higher numerical value, so that dry wasted energy consumption is higher.
Fig. 1 is the structure diagram for the vacuum spray dehydrator group that the prior art provides；Fig. 2 is the utility model embodiment
The structure diagram of the 1 vacuum spray dehydrator group provided；Fig. 3 is the vacuum spray drying that the utility model embodiment 2 provides
The structure diagram of unit；Fig. 4 is the structure diagram of the solvent recovery component of Fig. 3.
Embodiment 1：
It refer to shown in Fig. 2, the utility model embodiment 1 provides a kind of vacuum spray dehydrator group 100, vacuum spray
Mist dryer group 100 is used to feed liquid be dried.
Wherein, feed liquid can be solution, lotion, suspension or liquid/paste etc., feed liquid be held by material liquid tank 101, it is necessary to
It is noted that material liquid tank 101 can be the part of vacuum spray dehydrator group 100, can also be done independently of vacuum spraying
Dry unit 100.
Feed liquid can form the solids such as powdery, graininess after drying.
The concrete structure of above-mentioned vacuum spray dehydrator group 100 is：
Vacuum spray dehydrator group 100 includes drying tower 102, feed pipe 103, feed pump 104, heater 105 and true
Sky pump 106.
Structure, the shape of drying tower 102 are unlimited, such as can use cylindric, rectangle tubbiness or irregular shape etc..
In the present embodiment, the center section of drying tower 102 is cylindric, bottom is coniform.
The inside of drying tower 102 has drying chamber, and drying chamber seals, wherein, sealing is in contrast, to refer to drying chamber
Isolate with external environment, but be not positive confinement, do not exchanged with the extraneous gas etc. that carries out.
Drying chamber is used to make the feed liquid after heating and atomization fully be evaporated, so that feed liquid is divided into solid and evaporation
Moisture, wherein, in the moisture of evaporation, a part can be included not by dry material.
Feed liquid in material liquid tank 101 is delivered in drying chamber via feed pipe 103, conveys the power of feed liquid by feed pump
104 provide.
Feed pipe 103 is tubulose, and one end of feed pipe 103 is stretched into material liquid tank 101 and connected with material liquid tank 101,
The other end of feed pipe 103 is stretched into drying chamber and connected with drying chamber.
Feed pump 104 is arranged on feed pipe 103, and can be pumped the feed liquid in material liquid tank 101 to drying chamber,
Feed pump 104 can be high-pressure pump or the pump of other forms.
It is provided with atomizer 107 in the one end of feed pipe 103 in drying chamber, atomizer 107 is used for pair
Feed liquid in feed pipe 103 is atomized, and the feed liquid after atomization can enter in drying chamber.
The position of atomizer 107 can be set as needed, for example, atomizer 107 is in the top of drying chamber
The positions such as portion, middle part, the first half, in the present embodiment, atomizer 107 are located at the center of top of drying tower 102.So set
Put, can enable material that separation is fully dried in drying chamber, drying effect is more preferably.
Discharge port is provided with the bottom of drying tower 102, discharge outlet is provided with the first outlet valve 108, the first outlet valve
108 opening and closing for controlling discharge port.
The powder or particle that feed liquid is formed after being dried fall to discharge outlet under gravity, open the first discharging
Valve 108, switches or stirs to hold together to be sent by double butterfly valves.
Heater 105 is arranged at the outside of feed pipe 103, and the effect of heater 105 is to the inside of feed pipe 103
Feed liquid carries out conduction heating.
The temperature that heater 105 heats makes choice as needed, and the temperature of heating cannot make feed liquid go bad.In feed liquid not
On the premise of going bad, if the temperature that feed liquid can bear is higher, the temperature of heating can be properly increased, if feed liquid can bear
Temperature it is relatively low, then need suitably reduce heating temperature.
Wherein, conduction heating refers to that heater 105 distributes heat and by the tube wall of feed pipe 103 by heat heat transfer
Feed liquid to feed pipe 103, so that feed temperature raises, achievees the purpose that heating, in this process, feed pipe
Feed liquid in 103 is not contacted with outside air.
The form of heater 105 is unlimited, such as can use water heating, oily heating, electrical heating etc., as long as biography can be realized
Lead heating.
Vacuum environment in vacuum spray dehydrator group 100 is provided by vacuum pump 106, and vacuum pump 106 is connected with drying chamber.
When vacuum pump 106 works, the air in drying chamber is extracted out, makes to form negative-pressure vacuum environment in drying chamber.
Vacuum in drying chamber makes choice as needed.
By by existing open type constant pressure and dry form, being changed to carry out exterior conductive heating to feed liquid, and feed liquid is in
It is dried and evaporates under vacuum environment, under vacuum negative pressure condition, the boiling point of liquid reduces, and therefore, feed liquid is under low-temperature condition
Also solvent can be evaporated, so as to effectively reduce energy consumption.Further, since feed liquid is in the drying process, unused gas is heated,
Therefore, the discharged exhaust gas of drying process is greatly reduced, and thermal loss reduces, and energy consumption is lower, effectively save production cost, right
The pollution smaller of environment.
Embodiment 2：
It refer to shown in Fig. 3, Fig. 4, the utility model embodiment 2 provides a kind of vacuum spray dehydrator group 100, implements
Example 2 is the further improvement done on the basis of embodiment 1, embodiment 2 and embodiment 1 difference lies in：
The vacuum spray dehydrator group 100 that the present embodiment 2 provides further includes separating mechanism 109 and solvent recovery component 110,
Wherein, separating mechanism 109 and solvent recovery component 110 can exist jointly, can also individualism, therebetween without inevitable
Relation.
In the present embodiment 2, separating mechanism 109 and solvent recovery component 110 exist at the same time.
Separating mechanism 109 includes cyclone separator or cloth bag separator, and separating mechanism 109 is connected with drying chamber, seperator
The bottom of structure 109 is provided with the second outlet valve 114.
Separating mechanism 109 is used to further separate the moisture comprising partial material discharged from drying chamber, whirlwind
Separator and cloth bag separator can use the prior art, and details are not described herein.
The moisture evaporated out of drying chamber can enter in separating mechanism 109 from the top of drying tower 102, certainly, from dry
The other positions such as the middle part of dry tower 102 are also possible.
Solvent recovery component 110 includes filter 111, condenser 112 and surge tank 113.
Wherein, filter 111, condenser 112 and surge tank 113 are sequentially communicated, and filter 111 is located at condenser 112
Upstream, surge tank 113 are located at the downstream of condenser 112.
Upstream and downstream is defined according to the direction of motion of material.
Filter 111, condenser 112 and surge tank 113 can use the prior art, and details are not described herein.Filter
111 bottom is provided with the 3rd outlet valve 115.
As the alternative of above-described embodiment, surge tank 113 has inlet and outlet, and the height of import is more than outlet
Highly.
The inlet and outlet height of surge tank 113 makes choice according to different demands, in the present embodiment, the height of import
Degree is more than the height exported primarily to preventing from flowing backwards.
For sedimentation when other purposes, the height of import is less than the height of outlet or the height of import is equal to the height of outlet
Spend also possible.
Surge tank 113 is connected with vacuum pump 106, and vacuum pump 106 is right by separating mechanism 109 and solvent recovery component 110
Drying chamber is vacuumized.
Vacuum spray dehydrator group 100 can also include rotary wash ball 116, and rotary wash ball 116 is rotatably set
In the inside of drying tower 102, rotary wash ball 116 is driven by high-pressure pump.Rotary wash ball 116 can be arranged as required to dry
The optional position of dry 102 inner surface of tower, ideal position are the tops of 102 inner surface of drying tower.
During high pressure pump work, rotary wash ball 116 is driven to rotate, the cleaning solution that rotary wash ball 116 is thrown away will can be done
The inner surface of dry tower 102 cleans up.
In the present embodiment, the vacuum in drying tower 102 is -0.04~-0.1MPa, for example, can be -0.04Mpa, -
0.06Mpa, -0.08Mpa, -0.095Mpa etc.."-" represents negative pressure, and under the vacuum, energy consumption is lower.
In the present embodiment, heater 105 is specially using the form of liquid heating：
Heater 105 is heating pipe, and heating pipe is sheathed on the outside of feed pipe 103, heating pipe and feed pipe
The heating passage being used for for adding hot liquid flow is formed between road 103, heating pipe has the inlet connected with heating passage
And liquid outlet.
The utility model changes the form of original open type constant pressure and dry, uses instead and dries under vacuum conditions, due to opening
Formula constant pressure and dry is to mix the hot-air after heating with feed liquid again, and vacuum spraying is directly to heat feed liquid, and due to true
The boiling point of liquid reduces under idling pressure condition, and solvent can also be evaporated under low-temperature condition by being allowed to feed liquid, thus vacuum spraying ratio is opened
Energy consumption is more saved in formula spraying.
Feed liquid is dried under vacuum compared with the spray drying of open type, discharged exhaust gas is many less, thus vacuum is sprayed
Mist is sprayed more environmentally-friendly than open type.
Since the discharged exhaust gas of dry feed liquid is few under vacuum, it is achieved that spray drying solvent of the solvent recovery than open type
Recycling is more prone to.
The rotary wash ball being pipelined to cleaning solution by high-pressure pump after the completion of feed liquid drying in drying tower 102
116, the cleaning solution that rotary wash ball 116 is thrown away automatically cleans up drying tower 102.
The unmentioned part of the present embodiment, is referred to embodiment 1 and the prior art, details are not described herein.
Embodiment 3
Corresponding, the utility model embodiment 3 provides a kind of vacuum spray drying method, and this method includes following step
Suddenly：
The feed liquid in material liquid tank 101 is delivered in charging line by feed pump 104, and to the feed liquid in charging line
Carry out exterior conductive heating；
Feed liquid after heating is atomized by atomizer 107 and enters in the drying chamber of drying tower 102, wherein, drying chamber
In vacuum environment；
Separated moisture, which enters, after feed liquid is dry in drying chamber carries out secondary separation in separating mechanism 109, wherein, separation
Mechanism 109 is cyclone separator or cloth bag separator；
Separated solvent enters filtering in filter 111 after redrying, then condenses and enters by condenser 112
In surge tank 113.
After feed liquid is dried, cleaning step can also be carried out, correspondingly, starting high-pressure pump, revolves rotary wash ball 116
Turn, the cleaning solution that rotary wash ball 116 is thrown away cleans the inner surface of drying tower 102.
It should be noted that in the case where there is no conflict, the feature in embodiment in the utility model can be tied mutually
Close.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of vacuum spray dehydrator group, it is characterised in that the vacuum spray dehydrator group includes drying tower, feed pipe
Road, feed pump, heater and vacuum pump, the drying tower have a drying chamber of closing, one end of the feed pipe be used for
Hold feed liquid material liquid tank connection, the other end of the feed pipe connected with the drying chamber and be provided be used for feed liquid into
The atomizer of row atomization, the bottom of the drying tower are provided with the first outlet valve, and the feed pump is arranged at the feed pipe
On road and for the feed liquid in material liquid tank to be delivered in the drying chamber through the feed pipe, the heater is arranged at institute
State the outside of feed pipe and for carrying out conduction heating to the feed liquid inside the feed pipe, the vacuum pump is done with described
Dry chamber connects and for being vacuumized to the drying chamber.
2. vacuum spray dehydrator group according to claim 1, it is characterised in that the vacuum spray dehydrator group is also wrapped
Separating mechanism is included, the separating mechanism includes cyclone separator or cloth bag separator, between the drying chamber and the vacuum pump
Connected by the separating mechanism.
3. vacuum spray dehydrator group according to claim 1, it is characterised in that the vacuum spray dehydrator group is also wrapped
Solvent recovery component is included, the solvent recovery component includes filter, condenser and the surge tank being sequentially communicated, the filter
Be located at the downstream of the condenser positioned at the upstream of the condenser, the surge tank, the drying chamber and the vacuum pump it
Between pass through the solvent recovery component connect.
4. vacuum spray dehydrator group according to claim 3, it is characterised in that the surge tank has import and goes out
Mouthful, the height of the import is more than the height of the outlet.
5. vacuum spray dehydrator group according to claim 1, it is characterised in that the vacuum spray dehydrator group is also wrapped
Rotary wash ball is included, the rotary wash ball is rotatably arranged at the inside of the drying tower, and the rotary wash ball is by height
Press pump drives.
6. vacuum spray dehydrator group according to claim 1, it is characterised in that vacuum in the drying tower for-
0.04~-0.1MPa.
7. vacuum spray dehydrator group according to claim 1, it is characterised in that the heater is heating pipe, institute
The outside that heating pipe is sheathed on the feed pipe is stated, is formed and is used for for adding between the heating pipe and the feed pipe
The heating passage of hot liquid flow, the heating pipe have the inlet and liquid outlet connected with the heating passage.
8. vacuum spray dehydrator group according to claim 1, it is characterised in that the atomizer is located at the drying
The center of top of tower.
9. vacuum spray dehydrator group according to claim 1, it is characterised in that the feed pump is high-pressure pump.
10. a kind of vacuum spray dehydrator group, it is characterised in that the vacuum spray dehydrator group includes drying tower, feed pipe
Road, feed pump, heater, vacuum pump, separating mechanism, solvent recovery component and rotary wash ball, the drying tower have closing
Drying chamber, one end of the feed pipe is used to connect with holding the material liquid tank of feed liquid, the other end of the feed pipe and
The drying chamber connects and is provided with the atomizer for being atomized to feed liquid, and the bottom of the drying tower is provided with first
Outlet valve, the feed pump are arranged on the feed pipe and for the feed liquid in material liquid tank to be conveyed through the feed pipe
In to the drying chamber, the heater is arranged at the outside of the feed pipe and for the material inside the feed pipe
Liquid carries out conduction heating；The separating mechanism includes cyclone separator or cloth bag separator, the solvent recovery component include according to
Filter, condenser and the surge tank of secondary connection, the filter is located at the upstream of the condenser, the surge tank is located at institute
The downstream of condenser is stated, is connected between the drying chamber and the vacuum pump by the separating mechanism and the solvent recovery component
Logical, the vacuum pump is used to vacuumize the drying chamber, and the heater is heating pipe, and the heating pipe is sheathed on institute
The outside of feed pipe is stated, is formed and is used for for adding the heating of hot liquid flow to lead between the heating pipe and the feed pipe
Road, the heating pipe have the inlet and liquid outlet connected with the heating passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721256770.8U CN207270735U (en) | 2017-09-27 | 2017-09-27 | A kind of vacuum spray dehydrator group |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721256770.8U CN207270735U (en) | 2017-09-27 | 2017-09-27 | A kind of vacuum spray dehydrator group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441747A (en) * | 2017-09-27 | 2017-12-08 | 顾建东 | A kind of vacuum spray dehydrator group and method |
| CN112569627A (en) * | 2020-11-23 | 2021-03-30 | 福建春达化工有限公司 | Plasticizer stripping system and stripping method |
-
2017
- 2017-09-27 CN CN201721256770.8U patent/CN207270735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441747A (en) * | 2017-09-27 | 2017-12-08 | 顾建东 | A kind of vacuum spray dehydrator group and method |
| CN112569627A (en) * | 2020-11-23 | 2021-03-30 | 福建春达化工有限公司 | Plasticizer stripping system and stripping method |
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Effective date of registration: 20230505 Address after: 213000 No. 106, Fengbei village, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Yongjia Drying Technology Co.,Ltd. Address before: No. 53, Lijia Village, Suoshi Village Committee, Jiaoxi Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee before: Gu Jiandong |