CN105204425B - A kind of autocontrol method of graphite evaporator - Google Patents
A kind of autocontrol method of graphite evaporator Download PDFInfo
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- CN105204425B CN105204425B CN201510625181.1A CN201510625181A CN105204425B CN 105204425 B CN105204425 B CN 105204425B CN 201510625181 A CN201510625181 A CN 201510625181A CN 105204425 B CN105204425 B CN 105204425B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Emergency Alarm Devices (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of autocontrol methods of graphite evaporator, air pressure detection module, temperature detecting module and humidity detecting module can detect air pressure, temperature and the humidity of graphite evaporator enclosure interior respectively, and it is transferred to PLC, the PLC is compared it judgement respectively, and makes corresponding adjustment to its corresponding component；The present invention can pass through air pressure, temperature and the humidity of detection graphite evaporator enclosure interior; it can prevent the graphite block inside graphite evaporator from shifting; the problem of graphite evaporator is because of air pressure, temperature and humidity can be more effectively prevented, the things such as explosion occur; it is effectively improved the safety of graphite evaporator; protection equipment is also played to a certain extent, extends the effect in the service life of equipment.
Description
Technical field
The present invention relates to graphite evaporator field, the automatic control system and method for especially a kind of graphite evaporator.
Background technology
In industries such as phosphorous chemical industry, titanium white, chemical fertilizer, fine chemistry industry, the disposal of three wastes, evaporation equipment is largely used.It is steamed in graphite
It sends out in device, steam is entered by steam inlet in graphite evaporator shell, and the air pressure of enclosure interior can be caused excessively high and caused danger
The air pressure at accident or each position is uneven and enclosure interior graphite block is caused to shift, and graphite evaporator is also possible to can be because
Internal temperature is excessively high and the perils such as explosion occur, if humidity is excessively high in graphite evaporator, which graphite evaporator may
Component is out of joint, if graphite steamer is further continued for work, is further continued for logical steam, then safety accident very likely occurs, therefore,
An automatic control system is needed to monitor parameters inside graphite evaporator, and corresponding adjustment is made to it.
Invention content
The goal of the invention of the present invention is：In view of the above problems, providing a kind of can prevent inside graphite evaporator
Graphite block shift, a kind of graphite evaporation for preventing graphite evaporator from exploding by the problem of air pressure, temperature and humidity
The autocontrol method of device.
The technical solution adopted by the present invention is as follows：
A kind of autocontrol method of graphite evaporator, which is characterized in that it includes the following steps：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure digital signal biography
It is handed to PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to
PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity digital signal and is transferred to PLC；
Step 5：PLC receives each air pressure digital signal, if P<0.4MPa carries out the atmospheric pressure value of each steam inlet longitudinal horizontal
To comparing two-by-two, transmits air pressure to fine tuning module and execute signal 005, the electronic valve at the small place of the fine tuning module controlling value is opened
Greatly, the electronic valve for being worth general goal turns down, i.e.,：PLC is by the atmospheric pressure value and lower left quarter electronic valve at longitudinal upper left quarter electronic valve
The atmospheric pressure value at door place compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, vertical
To right side therewith similarly；PLC is by the atmospheric pressure value at lateral upper left quarter electronic valve and the air pressure at upper right quarter electronic valve
Value compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, lateral downside with
Similarly,
If there is 0.4MPa≤P<0.5MPa then transmits air pressure to fine tuning module and executes signal 001, if 0.5MPa≤P<
0.55MPa then finely tunes module and transmits air pressure execution signal 002, if P >=0.55MPa, respectively to alarm module and fine tuning module
It transmits alarm signal and air pressure executes signal 003；After finely tuning module execution air pressure execution signal 001 or 002, if T≤- 70
DEG C, then it transmits air pressure to fine tuning module and executes signal 004；
PLC receives each temperature digital signal, if 400 DEG C≤T<It 450 DEG C, then transmits temperature to fine tuning module and executes signal
101, if 450 DEG C≤T<It 480 DEG C, then transmits temperature to fine tuning module and executes signal 102, if T >=480 DEG C, respectively to alarm
Module and fine tuning module transmit alarm signal and temperature executes signal 103；
PLC receives each humidity digital signal, if 85%≤RH<95%, then it transmits humidity to fine tuning module and executes signal
201, if RH >=95%, alarm signal is transmitted to alarm module and fine tuning module respectively and humidity executes signal 202；
Step 6：The fine tuning module receives air pressure and executes signal 001,004 or 005, temperature execution signal 101 and humidity
Signal 201 is executed, and the electronic valve for controlling corresponding steam inlet is opened big or turned down；
It receives air pressure and executes signal 002 and temperature execution signal 102, and the electronic valve for controlling steam (vapor) outlet 7 is opened greatly；
Receive that air pressure executes signal 003, temperature executes signal 103 and humidity and executes signal 202, and successively control material into
The opening and closing valve of material mouth 14 and steam inlet 5 is closed；
Step 7：Alarm module receives alarm signal, starts alarm and sends out early warning.
The control system of the autocontrol method of the graphite evaporator, it include air pressure detection module, temperature detecting module,
Humidity detecting module, alarm module, PLC and fine tuning module, the air pressure detection module are used to detect the air pressure P in shell 8, and
It is converted to air pressure digital signal and is transferred to PLC；The temperature detecting module is used to detect the temperature T in shell 8, and is converted to
Temperature digital signal is transferred to PLC；The humidity detecting module is used to detect the humidity RH in shell 8, and is converted to humidity number
Word signal is transferred to PLC；
PLC receives each digital signal, if judging 0.4MPa≤P<0.5MPa then transmits air pressure to fine tuning module and executes signal
001, if 0.5MPa≤P<0.55MPa then finely tunes module and transmits air pressure execution signal 002, if P >=0.55MPa, respectively to report
Alert module and fine tuning module transmit alarm signal and air pressure executes signal 003；If 400 DEG C≤T<It 450 DEG C, is then passed to fine tuning module
It passs temperature and executes signal 101, if 450 DEG C≤T<It 480 DEG C, then transmits temperature to fine tuning module and executes signal 102, if T >=480
DEG C, then alarm signal is transmitted to alarm module and fine tuning module and temperature executes signal 103 respectively；If 85%≤RH<95%, then
Humidity is transmitted to fine tuning module and executes signal 201, if RH >=95%, transmits alarm signal to alarm module and fine tuning module respectively
Number and humidity execute signal 202；After finely tuning module execution air pressure execution signal 001 or 002, if T≤- 70 DEG C, to fine tuning
Module transmits air pressure and executes signal 004；
The fine tuning module includes electronic valve and material feed inlet 14 at steam inlet 5 and steam (vapor) outlet 7
With the opening and closing valve of steam channel mouth 20, for receiving, air pressure executes signal 001, temperature executes signal 101 and humidity executes letter
Numbers 201, and the electronic valve for controlling corresponding steam inlet turns down；It receives air pressure and executes signal 004, and control corresponding steam inlet
Electronic valve open greatly；It receives air pressure and executes signal 002 and temperature execution signal 102, and control the electronic valve of steam (vapor) outlet 7
It opens big；It receives air pressure and executes signal 003, temperature execution signal 103 and humidity execution signal 202, and control material is fed successively
The opening and closing valve of mouth 14 and steam inlet 5 is closed.
Further, steam is equipped at the upper left quarter of graphite evaporator shell 8, lower left quarter, upper right quarter, right lower quadrant
Import 5, each steam inlet 5 is equipped with electronic valve and original state is half open and-shut mode.
Further, the air pressure detection module includes the steam diverter 6 being respectively arranged at 5 face of each steam inlet
Upper part or positive bottom at baroceptor, the baroceptor be superhigh temperature baroceptor, for detecting each electricity
Air pressure at sub- valve, and be converted into corresponding digital signal and be transferred to PLC；The temperature detecting module includes being set to each electricity
Temperature sensor at sub- valve for detecting the temperature at each electronic valve, and is converted into corresponding digital signal and is transferred to
PLC；The humidity detecting module includes the humidity sensor being set at each electronic valve, for detecting at each electronic valve
Humidity, and be converted into corresponding digital signal and be transferred to PLC.
Further, the PLC receives each air pressure digital signal, if P<0.4MPa, by the atmospheric pressure value of each steam inlet 5 into
Row portraitlandscape compares two-by-two, and transmitting air pressure to fine tuning module executes signal 005, the electronics at the small place of the fine tuning module controlling value
Valve, which is opened, to be worth greatly the electronic valve of general goal and turns down, i.e.,：PLC is by the atmospheric pressure value and lower left quarter at longitudinal upper left quarter electronic valve
Atmospheric pressure value at electronic valve compares, and control pressure is worth the electronic valve at small place and opens greatly, the electronic valve of controlling value general goal
It turns down, longitudinal right side is therewith similarly；PLC by lateral upper left quarter electronic valve atmospheric pressure value at upper right quarter electronic valve
Atmospheric pressure value compare, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, lateral
Downside is therewith similarly.
Further, the alarm module is provided with alarm, and the alarm module receives alarm signal, starts alarm
Device.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
Whether the air pressure that 1, can detect graphite evaporator enclosure interior reaches its air pressure upper range that can bear, and right
It makes corresponding adjustment；
2, it can detect whether the air pressure of graphite evaporator enclosure interior balances, if uneven make it corresponding adjustment, prevent
Only graphite block generates offset；
3, the temperature that can detect graphite evaporator enclosure interior makes it corresponding adjustment after temperature over-range；
4, the humidity that can detect graphite evaporator enclosure interior makes it corresponding adjustment after humidity transfinites.
Description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of graphite evaporator for evaporation and concentration of the present invention.
Fig. 2 is a kind of automatic control system control schematic diagram of graphite evaporator for evaporation and concentration of the present invention.
It is marked in figure：1 is material discharge port, and 2 be compression spring, and 3 be upper cover, and 4 be upper sealing plate, and 5 be steam inlet, 6
It is steam (vapor) outlet for steam diverter, 7,8 be shell, and 9 be steam distributor, and 10 be baffle plate, and 11 be pull rod, and 12 be blowdown
Mouthful, 13 be resistance to erosion portion, and 14 be material feed inlet, and 15 be low head, and 16 be lower plate, and 17 be condensate liquid import, and 18 be condensation
Liquid exports, and 19 be graphite heat exchange block, and 20 be steam channel mouth.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Figure 1, a kind of autocontrol method of graphite evaporator, which is characterized in that it includes the following steps：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure digital signal biography
It is handed to PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to
PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity digital signal and is transferred to PLC；
Step 5：PLC receives each air pressure digital signal, if P<0.4MPa carries out the atmospheric pressure value of each steam inlet longitudinal horizontal
To comparing two-by-two, transmits air pressure to fine tuning module and execute signal 005, the electronic valve at the small place of the fine tuning module controlling value is opened
Greatly, the electronic valve for being worth general goal turns down, i.e.,：PLC is by the atmospheric pressure value and lower left quarter electronic valve at longitudinal upper left quarter electronic valve
The atmospheric pressure value at door place compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, vertical
To right side therewith similarly；PLC is by the atmospheric pressure value at lateral upper left quarter electronic valve and the air pressure at upper right quarter electronic valve
Value compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, lateral downside with
Similarly,
If there is 0.4MPa≤P<0.5MPa then transmits air pressure to fine tuning module and executes signal 001, if 0.5MPa≤P<
0.55MPa then finely tunes module and transmits air pressure execution signal 002, if P >=0.55MPa, respectively to alarm module and fine tuning module
It transmits alarm signal and air pressure executes signal 003；After finely tuning module execution air pressure execution signal 001 or 002, if T≤- 70
DEG C, then it transmits air pressure to fine tuning module and executes signal 004；
PLC receives each temperature digital signal, if 400 DEG C≤T<It 450 DEG C, then transmits temperature to fine tuning module and executes signal
101, if 450 DEG C≤T<It 480 DEG C, then transmits temperature to fine tuning module and executes signal 102, if T >=480 DEG C, respectively to alarm
Module and fine tuning module transmit alarm signal and temperature executes signal 103；
PLC receives each humidity digital signal, if 85%≤RH<95%, then it transmits humidity to fine tuning module and executes signal
201, if RH >=95%, alarm signal is transmitted to alarm module and fine tuning module respectively and humidity executes signal 202；
Step 6：The fine tuning module receives air pressure and executes signal 001,004 or 005, temperature execution signal 101 and humidity
Signal 201 is executed, and the electronic valve for controlling corresponding steam inlet is opened big or turned down；
It receives air pressure and executes signal 002 and temperature execution signal 102, and the electronic valve for controlling steam (vapor) outlet 7 is opened greatly；
Receive that air pressure executes signal 003, temperature executes signal 103 and humidity and executes signal 202, and successively control material into
The opening and closing valve of material mouth 14 and steam inlet 5 is closed；
Step 7：Alarm module receives alarm signal, starts alarm and sends out early warning.
The control system of the autocontrol method of the graphite evaporator, it include air pressure detection module, temperature detecting module,
Humidity detecting module, alarm module, PLC and fine tuning module, the air pressure detection module are used to detect the air pressure P in shell 8, and
It is converted to air pressure digital signal and is transferred to PLC；The temperature detecting module is used to detect the temperature T in shell 8, and is converted to
Temperature digital signal is transferred to PLC；The humidity detecting module is used to detect the humidity RH in shell 8, and is converted to humidity number
Word signal is transferred to PLC；
PLC receives each digital signal, if judging 0.4MPa≤P<0.5MPa then transmits air pressure to fine tuning module and executes signal
001, if 0.5MPa≤P<0.55MPa then finely tunes module and transmits air pressure execution signal 002, if P >=0.55MPa, respectively to report
Alert module and fine tuning module transmit alarm signal and air pressure executes signal 003；If 400 DEG C≤T<It 450 DEG C, is then passed to fine tuning module
It passs temperature and executes signal 101, if 450 DEG C≤T<It 480 DEG C, then transmits temperature to fine tuning module and executes signal 102, if T >=480
DEG C, then alarm signal is transmitted to alarm module and fine tuning module and temperature executes signal 103 respectively；If 85%≤RH<95%, then
Humidity is transmitted to fine tuning module and executes signal 201, if RH >=95%, transmits alarm signal to alarm module and fine tuning module respectively
Number and humidity execute signal 202；After finely tuning module execution air pressure execution signal 001 or 002, if T≤- 70 DEG C, to fine tuning
Module transmits air pressure and executes signal 004；
Include electronic valve at steam inlet 5 and steam (vapor) outlet 7 and material feed inlet 14 and steam channel mouth 20
Opening and closing valve, execute signal 001 for receiving air pressure, temperature executes signal 101 and humidity and executes signal 201, and controls phase
The electronic valve of steam inlet is answered to turn down；It receives air pressure and executes signal 004, and the electronic valve for controlling corresponding steam inlet is opened
Greatly；It receives air pressure and executes signal 002 and temperature execution signal 102, and the electronic valve for controlling steam (vapor) outlet 7 is opened greatly；Receive gas
Pressure executes signal 003, temperature executes signal 103 and humidity and executes signal 202, and successively control material feed inlet 14 and steam into
The opening and closing valve of mouth 5 is closed.
Steam inlet 5, institute are equipped at the upper left quarter of graphite evaporator shell 8, lower left quarter, upper right quarter, right lower quadrant
It is half open and-shut mode to state each steam inlet 5 and be equipped with electronic valve and original state.
The air pressure detection module includes the upper part for being respectively arranged on the steam diverter 6 at 5 face of each steam inlet
Or the baroceptor at positive bottom, the baroceptor is superhigh temperature baroceptor, for detecting at each electronic valve
Air pressure, and be converted into corresponding digital signal and be transferred to PLC；The temperature detecting module includes being set at each electronic valve
Temperature sensor, for detecting the temperature at each electronic valve, and be converted into corresponding digital signal and be transferred to PLC；It is described
Humidity detecting module includes the humidity sensor being set at each electronic valve, for detecting the humidity at each electronic valve, and
It is converted into corresponding digital signal and is transferred to PLC.
The PLC receives each air pressure digital signal, if P<0.4MPa carries out the atmospheric pressure value of each steam inlet 5 longitudinal horizontal
To comparing two-by-two, transmits air pressure to fine tuning module and execute signal 005, the electronic valve at the small place of the fine tuning module controlling value is opened
Greatly, the electronic valve for being worth general goal turns down, i.e.,：PLC is by the atmospheric pressure value and lower left quarter electronic valve at longitudinal upper left quarter electronic valve
The atmospheric pressure value at door place compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, vertical
To right side therewith similarly；PLC is by the atmospheric pressure value at lateral upper left quarter electronic valve and the air pressure at upper right quarter electronic valve
Value compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, lateral downside with
Similarly.
The alarm module is provided with alarm, and the alarm module receives alarm signal, starts alarm.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (1)
1. a kind of autocontrol method of graphite evaporator, which is characterized in that it includes the following steps：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure digital signal and is transferred to
PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity digital signal and is transferred to PLC；
Step 5：PLC receives each air pressure digital signal, if P<The atmospheric pressure value of each steam inlet is carried out portraitlandscape two by 0.4MPa
Two compare, and transmitting air pressure to fine tuning module executes signal 005, and the electronic valve at the small place of the fine tuning module controlling value is opened greatly, value
The electronic valve of general goal turns down, i.e.,：PLC by longitudinal upper left quarter electronic valve atmospheric pressure value at lower left quarter electronic valve
Atmospheric pressure value compares, and control pressure is worth the electronic valve at small place and opens greatly, and the electronic valve of controlling value general goal turns down, longitudinal right side
Side is therewith similarly；PLC is by the atmospheric pressure value at lateral upper left quarter electronic valve compared with the atmospheric pressure value at upper right quarter electronic valve
Compared with, and control pressure is worth the electronic valve at small place and opens greatly, the electronic valve of controlling value general goal turns down, and lateral downside is same therewith
Reason,
If there is 0.4MPa≤P<0.5MPa then transmits air pressure to fine tuning module and executes signal 001, if 0.5MPa≤P<0.55MPa,
It then finely tunes module and transmits air pressure execution signal 002, if P >=0.55MPa, transmit alarm to alarm module and fine tuning module respectively
Signal and air pressure execute signal 003；Signal 001 is executed when finely tuning module and executing air pressure or after 002, if T≤- 70 DEG C, to micro-
Mode transfer block transmits air pressure and executes signal 004；
PLC receives each temperature digital signal, if 400 DEG C≤T<It 450 DEG C, then transmits temperature to fine tuning module and executes signal 101, if
450℃≤T<480 DEG C, then transmit temperature to fine tuning module and execute signal 102, if T >=480 DEG C, respectively to alarm module and
It finely tunes module and transmits alarm signal and temperature execution signal 103；
PLC receives each humidity digital signal, if 85%≤RH<95%, then it transmits humidity to fine tuning module and executes signal 201, if
RH >=95% then transmits alarm signal to alarm module and fine tuning module respectively and humidity executes signal 202；
Step 6：The fine tuning module receives air pressure and executes signal 001,004 or 005, temperature execution signal 101 and humidity execution
Signal 201, and the electronic valve for controlling corresponding steam inlet is opened big or is turned down；
It receives air pressure and executes signal 002 and temperature execution signal 102, and the electronic valve for controlling steam (vapor) outlet (7) is opened greatly；
It receives air pressure and executes signal 003, temperature execution signal 103 and humidity execution signal 202, and control material feed inlet successively
(14) it is closed with the opening and closing valve of steam inlet (5)；
Step 7：Alarm module receives alarm signal, starts alarm and sends out early warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625181.1A CN105204425B (en) | 2015-09-28 | 2015-09-28 | A kind of autocontrol method of graphite evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625181.1A CN105204425B (en) | 2015-09-28 | 2015-09-28 | A kind of autocontrol method of graphite evaporator |
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| Publication Number | Publication Date |
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| CN105204425A CN105204425A (en) | 2015-12-30 |
| CN105204425B true CN105204425B (en) | 2018-07-13 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4114334A1 (en) * | 1991-05-02 | 1992-11-05 | Buss Ag | THICK FILM EVAPORATOR MADE OF CORROSION-RESISTANT MATERIAL |
| US20050229856A1 (en) * | 2004-04-20 | 2005-10-20 | Malik Roger J | Means and method for a liquid metal evaporation source with integral level sensor and external reservoir |
| CN202205071U (en) * | 2011-08-12 | 2012-04-25 | 启东神农机械有限公司 | Control cabinet of evaporator |
| DK2674697T3 (en) * | 2012-06-14 | 2019-01-07 | Alfa Laval Corp Ab | PLATE HEAT EXCHANGE |
| CN103433266A (en) * | 2013-03-31 | 2013-12-11 | 香港优华环保设备有限公司 | Intelligent reaction kettle equipment system for industrial wastes |
| CN203816237U (en) * | 2014-03-19 | 2014-09-10 | 常州泰特环境设备工程有限公司 | Graphite evaporator for evaporation and concentration |
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2015
- 2015-09-28 CN CN201510625181.1A patent/CN105204425B/en active Active
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Effective date of registration: 20180605 Address after: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Applicant after: Ma'an Mountain Niu Ze science service Co., Ltd Address before: 610000 Sichuan Chengdu Wuhou District Longmen Lane 6 1 Building 2 unit 12 Applicant before: Xia Jinchu |
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Effective date of registration: 20201106 Address after: No. 108, Xingyuan South Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee after: Nantong Runzhong Graphite Equipment Co., Ltd Address before: 243000 Anhui city of Ma'anshan province high tech Zone at 1669 North Road Huo sparkle Building No. 2 Patentee before: MAANSHAN NIUZE TECHNOLOGY SERVICE Co.,Ltd. |