CN211419653U - Steam condensate water treatment device - Google Patents
Steam condensate water treatment device Download PDFInfo
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- CN211419653U CN211419653U CN201922192930.2U CN201922192930U CN211419653U CN 211419653 U CN211419653 U CN 211419653U CN 201922192930 U CN201922192930 U CN 201922192930U CN 211419653 U CN211419653 U CN 211419653U
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Abstract
The utility model provides a steam condensate water processing apparatus, buffer tank's exit end passes through the mutual UNICOM of entry end of pipeline and inorganic carbon membrane treater, the exit end of inorganic carbon membrane treater passes through the mutual UNICOM of entry end of pipeline and adsorption treatment ware, the exit end of adsorption treatment ware passes through the mutual UNICOM of entry end of pipeline and ponding case, the first exit end of ponding case passes through pipeline and boiler UNICOM, the second exit end of ponding case is through installing the mutual UNICOM of the entry end of backwash device and inorganic carbon membrane treater on the pipeline. The utility model discloses carry the surge tank with steam condensate water, through inorganic carbon membrane treater, adsorption processor, the steam condensate water storage water tank of having handled sends into boiler internal recycle. During backwashing, the backwashing device is opened, water is backwashed from the water accumulation tank to the inorganic carbon membrane processor, and the backwashed water is drained into the trench.
Description
Technical Field
The utility model belongs to the technical field of water recovery unit, concretely relates to steam condensate water processing apparatus.
Background
The steam is used as heat power and heat source, and is widely applied in the fields of petroleum, chemical industry, food and the like, the steam releases latent heat of vaporization through a steam device to become saturated high-temperature condensed water with the same temperature and pressure, the heat accounts for 20-30% of the total heat of the steam, the water temperature is generally 50-95 ℃, the steam has higher heat, and the steam is recovered, so that the energy-saving benefit is remarkable. The high-temperature condensed water has good water quality and can be directly recycled to the boiler for reuse, but the high-temperature condensed water of most factories has pollutants such as iron, oil, soluble micromolecular organic matters and the like due to pipeline corrosion, process or equipment operation, material leakage and the like, wherein the iron mainly exists in the form of colloid, suspension and soluble ferrous ions and can not reach the water supply standard of the industrial boiler, so the high-temperature condensed water of most factories can not be directly recycled, the heat energy is wasted, and the discharge of waste water and waste heat is increased.
At present, most of high-temperature condensed water generated by industrial boilers in China is not recycled mainly because of the lack of a treatment technology which is suitable for high-temperature operation and has stable treatment effect. The traditional condensed water treatment method is mostly suitable for a power station boiler, the condensed water generated by the power station boiler is low-temperature condensed water, the condensed water generated by an industrial boiler is high-temperature condensed water, and the traditional condensed water treatment technology is not suitable for high-temperature operation, so that the high-temperature condensed water can be treated only by cooling the high-temperature condensed water to about 60 ℃ by applying the traditional condensed water treatment technology, large-scale heat exchange equipment needs to be configured, the equipment investment is increased, the heat energy is wasted, andand further pollutes the water quality. In order to solve the problems, various condensed water oil and iron removing technologies, such as an activated carbon oil removing technology, a powder resin covering filtering oil and iron removing technology, a high-density fiber interception oil removing technology, a ceramic ultrafiltration oil removing and iron removing technology and the like, are developed in China. The oil and iron removing technology is a blocking method or a filtering method, and the blocking method and the filtering method can only effectively treat free oil, mechanical dispersion oil and suspended and colloidal metal corrosives when treating emulsified oil molecules, soluble oil molecules and Fe2+、Fe3+When impurities are contained, it is difficult to reach the water inlet standard of medium and high pressure boilers.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome and make control difficult among the above-mentioned prior art, go out the undulant shortcoming of water quality, provide an operation simple, it is convenient to maintain, with low costs, go out the steam condensate water processing apparatus that water quality of water is stable.
The technical scheme for solving the technical problems is as follows: the exit end of buffer tank passes through the mutual UNICOM of the entry end of pipeline and inorganic carbon membrane treater, the exit end of inorganic carbon membrane treater passes through the mutual UNICOM of the entry end of pipeline and adsorption processor, the exit end of adsorption processor passes through the mutual UNICOM of the entry end of pipeline and ponding case, the first exit end of ponding case passes through the mutual UNICOM of pipeline and boiler, the second exit end of ponding case is through installing the mutual UNICOM of the entry end of backwash device and inorganic carbon membrane treater on the pipeline.
The inorganic carbon film of the inorganic carbon film processor of the utility model has a film diameter of 20-60 nm.
The utility model discloses a high temperature condensate water is through behind the pipe-line transportation to buffer tank, through inorganic carbon membrane treater, absorption treater, and the steam condensate water that has handled is kept in the ponding case, opens the backwash device, and water carries out the backwash from ponding case to inorganic carbon membrane, and the ditch is gone into to the log raft of backwash, can effectively improve the rate of recovery of water, reduce backwash time and frequency, the utility model has the advantages of operation is simple, maintain convenient, with low costs, adaptation temperature range is wide, the filter fineness is high, play water stable in quality of water.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, the steam condensate water treatment apparatus of the present embodiment is constituted by connecting a buffer water tank 1, an inorganic carbon membrane processor 2, an adsorption processor 3, a water accumulation tank 4, a boiler 5, and a backwashing device 6.
The outlet end of the buffer water tank 1 is communicated with the inlet end of the inorganic carbon membrane processor 2 through a pipeline, the inorganic carbon membrane processor 2 is a commodity sold in the market, the membrane diameter of an inorganic carbon membrane of the inorganic carbon membrane processor 2 is 40nm, the transmembrane pressure difference is 0.32mPa, the contact angle of the inorganic carbon membrane is 0.3 degrees, the inorganic carbon membrane processor 2 has the advantages of good hydrophilicity, strong pollution resistance, high oil resistance, wide adaptive temperature range and high filtering precision, the inorganic carbon membrane processor 2 reduces the backwashing time and frequency, and the recovery rate of the embodiment is effectively improved. The outlet end of the inorganic carbon membrane processor 2 is communicated with the inlet end of the adsorption processor 3 through a pipeline, the adsorption processor 3 is a commodity sold in the market, the pressure difference of the adsorption processor 3 is 0.5-0.1 mPa, the filtration rate of the adsorption processor 3 is 4-15 m/H, the adsorption processor 3 is used for deep treatment of oil removal and iron removal of condensed water,
the outlet end of the adsorption processor 3 is communicated with the inlet end of the water accumulating tank 4 through a pipeline, the first outlet end of the water accumulating tank 4 is communicated with the boiler 5 through a pipeline, part of water in the water accumulating tank 4 is conveyed to the boiler 5 through a pipeline, the second outlet end of the water accumulating tank 4 is communicated with the inlet end of the inorganic carbon membrane processor 2 through a backwashing device 6 installed on the pipeline, the other part of water in the water accumulating tank 4 enters the inorganic carbon membrane processor 2 through the backwashing device 6, and then enters the adsorption processor 3 and the water accumulating tank 4 for backwashing.
The method for treating the steam condensate by using the steam condensate treatment device comprises the following steps:
(1) steam condensate containing oil and iron ions in the chemical plant enters the buffer water tank 1 to temporarily store or buffer the steam condensate, the iron ion content in the steam condensate entering the buffer water tank 1 is less than or equal to 1078 mu g/L, the oil content is less than or equal to 11mg/L, and suspended matters are less than or equal to 21.1 mg/L.
(2) Steam condensate from water flowing out of the buffering water tank 1 enters the inorganic carbon membrane processor 2, oil and iron ions in the steam condensate are removed by the inorganic carbon membrane processor 2, the oil content in the water treated by the inorganic carbon membrane processor 2 is 2-3 mg/L, the iron ion content is 56-77 mu g/L, and the suspended matter content is 1.2-1.6 mg/L.
(3) The steam condensate water flowing out of the inorganic carbon membrane processor 2 enters the adsorption processor 3, the oil content in the water flowing out after being processed by the adsorption processor 3 is 0.1-0.2 mg/L, the content of iron ions is 11-16 mu g/L, and the content of suspended matters is 0.3-0.7 mg/L.
(4) The water flowing out of the adsorption processor 3 enters the water accumulating tank 4 for temporary storage, and the water flowing out of the water accumulating tank 4 returns to the boiler 5 for use.
(5) When the transmembrane pressure difference of the inorganic carbon membrane processor is more than 0.4mPa, carrying out backwashing, wherein the backwashing step is as follows:
closing the inorganic carbon membrane processor 2 and the adsorption processor 3, opening the backwashing device 6, stopping water in the buffer water tank 1 from entering the inorganic carbon membrane processor 2, enabling water in the water accumulation tank 4 to enter the inorganic carbon membrane processor 2 through the backwashing device 6 for backwashing for 20min, discharging the backwashed water into a trench, and repeating the steps (1) - (4) after backwashing is finished.
Steam condensate water is conveyed to a buffer water tank 1 through a pipeline, the treated steam condensate water is temporarily stored in a water accumulating tank 4 through an inorganic carbon membrane processor 2 and an adsorption processor 3, and the temperature, the iron ion content, the oil content and the suspended matter content in the water in the buffer water tank 1, the inorganic carbon membrane processor 2, the adsorption processor 3 and the water accumulating tank 4 are respectively detected.
The results are shown in Table 1.
Table 1 table of test results of example 1
| Process of treatment | Temperature (. degree.C.) | Iron ion (mu g/L) | Oil content (mg/L) | Suspended substance (mg/L) |
| Buffer water tank 1 | 87 | 870 | 9.1 | 18 |
| Inorganic carbon film processor 2 | 85 | 64 | 2.3 | 1.5 |
| Adsorption processor 3 | 84 | 14 | 0.2 | 0.5 |
| Water accumulating tank 4 | 80 | 14 | 0.2 | 0.5 |
And (4) opening the backwashing device 6, backwashing the water from the water accumulation tank 4 to the inorganic carbon membrane 2, and discharging the backwashed water into the trench.
The steam condensate water treated by the steam condensate water treatment device has the temperature reduced by 7 ℃, the iron ion removal rate of 98.4 percent, the oil content removal rate of 97.8 percent and the suspended matter removal rate of 97.2 percent.
Example 2
The outlet end of the buffer water tank 1 is communicated with the inlet end of the inorganic carbon membrane processor 2 through a pipeline, the membrane diameter of the inorganic carbon membrane processor 2 is 20nm, and the transmembrane pressure difference is 0.5 mPa. The exit end of inorganic carbon membrane treater 2 passes through the pipeline and adsorbs the mutual UNICOM of entry end of treater 3, and the exit end of adsorbing treater 3 passes through the pipeline and the mutual UNICOM of entry end of ponding case 4, and the first exit end of ponding case 4 passes through the pipeline and the mutual UNICOM of boiler 5, and the second exit end of ponding case 4 is through installing the mutual UNICOM of backwash device 6 and inorganic carbon membrane treater 2's entry end on the pipeline.
The method of treating the steam condensate using the above-described steam condensate treating apparatus is the same as in example 1.
The steam condensate water is conveyed to the buffer water tank 1 through a pipeline, passes through the inorganic carbon membrane processor 2 and the adsorption processor 3, the processed steam condensate water temporarily exists in the water accumulation tank 4, the temperature, the iron ion content, the oil content and the suspended matters in the water in the buffer water tank 1, the inorganic carbon membrane processor 2, the adsorption processor 3 and the water accumulation tank 4 are detected, and the detection results are shown in a table 2.
Table 2 table of test results of example 2
| Process of treatment | Temperature (. degree.C.) | Iron ion (mu g/L) | Oil content (mg/L) | Suspended substance (mg/L) |
| Buffer water tank 1 | 95 | 1078 | 11 | 21.1 |
| Inorganic carbon film processor 2 | 93 | 56 | 2 | 1.2 |
| Adsorption processor 3 | 92 | 11 | 0.1 | 0.3 |
| Water accumulating tank 4 | 87 | 11 | 0.1 | 0.3 |
Closing the inorganic carbon membrane processor 2 and the adsorption processor 3, opening the backwashing device 6, backwashing water from the water accumulation tank 4 to the inorganic carbon membrane 2, and discharging the backwashed water into the trench.
After the treatment by the system, the temperature is reduced by 8 ℃, the iron ion removal rate is 99.0 percent, the oil content removal rate is 99.1 percent, and the suspended matter removal rate is 98.6 percent.
The other components and the connection relationship of the components are the same as those in embodiment 1.
Example 3
The outlet end of the buffer water tank 1 is communicated with the inlet end of the inorganic carbon membrane processor 2 through a pipeline, the membrane diameter of the inorganic carbon membrane processor 2 is 60nm, and the transmembrane pressure difference is 0.12 mPa. The exit end of inorganic carbon membrane treater 2 passes through the pipeline and adsorbs the mutual UNICOM of entry end of treater 3, and the exit end of adsorbing treater 3 passes through the pipeline and the mutual UNICOM of entry end of ponding case 4, and the first exit end of ponding case 4 passes through the pipeline and the mutual UNICOM of boiler 5, and the second exit end of ponding case 4 is through installing the mutual UNICOM of backwash device 6 and inorganic carbon membrane treater 2's entry end on the pipeline.
The method of treating the steam condensate using the above-described steam condensate treating apparatus is the same as in example 1.
High temperature condensate water is conveyed to the buffer water tank 1 through a pipeline, the treated steam condensate water temporarily exists in the water accumulation tank 4 through the inorganic carbon membrane processor 2 and the adsorption processor 3, and the temperature, the iron ion content, the oil content and the suspended matter content in the water of the buffer water tank 1, the inorganic carbon membrane processor 2, the adsorption processor 3 and the water accumulation tank 4 are detected. The results are shown in Table 3.
Table 3 table of test results of example 2
| Process of treatment | Temperature (. degree.C.) | Iron ion (mu g/L) | Oil content (mg/L) | Suspended substance (mg/L) |
| Buffer water tank 1 | 98 | 912 | 9.5 | 10.4 |
| Inorganic carbon film processor 2 | 94 | 77 | 3 | 1.6 |
| Adsorption processor 3 | 93 | 16 | 0.2 | 0.7 |
| Water accumulating tank 4 | 89 | 16 | 0.2 | 0.7 |
Closing the inorganic carbon membrane processor 2 and the adsorption processor 3, opening the backwashing device 6, backwashing water from the water accumulation tank 4 to the inorganic carbon membrane 2, and discharging the backwashed water into the trench.
After the treatment by the system, the temperature is reduced by 4 ℃, the iron ion removal rate is 98.2 percent, the oil content removal rate is 97.9 percent, and the suspended matter removal rate is 93.3 percent.
The other components and the connection relationship of the components are the same as those in embodiment 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (2)
1. A steam condensate water processing apparatus characterized in that: the exit end of surge tank (1) passes through the pipeline and communicates each other with the entry end of inorganic carbon membrane treater (2), the exit end of inorganic carbon membrane treater (2) passes through the pipeline and adsorbs the entry end of treater (3) and communicates each other, the exit end of adsorption treater (3) passes through the pipeline and communicates each other with the entry end of ponding case (4), the first exit end of ponding case (4) passes through the pipeline and communicates each other with boiler (5), the second exit end of ponding case (4) is through installing backwash device (6) on the pipeline and the intercommunication each other with the entry end of inorganic carbon membrane treater (2).
2. The steam condensate treatment apparatus of claim 1, wherein: the inorganic carbon membrane of the inorganic carbon membrane processor (2) has a membrane diameter of 20-60 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192930.2U CN211419653U (en) | 2019-12-09 | 2019-12-09 | Steam condensate water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922192930.2U CN211419653U (en) | 2019-12-09 | 2019-12-09 | Steam condensate water treatment device |
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| CN211419653U true CN211419653U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803735A (en) * | 2019-12-09 | 2020-02-18 | 陕西省石油化工研究设计院 | Steam condensate water treatment device and treatment method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803735A (en) * | 2019-12-09 | 2020-02-18 | 陕西省石油化工研究设计院 | Steam condensate water treatment device and treatment method thereof |
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Granted publication date: 20200904 Termination date: 20201209 |