CN114111420A - Automatic control system and method for tetrafluoroethylene production heat recovery - Google Patents
Automatic control system and method for tetrafluoroethylene production heat recovery Download PDFInfo
- Publication number
- CN114111420A CN114111420A CN202111423033.3A CN202111423033A CN114111420A CN 114111420 A CN114111420 A CN 114111420A CN 202111423033 A CN202111423033 A CN 202111423033A CN 114111420 A CN114111420 A CN 114111420A
- Authority
- CN
- China
- Prior art keywords
- compensator
- cold
- waste heat
- automatic control
- temperature
- 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.)
- Granted
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 39
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000002918 waste heat Substances 0.000 claims abstract description 45
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000197 pyrolysis Methods 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052731 fluorine Inorganic materials 0.000 abstract description 2
- 239000011737 fluorine Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses an automatic control system and method for recovery of tetrafluoroethylene production heat, belonging to the technical field of fluorine chemical industry, and comprising a desalted water head tank and a waste heat recoverer, wherein the desalted water head tank is used for automatic water supply of a system and is connected with an inlet of the waste heat recoverer through a hot water pump; the waste heat recoverer is used for receiving cracked gas, an outlet of the waste heat recoverer is connected with the hot compensator and the cold compensator in parallel, the hot compensator and the cold compensator are respectively connected with a user side, the hot compensator is provided with a hot compensation regulating valve, and the cold compensator is provided with a cold compensation regulating valve; the waste heat recoverer can send desalted water after waste heat recovery to a user end through the thermal compensator or the cold compensator. The invention realizes the automatic control of heat recovery in tetrafluoroethylene production and improves the automatic control level of tetrafluoroethylene production.
Description
Technical Field
The invention relates to the technical field of fluorine chemical industry, in particular to an automatic control system and method for heat recovery in tetrafluoroethylene production.
Background
With the continuous progress of chemical technology, the level of automatic control is required to be gradually increased, but the level of automatic control of the existing tetrafluoroethylene production, especially the energy-saving link, is not high, and the automatic control becomes a key problem to be urgently solved by the industry at present. For example, the prior art discloses a system and a method for recovering heat energy of tetrafluoroethylene cracked gas, which comprises a steam generator, a cooler and a heat energy recoverer, and adopts a two-stage recovery method to realize heat recovery of the tetrafluoroethylene cracked gas. Although the system can realize heat recovery, effective control of all links cannot be realized in the heat recovery process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic control system and method for heat recovery in tetrafluoroethylene production, so that the automatic control of heat recovery in tetrafluoroethylene production is realized, and the automatic control level of tetrafluoroethylene production is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides an automated control system for heat recovery in tetrafluoroethylene production, comprising:
the desalted water head tank is used for automatically supplementing water to the system and is connected with an inlet of the waste heat recoverer through a hot water pump;
the waste heat recoverer is used for receiving cracked gas, an outlet of the waste heat recoverer is connected with the hot compensator and the cold compensator in parallel, the hot compensator and the cold compensator are respectively connected with a user side, the hot compensator is provided with a hot compensation regulating valve, and the cold compensator is provided with a cold compensation regulating valve; the waste heat recoverer can send desalted water after waste heat recovery to a user end through the thermal compensator or the cold compensator.
As a further implementation mode, a first thermometer is installed on a connecting pipeline of the waste heat recoverer, the heat compensator and the cold compensator.
As a further implementation manner, a second thermometer is installed on a connecting pipeline between the thermal compensator and the user side, the second thermometer and the thermal compensation regulating valve form feedback, and the opening of the thermal compensation regulating valve is controlled according to the temperature detected by the second thermometer.
As a further implementation mode, a third thermometer is installed between the cold compensator and a connecting pipeline of a user, the cold compensator is connected with the controller, and the third thermometer can feed back the detected temperature to the controller.
As a further implementation mode, the desalted water head tank is provided with a water replenishing quick-cutting valve, a water draining quick-cutting valve and a liquid level meter.
In a second aspect, an embodiment of the present invention further provides an automatic control method for heat recovery in tetrafluoroethylene production, where the automatic control method is adopted, and the method includes:
chilling and cooling the high-temperature pyrolysis gas, and then feeding the high-temperature pyrolysis gas into a waste heat recoverer;
the desalted water is stopped after the desalted water is fed into the control system from the desalted water head tank to a set range;
the hot water pump pumps desalted water into a waste heat recoverer for waste heat recovery, and then the desalted water is sent to each user side through a thermal compensator or a cold compensator; when the temperature does not reach the first set temperature range, thermal compensation is carried out by controlling the thermal compensation adjusting valve; and when the temperature is higher than the second set temperature range, controlling the cold compensation regulating valve and performing cold compensation.
As a further implementation mode, when the temperature of hot water output by the waste heat recoverer is lower than 70 ℃, a second thermometer behind the thermal compensator detects that the temperature is lower than 70 ℃, and the thermal compensation regulating valve is opened for heating compensation.
As a further implementation mode, when the temperature of hot water output by the waste heat recoverer is higher than 80 ℃, the cold compensation regulating valve is opened to carry out cooling and cold compensation; meanwhile, the third thermometer behind the cold compensator detects that the temperature is higher than 80 ℃, and the controller of the cold compensator automatically adjusts the cooling air quantity of the cold compensator to carry out cooling and cold compensation.
As a further implementation mode, the liquid level of the desalted water head tank is set to 50%, and when the set value is reached, the water replenishing quick-cut valve is closed; during operation, the drain quick-cut valve opens for drainage when the liquid level is above 85%.
As a further implementation mode, the heat is controlled to run at a constant temperature through the interlocking of all the valves and is transmitted to all the user terminals.
The invention has the following beneficial effects:
the waste heat in the tetrafluoroethylene production process reasonably sets facilities such as desalted water inlet and outlet adjustment, hot water temperature, cold and hot compensators and the like through automatic control operations such as cold and hot compensation and the like, realizes automatic operation and automatic adjustment control, and enables the process materials after the tetrafluoroethylene production to carry out heat to send the recovered heat to each user in a constant temperature and stable state under the condition of not influencing the operation of the whole system, thereby improving the automation level of the process system and realizing the stable operation of the system.
When the temperature of hot water output by the waste heat recoverer is lower than 70 ℃, a second thermometer behind the thermal compensator detects that the temperature is lower than 70 ℃, and a thermal compensation regulating valve is opened for heating compensation; when the temperature of the hot water output by the waste heat recoverer is higher than 80 ℃, the cold compensation regulating valve is opened to carry out cooling and cold compensation; the hot water of external supply is ensured to keep a constant temperature through the setting of cold and hot compensation temperature condition to ensure that each user uses steadily, avoid causing each user can not the steady operation because of the fluctuation.
The process method is simple and stable in operation, and realizes automatic control of tetrafluoroethylene production heat recovery.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;
FIG. 2 is a schematic illustration of a coordinated control according to one or more embodiments of the invention;
the system comprises a water replenishing fast-switching valve 1, a water replenishing fast-switching valve 2, a liquid level meter 3, a thermal compensation regulating valve 4, a second thermometer 5, a cold compensation regulating valve 6, a first thermometer 7, a third thermometer 8, a controller 9, a drainage fast-switching valve 10, a desalted water elevated tank 11, a waste heat recoverer 12, a thermal compensator 13, a cold compensator 14, a hot water pump 15 and a user side.
Detailed Description
The first embodiment is as follows:
the embodiment provides an automatic control system for recovery of heat in tetrafluoroethylene production, as shown in fig. 1, which comprises a desalted water head tank 10, a waste heat recoverer 11, a heat compensator 12 and a cold compensator 13, wherein high-temperature (650-730 ℃) pyrolysis gas output from a pyrolysis reactor enters the waste heat recoverer 11 after being chilled and cooled to heat desalted water for recovery of heat; the input end of the waste heat recoverer 11 is connected with the hot water pump 14, the output end is connected with the thermal compensator 12 and the cold compensator 13, and the thermal compensator 12 and the cold compensator 13 are connected in parallel.
In the present embodiment, the waste heat recovery device 11 is a graphite waste heat recovery device.
The first thermometer 6 is installed on the connecting pipeline between the output end of the cold compensator 13 and the thermal compensator 12 and the cold compensator 13, the pipeline behind the first thermometer 6 forms two branches, one branch is connected with the thermal compensator 12, and the other branch is connected with the cold compensator 13.
The branch circuit connected with the cold compensator 13 is provided with the cold compensation adjusting valve 5, feedback is formed between the cold compensation adjusting valve 5 and the first thermometer 6, and when the temperature detected by the first thermometer 6 reaches a set range, the cold compensation adjusting valve 5 is started to perform cold compensation.
Further, a thermal compensation regulating valve 3 is installed at a steam input end of the thermal compensator 12, a second thermometer 4 is installed on a connecting pipeline of the thermal compensator 12 and the user terminal 15, and the second thermometer 4 and the thermal compensation regulating valve 3 form feedback.
The output ends of the desalted water head tank 10 and the cold compensator 13 are connected with the input end of the hot water pump 14; after the hot water pump 14 is operated, desalted water is pumped into the waste heat recoverer 11 for waste heat recovery, and then the desalted water is sent to each user for use through the thermal compensator 12 or the cold compensator 13 (air cooling cooler).
The water supplementing fast-cutting valve 1, the water discharging fast-cutting valve 9 and the liquid level meter 2 are connected to the desalted water head tank 10, the water level of the desalted water head tank 10 is monitored through the liquid level meter 2, and the water supplementing fast-cutting valve 1 or the water discharging fast-cutting valve 9 is controlled to be started according to the water level. The water level is controlled to prevent the circulating pump from being stopped and the hot water system from being stopped due to the fact that the circulating pump is stopped when overflowing and empty liquid level are controlled, and then all users are stopped.
The automatic control system of the embodiment is provided with a thermal compensation regulating valve, a thermometer, a cold compensation controller and a thermometer; the thermal compensation regulating valve and the thermometer are provided with automatic control regulation, and the cold compensation regulating valve and the thermometer are provided with automatic control, so that the automatic control of thermal compensation and cold compensation is realized.
Example two:
the embodiment provides an automatic control method for tetrafluoroethylene production heat recovery, which adopts the automatic control system of the embodiment one, and comprises the following steps:
high-temperature (650-730 ℃) pyrolysis gas output from the pyrolysis reactor enters a waste heat recoverer to heat desalted water after being chilled and cooled, and then heat recovery is carried out.
And (3) after the desalted water is fed into the system from the elevated tank, recovering the whole heat and filling the system using hot water with water, and stopping water feeding, namely, the water feeding quick-cutting valve and the water discharging quick-cutting valve are respectively automatically controlled with the liquid level, so that water feeding is stopped when 50 percent of the water is fed and water discharging is higher than 85 percent of the water is discharged.
After the hot water pump operates, desalted water is pumped into a graphite waste heat recoverer for waste heat recovery, and then the desalted water is sent to each user for use through a thermal compensator or a cold compensator.
If the temperature of the hot water from the waste heat recoverer is lower than 70 ℃, a second thermometer behind the thermal compensator detects that the temperature is lower than 70 ℃, and the thermal compensation regulating valve is opened for heating compensation.
If the temperature of the hot water from the waste heat recoverer is higher than 80 ℃, the temperature detected by the first thermometer after heat recovery is higher than 80 ℃, and the cold compensation regulating valve is opened for cooling and cold compensation; meanwhile, a third thermometer behind the cold compensator detects that the temperature is higher than 80 ℃, and a controller of the cold compensator automatically adjusts the cooling air volume of the cold compensator to carry out cooling and cold compensation.
The hot water of external supply is ensured to keep a constant temperature through the setting of cold and hot compensation temperature condition to ensure that each user uses steadily, avoid causing each user can not the steady operation because of the fluctuation.
As shown in fig. 2, the heat is controlled to run at a constant temperature and be supplied to each user through the above-mentioned series of interlocking control.
The recovered waste heat in the production process of the tetrafluoroethylene is reasonably provided with facilities such as desalted water inlet and outlet adjustment, hot water temperature, a cold and hot compensator and the like through automatic control operations such as cold and hot compensation and the like, so that automatic operation and automatic adjustment control are realized, the recovered heat is sent to each user to be used under the condition that the operation of the whole system is not influenced by the heat carried by the process materials after the tetrafluoroethylene is produced, and the automation level of the process system is improved to realize the stable operation of the system. The process method is simple and stable in operation, and realizes automatic control of tetrafluoroethylene production heat recovery.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An automated control system for tetrafluoroethylene production heat recovery, comprising:
the desalted water head tank is used for automatically supplementing water to the system and is connected with an inlet of the waste heat recoverer through a hot water pump;
the waste heat recoverer is used for receiving cracked gas, an outlet of the waste heat recoverer is connected with the hot compensator and the cold compensator in parallel, the hot compensator and the cold compensator are respectively connected with a user side, the hot compensator is provided with a hot compensation regulating valve, and the cold compensator is provided with a cold compensation regulating valve; the waste heat recoverer can send desalted water after waste heat recovery to a user end through the thermal compensator or the cold compensator.
2. The automatic control system for tetrafluoroethylene production heat recovery of claim 1, wherein the connecting pipeline of the waste heat recoverer, the heat compensator and the cold compensator is provided with a first thermometer.
3. The automatic control system for tetrafluoroethylene production heat recovery according to claim 1, wherein a second thermometer is installed on the connection pipeline between the thermal compensator and the user terminal, the second thermometer and the thermal compensation regulating valve form feedback, and the opening of the thermal compensation regulating valve is controlled according to the temperature detected by the second thermometer.
4. The automatic control system for tetrafluoroethylene production heat recovery according to claim 1, wherein a third thermometer is installed between the cold compensator and the connection pipeline of the user, the cold compensator is connected with the controller, and the third thermometer can feed back the detected temperature to the controller.
5. The automatic control system for the recovery of heat in tetrafluoroethylene production according to claim 1, wherein the desalted water head tank is provided with a water replenishing quick-cutting valve, a water draining quick-cutting valve and a liquid level meter.
6. An automated control method for heat recovery in tetrafluoroethylene production, characterized in that the control system according to any one of claims 1 to 5 is used, comprising:
chilling and cooling the high-temperature pyrolysis gas, and then feeding the high-temperature pyrolysis gas into a waste heat recoverer;
the desalted water is stopped after the desalted water is fed into the control system from the desalted water head tank to a set range;
the hot water pump pumps desalted water into a waste heat recoverer for waste heat recovery, and then the desalted water is sent to each user side through a thermal compensator or a cold compensator; when the temperature does not reach the first set temperature range, thermal compensation is carried out by controlling the thermal compensation adjusting valve; and when the temperature is higher than the second set temperature range, controlling the cold compensation regulating valve and performing cold compensation.
7. The automatic control method for the recovery of heat in tetrafluoroethylene production according to claim 6, wherein when the temperature of hot water output by the waste heat recoverer is lower than 70 ℃, the temperature detected by the second thermometer after the thermal compensator is lower than 70 ℃, and the thermal compensation regulating valve is opened to perform heating compensation.
8. The automatic control method for tetrafluoroethylene production heat recovery according to claim 6, wherein when the temperature of the hot water output by the waste heat recoverer is higher than 80 ℃, the cold compensation regulating valve is opened to perform cooling and cold compensation; meanwhile, the third thermometer behind the cold compensator detects that the temperature is higher than 80 ℃, and the controller of the cold compensator automatically adjusts the cooling air quantity of the cold compensator to carry out cooling and cold compensation.
9. The automatic control method for the recovery of heat in tetrafluoroethylene production according to claim 6, wherein the liquid level of the desalted water head tank is set to 50%, and when the set value is reached, the water replenishing quick-cut valve is closed; during operation, the drain quick-cut valve opens for drainage when the liquid level is above 85%.
10. The automatic control method for the recovery of heat in tetrafluoroethylene production according to claim 6, wherein the heat is interlocked and controlled to run at a constant temperature through valves and is delivered to user terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423033.3A CN114111420B (en) | 2021-11-26 | 2021-11-26 | Automatic control system and method for heat recovery in tetrafluoroethylene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423033.3A CN114111420B (en) | 2021-11-26 | 2021-11-26 | Automatic control system and method for heat recovery in tetrafluoroethylene production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114111420A true CN114111420A (en) | 2022-03-01 |
| CN114111420B CN114111420B (en) | 2023-12-26 |
Family
ID=80370109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111423033.3A Active CN114111420B (en) | 2021-11-26 | 2021-11-26 | Automatic control system and method for heat recovery in tetrafluoroethylene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114111420B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502228Y (en) * | 2001-08-24 | 2002-07-24 | 广州市达德技术发展有限公司 | Hot water energy-saving device using waste heat automatic controlled by computer |
| CA2671813A1 (en) * | 2008-08-04 | 2010-02-04 | Premark Feg L.L.C. | Warewasher with water energy recovery system |
| CN203132416U (en) * | 2012-12-20 | 2013-08-14 | 上海蕲黄节能环保设备有限公司 | Waste-heat-recovery constant-temperature water heating system |
| CN107327838A (en) * | 2017-08-09 | 2017-11-07 | 青岛理工大学 | Low-temperature waste heat recovery heat supply method for cooling water of slag cooler |
| CN206724751U (en) * | 2017-05-03 | 2017-12-08 | 北京澳柯清洁煤气工程技术有限公司 | Coal gas cooling system with waste heat recovery and cooling water circulation |
| TR201813385A2 (en) * | 2018-09-18 | 2019-03-21 | Hamit Memur | HAMITA DEVICE, START-STOP COMBI, DEVICE TO OPERATE COMBI IN USE WITH START / STOP SYSTEM, EQUIPMENT TO OPERATE THE EXISTING COMBIES ON THE PRODUCTION LINE WITH THE START / STOP SYSTEM, THE EQUIPMENT THAT USES THE START / STOP SYSTEM, THE EQUIPMENT THAT USES THE START / STOP SYSTEM. |
| CN110873335A (en) * | 2019-12-09 | 2020-03-10 | 东方电气集团东方锅炉股份有限公司 | Heat transfer system and adjustment control method thereof |
| CN213066618U (en) * | 2020-09-09 | 2021-04-27 | 金川集团股份有限公司 | Double-section waste heat recycling device |
-
2021
- 2021-11-26 CN CN202111423033.3A patent/CN114111420B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502228Y (en) * | 2001-08-24 | 2002-07-24 | 广州市达德技术发展有限公司 | Hot water energy-saving device using waste heat automatic controlled by computer |
| CA2671813A1 (en) * | 2008-08-04 | 2010-02-04 | Premark Feg L.L.C. | Warewasher with water energy recovery system |
| CN203132416U (en) * | 2012-12-20 | 2013-08-14 | 上海蕲黄节能环保设备有限公司 | Waste-heat-recovery constant-temperature water heating system |
| CN206724751U (en) * | 2017-05-03 | 2017-12-08 | 北京澳柯清洁煤气工程技术有限公司 | Coal gas cooling system with waste heat recovery and cooling water circulation |
| CN107327838A (en) * | 2017-08-09 | 2017-11-07 | 青岛理工大学 | Low-temperature waste heat recovery heat supply method for cooling water of slag cooler |
| TR201813385A2 (en) * | 2018-09-18 | 2019-03-21 | Hamit Memur | HAMITA DEVICE, START-STOP COMBI, DEVICE TO OPERATE COMBI IN USE WITH START / STOP SYSTEM, EQUIPMENT TO OPERATE THE EXISTING COMBIES ON THE PRODUCTION LINE WITH THE START / STOP SYSTEM, THE EQUIPMENT THAT USES THE START / STOP SYSTEM, THE EQUIPMENT THAT USES THE START / STOP SYSTEM. |
| CN110873335A (en) * | 2019-12-09 | 2020-03-10 | 东方电气集团东方锅炉股份有限公司 | Heat transfer system and adjustment control method thereof |
| CN213066618U (en) * | 2020-09-09 | 2021-04-27 | 金川集团股份有限公司 | Double-section waste heat recycling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114111420B (en) | 2023-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109147967B (en) | Boron concentration control device and method for nuclear power station | |
| CN108278590A (en) | A kind of system and method for HTGR Nuclear Power Plant Cooling at reactor shutdown | |
| CN103933916A (en) | Heating-cooling method and heating-cooling system utilizing fused salt as carrier | |
| CN112768101A (en) | System and method for starting nuclear power unit of high-temperature gas cooled reactor by sliding pressure | |
| CN114318360A (en) | Heat management's circulation heat transfer system | |
| CN114110557B (en) | Automatic liquid level adjusting system and method for deaerator | |
| CN114111420A (en) | Automatic control system and method for tetrafluoroethylene production heat recovery | |
| CN112302811B (en) | Switching control method of high-low sulfur oil switching device and high-low sulfur oil switching device | |
| CN110925732A (en) | Agriculture and forestry biomass water-cooling vibration grate boiler combined heat and power generation unit small-capacity hot well and deaerator water level combined control strategy and device | |
| CN113405088A (en) | Three-impulse frequency conversion automatic adjusting method | |
| CN108613197B (en) | Device for recycling heat energy of RTO incinerator and application method thereof | |
| CN210859222U (en) | Energy recovery system of nuclear power air compressor | |
| CN108800598B (en) | Flue gas waste heat recycling combined air heater double-bypass wide-load adjusting method | |
| CN103822356B (en) | A kind of dynamic heat energy intelligent dispensing system of energy-saving organic heat carrier | |
| CN216694160U (en) | Self-adjusting power-saving heating temperature control device | |
| CN111829047B (en) | Double-water-tank solid sensible heat storage heating system and demand response regulation and control method | |
| CN111620305B (en) | Device and method for greatly improving byproduct steam of synthesis of hydrogen chloride | |
| CN111056616B (en) | Supercritical water oxidation system with air as oxidant and starting method | |
| CN105062509A (en) | Flue suction and thermal carrier temperature control method in coke oven waste heat recovery | |
| CN107382109B (en) | Electric energy self-maintaining dry cement sintering process and power supply and distribution system thereof | |
| CN217485503U (en) | Fuel side reaction gas supply system for solid oxide electrolytic cell | |
| CN115077258B (en) | Water cooling energy-saving method for multiple furnace groups | |
| CN218951030U (en) | Ammonia supply system | |
| CN212930225U (en) | Secondary network closed-loop control terminal system of heat exchange station | |
| CN214196413U (en) | Gas turbine cooling and natural gas heating integrated system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |