CN108917175B - High-purity ammonia tank car heating system and heating method thereof - Google Patents
High-purity ammonia tank car heating system and heating method thereof Download PDFInfo
- Publication number
- CN108917175B CN108917175B CN201810781946.4A CN201810781946A CN108917175B CN 108917175 B CN108917175 B CN 108917175B CN 201810781946 A CN201810781946 A CN 201810781946A CN 108917175 B CN108917175 B CN 108917175B
- Authority
- CN
- China
- Prior art keywords
- tank
- temperature
- heating
- tank car
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000010438 heat treatment Methods 0.000 title claims abstract description 80
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000005086 pumping Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000008676 import Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 11
- 239000002918 waste heat Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/2295—Means for heating, cooling, or insulating tanks or equipments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a heating system of a high-purity ammonia tank car and a heating method thereof, comprising a circulating water tank, a water source heat pump, a buffer water tank, a pumping pump and a heating coil pipe arranged in the high-purity ammonia tank car, wherein the outlet of the pumping pump is connected with the inlet of the heating coil pipe in the high-purity ammonia tank car through a tank car inlet pipeline, the inlet of the water source heat pump is connected with the outlet of the heating coil pipe through a tank car outlet pipeline, the outlet of the water source heat pump is connected with the buffer water tank through a buffer pipeline, the buffer water tank is connected with the inlet of the pumping pump through a pumping pipeline, the circulating water tank is connected with the outlet of the water source heat pump through a tank inlet pipeline, and the circulating water tank is connected with the inlet of the water source heat pump through a tank outlet pipeline. The high-purity ammonia tank car heating system adopts the water source heat pump as a medium, utilizes waste heat liquid, transfers the energy of the waste heat liquid into the tank car, realizes waste heat recovery, effectively improves the tank car heating efficiency, and can effectively reduce energy consumption and reduce safety risk compared with the original glycol heating.
Description
Technical Field
The invention relates to a heating system and a heating method of a high-purity ammonia tank car, and belongs to the technical field of high-purity ammonia tank car treatment and air supply.
Background
At present, the electronic grade high-purity ammonia is mostly transported and supplied by a tank car, and the high-purity liquid ammonia in the tank car is required to be continuously gasified and supplied in the gas supply process. The continuous gasification and gas supply of high-purity ammonia requires continuous heating and pressure increasing of liquid ammonia in the tank car, and the heating and pressure increasing mode mostly adopts glycol electric heating.
With the development of the technology at the user end, the air supply amount of the high-purity ammonia is increased, the electric heating of the ethylene glycol is changed from the original single-side low-power heating to the existing double-side heating and high-power heating, the energy consumption required by the process is gradually increased, and the safety risk is also gradually increased.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a high-purity ammonia tank car heating system with high heating efficiency, low energy consumption and low risk and a heating method thereof. According to the invention, the water source heat pump is used as a medium, the waste heat of the factory area/water source liquid of the factory area is utilized to be discharged into the circulating water pool, the generated heat energy is transferred into the tank car for use, so that the waste heat recovery is realized, the heating efficiency of the tank car is effectively improved, the energy consumption can be effectively reduced compared with the original glycol heating, the heating process is low in risk, and the method has good practicability.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a high-purity ammonia tank wagon heating system, includes circulating water pond, water source heat pump, buffer tank, pump and sets up the heating coil in the high-purity ammonia tank wagon, its characterized in that, the export of pump is passed through tank wagon import pipeline with the entry of the heating coil in the high-purity ammonia tank wagon and is connected, and first the import of water source heat pump is passed through tank wagon outlet pipeline and heating coil's exit linkage, and first the export of water source heat pump is passed through buffer pipeline with buffer tank and is connected, and buffer tank passes through pump connection with the import of pump, and circulating water pond and second the export of water source heat pump are passed through pond import pipeline and are connected, and circulating water pond and second the import of water source heat pump are passed through pond export pipeline and are connected.
The buffer water tank is used for stably supplying water, the liquid in the circulating water tank is used for absorbing heat in the circulating water tank through the water source heat pump, and the pumping pump pumps hot water absorbing the heat into the heating coil in the high-purity ammonia tank car, so that the high-purity ammonia liquid in the tank car is heated and gasified, and stable air supply of the high-purity ammonia tank car is realized.
Further, a circulating pump is arranged on an outlet pipeline of the circulating water tank.
Furthermore, a first temperature sensor and a first pneumatic valve are arranged on an inlet pipeline of the heating coil pipe of the tank wagon. The temperature sensor is used for observing the temperature of the liquid pumped by the pumping pump.
Further, a second temperature sensor and a second pneumatic valve are arranged on the tank wagon outlet pipeline.
Furthermore, the buffer pipeline is provided with a third temperature sensor and a third pneumatic valve which are interlocked. And the third pneumatic valve is interlocked with the third temperature sensor, so that the temperature in the heating process is controlled, and the purpose of stable heating is realized.
Further, the buffer water tank is provided with a temperature sensor IV.
Further, the buffer water tank is sleeved with an insulating layer.
Further, a temperature sensor five for detecting the temperature in the tank car is arranged on the tank car and is interlocked with the pneumatic valve I through a signal line. The first pneumatic valve at the outlet of the pumping pump is interlocked with the temperature of the tank car, and the first pneumatic valve automatically adjusts along with the change of the temperature in the tank car to keep the temperature in the tank car within a safe range.
The heating method of the high-purity ammonia tank car is characterized by comprising the following specific steps of: s1: confirming a process pipeline of a circulating water pool and a water source heat pump, opening a valve related to the circulating pump to the water source heat pump, starting the circulating pump, and confirming the inlet temperature of the water source heat pump;
S2: confirming that a second pneumatic valve on an outlet pipeline of the tank wagon is in an open state;
s3: confirming that a pneumatic valve III on the buffer pipeline is in an open state;
s4: opening a water source heat pump, observing the temperature of a temperature sensor III at the outlet of the water source heat pump, regulating the outlet temperature to a set temperature by using a pneumatic valve triple lock, and opening a pneumatic valve I on an inlet pipeline of the tank wagon when the liquid level and the temperature of the buffer water tank are observed to reach the use temperature liquid level, so as to start a pumping pump and realize heating of the tank wagon;
s5: a pneumatic valve I arranged on an inlet pipeline of the tank wagon is interlocked with a temperature sensor five for detecting the temperature of the tank wagon, and the heating temperature of the tank wagon is set;
s6, closely focusing on temperature changes of the first, second, third, fourth and fifth temperature sensors in the tank car heating process;
and S7, switching in DCS control, and when the tank car reaches the set temperature, switching off the pumping pump and the water source heat pump by the DCS, and ending the heating of the tank car.
Further, in step S1, the inlet temperature of the circulating water pond is controlled to be 19-32 ℃.
Further, in step S4, the temperature of the third temperature sensor and the buffer tank is 30-60 ℃, and the liquid level of the buffer tank is 0-50%.
Further, in step S5, the tank car heating temperature is set to 25-30 ℃.
Compared with the prior art, the invention has the positive effects that: the high-purity ammonia tank car heating system adopts the water source heat pump as a medium, utilizes waste heat liquid in a factory, transfers the energy of the waste heat liquid in a circulating water tank into the tank car for use, realizes waste heat recovery, effectively improves the tank car heating efficiency, can effectively reduce energy consumption compared with the original glycol heating, and has good use effect of reducing safety risk.
Drawings
FIG. 1 is a schematic diagram of the heating system of the high purity ammonia tank truck.
In the figure, a high-purity ammonia tank car is shown as the specification; 2. a circulating water tank; 3. a water source heat pump; 31. a circulation pump; 4. a buffer water tank; 5. a pumping pump; 6. a heating coil; 7. tank wagon inlet line; 8. tank car outlet line; 9. a buffer line; 10. pumping the pipeline; 11. a pool inlet line; 12. a cell outlet line; 13. a first temperature sensor; 14. a first pneumatic valve; 15. a second temperature sensor; 16. a pneumatic valve II; 17. a third temperature sensor; 18. a pneumatic valve III; 19. a heat preservation layer; 20. a temperature sensor IV; 21. and a temperature sensor five.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the high-purity ammonia tank car heating system comprises a circulating water tank 2, a water source heat pump 3, a buffer water tank 4, a pumping pump 5 and a heating coil 6 arranged in the high-purity ammonia tank car, and is characterized in that the outlet of the pumping pump 5 is connected with the inlet of the heating coil 6 in the high-purity ammonia tank car through a tank car inlet pipeline 7, the inlet I of the water source heat pump 3 is connected with the outlet of the heating coil 6 through a tank car outlet pipeline 8, the outlet I of the water source heat pump 3 is connected with the buffer water tank 4 through a buffer pipeline 9, the buffer water tank 4 is connected with the inlet of the pumping pump 5 through a pumping pipeline 10, the circulating water tank 2 is connected with the outlet II of the water source heat pump 3 through a tank inlet pipeline 11, and the circulating water tank 2 is connected with the inlet II of the water source heat pump 3 through a tank outlet pipeline 12, and a circulating pump 31 is arranged on the outlet pipeline of the circulating water tank 2.
The buffer water tank 4 is used for stably supplying water, the liquid in the circulating water tank 2 passes through the water source heat pump 3, the water source heat pump 3 absorbs heat in the circulating water tank 2, the pumping pump 5 pumps hot water absorbing heat into the heating coil 6 in the high-purity ammonia tank car, so that the high-purity ammonia liquid in the tank car is heated and gasified, and stable air supply of the high-purity ammonia tank car is realized.
The inlet pipeline of the heating coil 6 of the tank car is provided with a first temperature sensor 13 and a first pneumatic valve 14. The first temperature sensor 13 is used for observing the temperature of the liquid sent by the pumping pump 5.
The tank wagon outlet pipeline 8 is provided with a second temperature sensor 15 and a second pneumatic valve 16.
The buffer pipeline 9 is provided with a third temperature sensor 17 and a third pneumatic valve 18, and the third temperature sensor 17 and the third pneumatic valve 18 are interlocked. And the third pneumatic valve 18 is interlocked with the third temperature sensor 17, so that the temperature in the heating process is controlled, and the purpose of stable heating is realized.
The buffer water tank 4 is provided with a temperature sensor four 20, and the buffer water tank 4 is sleeved with an insulating layer 19.
The tank wagon is provided with a temperature sensor five 21 for detecting the temperature in the tank wagon, and the temperature sensor five 21 is interlocked with the pneumatic valve one 14 through a signal line. The pneumatic valve 14 at the outlet of the pumping pump 5 is interlocked with the temperature of the tank car, and the pneumatic valve 14 can be automatically adjusted along with the change of the temperature in the tank car, so that the temperature in the tank car is kept in a safe range.
The heating method of the high-purity ammonia tank car is characterized by comprising the following specific steps of:
S1: confirming process pipelines of the circulating water tank 2 and the water source heat pump 3, opening valves related to the circulating pump 31 to the water source heat pump 3, starting the circulating pump 31, and confirming inlet temperature of the water source heat pump 3;
s2: confirming that the pneumatic valve II 16 on the tank wagon outlet pipeline 8 is in an open state;
s3: confirm that the pneumatic valve three 18 on the buffer line 9 is in an open state;
s4: opening the water source heat pump 3, observing the temperature of a temperature sensor III 17 at the outlet of the water source heat pump 3, regulating the outlet temperature to a set temperature by using a pneumatic valve III 18 in an interlocking way, and opening a pneumatic valve I14 on an inlet pipeline 7 of the tank wagon when the liquid level and the temperature of the buffer water tank 4 are observed to reach the use temperature liquid level, and starting a pumping pump 5 to realize tank wagon heating;
S5: the pneumatic valve I14 arranged on the tank wagon inlet pipeline 7 is interlocked with the temperature sensor V21 for detecting the temperature of the tank wagon, and the heating temperature of the tank wagon is set;
S6, closely focusing on temperature changes of the first 13, second, third, fourth and fifth temperature sensors in the tank car heating process.
And S7, switching in DCS control, and when the tank car reaches the set temperature, switching off the pumping pump 5 and the water source heat pump 3 by the DCS, and ending the heating of the tank car.
Further, in step S1, the inlet temperature of the circulating water reservoir 2 is controlled to be 19-32 ℃.
Further, in step S4, the temperature of the third temperature sensor 17 and the buffer tank 4 is 30-60 ℃, and the liquid level of the buffer tank 4 is 0-50%.
Further, in step S5, the tank car heating temperature is set to 25-30 ℃.
The invention also provides a method for realizing tank car client air supply by using the system, and the client air supply is as follows: the tank car is transported to the customer site, and the gas phase outlet of the tank car is connected with a customer end pipeline. The customers continuously convert the liquid state in the tank car into the gas state through the tank car heating, and the gas phase pipeline is used for stably conveying the liquid state to a using end.
The client air supply method comprises the following steps:
S1-S4 are the same as described above;
S5: the tank car is heated to the specified temperature by opening the interlock of the pneumatic valve one 14 of the tank car inlet line 7 with the tank car temperature and setting the tank car heating temperature. The tank wagon is in a standby state (the client tank wagon is in a one-standby or one-standby state);
In actual operation, in step S5, the client side tank wagon heating temperature is set to 25-32 ℃.
S6, connecting the client with the tank car through a pipeline in a gas phase manner, and performing pipeline purging, pressure maintaining and ammonia replacement;
S7: when the standby state of the tank wagon is switched to the use state, the pneumatic valve I14 is interlocked with a pressure transmitter on a pipeline of a client use end and sets the use pressure;
in actual operation, the client tank car uses a pressure of 90-130psi in step S6. In the air supply process, the outlet temperature of the water suction pump and the liquid level of the buffer water tank 4 are closely concerned, and the opening degree of the outlet valve of the pumping pump 5 is adjusted to be matched with the using pressure of the tank wagon. The temperature setting of the third temperature sensor 17 is adjusted if necessary to match the continuous supply pressure of the entire process.
S8: when the tank wagon pressure is lower than the client air supply pressure/the tank wagon weight is lower than 8% -10%, the pumping pump 5 and the water source heat pump 3 are closed, the pneumatic valve I14 and the pneumatic valve II 16 are closed, and the tank wagon is used.
And S9, removing the connecting pipe after the pipeline purging and nitrogen replacement treatment.
Claims (10)
1. The utility model provides a high-purity ammonia tank wagon heating system, includes circulating water pond, water source heat pump, buffer tank, pump and sets up the heating coil in the high-purity ammonia tank wagon, its characterized in that, the export of pump is passed through tank wagon import pipeline with the entry of the heating coil in the high-purity ammonia tank wagon and is connected, and first the import of water source heat pump is passed through tank wagon outlet pipeline and heating coil's exit linkage, and first the export of water source heat pump is passed through buffer pipeline with buffer tank and is connected, and buffer tank passes through pump connection with the import of pump, and circulating water pond and second the export of water source heat pump are passed through pond import pipeline and are connected, and circulating water pond and second the import of water source heat pump are passed through pond export pipeline and are connected.
2. The heating system of the high-purity ammonia tank car according to claim 1, wherein a circulating pump is arranged on an outlet pipeline of the circulating water tank.
3. The high-purity ammonia tank car heating system according to claim 1, wherein the tank car heating coil inlet pipeline is provided with a first temperature sensor and a first pneumatic valve, and the tank car outlet pipeline is provided with a second temperature sensor and a second pneumatic valve.
4. The heating system of the high-purity ammonia tank car according to claim 1, wherein the buffer pipeline is provided with a third temperature sensor and a third pneumatic valve, and the third temperature sensor and the third pneumatic valve are interlocked.
5. The high purity ammonia tank car heating system of claim 1 wherein the buffer tank is provided with a temperature sensor four.
6. A heating system for a high purity ammonia tank car according to claim 3, wherein the tank car is provided with a temperature sensor five for detecting the temperature in the tank car, and the temperature sensor five is interlocked with a pneumatic valve one through a signal line.
7. The heating method of the high-purity ammonia tank car is characterized by comprising the following specific steps of:
s1: confirming a process pipeline of a circulating water pool and a water source heat pump, opening a valve related to the circulating pump to the water source heat pump, starting the circulating pump, and confirming the inlet temperature of the water source heat pump;
S2: confirming that a second pneumatic valve on an outlet pipeline of the tank wagon is in an open state;
s3: confirming that a pneumatic valve III on the buffer pipeline is in an open state;
s4: opening a water source heat pump, observing the temperature of a temperature sensor III at the outlet of the water source heat pump, regulating the outlet temperature to a set temperature by using a pneumatic valve triple lock, and opening a pneumatic valve I on an inlet pipeline of the tank wagon when the liquid level and the temperature of the buffer water tank are observed to reach the use temperature liquid level, so as to start a pumping pump and realize heating of the tank wagon;
s5: a pneumatic valve I arranged on an inlet pipeline of the tank wagon is interlocked with a temperature sensor five for detecting the temperature of the tank wagon, and the heating temperature of the tank wagon is set;
s6, closely focusing on temperature changes of the first, second, third, fourth and fifth temperature sensors in the tank car heating process;
and S7, switching in DCS control, and when the tank car reaches the set temperature, switching off the pumping pump and the water source heat pump by the DCS, and ending the heating of the tank car.
8. The heating method of a high purity ammonia tank car according to claim 7 wherein in step S1, the circulating water pond inlet temperature is controlled to 19-32 ℃.
9. The heating method of a high purity ammonia tank car according to claim 7, wherein in step S4, the temperature of the temperature sensor three and the buffer tank is 30-60 ℃, and the liquid level of the buffer tank is 0-50%.
10. The method of heating a high purity ammonia tank car according to claim 7 wherein in step S5 the tank car heating temperature is set to 25-30 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781946.4A CN108917175B (en) | 2018-07-17 | 2018-07-17 | High-purity ammonia tank car heating system and heating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781946.4A CN108917175B (en) | 2018-07-17 | 2018-07-17 | High-purity ammonia tank car heating system and heating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917175A CN108917175A (en) | 2018-11-30 |
| CN108917175B true CN108917175B (en) | 2024-06-11 |
Family
ID=64415473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810781946.4A Active CN108917175B (en) | 2018-07-17 | 2018-07-17 | High-purity ammonia tank car heating system and heating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917175B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762659A (en) * | 2020-12-21 | 2021-05-07 | 南京欧能机械有限公司 | Quick-cooling and quick-heating constant-temperature oil circulation control machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7810352A (en) * | 1978-10-16 | 1980-04-18 | Chester Howard Kirk Jr | Double-walled, indirectly heated water heater - comprises water-feed and draw=off, heat-exchanger, and vinyl! or polyurethane lining |
| KR20050119286A (en) * | 2004-06-16 | 2005-12-21 | 주식회사 디앤에스 | Water heating system using engine radiator of concrete pump car |
| CN201322437Y (en) * | 2008-11-27 | 2009-10-07 | 济南冶金化工设备有限公司 | Ammonia waste water heating furnace |
| CN206890852U (en) * | 2017-07-07 | 2018-01-16 | 胜利油田金色河口石油装备有限公司 | A kind of oil field automatic integratedization Multifunctional heater |
| CN208794730U (en) * | 2018-07-17 | 2019-04-26 | 海宁市英德赛电子有限公司 | A kind of high-purity ammon tank car heating system |
-
2018
- 2018-07-17 CN CN201810781946.4A patent/CN108917175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7810352A (en) * | 1978-10-16 | 1980-04-18 | Chester Howard Kirk Jr | Double-walled, indirectly heated water heater - comprises water-feed and draw=off, heat-exchanger, and vinyl! or polyurethane lining |
| KR20050119286A (en) * | 2004-06-16 | 2005-12-21 | 주식회사 디앤에스 | Water heating system using engine radiator of concrete pump car |
| CN201322437Y (en) * | 2008-11-27 | 2009-10-07 | 济南冶金化工设备有限公司 | Ammonia waste water heating furnace |
| CN206890852U (en) * | 2017-07-07 | 2018-01-16 | 胜利油田金色河口石油装备有限公司 | A kind of oil field automatic integratedization Multifunctional heater |
| CN208794730U (en) * | 2018-07-17 | 2019-04-26 | 海宁市英德赛电子有限公司 | A kind of high-purity ammon tank car heating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108917175A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206875538U (en) | Thermal power cogeneration central heating system one-level net direct-furnish heat user heating plant | |
| CN203998973U (en) | Polycrystalline silicon reducing furnace heat energy utilization system | |
| CN101672426B (en) | Recycling device of reserved fluid in fluid supply system or equipment and application method thereof | |
| CN106322752B (en) | A kind of parallel electric water heater with dual inner containers and its heating means | |
| CN204438291U (en) | The mixed water direct-heating system hot systems that first-level pipeline network, secondary network directly connect | |
| CN108917175B (en) | High-purity ammonia tank car heating system and heating method thereof | |
| CN105600913B (en) | A kind of dropping equipment and method of supercritical water system | |
| CN107023882A (en) | A kind of heat supply regulating system saved for gas fired-boiler | |
| CN107388033A (en) | A kind of liquefied natural gas supplying system and its application method | |
| CN208794730U (en) | A kind of high-purity ammon tank car heating system | |
| CN204176929U (en) | Directly-heated type heat pump and solar thermal collector combination heating system | |
| CN206430250U (en) | Solar energy combines heating plant with gas-heating water heater | |
| CN106224764B (en) | Vehicular liquefied natural air-box type differential pressure filling apparatus and method | |
| CN103925706A (en) | Solar photovoltaic and photo-thermal integrated machine system | |
| CN209556037U (en) | A kind of pressure-stabilizing water supply system | |
| CN208734504U (en) | Residual heat of air compressor recycles energy conserving system | |
| CN209481662U (en) | Fermentor heating device | |
| CN207093209U (en) | Pressure regulation power generation integrated system | |
| CN206843312U (en) | A kind of cooling water heating constant-temperature equipment for producing double matte glass pressing machines | |
| CN206206997U (en) | Vehicular liquefied natural air-box type differential pressure filling apparatus | |
| CN204757368U (en) | Air can water heater | |
| CN213020485U (en) | Cooling system under special temperature control condition | |
| CN114719326B (en) | Distributed solar energy-concentrated methane coupling heat supply system and method | |
| CN101561183A (en) | System for intelligently controlling water supply of water heater of heat pump | |
| CN204661384U (en) | Biological sewage treatment device |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.38 Anjiang Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang yingdesai semiconductor materials Co.,Ltd. Address before: No.38 Anjiang Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Applicant before: HAINING INDUSAIR ELECTRONICS Co.,Ltd. |
|
| GR01 | Patent grant |