CN211040932U - Multifunctional boiler water supply deoxidization system - Google Patents
Multifunctional boiler water supply deoxidization system Download PDFInfo
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- CN211040932U CN211040932U CN201921852603.9U CN201921852603U CN211040932U CN 211040932 U CN211040932 U CN 211040932U CN 201921852603 U CN201921852603 U CN 201921852603U CN 211040932 U CN211040932 U CN 211040932U
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Abstract
The utility model relates to a multi-functional boiler feedwater deoxidization system, include the water tank, deoxidization water pump, the oxygen-eliminating device that connect gradually through the pipeline, through the pipe connection in flow detection subassembly between the export of water tank and oxygen-eliminating water pump, this flow detection subassembly includes standard flowmeter and the flowmeter that awaits measuring, the deoxidization water pump is the frequency conversion water pump, the water inlet department of oxygen-eliminating device is equipped with the ooff valve. Compared with the prior art, the utility model has the advantages of rate of equipment utilization is high, economic benefits is good, equipment investment cost is low.
Description
Technical Field
The utility model relates to a water treatment technology especially relates to a multi-functional boiler feedwater deoxidization system.
Background
In the process of boiler feed water treatment, oxygen removal is one of the key links. Oxygen is a major corrosive substance for feedwater systems and boilers. The boiler water is deoxidized through the deoxidizing system, so that the deoxidizing qualification rate is ensured, and the hidden trouble of long-period stable operation of the boiler is eliminated.
Among the water charging system of current boiler, deoxidization system mainly used boiler hot water moisturizing, because boiler hot water is closed circulation system, the water loss is less, therefore deoxidization system most of time is in idle state, has great space of recycling. How to fully utilize the deoxygenation system, improve the utilization rate of equipment and generate greater economic benefits is a problem to be solved urgently; and when other functions are coupled on the original oxygen removal system, the realization of the original oxygen removal function is not influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional boiler water supply deoxidization system for overcoming the defect of low deoxidization system utilization rate in the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a multi-functional boiler feedwater deoxidization system, includes water tank, deoxidization water pump, the oxygen-eliminating device that connects gradually through the pipeline, through the pipe connection in flow detection subassembly between the export of water tank and oxygen-eliminating water pump, this flow detection subassembly include standard flowmeter and the flowmeter that awaits measuring, the deoxidization water pump is the frequency conversion water pump, the water inlet department of oxygen-eliminating device is equipped with the ooff valve.
When the flow detection assembly works, water in the water tank sequentially passes through the standard flowmeter and the flowmeter to be detected.
The flow detection assembly further comprises a first butterfly valve connected with the standard flowmeter and a second butterfly valve connected with the flowmeter to be detected.
The length of an upstream straight pipe section of the standard flowmeter is at least 15D, and the length of a downstream straight pipe section of the standard flowmeter is at least 5D; the length of the upstream straight pipe section of the flowmeter to be measured is at least 15D, the length of the downstream straight pipe section is at least 5D, and D is the nominal diameter of the pipeline.
The length of the upstream straight pipe section of the standard flowmeter is 15D, the length of the straight pipe section between the standard flowmeter and the flowmeter to be measured is 10D, and the length of the downstream straight pipe section of the flowmeter to be measured is 10D.
The deoxidization water pump with pipeline between the upper reaches straight tube section of standard flowmeter the low reaches straight tube section of the flowmeter that awaits measuring with pipeline diameter between the water tank is DN150, the straight tube section of the upper reaches straight tube section of standard flowmeter, standard flowmeter and the straight tube section between the flowmeter that awaits measuring and the pipeline diameter of the low reaches straight tube section of the flowmeter that awaits measuring of the standard flowmeter are DN 100.
The water inlet of the deoxygenation water pump is provided with a third butterfly valve, and the water outlet of the deoxygenation water pump is provided with a fourth butterfly valve.
The two deoxygenation water pumps are connected in parallel.
The utility model discloses a theory of operation does:
when the boiler needs to be supplemented with water, the deoxygenation water pump is opened, water in the water tank is sent into the oxygen device to be deoxygenated, and therefore water with low oxygen content is obtained to serve as supplemented water of the boiler, and the boiler water supplementing function is achieved. At the time that does not need the boiler moisturizing, close the ooff valve on the oxygen-eliminating device water inlet department pipeline, utilize water tank, frequency conversion water pump, standard flowmeter and the flowmeter that awaits measuring to constitute a closed circulation system, utilize the converter control frequency conversion water pump of frequency conversion water pump to change the system flow, whether the contrast is within the rational range again by the deviation of flow meter and standard component flowmeter, thereby whether the examination is qualified by the flow meter, thereby realize the detection function of flowmeter.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the idle time of the deoxygenation system is reduced, the utilization rate of the whole system is improved, and the water supplementing function and the flow meter testing function are coupled in one system, so that the equipment investment is reduced, and the economic benefit is improved;
(2) the coupled flow meter testing function belongs to the common function in the technical field of water treatment, the flow meter detection belongs to intermittent and interruptible operation, the original deoxygenation function cannot be influenced, a user can reasonably arrange the time of the deoxygenation function and the flow testing function, and the deoxygenation function and the flow testing function are intermittently and alternately completed and are matched with each other;
(3) the flow detection function can help the water treatment user to judge whether the metering equipment is good or not, the verification cost of a third party of the metering equipment of a company is reduced, and the economic benefit is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 1 is the water tank, 2 is the deoxidization water pump, 3 is the standard flowmeter, 4 are the flowmeter that awaits measuring, 5 are first butterfly valve, 6 are the second butterfly valve, 7 are the third butterfly valve, 8 are the fourth butterfly valve.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
The utility model provides a multi-functional boiler feedwater deoxidization system, as shown in figure 1, include the water tank 1 that connects gradually through the pipeline, deoxidization water pump 2, the oxygen-eliminating device, through the flow detection subassembly of pipe connection between the export of water tank 1 and deoxidization water pump 2, this flow detection subassembly includes along the water flow direction first butterfly valve 5 of pipe connection in proper order, standard flowmeter 3, the flowmeter 4 that awaits measuring, second butterfly valve 6, first butterfly valve 5 and second butterfly valve 6 are used for standard flowmeter 3 and the maintenance of the flowmeter 4 and relevant pipeline that await measuring, deoxidization water pump 2 is the frequency conversion water pump, the water inlet department of oxygen-eliminating device is equipped with the ooff valve, the water inlet department of deoxidization water pump 2 is equipped with third butterfly valve 7, the delivery port of deoxidization water pump 2 is equipped with fourth butterfly valve 8, deoxidization water pump 2 is equipped.
In order to meet the installation requirements of the flowmeter, the length of an upstream straight pipe section of the standard flowmeter is at least 15D, and the length of a downstream straight pipe section of the standard flowmeter is at least 5D; the length of the upstream straight pipe section of the flowmeter 4 to be measured is at least 15D, the length of the downstream straight pipe section is at least 5D, and D is the nominal diameter of the pipeline. In this embodiment, the length of the upstream straight tube of the standard flowmeter is 15D, the length of the straight tube between the standard flowmeter and the flowmeter 4 to be measured is 10D, and the length of the downstream straight tube of the flowmeter 4 to be measured is 10D.
The diameters of the pipeline between the deoxygenation water pump 2 and the upstream straight pipe section of the standard flowmeter, the pipeline between the downstream straight pipe section of the to-be-measured flowmeter 4 and the water tank 1 are DN150, and the diameters of the pipeline between the upstream straight pipe section of the standard flowmeter, the straight pipe section between the standard flowmeter and the to-be-measured flowmeter 4 and the pipeline between the downstream straight pipe section of the to-be-measured flowmeter 4 are DN 100.
In the embodiment, a new pipeline of DN100 is added at the outlet of the deoxygenation water pump of the original system, so that the flow of the deoxygenation water pump pumped out of the water tank can return to the water tank along the new pipeline; then, a long straight pipe section (larger than 35D) is cut from the newly added pipeline of DN100, and the straight pipe section is replaced by DN 150; and a standard flowmeter and a flowmeter to be measured are installed on the DN150 straight pipe section, the requirement during installation is that the requirement meets the requirement of the lowest measurement requirement of more than 5D after the requirement of the first 10D, and finally butterfly valves are added at the front end and the rear end of the newly added pipeline for maintenance. The embodiment realizes that the flow detection device is coupled to the oxygen removal device, thereby improving the utilization rate of the oxygen removal system.
This embodiment makes the water tank form a closed circulation system from returning to the water tank again to the deoxidization water pump through closing the pipeline valve of oxygen-eliminating device entrance, utilizes converter control deoxidization water pump to change the system flow, and whether the contrast is within the rational scope again by the deviation of flow meter and standard component flowmeter to whether the examination is qualified by the flow meter.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a multi-functional boiler feedwater deoxidization system, its characterized in that includes water tank (1), deoxidization water pump (2), the oxygen-eliminating device that connect gradually through the pipeline, through the pipe connection in flow detection subassembly between the export of water tank (1) and deoxidization water pump (2), this flow detection subassembly includes standard flowmeter (3) and the flowmeter (4) that awaits measuring, deoxidization water pump (2) are the frequency conversion water pump, the water inlet department of oxygen-eliminating device is equipped with the ooff valve.
2. The multifunctional boiler water feeding and oxygen removing system according to claim 1, characterized in that when the flow detection assembly works, water in the water tank (1) passes through the standard flowmeter (3) and the flowmeter (4) to be measured in sequence.
3. A multi-functional boiler feed water deoxygenation system according to claim 2, characterized in that the flow detection assembly further comprises a first butterfly valve (5) connected to the standard flow meter (3) and a second butterfly valve (6) connected to the flow meter (4) to be tested.
4. A multi-functional boiler feed water deoxygenation system according to claim 3, characterized in that the upstream straight pipe section length of said standard flow meter (3) is at least 15D, and the downstream straight pipe section length is at least 5D; the length of an upstream straight pipe section of the flowmeter (4) to be measured is at least 15D, the length of a downstream straight pipe section is at least 5D, and D is the nominal diameter of the pipeline.
5. The multifunctional boiler water feeding and oxygen removing system according to claim 4, characterized in that the length of the upstream straight pipe section of the standard flowmeter (3) is 15D, the length of the straight pipe section between the standard flowmeter (3) and the flowmeter to be tested (4) is 10D, and the length of the downstream straight pipe section of the flowmeter to be tested (4) is 10D.
6. The multifunctional boiler water feeding and oxygen removing system according to claim 4, characterized in that the diameter of the pipeline between the oxygen removing water pump (2) and the upstream straight pipe section of the standard flowmeter (3), the diameter of the pipeline between the downstream straight pipe section of the flowmeter to be measured (4) and the water tank (1) is DN150, and the diameter of the pipeline between the upstream straight pipe section of the standard flowmeter (3), the straight pipe section between the standard flowmeter (3) and the flowmeter to be measured (4), and the diameter of the pipeline between the downstream straight pipe section of the flowmeter to be measured (4) is DN 100.
7. The multi-functional boiler water feeding deoxidization system of claim 1, characterized in that, the water inlet of deoxidization water pump (2) is equipped with third butterfly valve (7), the water outlet of deoxidization water pump (2) is equipped with fourth butterfly valve (8).
8. A multi-functional boiler water-feeding and oxygen-removing system according to claim 7, characterized in that, there are two oxygen-removing water pumps (2), and the two oxygen-removing water pumps (2) are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921852603.9U CN211040932U (en) | 2019-10-31 | 2019-10-31 | Multifunctional boiler water supply deoxidization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921852603.9U CN211040932U (en) | 2019-10-31 | 2019-10-31 | Multifunctional boiler water supply deoxidization system |
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| CN211040932U true CN211040932U (en) | 2020-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671691A (en) * | 2019-10-31 | 2020-01-10 | 长沙经济技术开发区祥原动力供应有限公司 | Multifunctional boiler water supply deoxidization system |
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2019
- 2019-10-31 CN CN201921852603.9U patent/CN211040932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671691A (en) * | 2019-10-31 | 2020-01-10 | 长沙经济技术开发区祥原动力供应有限公司 | Multifunctional boiler water supply deoxidization system |
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