CN218096019U - Oxygen supply device for combustion boiler - Google Patents
Oxygen supply device for combustion boiler Download PDFInfo
- Publication number
- CN218096019U CN218096019U CN202222465904.4U CN202222465904U CN218096019U CN 218096019 U CN218096019 U CN 218096019U CN 202222465904 U CN202222465904 U CN 202222465904U CN 218096019 U CN218096019 U CN 218096019U
- Authority
- CN
- China
- Prior art keywords
- air
- oxygen
- filter
- enriched
- oxygen content
- 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
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a burning boiler oxygen suppliment device relates to boiler oxygen suppliment technical field, and its technical scheme main points are: comprises an oxygen-enriched membrane mechanism for separating nitrogen in air to form oxygen-enriched air; the transition box is connected with the oxygen-enriched membrane mechanism and is used for receiving oxygen-enriched air; the transition box is provided with an oxygen detector for detecting oxygen content and an inflation inlet for supplementing air; a control valve is arranged on the inflation inlet; the controller is connected with the detector and the control valve and is provided with a combustible maximum oxygen content threshold value; when the controller receives that the oxygen content value fed back by the oxygen detector exceeds the oxygen content threshold value, the controller opens the control valve until the oxygen content is reduced to be lower than the oxygen content threshold value and then closes the control valve. The utility model discloses can provide the oxygen boosting air, reduce cost to the oxygen content of aassessment oxygen boosting air, and then carry the oxygen boosting air to use in the boiler safely, have the effect that improves the safety in utilization.
Description
Technical Field
The utility model relates to a boiler oxygen suppliment technical field, more specifically say, it relates to a combustion boiler oxygen suppliment device.
Background
The use of boilers for combustion is one of the devices involved in various production fields, and oxygen-enriched air is often used for combustion operation in order to fully combust in the boilers, so that oxygen is generated by using oxygen generation equipment to supply oxygen to the boilers. Current oxygen suppliment device takes the oxygenerator to come the oxygen suppliment, and not only the energy consumption is high but also with high costs to oxygen that the system oxygen was carried is not appraised and is directly sent into the boiler, not only probably carries impurity, probably lets in the oxygen of too high concentration moreover, makes the boiler combustion have the risk of exploding the stove from this, has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a combustion boiler apparatus of oxygen supply can provide the oxygen-enriched air, reduce cost to the oxygen content of aassessment oxygen-enriched air, and then safe to carry the oxygen-enriched air to use in the boiler, have the effect that improves the safety in utilization.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an oxygen supply device for a combustion boiler comprises an oxygen-enriched membrane mechanism, a transition box and a controller;
an oxygen-enriched membrane mechanism comprising a membrane air separator for separating nitrogen from air to form oxygen-enriched air;
a transition box connected to the membrane air separator for receiving oxygen-enriched air; the transition box is provided with an oxygen detector for detecting oxygen content and an inflation inlet for supplementing air; a control valve is arranged on the inflation inlet;
the controller is connected with the detector and the control valve and is provided with a combustible maximum oxygen content threshold;
when the controller receives that the oxygen content value fed back by the oxygen detector exceeds the oxygen content threshold value, the controller opens the control valve until the oxygen content value is reduced to be lower than the oxygen content threshold value, and then closes the control valve.
Further setting: the oxygen-enriched membrane mechanism comprises an air compressor and a filter; the air compressor is used for compressing air so as to send the air into the filter to filter impurities; the air inlet end of the filter is connected with the air outlet end of the air compressor, so that impurities in the air can be filtered; the air outlet end of the filter is connected with the air inlet end of the membrane air separation member.
Further setting: the air outlet end of the filter is connected with the air inlet end of the membrane air separation part through an air supply pipe; the air supply pipe is connected with an air transmission branch pipe; one end of the air conveying branch pipe, which is far away from the air conveying pipe, is connected to the inflating port so as to supplement air to the transition box.
Further setting: the filter comprises a plurality of filtering layers which are connected in sequence so as to form multi-stage filtration.
Further setting: and a cooler for cooling the compressed air is arranged between the air compressor and the filter.
Further setting: an oil-water separator for filtering and separating oil and water in the air is arranged between the cooler and the filter.
Further setting: the air outlet end of the air compressor is provided with a pressure gauge for detecting the pressure of compressed air, and an air outlet valve is arranged in the air outlet conveying direction of the air compressor; the pressure gauge and the gas outlet valve are both connected to the controller; and the controller opens the air outlet valve to supply air when the feedback pressure value of the pressure gauge is greater than a set value.
Further setting: the transition box is provided with a circulating port; the circulating port is connected to the membrane air separation part through a circulating pipe and is provided with an air delivery valve for controlling the on-off of the membrane air separation part so as to form circulating separation.
Through adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:
1. the membrane air separation part is used for separating nitrogen in air, so that the nitrogen can be recovered for use, oxygen-enriched air is formed and then sent into the transition box, the transition box is used for conveying the oxygen-enriched air into the boiler for oxygen-enriched combustion after transition, the manufacturing cost of oxygen is reduced, a large amount of nitrogen can be recovered for use in other fields, and the membrane air separation part has the effects of reducing energy consumption and cost;
2. the oxygen-enriched air after nitrogen separation through the oxygen-enriched membrane mechanism is received by the transition box, so that the oxygen-enriched air is collected and transited in the transition box, the oxygen content is detected by the oxygen detector, the control valve is regulated and controlled by the controller according to a detection result, when the controller receives an oxygen content value fed back by the oxygen detector and exceeds an oxygen content threshold value, the control valve is opened until the oxygen content value is reduced to be lower than the oxygen content threshold value, and then the control valve is closed, so that the oxygen-enriched air which is safely combusted is conveyed to the boiler, and the use safety is improved;
3. the air compressor is matched with the filter, so that air can be compressed to provide power for air transmission, dust impurities are filtered out by the air through the filter, the air enters the membrane air separation piece more cleanly to separate nitrogen, the nitrogen can be recovered, oxygen-enriched air is generated for use, the separation effect is improved, and the separated oxygen-enriched air has no impurities and is favorable for being sent into a boiler to be safely combusted;
4. the gas transmission branch pipe through setting up connects the air feed pipe, can be when the transition case need supply the air to reduce oxygen content, open the control valve, utilize the gas transmission branch pipe to carry the air for the transition case gas filling port to utilize through filterable air to adjust the inside oxygen content of transition case, guarantee the interior gaseous purity of transition case, avoid having impurity, and then improve boiler oxygen-enriched combustion's security.
Drawings
FIG. 1 is a schematic structural view of an oxygen supply apparatus for a combustion boiler according to the present invention;
fig. 2 is a schematic diagram of the connection relationship between the oxygen supply device of the combustion boiler and each valve, including the oxygen detector, the pressure gauge, and the controller.
In the figure: 1. an oxygen-enriched membrane mechanism; 11. a membrane air separation element; 12. an air compressor; 13. a cooling machine; 14. An oil-water separator; 15. a filter; 151. a filter layer; 2. a transition box; 21. an oxygen detector; 22. An inflation inlet; 221. a control valve; 23. a circulation port; 3. a controller; 4. an air feed pipe; 5. gas transmission branch pipes; 6. a pressure gauge; 7. an air outlet valve; 8. a circulation pipe; 9. a gas delivery valve; 10. a boiler.
Detailed Description
The oxygen supply apparatus for a combustion boiler 10 will be further described with reference to fig. 1 and 2.
An oxygen supply device for a combustion boiler, as shown in fig. 1 and fig. 2, is used for supplying oxygen-enriched gas to the combustion of an oxygen-enriched boiler 10, and can be safely used to prevent the explosion of the boiler, and comprises an oxygen-enriched membrane mechanism 1, a transition box 2 and a controller 3; the oxygen-enriched membrane mechanism 1 is used for separating nitrogen in air to form oxygen-enriched air and sending the oxygen-enriched air into the transition box 2, and the air inlet end and the air outlet end of the transition box 2 are respectively arranged at the bottom and the top of the transition box 2 and are respectively connected to the oxygen-enriched membrane mechanism 1 and the boiler 10, so that the oxygen-enriched air is received and conveyed into the boiler 10 for use, oxygen-enriched combustion of the boiler 10 is ensured, and the combustion sufficiency is improved.
As shown in fig. 1, the oxygen-enriched membrane mechanism 1 includes an air compressor 12, a cooler 13, an oil-water separator 14, a filter 15, and a membrane-air separator 11, which are connected in sequence; the air compressor 12 is used for compressing and conveying air, so that the air can conveniently enter the filtering efficiency of the filter 15, heat can be brought in the process that the air compressor 12 compresses the air, the air temperature is high, the compressed air is cooled through the cooler 13 in the conveying process, and the subsequent filtering and the combustion in the boiler 10 after oxygen-enriched air is formed are facilitated. The oil-water separator 14 is used for filtering and separating oil and water in the air, so that the air entering the filter 15 is free of water and oil, and the purity of the filtered air is improved; the air outlet end of the filter 15 is connected with the air inlet end of the membrane air separation part 11 through the air feed pipe 4, so that the filtered air is fed into the membrane air separation part 11 for separation treatment; the membrane air separating piece 11 is used for separating nitrogen in air to form oxygen-enriched air, a nitrogen outlet of the membrane air separating piece is recycled to a nitrogen tank through a nitrogen pipe for storage, and the oxygen-enriched air is conveyed to the transition box 2 through an oxygen-enriched air pipe for storage. In this embodiment, the air compressor 12 is an air compressor, and is a device capable of compressing air, so as to increase air pressure and facilitate subsequent filtering; the cooler 13 can adopt an air cooler 13 or a water cooler 13, when the air cooler 13 is adopted, the air after compression is cooled by utilizing the action of ambient air as a cooling medium, the compressed air can be gradually recovered to the temperature close to the ambient air, and then in the subsequent filtering and storage use process, the temperature of the oxygen-enriched air is gradually consistent with the ambient air temperature, so that the ambient temperature of the operation is prevented from rising, and the storage stability of the transition box 2 is ensured. Wherein, membrane air separation spare 11 adopts nitrogen separation's membrane air separation equipment, and then says that nitrogen gas retrieves from the air for remaining air forms the oxygen-enriched air and burns and use, not only can retrieve nitrogen gas and preserve, utilizes the oxygen-enriched air that the nitrogen gas recovery process directly formed to burn moreover and uses, need not extra oxygen making equipment, and the oxygen-enriched air forms the process high efficiency convenient, and the cost is lower.
As shown in fig. 1 and 2, in order to monitor the conveying air pressure, a pressure gauge 6 for detecting the pressure of the compressed air is arranged at the air outlet end of the air compressor 12, and an air outlet valve 7 is arranged in the air outlet conveying direction; the pressure gauge 6 and the air outlet valve 7 are both connected to the controller 3; the controller 3 opens the air outlet valve 7 to supply air when the feedback pressure value of the pressure gauge 6 is greater than the set value, so that the air pressure output by the air compressor 12 reaches the set threshold value and then can open the air outlet valve 7 to be conveyed out, the filtering effect of the filter 15 is facilitated, and the safety of the whole gas conveying pipeline is ensured.
As shown in fig. 1 and fig. 2, further, an oxygen detector 21 for detecting oxygen content is installed on the transition box 2, the oxygen detector 21 is connected to the controller 3, and can feed back the oxygen content in the transition box 2 to the controller 3 in real time, and a threshold value of the highest oxygen content that can be combusted is set in the controller 3, when the oxygen content is higher than the threshold value, the transition box 2 cannot deliver oxygen-enriched air to the boiler 10, so as to avoid a risk of explosion. Specifically, an inflation inlet 22 for supplementing air is formed in the transition box 2, the inflation inlet 22 is located at the bottom of the transition box 2, and a control valve 221 is installed on the inflation inlet 22 so as to control the opening and closing of the inflation inlet 22 through the control valve 221; the control valve 221 is connected and controlled by the controller 3, when the controller 3 receives that the oxygen content value fed back by the oxygen detector 21 exceeds the oxygen content threshold value, the control valve 221 is opened to supplement air into the transition box 2 to reduce the internal oxygen content, and the control valve 221 is closed until the oxygen content is reduced to be lower than the oxygen content threshold value, so that the oxygen content provided by the boiler 10 during oxygen-enriched combustion is ensured to be within a reasonable range value, automatic control is realized, and the use convenience and efficiency are improved.
As shown in fig. 1, in the present embodiment, the filter 15 includes several filter layers 151 connected in sequence to form a multi-stage filter. The filter layer 151 may be made of non-woven fabric, glass fiber, fine-pore polyethylene foam, or ultra-fine glass fiber filter paper as a filter element to filter out dust impurities in the air, and the multi-stage filtration improves the filtering effect. The air supply pipe 4 between the filter 15 and the membrane air separation part 11 is connected with an air supply branch pipe 5, one end of the air supply branch pipe 5 far away from the air supply pipe 4 is connected with the air charging port 22, so that the filtered air is supplied to the air charging port 22 through the air supply branch pipe 5, and when the transition box 2 needs air supplement, the air with dust impurities is prevented from being supplied through the air supply branch pipe 5, and the oxygen-enriched combustion safety of the subsequent boiler 10 is further ensured.
As shown in fig. 1 and fig. 2, further, a circulation port 23 is further formed on one side of the transition box 2, the circulation port 23 is connected to the membrane air separation element 11 through a circulation pipe 8, and an air delivery valve 9 is installed to control the on-off of the membrane air separation element; the air delivery valve 9 is installed on the circulating pipe 8 and connected and controlled on the controller 3, if the oxygen content primarily separated by the membrane air separation part 11 is low, the controller 3 opens the air delivery valve 9, the oxygen-enriched air in the transition box 2 is circularly conveyed to the membrane air separation part 11 through the circulating pipe 8 for separation treatment, the separation is ensured to be more thorough, the oxygen content of the oxygen-enriched air in the transition box 2 reaches the standard, and the oxygen-enriched combustion of the boiler 10 is facilitated.
In this embodiment, the control valve 221, the gas delivery valve 9 and the gas outlet valve 7 all adopt electromagnetic valves so as to be controlled by the controller 3 to open and close, and the controller 3 can select the PLC controller 3, the computer or the electronic controller 3 so as to regulate and control the whole device.
The working principle is as follows: the air is compressed by an air compressor 12, enters a cooler 13 for cooling, further enters a post-filter 15 for filtering after water and oil in the air are separated by an oil-water separator 14, so that impurity dust in the air is filtered, pure air is obtained and conveyed to a membrane air separation part 11, and oxygen-enriched air is generated after the air is separated from nitrogen by the membrane air separation part 11 and is conveyed into a transition box 2 for storage; an oxygen detector 21 on the transition box 2 detects the oxygen content in the transition box in real time, when the oxygen content is lower in the previous period, an air delivery valve 9 on a circulating pipe 8 is opened, so that oxygen-enriched air circularly flows into a membrane air separation part 11 for separation, and after the separation reaches an oxygen-enriched set threshold value, the oxygen-enriched air is delivered into a boiler 10 through an air outlet end of the transition box 2 so as to provide the oxygen-enriched air for combustion. If the oxygen content in the transition box 2 is too high and risks the explosion of the boiler, the controller 3 opens the control valve 221, so that the air filtered by the filter 15 is conveyed to the inflation inlet 22 through the air conveying branch pipe 5 by the air conveying branch pipe 5 and then conveyed into the transition box 2 for supplement, the oxygen content in the filter box is reduced, automatic regulation and control are realized, the explosion of the boiler 10 is avoided, and the convenience and the safety in operation and use are improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An oxygen supply device for a combustion boiler is characterized by comprising an oxygen-enriched membrane mechanism, a transition box and a controller;
an oxygen-enriched membrane mechanism comprising a membrane air separator for separating nitrogen from air to form oxygen-enriched air;
a transition box connected to the membrane air separator for receiving oxygen-enriched air; the transition box is provided with an oxygen detector for detecting the oxygen content and an inflation inlet for supplementing air; a control valve is arranged on the inflation inlet;
the controller is connected with the detector and the control valve and is provided with a combustible maximum oxygen content threshold;
when the controller receives that the oxygen content value fed back by the oxygen detector exceeds the oxygen content threshold value, the controller opens the control valve until the oxygen content value is reduced to be lower than the oxygen content threshold value, and then closes the control valve.
2. The oxygen supply device for the combustion boiler according to claim 1, wherein the oxygen enrichment membrane mechanism comprises an air compressor and a filter; the air compressor is used for compressing air so as to send the air into the filter to filter impurities; the air inlet end of the filter is connected with the air outlet end of the air compressor, so that impurities in the air can be filtered; the air outlet end of the filter is connected with the air inlet end of the membrane air separation member.
3. The oxygen supply device for the combustion boiler according to claim 2, wherein the air outlet end of the filter is connected with the air inlet end of the membrane air separator through an air supply pipe; the air supply pipe is connected with an air supply branch pipe; one end of the air conveying branch pipe, which is far away from the air conveying pipe, is connected to the inflating port so as to supplement air to the transition box.
4. The oxygen supply device for a combustion boiler as claimed in claim 2, wherein the filter comprises a plurality of filter layers connected in sequence to form a multi-stage filtration.
5. The oxygen supply device for the combustion boiler according to claim 2 or 3, wherein a cooler for cooling the compressed air is arranged between the air compressor and the filter.
6. The oxygen supply device for the combustion boiler of claim 5, wherein an oil-water separator for filtering and separating oil and water in the air is arranged between the cooler and the filter.
7. The oxygen supply device for the combustion boiler of claim 2, wherein a pressure gauge for detecting the pressure of the compressed air is arranged at the air outlet end of the air compressor, and an air outlet valve is arranged in the air outlet conveying direction of the air compressor; the pressure gauge and the gas outlet valve are both connected to the controller; and the controller opens the air outlet valve to supply air when the feedback pressure value of the pressure gauge is greater than a set value.
8. The combustion boiler oxygen supply apparatus according to claim 1, wherein the transition box is provided with a circulation port; the circulating port is connected to the membrane air separation part through a circulating pipe and is provided with an air delivery valve to control the on-off of the membrane air separation part so as to form circulating separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222465904.4U CN218096019U (en) | 2022-09-16 | 2022-09-16 | Oxygen supply device for combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222465904.4U CN218096019U (en) | 2022-09-16 | 2022-09-16 | Oxygen supply device for combustion boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218096019U true CN218096019U (en) | 2022-12-20 |
Family
ID=84453307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222465904.4U Active CN218096019U (en) | 2022-09-16 | 2022-09-16 | Oxygen supply device for combustion boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218096019U (en) |
-
2022
- 2022-09-16 CN CN202222465904.4U patent/CN218096019U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101529691B1 (en) | High pressure fossil fuel oxy-combustion system with carbon dioxide capture for interface with an energy conversion system | |
| WO2017088753A1 (en) | Method for preparing coalbed methane hydrate | |
| CN103291268B (en) | Combustion gas composite heat carrier generator system | |
| CN218096019U (en) | Oxygen supply device for combustion boiler | |
| CN103452538B (en) | Pure oxygen natural gas composite heat carrier generator system | |
| CN107355679B (en) | A kind of integrated natural gas line pressure testing feeder and its temprature control method | |
| CN101804972A (en) | integrated nitrogen making machine | |
| CN112178455A (en) | LPG (liquefied petroleum gas) small storage tank gasification control system and gasification control method thereof | |
| CN214145604U (en) | High-pressure natural gas depressurization power generation system based on pneumatic device well mouth | |
| CN112556313A (en) | Heat supply and air separation system utilizing high-temperature and high-pressure steam and application method thereof | |
| CN110159922B (en) | Well head gas recovery system | |
| CN216891240U (en) | Discharged liquid recovery system of water electrolysis hydrogen production device | |
| CN104110573B (en) | It is a kind of to be used to supply natural gas to the system and fuel system of thermal spraying apparatus | |
| CN202928785U (en) | Aviation hydraulic element high temperature fuel oil testing stand | |
| CN211261474U (en) | Nitrogen circulating system for air separation | |
| CN214948199U (en) | Liquid chlorine gasification device | |
| CN215939370U (en) | Tail gas recovery, purification and cyclic utilization system of roller-hearth annealing furnace | |
| CN208920078U (en) | A kind of flare gas recovery processing system for power generation | |
| CN208237858U (en) | Non-oil ignition system for circulating fluidized bed combustion coal boiler | |
| CN211801572U (en) | Be used for buggy preparation safety emergency treatment device | |
| CN208482212U (en) | Aqueous vapor separates reflux unit | |
| CN218118041U (en) | Control device for closed circulation air compressor unit | |
| CN217139829U (en) | Landfill gas is gas purification device for electricity generation | |
| CN113531386B (en) | Vehicle-mounted collection system and method for vented natural gas | |
| CN219606743U (en) | Multi-storage-tank gas supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |