CN206235145U - A kind of dynamic vacuum degree on-line control system - Google Patents
A kind of dynamic vacuum degree on-line control system Download PDFInfo
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- CN206235145U CN206235145U CN201621397582.2U CN201621397582U CN206235145U CN 206235145 U CN206235145 U CN 206235145U CN 201621397582 U CN201621397582 U CN 201621397582U CN 206235145 U CN206235145 U CN 206235145U
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Abstract
The utility model discloses a kind of dynamic vacuum degree on-line control system, including host computer system, control system, vacuum pump set and accessory system, the host computer system includes host container, one end of host container is provided with liquid charging stock import, the other end of host container is provided with siccative product outlet, vacuum transducer and vacuum digital instrument are provided with the top of host container, the bottom of host container is provided with vacuum electromagnetic overflow valve.This dynamic vacuum degree on-line control system is truly realized the excellent fit ratio between the vacuum in process of vacuum drying and heating-up temperature, ideal vacuum drying process can be obtained, the vacuum degree control scope of the system is within 100Pa, its accuracy is significantly larger than the display format in units of Mpa with conventional vacuum pressure gauge, the on-line control function of vacuum is provided simultaneously with, and has not typically possessed vacuum on-line control function in existing same category of device.
Description
Technical field
The utility model is related to technical field of heat treatment equipment, specially a kind of dynamic vacuum degree on-line control system.
Background technology
Vacuum dryer is used to produce the food that leisure food, fried food, fruit and vegetable crisp chip etc. contaminate bacterium.Using cold
, it is necessary to supplement the heat of sublimation, under vacuum, the vapourizing temperature of water is low, realizes low temperature drying when lyophilized drying method is processed, and
The vacuum degree control scope of existing vacuum dryer is big, and precision is low, and existing vacuum dryer does not possess true typically
Empty on-line control function.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, there is provided a kind of dynamic vacuum degree On-line Control
System, changes method of the conventional same category of device using only pressure vacuum gauge display system vacuum, but devise by electricity
Resistive vacuum gauge and digital vacuum display instrument carry out accurate On-line Control to system vacuum, while designing in systems
Have corresponding vacuum system adjusting means, can under drying machine working condition according to different dry materials temperature requirements to being
The adjustment that system vacuum carries out between 1000Pa~2200Pa, in can effectively solving the problems, such as background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of dynamic vacuum degree on-line control system,
Including host computer system, control system, vacuum pump set and accessory system, the host computer system includes host container, host container
One end is provided with liquid charging stock import, and the other end of host container is provided with siccative product outlet, vacuum is provided with the top of host container
Sensor and vacuum digital instrument, the bottom of host container are provided with vacuum electromagnetic overflow valve.
The control system includes control centre and proportioning valve, and vacuum transducer, vacuum digital instrument and vacuum electromagnetic overflow gas
Valve is electrically connected with control centre.
The vacuum pump set includes mounting bracket, and the first lobe pump and the second Roots being set up in parallel are provided with mounting bracket
Pump, is connected between the first lobe pump and the second lobe pump, and first is respectively provided on two sides with the first lobe pump and the second lobe pump
Water ring pump and the second water ring pump, the first water ring pump and the second water ring pump are connected with the first lobe pump and the second lobe pump, and second
The side of water ring pump is provided with electric cabinet, and the first lobe pump, the second lobe pump, the first water ring pump and the second water ring pump are and electric cabinet
Interior control module is connected, and control centre's passing ratio valve is connected with the control module in electric cabinet.
The accessory system includes surge tank, condenser and low-temperature cold water unit, the outlet of condenser respectively with first sieve
Thatch pump and surge tank are connected, and the import of condenser is connected with host container, and condenser also with the two-way company of low-temperature cold water unit
Connect.
As a kind of optimal technical scheme of the present utility model, 4 regions are set with the host container, respectively：
1000~1500Pa；1500~2500Pa；2500~3500Pa；3500~5500Pa.
Used as a kind of optimal technical scheme of the present utility model, first lobe pump is provided with vacuum meter, in first sieve
Be respectively equipped with connecting pipe between thatch pump and the second lobe pump and the first water ring pump and the second water ring pump the first pneumatic operated valve and
Second pneumatic operated valve.
Compared with prior art, the beneficial effects of the utility model are：This dynamic vacuum degree on-line control system is really real
The excellent fit ratio between the vacuum and heating-up temperature in process of vacuum drying is showed, ideal vacuum drying can have been obtained
Technique, within 100Pa, its accuracy is significantly larger than with conventional vacuum pressure gauge with Mpa the vacuum degree control scope of the system
It is the display format of unit, has been provided simultaneously with the on-line control function of vacuum, and does not have typically in existing same category of device
Standby vacuum on-line control function.
Brief description of the drawings
Fig. 1 is the utility model assembly structure schematic diagram；
Fig. 2 is host computer system structural representation of the present utility model；
Fig. 3 is control system architecture schematic diagram of the present utility model；
Fig. 4 is vacuum pump set structural representation of the present utility model；
Fig. 5 is accessory system structural representation of the present utility model.
In figure：1 host computer system, 11 host containers, 12 liquid charging stock imports, 13 siccative product outlets, 14 vacuum transducers,
15 vacuum digital instruments, 16 vacuum electromagnetic overflow valves, 2 control systems, 21 control centres, 22 proportioning valves, 3 vacuum pump sets, 31 are installed
Frame, 32 first lobe pumps, 33 second lobe pumps, 34 first water ring pumps, 35 second water ring pumps, 36 electric cabinets, 37 vacuum meters, 38
One pneumatic operated valve, 39 second pneumatic operated valves, 4 accessory systems, 41 surge tanks, 42 condensers, 43 low-temperature cold water units.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of dynamic vacuum degree on-line control system, bag
Host computer system, control system, vacuum pump set and accessory system are included, host computer system includes host container 11, the one of host container 11
End is provided with liquid charging stock import 12, and the other end of host container 11 is provided with siccative product outlet 13, and the top of host container 11 sets
The bottom for having vacuum transducer 14 and vacuum digital instrument 15, host container 11 is provided with vacuum electromagnetic overflow valve 16, host container 11
4 regions are inside set with, respectively：1000~1500Pa；1500~2500Pa；2500~3500Pa；3500~5500Pa.
Control system includes control centre 21 and proportioning valve 22, vacuum transducer 14, vacuum digital instrument 15 and vacuum electromagnetic
Overflow valve 16 is electrically connected with control centre 21.
Vacuum pump set includes mounting bracket 31, and the first lobe pump 32 and the second Roots being set up in parallel are provided with mounting bracket 31
Pump 33, connects between the first lobe pump 32 and the second lobe pump 33, in the both sides of the first lobe pump 32 and the second lobe pump 33 point
Be not provided with the first water ring pump 34 and the second water ring pump 35, the first water ring pump 34 and the second water ring pump 35 with the first lobe pump 32 and
Second lobe pump 33 is connected, and the side of the second water ring pump 35 is provided with electric cabinet 36, the first lobe pump 32, the second lobe pump 33,
One water ring pump 34 and the second water ring pump 35 are connected with the control module in electric cabinet 36, and the passing ratio valve of control centre 21
22 are connected with the control module in electric cabinet 36, and the first lobe pump 32 is provided with vacuum meter 37, in the first lobe pump 32 and second
The first pneumatic operated valve 38 and are respectively equipped with connecting pipe between the water ring pump 34 of lobe pump 33 and first and the second water ring pump 35
Two pneumatic operated valves 39.
Accessory system includes surge tank 41, condenser 42 and low-temperature cold water unit 43, and the outlet of condenser 42 is respectively with the
One lobe pump 32 and surge tank 41 are connected, and the import of condenser 42 is connected with host container 11, and condenser 42 is gone back and low temperature
Handpiece Water Chilling Units 43 are bi-directionally connected.
When in use：1. 4 regions are set to host container 11 by control centre 21, be divided into：1000~1500Pa；1500
~2500Pa；2500~3500Pa；3500~5500Pa；
2. according to different requirements, the comparative example valve 22 of control centre 21 sends instruction, and 1/4~4/4 phase is pressed by proportioning valve 22
Position change performs operation to vacuum pump set 3.
3. the operation of vacuum pump set 3 performs as follows respectively according to 4 regions：
(1) 1000~1500Pa states：The phase 4/4 of proportioning valve 22, the first lobe pump 32 and the second water ring pump 33 are all transported
OK.
(2) 1500~2500Pa states：The phase 3/4 of proportioning valve 22, the first lobe pump 32 and the second water ring pump 33 and
One water ring pump 34 or the second water ring pump 35 run (the first water ring pump 34 and the second water ring pump 35 can be switched online).
(3) 2500~3500Pa states, proportioning valve phase 2/4, the first lobe pump 32 is by bypassing the first pneumatic operated valve 38, the
Two pneumatic operated valves 39 and the first water ring pump 34, the second water ring pump 35 run.
(4) 3500~5500Pa states, proportioning valve phase 1/4, the first lobe pump 32 is by bypassing the first pneumatic operated valve 38, the
Operation (the first water ring pump 34 and second water ring pump 35 in two pneumatic operated valves 39 and the first water ring pump 34 and the second water ring pump 35
Can be switched online).
4. the fine setting of vacuum parameter changes by the vacuum transducer 14 and vacuum number in main frame in running
Word instrument 15 is delivered to control centre 21 and the calculating by computer sends instruction, is carried out accordingly by vacuum electronic overflow valve 16
Regulation.
5. condenser 42 in accessory system 4, handpiece Water Chilling Units 43, surge tank 41 are the running configurations according to vacuum pump set 3
, mainly it is to ensure that damage of the on-condensible gas in the stabilization and filter material of the aspiration of vacuum pump set 3 to vavuum pump.
The exploitation of the system is mainly the technical requirements of adaptation dynamic vacuum drying equipment, and the design of system changes completely
Method of the conventional same category of device using only pressure vacuum gauge display system vacuum, but devise by resistance-type vacuum gauge
Pipe and digital vacuum display instrument carry out accurate On-line Control to system vacuum, while being designed with systems corresponding true
Empty set system adjusting means, can enter according to different dry materials temperature requirements under drying machine working condition to system vacuum
Adjustment between row 1000Pa~2200Pa, so as to be truly realized between the vacuum in process of vacuum drying and heating-up temperature
Excellent fit ratio, ideal vacuum drying process can be obtained, the vacuum degree control scope of the system within 100Pa,
Its accuracy is significantly larger than the display format in units of Mpa with conventional vacuum pressure gauge, has been provided simultaneously with the online of vacuum
Regulatory function, and typically do not possess vacuum on-line control function in existing same category of device.
Above-described embodiment is not construed as to limitation of the present utility model, but any is made based on spirit of the present utility model
Improve, all should be within protection domain of the present utility model.
Claims (3)
1. a kind of dynamic vacuum degree on-line control system, including host computer system (1), control system (2), vacuum pump set (3) and auxiliary
Auxiliary system (4), it is characterised in that：The host computer system (1) includes host container (11), and one end of host container (11) is provided with liquid
Body material inlet (12), the other end of host container (11) is provided with siccative product outlet (13), and host container sets at the top of (11)
The bottom for having vacuum transducer (14) and vacuum digital instrument (15), host container (11) is provided with vacuum electromagnetic overflow valve (16)；
The control system (2) includes control centre (21) and proportioning valve (22), vacuum transducer (14), vacuum digital instrument (15)
Electrically connected with control centre (21) with vacuum electromagnetic overflow valve (16)；
The vacuum pump set (3) includes mounting bracket (31), and the first lobe pump (32) being set up in parallel is provided with mounting bracket (31)
With the second lobe pump (33), connected between the first lobe pump (32) and the second lobe pump (33), in the first lobe pump (32) and the
Two lobe pumps (33) are respectively provided on two sides with the first water ring pump (34) and the second water ring pump (35), the first water ring pump (34) and second
Water ring pump (35) is connected with the first lobe pump (32) and the second lobe pump (33), and the side of the second water ring pump (35) is provided with automatically controlled
Case (36), the first lobe pump (32), the second lobe pump (33), the first water ring pump (34) and the second water ring pump (35) are and electric cabinet
(36) the control module connection in, and the control module company in control centre (21) passing ratio valve (22) and electric cabinet (36)
Connect；
The accessory system (4) includes surge tank (41), condenser (42) and low-temperature cold water unit (43), and condenser (42) go out
Mouth is connected with the first lobe pump (32) and surge tank (41) respectively, and the import of condenser (42) is connected with host container (11), and
And condenser (42) is also bi-directionally connected with low-temperature cold water unit (43).
2. a kind of dynamic vacuum degree on-line control system according to claim 1, it is characterised in that：The host container
(11) 4 regions are set with, respectively：1000~1500Pa；1500~2500Pa；2500~3500Pa；3500~
5500Pa。
3. a kind of dynamic vacuum degree on-line control system according to claim 1, it is characterised in that：First lobe pump
(32) vacuum meter (37) is provided with, in the first lobe pump (32) and the second lobe pump (33) and the first water ring pump (34) and the second water
The first pneumatic operated valve (38) and the second pneumatic operated valve (39) are respectively equipped with connecting pipe between ring pump (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397582.2U CN206235145U (en) | 2016-12-03 | 2016-12-03 | A kind of dynamic vacuum degree on-line control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397582.2U CN206235145U (en) | 2016-12-03 | 2016-12-03 | A kind of dynamic vacuum degree on-line control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235145U true CN206235145U (en) | 2017-06-09 |
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ID=58992270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397582.2U Active CN206235145U (en) | 2016-12-03 | 2016-12-03 | A kind of dynamic vacuum degree on-line control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347652A (en) * | 2018-12-20 | 2020-06-30 | 江苏金韦尔机械有限公司 | PET vacuum unit |
| CN112747565A (en) * | 2021-01-26 | 2021-05-04 | 昆山聚创新能源科技有限公司 | Vacuum baking method of electrode roll |
-
2016
- 2016-12-03 CN CN201621397582.2U patent/CN206235145U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347652A (en) * | 2018-12-20 | 2020-06-30 | 江苏金韦尔机械有限公司 | PET vacuum unit |
| CN112747565A (en) * | 2021-01-26 | 2021-05-04 | 昆山聚创新能源科技有限公司 | Vacuum baking method of electrode roll |
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