CN210419329U - Energy-saving boiler room softened water negative pressure deoxidization system - Google Patents
Energy-saving boiler room softened water negative pressure deoxidization system Download PDFInfo
- Publication number
- CN210419329U CN210419329U CN201921101290.3U CN201921101290U CN210419329U CN 210419329 U CN210419329 U CN 210419329U CN 201921101290 U CN201921101290 U CN 201921101290U CN 210419329 U CN210419329 U CN 210419329U
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- Prior art keywords
- oxygen
- water
- energy
- negative pressure
- boiler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000001301 oxygen Substances 0.000 claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- 239000002918 waste heat Substances 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003546 flue gas Substances 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims description 17
- 238000006392 deoxygenation reaction Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008233 hard water Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Abstract
The utility model discloses an energy-conserving boiler room demineralized water negative pressure deoxidization system, including oxygen-eliminating device equipment, fixed mounting has pressure sensor and second temperature-sensing ware on the oxygen-eliminating device equipment, the output fixedly connected with delivery conduit of oxygen-eliminating device equipment, delivery conduit and boiler input end fixed connection, fixed first solenoid valve and the first oxygen detector of being equipped with on the delivery conduit. The utility model discloses the height that utilizes the temperature is to the oxygen content of aquatic play decisive action, so through preheating to the storage water tank, the demineralized water temperature of having guaranteed to carry oxygen-eliminating device equipment at every turn is certain, the oxygen content of demineralized water of having also guaranteed to carry at every turn is about in the unanimity, reduce the regulation to oxygen-eliminating device equipment, effectual improvement work efficiency, it is solar energy that preheats to preheat that preheating simultaneously adopts, boiler waste heat preheats and the boiler produces the flue gas waste heat preheats, the recycling of the energy has been realized.
Description
Technical Field
The utility model relates to a deoxidization equipment technical field specifically is an energy-conserving boiler room demineralized water negative pressure deoxidization system.
Background
The content of calcium and magnesium ions in water is usually expressed by the index "hardness". Hardness 1 degree corresponds to 10 mg of calcium oxide per liter of water. Water with a temperature lower than 8 ℃ is called soft water, water with a temperature higher than 17 ℃ is called hard water, and water with a temperature between 8 and 17 ℃ is called medium hard water. Rain, snow water, river and lake water are soft water, and spring water, deep well water and sea water are hard water.
In order to meet the national requirements, the factory generally drains water from rivers or collects rainwater for utilization, the oxygen content in the softened water can be different due to other factors outside, so that the temperature or the water quality of the water is different, thereby leading to different oxygen contents in the water, in the process of deoxygenation, in order to ensure the deoxygenation effect, the softened water entering the deoxygenator is conveyed each time, the deoxygenator equipment needs to be adjusted, the use is very inconvenient, meanwhile, the prior factory generally only adopts the deoxygenator equipment for deoxygenation, but in the operation process, the oxygen content in the water is large, the corrosion phenomenon of the conveying pipeline or the boiler can be caused, thereby leading to abnormal use of the equipment, the deoxygenator equipment directly deoxygenates the softened water, the softened water also needs to be heated by steam, the effective deoxygenation can be carried out, thereby leading to the temperature rise by using a large amount of steam, resulting in waste of energy. Therefore, the system is improved, and the softened water negative pressure oxygen removal system for the energy-saving boiler room is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides an energy-saving boiler room softened water negative pressure deoxidization system.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an energy-saving boiler room softened water negative pressure deoxidization system, which comprises a deaerator device, wherein a pressure sensor and a second temperature sensor are fixedly arranged on the deaerator device, the output end of the deaerator device is fixedly connected with an output conduit, the output conduit is fixedly connected with the input end of a boiler, a first electromagnetic valve and a first oxygen-containing detector are fixedly arranged on the output conduit, the output conduit is fixedly connected with the input end of a first circulating water pump through a branch pipe, the output end of the first circulating water pump is fixedly connected with the deaerator device, a second electromagnetic valve is fixedly arranged on the branch pipe, a steam output end and a flue gas discharge pipe are fixedly arranged on the boiler, a waste heat recovery device is fixedly arranged on the boiler, a flue gas waste heat recovery device is fixedly arranged on the flue gas discharge pipe, the input end of the deaerator device is fixedly, the device comprises an input guide pipe, a water storage tank, a waste heat recovery device and a flue gas waste heat recovery device, and is characterized in that a third electromagnetic valve and a second oxygen-containing detector are fixedly arranged on the input guide pipe, the input guide pipe is fixedly connected with the output end of the water storage tank, a solar preheating device and a first temperature sensor are fixedly mounted on the water storage tank, and the waste heat recovery device is fixedly connected with the output end of the flue gas waste heat.
As the utility model discloses a preferred technical scheme, fixed mounting has the water jet pump on the oxygen-eliminating device equipment, water jet pump and second circulating water pump output end fixed connection, second circulating water pump input and oxygen-eliminating device equipment fixed connection.
As the utility model discloses a preferred technical scheme, first oxygen-containing detector sets up in being close to oxygen-eliminating device equipment output one side, first solenoid valve sets up in being close to boiler input one side, the branch pipe sets up between first oxygen-containing detector and first solenoid valve.
As an optimized technical scheme of the utility model, output pipe and branch pipe adopt sealed pipeline.
As an optimal technical scheme of the utility model, storage water tank input and demineralized water inlet tube fixed connection.
As an optimized technical scheme of the utility model, the fixed heat preservation that is equipped with on the input pipe outer wall.
As a preferred technical scheme of the utility model, first oxygen containing detector, second oxygen containing detector, first temperature-sensing ware, water jet pump and central controller feedback electric connection, first solenoid valve, second solenoid valve and third solenoid valve and central controller control electric connection.
The utility model has the advantages that: the energy-saving boiler room softened water negative pressure deoxygenation system has the advantages that the oxygen content in water is determined by utilizing the temperature, so that the softened water conveyed to the deoxygenator device at each time is ensured to have a certain temperature by preheating the water storage tank, namely the oxygen content of the softened water conveyed at each time is ensured to be approximately consistent, the adjustment to the deoxygenator device is reduced, the working efficiency is effectively improved, meanwhile, the preheating adopts solar energy preheating, boiler waste heat preheating and boiler smoke waste heat preheating, realizes the reutilization of energy, and a water spraying pump which takes softened water as a working medium is arranged on the deaerator equipment to reduce the internal pressure of the deaerator equipment, thereby make the demineralized water boiling point of oxygen-eliminating device equipment reduce, can reduce the required steam volume that oxygen-eliminating device equipment heaied up like this, can effectual saving a large amount of energy like this.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a softened water negative pressure deoxygenation system for an energy-saving boiler room of the present invention;
FIG. 2 is a schematic control diagram of the softened water negative pressure oxygen removal system of the energy-saving boiler room.
In the figure: 1. a deaerator device; 2. an output conduit; 3. a boiler; 4. a first solenoid valve; 5. a first oxygen content detector; 6. a second solenoid valve; 7. a first circulating water pump; 8. an input conduit; 9. a water storage tank; 10. a third electromagnetic valve; 11. a second oxygen content detector; 12. a first temperature sensor; 13. a solar preheating device; 14. a water jet pump; 15. a second circulating water pump; 16. a pressure sensor; 17. a second temperature sensor; 18. a waste heat recovery device; 19. flue gas waste heat recovery device.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in FIG. 1 and FIG. 2, the utility model relates to an energy-saving boiler room softened water negative pressure deoxygenation system, which comprises a deoxygenator device 1, wherein a pressure sensor 16 and a second temperature sensor 17 are fixedly installed on the deoxygenator device 1, an output end of the deoxygenator device 1 is fixedly connected with an output conduit 2, the output conduit 2 is fixedly connected with an input end of a boiler 3, a first electromagnetic valve 4 and a first oxygen-containing detector 5 are fixedly arranged on the output conduit 2, the output conduit 2 is fixedly connected with an input end of a first circulating water pump 7 through a branch pipe, an output end of the first circulating water pump 7 is fixedly connected with the deoxygenator device 1, a second electromagnetic valve 6 is fixedly installed on the branch pipe, a steam output end and a flue gas discharge pipe are fixed on the boiler 3, a waste heat recovery device 18 is fixedly installed on the boiler 3, a flue gas waste heat recovery device 19 is fixedly installed on the flue gas discharge pipe, the input guide pipe 8 is fixedly provided with a third electromagnetic valve 10 and a second oxygen-containing detector 11, the input guide pipe 8 is fixedly connected with the output end of a water storage tank 9, the water storage tank 9 is fixedly provided with a solar preheating device 13 and a first temperature sensor 12, and an output end water storage tank 9 of a waste heat recovery device 18 and a flue gas waste heat recovery device 19 is fixedly connected with each other, the softened water negative pressure deoxygenation system of the energy-saving boiler room has the advantages that the oxygen content in water is determined by utilizing the temperature, so that the softened water conveyed to the deaerator device 1 at each time is ensured to be constant by preheating the water storage tank 9, namely, the oxygen content of the softened water conveyed at each time is ensured to be approximately consistent, the regulation on the deaerator device 1 is reduced, the working efficiency is effectively improved, and simultaneously, the preheating adopts solar energy preheating, the preheating of the boiler waste heat and the, realizes the reutilization of energy.
Wherein, fixed mounting has water jet pump 14 on the oxygen-eliminating device equipment 1, water jet pump 14 and 15 output end fixed connection of second circulating water pump, 15 input and 1 fixed connection of oxygen-eliminating device equipment of second circulating water pump, the water jet pump 14 that uses demineralized water as working medium is installed on oxygen-eliminating device equipment 1, make 1 internal pressure of oxygen-eliminating device equipment reduce, thereby make the demineralized water boiling point of oxygen-eliminating device equipment 1 reduce, can reduce the required steam volume that oxygen-eliminating device equipment 1 heaies up like this, can effectual saving a large amount of energy like this.
Wherein, first oxygen detector 5 sets up in being close to 1 output side of oxygen-eliminating device equipment, and first solenoid valve 4 sets up in being close to 3 input sides of boiler, and the branch pipe setting has realized output pipe 2 flow direction control between first oxygen detector 5 and first solenoid valve 4, has guaranteed the effect of deoxidization.
Wherein, output pipe 2 and branch pipe adopt sealed pipeline, and oxygen-eliminating device 1 is in the encapsulated situation to boiler 3 always, has guaranteed that the water that output pipe 2 carried both is the reduction of temperature, can not influence the deoxidization effect of heating power oxygen-eliminating device equipment 1 yet.
Wherein, the input end of the water storage tank 9 is fixedly connected with the softened water inlet pipe to provide water source.
Wherein, the outer wall of the input conduit 8 is fixedly provided with a heat preservation layer, which ensures that the temperature of the softened water in the input conduit 8 can not be reduced.
The first oxygen-containing detector 5, the second oxygen-containing detector 11, the first temperature sensor 12, the water injection pump 14 are electrically connected with the central controller in a feedback mode, and the first electromagnetic valve 4, the second electromagnetic valve 6 and the third electromagnetic valve 10 are electrically connected with the central controller in a control mode, so that automatic control is achieved, and efficient operation of equipment is guaranteed.
The working principle is as follows:
the softened water inlet pipe conveys softened water to enter the water storage tank 9, the solar preheating device 13, the waste heat recovery device 18 and the flue gas waste heat recovery device 19 input heat to the water storage tank 9 for preheating, after a plurality of data tests, the softened water is preheated to 45-50 ℃, namely the temperature of the water storage tank 9 is monitored by the first temperature sensor 12 to reach a set value and is fed back to the central controller, then the central controller controls the third electromagnetic valve 10 to be opened, so that the preheated softened water enters the deaerator device 1 through the input conduit 8, the second oxygen-containing detector 11 on the input conduit 8 can feed back oxygen content data to the central controller in real time, the central controller can control the water injection pump 14 to reasonably reduce the pressure in the deaerator device 1 according to the oxygen content, the internal pressure of the deaerator device 1 is reduced, under low pressure environment, the boiling point of water reduces, can reduce the steam volume that deaerator equipment 1 heating needs, and pressure sensor 16 and second temperature-sensing ware 17 can real-time control deaerator equipment 1 simultaneously, guarantee its normal operating.
After a period of deoxygenation treatment is carried out in the deaerator device 1, the treated softened water is conveyed into the boiler 3 through the output conduit 2, but at the moment, the softened water in the output conduit 2 is monitored by the first oxygen-containing detector 5 and fed back to the central controller, if the oxygen content monitored by the first oxygen-containing detector 5 does not meet the requirement, the central controller controls to open the second electromagnetic valve 6, close the first electromagnetic valve 4, convey the softened water into the deaerator device 1 through the branch pipes by using the first circulating water pump 7 for secondary treatment, and when the oxygen content monitored by the first oxygen-containing detector 5 meets the requirement, the central controller controls to close the second electromagnetic valve 6, open the first electromagnetic valve 4, so that the treated softened water reaching the standard is conveyed into the boiler 3, the normal operation of the boiler 3 is ensured, the boiler 3 is heated to raise the temperature, and the softened water is heated to become steam, and then is transmitted to other needed equipment through a steam output end.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an energy-conserving boiler room demineralized water negative pressure deoxidization system, includes oxygen-eliminating device equipment (1), its characterized in that, fixed mounting has pressure sensor (16) and second temperature-sensing ware (17) on oxygen-eliminating device equipment (1), the output fixedly connected with delivery conduit (2) of oxygen-eliminating device equipment (1), delivery conduit (2) and boiler (3) input end fixed connection, fixed being equipped with first solenoid valve (4) and first oxygen detector (5) on delivery conduit (2), through branch pipe and first circulating water pump (7) input end fixed connection on delivery conduit (2), first circulating water pump (7) output and oxygen-eliminating device equipment (1) fixed connection, fixed mounting has second solenoid valve (6) on the branch pipe, be fixed with steam output end and flue gas discharge pipe on boiler (3), fixed mounting has waste heat recovery device (18) on boiler (3), fixed mounting has flue gas waste heat recovery device (19) on the flue gas delivery pipe, the input fixedly connected with input pipe (8) of oxygen-eliminating device equipment (1), fixed third solenoid valve (10) and second oxygen-containing detector (11) of being equipped with on input pipe (8), input pipe (8) and storage water tank (9) output fixed connection, fixed mounting has solar energy preheating device (13) and first temperature-sensing ware (12) on storage water tank (9), output storage water tank (9) fixed connection of waste heat recovery device (18) and flue gas waste heat recovery device (19).
2. The energy-saving boiler room softened water negative pressure oxygen removal system according to claim 1, characterized in that a water injection pump (14) is fixedly installed on the oxygen remover device (1), the water injection pump (14) is fixedly connected with the output end of a second water circulation pump (15), and the input end of the second water circulation pump (15) is fixedly connected with the oxygen remover device (1).
3. The energy-saving boiler room softened water negative pressure oxygen removal system as claimed in claim 1, characterized in that the first oxygen-containing detector (5) is arranged at one side close to the output end of the oxygen remover device (1), the first electromagnetic valve (4) is arranged at one side close to the input end of the boiler (3), and the branch pipe is arranged between the first oxygen-containing detector (5) and the first electromagnetic valve (4).
4. The negative pressure deoxygenation system for softened water in an energy-saving boiler room is characterized in that the output conduit (2) and the branch pipes adopt sealed pipelines.
5. The energy-saving boiler room softened water negative pressure oxygen removal system according to claim 1, characterized in that the input end of the water storage tank (9) is fixedly connected with a softened water inlet pipe.
6. The energy-saving boiler room softened water negative pressure oxygen removal system as claimed in claim 1, characterized in that an insulating layer is fixedly arranged on the outer wall of the input conduit (8).
7. The energy-saving boiler room softened water negative pressure oxygen removal system according to claim 1, characterized in that the first oxygen-containing detector (5), the second oxygen-containing detector (11), the first temperature sensor (12), the water injection pump (14) are electrically connected with the central controller in a feedback manner, and the first solenoid valve (4), the second solenoid valve (6) and the third solenoid valve (10) are electrically connected with the central controller in a control manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101290.3U CN210419329U (en) | 2019-07-15 | 2019-07-15 | Energy-saving boiler room softened water negative pressure deoxidization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101290.3U CN210419329U (en) | 2019-07-15 | 2019-07-15 | Energy-saving boiler room softened water negative pressure deoxidization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210419329U true CN210419329U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921101290.3U Expired - Fee Related CN210419329U (en) | 2019-07-15 | 2019-07-15 | Energy-saving boiler room softened water negative pressure deoxidization system |
Country Status (1)
| Country | Link |
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| CN (1) | CN210419329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118565225A (en) * | 2024-07-30 | 2024-08-30 | 山西绿源碳索科技有限公司 | Flue gas waste heat recovery system and method of energy-saving heating furnace |
-
2019
- 2019-07-15 CN CN201921101290.3U patent/CN210419329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118565225A (en) * | 2024-07-30 | 2024-08-30 | 山西绿源碳索科技有限公司 | Flue gas waste heat recovery system and method of energy-saving heating furnace |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |