CN215249687U - Energy-saving low-pressure deoxidization system - Google Patents
Energy-saving low-pressure deoxidization system Download PDFInfo
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- CN215249687U CN215249687U CN202120661645.5U CN202120661645U CN215249687U CN 215249687 U CN215249687 U CN 215249687U CN 202120661645 U CN202120661645 U CN 202120661645U CN 215249687 U CN215249687 U CN 215249687U
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Abstract
The utility model discloses an energy-saving low-pressure deoxidization system, including the low pressure oxygen-eliminating device, be provided with water inlet, delivery port and heating steam port on the low pressure oxygen-eliminating device, still include the heat exchanger, be provided with first import, second import, first export and second export on the heat exchanger, still be provided with the cavity in the heat exchanger, the cavity is linked together with first import and first export respectively, is fixed with the heat exchange tube that is used for communicating second import and second export in the cavity, and first import is linked together with demineralized water supply unit, and first export is linked together with the inlet tube on the low pressure oxygen-eliminating device, and the second import still is linked together with the export of lubricating oil output unit, and the second export still is linked together with the holding vessel; has the advantages of obvious energy-saving and consumption-reducing effects.
Description
Technical Field
The utility model relates to a deoxidization system especially relates to an energy-saving low pressure deoxidization system.
Background
The low pressure oxygen-eliminating device is one of the indispensable operation equipment in the chemical production, and the primary function is to carry out the deoxidization to the make-up water and handle, if the make-up water contains oxygen, will make water supply pipe, chemical industry equipment through-flow part suffer the corruption, shorten equipment life.
Usually, demineralized water is adopted as make-up water, but the temperature of the inlet water of the mixed bed cannot be higher than 50 degrees, so the temperature of the outlet water of the demineralized water is not high, the most common production technology of the low-pressure deaerator is thermal deaerating, and a large amount of low-pressure steam is consumed when the demineralized water with lower temperature is heated to 104 degrees in the low-pressure deaerator. In order to further improve the heat efficiency of the low-pressure deaerator and achieve the purposes of saving energy and reducing consumption, the improvement of the water inlet temperature of the demineralized water in the low-pressure deaerator is an important energy-saving way.
The method for heating up the demineralized water is many, the recovered high-temperature condensed water is used for heat exchange with the high-temperature condensed water, the most common method is provided, the waste heat in the condensed water return water is often utilized in the aspects of producing steam by a lithium bromide unit, reducing air conditioning water, improving domestic hot water and the like, the recycling temperature is not high, therefore, a new heat source needs to be found for heating up the demineralized water, in the chemical production, the extraction temperature of many products is higher, and the temperature needs to be reduced during storage, so that the existing production line is improved, the heating up of the demineralized water is effectively combined with the cooling down of other products, the effects of saving energy and reducing consumption are further improved, and the technical problem to be solved by technical personnel in the field is urgently needed.
Disclosure of Invention
In order to solve the defects existing in the prior art, the utility model provides an energy-saving low-voltage deoxidizing system with obvious energy-saving and consumption-reducing effects.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an energy-saving low pressure deoxidization system, includes the low pressure oxygen-eliminating device, the low pressure oxygen-eliminating device on be provided with water inlet, delivery port and heating steam port, still include the heat exchanger, the heat exchanger on be provided with first import, second import, first export and second export, still be provided with the cavity in the heat exchanger, the cavity respectively with first import with first export be linked together, the cavity internal fixation be used for the intercommunication the second import with the heat exchange tube of second export, first import be linked together with demineralized water supply unit, first export with the low pressure oxygen-eliminating device on the inlet tube be linked together, the second import still be linked together with the export of lubricating oil output unit, the second export still be linked together with the holding vessel.
A first valve is arranged between the first inlet and the demineralized water supply unit, and a second valve is arranged between the first outlet and the low-pressure deaerator. In the structure, the first valve is used for controlling the flow between the demineralized water supply unit and the first inlet, and the second valve is used for controlling the flow between the low-pressure deaerator and the first outlet, so that the safe and stable operation of the whole system is realized.
A first centrifugal pump is arranged between the first valve and the demineralized water supply unit. In the structure, the first centrifugal pump is simple in transmission structure and easy to install, and can stably send the demineralized water produced by the demineralized water supply unit to the heat exchanger, wherein the rated flow of the first centrifugal pump is 30t/h, and the flow of one of the first centrifugal pump is controlled by the first valve and is 5t/h for supplying to the heat exchanger.
And a first backflow mechanism is arranged between the first outlet and the first inlet. In this structure, first return mechanism's setting is used for communicateing first export and first import to carry out the heat transfer once more with the unqualified demineralized water of temperature, in order to raise the temperature.
The first return mechanism comprises a first thermometer, a first return pipe and a third valve, wherein the first thermometer is used for detecting the temperature of the water discharged from the first outlet, the first return pipe is arranged between the first outlet and the second valve, the first return pipe is connected between the first inlet of the first outlet, the inlet of the first return pipe is arranged between the first thermometer and the second valve, and the third valve is arranged on the first return pipe. In this structure, first thermometer setting is between first export and second valve to this is used for detecting the temperature of heat exchanger heat transfer back demineralized water, in case detect the temperature and is not conform to the requirement, then closes the second valve, opens the third valve, makes demineralized water flow through the heat exchanger once more, carries out the heat transfer and handles, waits to reach the requirement after, then closes the third valve, opens the second valve, makes the demineralized water flow direction low pressure oxygen-eliminating device that the temperature is up to standard.
And a fourth valve is arranged between the second inlet and the lubricating oil output unit, and a fifth valve is arranged between the second outlet and the storage tank. In the structure, the fourth valve is used for controlling the flow between the lubricating oil output unit and the second inlet, and the fifth valve is used for controlling the flow between the storage tank and the second outlet, so that the safe and stable operation of the whole system is realized.
And a second centrifugal pump is arranged between the fourth valve and the lubricating oil output unit. In the structure, the transmission structure of the second centrifugal pump is simple and easy to install, the lubricating oil output by the lubricating oil output unit can be stably sent to the heat exchanger, the rated flow of the second centrifugal pump is 20t/h, the flow of one of the second centrifugal pump is controlled by the fourth valve to be 3t/h and is supplied to the heat exchanger, the flow of the second centrifugal pump is lower than that of the first centrifugal pump, so that the heat exchange is more sufficient,
and a second backflow mechanism is arranged between the second outlet and the second inlet. In this structure, the setting of second return mechanism is used for communicateing second export and second import to carry out the heat transfer once more with the unqualified lubricating oil of temperature, in order to reduce the temperature.
The second reflux mechanism comprises a second thermometer, a second reflux pipe and a sixth valve, wherein the second thermometer is used for detecting the temperature of the water discharged from the second outlet, the second reflux pipe is arranged between the second outlet and the fifth valve, the second reflux pipe is connected between the second inlet and the second outlet, the inlet of the second reflux pipe is arranged between the second thermometer and the fifth valve, and the sixth valve is arranged on the second reflux pipe. In this structure, the second thermometer setting is between second export and fifth valve to this temperature that is used for detecting lubricating oil after the heat exchanger heat transfer, in case detect the temperature and is not conform to the requirement, then close the fifth valve, open the sixth valve, make lubricating oil flow through the heat exchanger once more, carry out the heat transfer and handle, treat to reach the back of requiring, then close the sixth valve, open the fifth valve, make the lubricating oil flow direction holding vessel that the temperature is up to standard.
The heat exchange tubes are distributed and fixed in the cavity in a snake shape. Thereby prolonging the heat exchange time of the lubricating oil and the desalted water, and ensuring that the heat exchange between the lubricating oil and the desalted water is more sufficient.
Compared with the prior art, the utility model has the advantages of: the setting of heat exchanger is used for carrying out the heat exchange with lubricating oil and demineralized water, can preheat demineralized water on the one hand to reduce the energy consumption that low pressure oxygen-eliminating device produced the low pressure steam of oxygen-eliminating water, on the other hand reduces the energy consumption of cooling air cooler in the lubricating oil storage process, and this system carries out simple transformation to current production line, reaches energy-conserving purpose in order to do benefit to the most economic mode, solves the production of hot demineralized water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.
The first embodiment is as follows: as shown in the figure, an energy-saving low pressure deoxidization system, including low pressure oxygen-eliminating device 1, be provided with water inlet 11, delivery port 12 and heating steam port 13 on the low pressure oxygen-eliminating device 1, still include heat exchanger 2, be provided with first import 21, second import 22, first export 23 and second export 24 on the heat exchanger 2, still be provided with cavity 25 in the heat exchanger 2, cavity 25 is linked together with first import 21 and first export 23 respectively, and cavity 25 internal fixation has the heat exchange tube 26 that is used for communicateing second import 22 and second export 24, and first import 21 is linked together with demineralized water supply unit 3, and first export 23 is linked together with the inlet tube on the low pressure oxygen-eliminating device 1, and second import 22 still is linked together with the export of lubricating oil output unit 4, and second export 24 still is linked together with holding vessel 5.
Example two: as shown in the figure, the other structure is the same as the first embodiment, except that a first valve 61 is provided between the first inlet 21 and the demineralized water supply unit 3, and a second valve 62 is provided between the first outlet 23 and the low pressure deaerator 1. In this structure, the first valve 61 is used to control the flow between the demineralized water supply unit 3 and the first inlet 21, and the second valve 62 is used to control the flow between the low pressure deaerator 1 and the first outlet 23, thereby achieving safe and smooth operation of the whole system.
A first centrifugal pump 63 is provided between the first valve 61 and the demineralized water supply unit 3. In the structure, the first centrifugal pump 63 is simple in transmission structure and easy to install, and can stably send the demineralized water produced by the demineralized water supply unit to the heat exchanger, wherein the rated flow of the first centrifugal pump is 30t/h, and one of the first centrifugal pump is controlled by the first valve 61 to be 5t/h in flow rate and supplied to the heat exchanger. .
A first return mechanism 7 is arranged between the first outlet 23 and the first inlet 21. In this structure, the first return mechanism 7 is arranged to communicate the first outlet 23 and the first inlet 21, so as to exchange heat with the desalted water with unqualified temperature again, thereby increasing the temperature.
Example three: as shown, the other structure is the same as the embodiment, except that the first return mechanism 7 includes a first thermometer 71 for detecting the temperature of the water discharged from the first outlet 23, a first return pipe 72 and a third valve 73, the first thermometer 71 is disposed between the first outlet 23 and the second valve 62, the first return pipe 72 is connected between the first inlet 21 of the first outlet 23, the inlet of the first return pipe 72 is located between the first thermometer 71 and the second valve 62, and the third valve 73 is disposed on the first return pipe 72. In this structure, first thermometer 71 sets up between first export 23 and second valve 62 to this temperature that is used for detecting through heat exchanger 2 heat transfer back demineralized water, in case detect the temperature and do not conform to the requirements, then close second valve 62, open third valve 73, make demineralized water flow through heat exchanger 2 once more, carry out heat transfer treatment, after waiting to reach the requirement, then close third valve 73, open second valve 62, make the up-to-standard demineralized water flow direction low pressure oxygen-eliminating device 1 of temperature.
A fourth valve 81 is provided between the second inlet 22 and the lube oil production unit 4, and a fifth valve 82 is provided between the second outlet 24 and the storage tank 5. In this configuration, the fourth valve 81 is used to control the flow rate between the lube oil output unit 4 and the second inlet 22, and the fifth valve 82 is used to control the flow rate between the storage tank 5 and the second outlet 24, thereby achieving safe and smooth operation of the entire system.
A second centrifugal pump 83 is provided between the fourth valve 81 and the lubricating oil producing unit 4. In the structure, the second centrifugal pump 83 has simple transmission structure and easy installation, and can stably send the lubricating oil output by the lubricating oil output unit to the heat exchanger, the rated flow of the second centrifugal pump 83 is 20t/h, one route is controlled by the fourth valve to control the flow to be 3t/h for supplying to the heat exchanger, the flow of the second centrifugal pump is lower than that of the first centrifugal pump, so that the heat exchange is more sufficient,
a second backflow mechanism 9 is arranged between the second outlet 24 and the second inlet 22. In this structure, the second backflow mechanism 9 is configured to communicate the second outlet 24 and the second inlet 22, so as to exchange heat with the lubricant oil with an unqualified temperature again, thereby reducing the temperature.
The second return mechanism 9 comprises a second thermometer 91 for detecting the temperature of the water discharged from the second outlet 24, a second return pipe 92 and a sixth valve 93, the second thermometer 91 is arranged between the second outlet 24 and the fifth valve 82, the second return pipe 92 is connected between the second outlet 24 and the second inlet 22, the inlet of the second return pipe 92 is arranged between the second thermometer 91 and the fifth valve 82, and the sixth valve 93 is arranged on the second return pipe 92. In this structure, the second thermometer 91 is disposed between the second outlet 24 and the fifth valve 82, so as to detect the temperature of the lubricating oil after heat exchange in the heat exchanger 2, and once the temperature is detected to be not satisfactory, the fifth valve 82 is closed, the sixth valve 93 is opened, so that the lubricating oil flows through the heat exchanger 2 again, heat exchange treatment is performed, and after the temperature reaches the requirement, the sixth valve 93 is closed, the fifth valve 82 is opened, so that the lubricating oil with the temperature up to the standard flows to the storage tank 5.
The heat exchange tubes 26 are distributed and fixed in the cavity 25 in a serpentine shape. Thereby prolonging the heat exchange time of the lubricating oil and the desalted water, and ensuring that the heat exchange between the lubricating oil and the desalted water is more sufficient.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the present invention can also be modified in materials and structures, or replaced by technical equivalents. Therefore, all structural equivalents which may be made by applying the present invention to the specification and drawings, or by applying them directly or indirectly to other related technical fields, are intended to be encompassed by the present invention.
Claims (10)
1. The utility model provides an energy-saving low pressure deoxidization system, includes the low pressure oxygen-eliminating device, the low pressure oxygen-eliminating device on be provided with water inlet, delivery port and heating steam port, its characterized in that: still include the heat exchanger, the heat exchanger on be provided with first import, second import, first export and second export, still be provided with the cavity in the heat exchanger, the cavity respectively with first import with first export be linked together, the cavity internal fixation be used for the intercommunication the second import with the heat exchange tube of second export, first import and demineralized water supply unit be linked together, first export with the low pressure oxygen-eliminating device on the inlet tube be linked together, the second import still be linked together with the export of lubricating oil output unit, the second export still be linked together with the holding vessel.
2. The energy efficient low pressure oxygen scavenging system of claim 1 wherein: a first valve is arranged between the first inlet and the demineralized water supply unit, and a second valve is arranged between the first outlet and the low-pressure deaerator.
3. The energy efficient low pressure oxygen scavenging system of claim 2 wherein: a first centrifugal pump is arranged between the first valve and the demineralized water supply unit.
4. The energy efficient low pressure oxygen scavenging system of claim 2 wherein: and a first backflow mechanism is arranged between the first outlet and the first inlet.
5. The energy efficient low pressure oxygen scavenging system of claim 4 wherein: the first return mechanism comprises a first thermometer, a first return pipe and a third valve, wherein the first thermometer is used for detecting the temperature of the water discharged from the first outlet, the first return pipe is arranged between the first outlet and the second valve, the first return pipe is connected between the first inlet of the first outlet, the inlet of the first return pipe is arranged between the first thermometer and the second valve, and the third valve is arranged on the first return pipe.
6. The energy efficient low pressure oxygen scavenging system of claim 1 wherein: and a fourth valve is arranged between the second inlet and the lubricating oil output unit, and a fifth valve is arranged between the second outlet and the storage tank.
7. The energy efficient low pressure oxygen scavenging system of claim 6, wherein: and a second centrifugal pump is arranged between the fourth valve and the lubricating oil output unit.
8. The energy efficient low pressure oxygen scavenging system of claim 6, wherein: and a second backflow mechanism is arranged between the second outlet and the second inlet.
9. The energy efficient low pressure oxygen scavenging system of claim 8 wherein: the second reflux mechanism comprises a second thermometer, a second reflux pipe and a sixth valve, wherein the second thermometer is used for detecting the temperature of the water discharged from the second outlet, the second reflux pipe is arranged between the second outlet and the fifth valve, the second reflux pipe is connected between the second inlet and the second outlet, the inlet of the second reflux pipe is arranged between the second thermometer and the fifth valve, and the sixth valve is arranged on the second reflux pipe.
10. The energy efficient low pressure oxygen scavenging system of claim 1 wherein: the heat exchange tubes are distributed and fixed in the cavity in a snake shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661645.5U CN215249687U (en) | 2021-03-31 | 2021-03-31 | Energy-saving low-pressure deoxidization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661645.5U CN215249687U (en) | 2021-03-31 | 2021-03-31 | Energy-saving low-pressure deoxidization system |
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| Publication Number | Publication Date |
|---|---|
| CN215249687U true CN215249687U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120661645.5U Active CN215249687U (en) | 2021-03-31 | 2021-03-31 | Energy-saving low-pressure deoxidization system |
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| CN (1) | CN215249687U (en) |
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2021
- 2021-03-31 CN CN202120661645.5U patent/CN215249687U/en active Active
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