CN201678481U - Catalytic deoxidization and purification device for internal cooling water of generator - Google Patents
Catalytic deoxidization and purification device for internal cooling water of generator Download PDFInfo
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- CN201678481U CN201678481U CN2010201492265U CN201020149226U CN201678481U CN 201678481 U CN201678481 U CN 201678481U CN 2010201492265 U CN2010201492265 U CN 2010201492265U CN 201020149226 U CN201020149226 U CN 201020149226U CN 201678481 U CN201678481 U CN 201678481U
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- cooling water
- catalytic deoxidation
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Abstract
The utility model relates to a deoxidization and purification device for an internal cooling water system of a generator, comprising a water inlet pipe (1), a rotameter I (2), a rotameter II (3), a catalytic deaerator (4), a hydrogenation unit (5), a purification deionizer (6), a resin trapper (7), a water outlet pipe (8) and a three-in-one water quality testing instrument (9). By using the utility model, the dissolved oxygen in the internal cooling water closed circulating system of a generator set can be effectively reduced, the oxygen corrosion of a hollow copper conductor of the generator is avoided, the provision that the dissolved oxygen in water is less than or equal to 30mug/L in the DL/T801-2002 requirements of water quality and internal cooling water system for large generator is met, the impurities in the water can be cleaned, the inner cooling water quality is improved, and the safe and economical operation of the generator is ensured. The device has simple structure, the internal cooling water purified by the device has low conductivity, small dissolved oxygen content, moderate pH value and low copper ion content, the insulating property of the generator is dramatically improved, and the safe and economical performance of the generator is improved as well.
Description
Technical field
The utility model relates to electric generator inner cooling water system deoxygenation refining plant.
Background technology
Directly contact recirculated water because of air in the electric generator inner cooling water circulation system, oxygen in water is exceeded standard cause the hollow copper conductor of generator to have oxygen corrosion, influence the generator safety and economic operation, operation operation along with Generator Set, also more and more higher to the electric generator inner cooling water requirements in water quality, in DL/T 801-2002 " high-rating generator internal cooling water quality and systems technology require ", clearly stipulated the electric generator inner cooling water water quality requirement, wherein stipulated pH value, specific conductivity, hardness, copper content, molten ammonia amount, 6 indexs such as dissolved oxygen amount, at present, the inner cold water water quality first five items index of state time generator group can both meet the demands by little alkalinisation treatment device, the inner cold water dissolved oxygen amount is not easy to reach standard-required only, generally greater than 1300 μ g/L, be above standard≤more than 40 times of 30 μ g/L, accelerated the oxygen corrosion of electric generator inner cooling water system, the accident that causes because of inner cold water quality problem happens occasionally, and lesson is very painful.
Summary of the invention
The purpose of this utility model provides a kind of electric generator inner cooling water catalytic deoxidation refining plant that can effectively reduce dissolved oxygen amount in the generating set inner cold water closed cycle system, prevent the hollow copper conductor oxygen corrosion of generator and can remove impurity in the water, improve inner cold water water quality.
Technical solution of the present utility model is: it comprises water inlet pipe, spinner-type flowmeter one, spinner-type flowmeter two, the catalytic deoxidation device, hydrogenation unit, purify deionizer, resin catcher, rising pipe and by online electric conductivity detector, online PH detector, the three-in-one water quality detection instrument that online water oxygen level detector constitutes, the water-in of spinner-type flowmeter one and spinner-type flowmeter two water-ins are connected with water inlet pipe by ball valve one and ball valve two respectively, the water outlet of spinner-type flowmeter one is connected with the water-in that purifies deionizer, the water outlet of spinner-type flowmeter two is connected with the water-in of catalytic deoxidation device, hydrogenation mouth on the suction culvert of the hydrogen opening of hydrogenation unit and catalytic deoxidation device is connected, the water outlet of catalytic deoxidation device is connected with the water-in that purifies deionizer by ball valve three, the water outlet of the water outlet of catalytic deoxidation device and purification deionizer is connected with ball valve four and ball valve five respectively, the water side of ball valve four is connected with the water side of ball valve five and is connected with the water-in of resin catcher by vacuum breaker, the water outlet of resin catcher is connected with rising pipe by ball valve six, be connected with wash water valve on the water-in of resin catcher, first water-in of three-in-one water quality detection instrument is connected with water inlet pipe, second water-in is connected with the feed-water end of vacuum breaker, water outlet is connected with the water side of resin catcher.
Technique effect of the present utility model is: use it can effectively reduce dissolved oxygen in the generating set inner cold water closed cycle system, prevent the hollow copper conductor oxygen corrosion of generator, satisfy the regulation of DL/T 801-2002 " high-rating generator internal cooling water quality and systems technology require " oxygen in water≤30 μ g/L, and can remove impurity in the water, improve inner cold water water quality, guaranteed the safety and economic operation of generator.This apparatus structure is simple, uses the inner cold water specific conductivity of its purifying treatment low, dissolved oxygen content is little, the pH value is moderate, content of copper ion is low, and the insulativity that has increased substantially generator has improved the safety economy of generator.
By sealing of electric generator inner cooling water system water and hydrogenation catalyst deoxygenation refining plant, can make inner cold water water quality reach as follows
1) inner cold water oxygen in water≤30 μ g/L.
2) Cu2+ content in the inner cold water water≤15 μ g/L.
3) pH value 〉=7.3 in the inner cold water water.
4) inner cold water specific conductivity≤0.8us/cm.
5) corrosion of generator copper coil alleviates.
6) the inner cold water electricity is led and is reduced, and water quality improves.
Description of drawings
Fig. 1 is the utility model example structure synoptic diagram;
Fig. 2 is the utility model embodiment hydrogenation unit perspective view.
Embodiment
As shown in Figure 1, it comprises water inlet pipe 1, spinner-type flowmeter 1, spinner-type flowmeter 23, catalytic deoxidation device 4, hydrogenation unit 5, purify deionizer 6, resin catcher 7, rising pipe 8 and by online electric conductivity detector, online PH detector, the three-in-one water quality detection instrument 9 that online water oxygen level detector constitutes, the water-in of the water-in of spinner-type flowmeter 1 and spinner-type flowmeter 23 is connected with water inlet pipe 1 by ball valve 1 and ball valve 2 11 respectively, the water outlet of spinner-type flowmeter 1 is connected with the water-in that purifies deionizer 6, the water outlet of spinner-type flowmeter 23 is connected with the water-in of catalytic deoxidation device 4, hydrogenation mouth on the suction culvert of the hydrogen opening of hydrogenation unit 5 and catalytic deoxidation device 4 is connected, the water outlet of catalytic deoxidation device 4 is connected with the water-in that purifies deionizer 6 by ball valve 3 12, the water outlet of the water outlet of catalytic deoxidation device 4 and purification deionizer 6 is connected with ball valve 4 13 and ball valve 5 14 respectively, the water side of ball valve 4 13 is connected with the water side of ball valve 5 14 and is connected by the water-in of vacuum breaker 15 with resin catcher 7, the water outlet of resin catcher 7 is connected with rising pipe 8 by ball valve 6 16, be connected with wash water valve 17 on the water-in of resin catcher 7, first water-in of three-in-one water quality detection instrument 9 is connected with water inlet pipe 1, second water-in is connected with the feed-water end of vacuum breaker 15, water outlet is connected with the water side of resin catcher 7.
Be connected with inlet gage 19 by valve 1 on the water inlet pipe 1.Be connected with discharge pressure table 21 by valve 2 20 on the rising pipe 8.
As shown in Figure 2, hydrogenation unit 5 is made of hydrogen cylinder 51, hydrogen reducing valve 52, minimum gas flow control valve 53, hydrogen flowmeter 54, vacuum breaker 55, hydrogenation pipeline 56, operation box 57, and hydrogen cylinder 51, hydrogen reducing valve 52, minimum gas flow control valve 53, hydrogen flowmeter 54, vacuum breaker 55, hydrogenation pipeline 56 are connected in turn.The operation box 57 of hydrogenation unit 5 is metal boxes, hydrogen cylinder 51, hydrogen reducing valve 52, minimum gas flow control valve 53, hydrogen flowmeter 54, vacuum breaker 55, hydrogenation pipeline 56 are positioned at operation box 57, after opening hydrogen reducing valve 52, the hydrogenation mouth of hydrogen on the suction culvert of hydrogen reducing valve 52, minimum gas flow control valve 53, hydrogen flowmeter 54, vacuum breaker 55, hydrogenation pipeline 56 connection catalytic deoxidation devices.
The hydrogenation point of hydrogenation unit 5 is on catalytic deoxidation device 4 water-in pipelines, when inner cold water equipment moves, in time open hydrogen reducing valve 52 according to dissolved oxygen amount in the inner cold water, adjust mouth pressure at 0.3MPa, by regulating minimum gas flow control valve 53 apertures, keep required hydrogen content in the assurance inner cold water with oxygen in water generation catalyzed reaction.Hydrogenation unit 5 can be adjusted minimum gas flow control valve 53 apertures according to the inner cold water oxygen level and add an amount of hydrogen in catalytic deoxidation device 4, under perfect condition, the dissolved oxygen in the inner cold water thoroughly can be removed.
Purifying deionizer 6 is cylindrical containers of being made by 304 stainless steels, and inside loads in mixture Na by the 1:1.5:2 volume ratio
+Type, H
+Type and OH
-The type ion-exchanger can remove the middle yin, yang ionic impurity that anhydrates effectively, reduces the inner cold water specific conductivity, and the inner cold water pH value is remained between the 7.0-7.5, guarantees inner cold water water quality, reduces inner cold water system fouling corrosion, and its inlet flow rate is adjusted at 1-2m
3About/h, water outlet is connected with resin catcher 7 by rising pipe 8 to inner cold water tank inlet pipe.
Spinner-type flowmeter 1, spinner-type flowmeter 23 and by online electric conductivity detector, online PH detector, the three-in-one water quality detection instrument 9 that online water oxygen level detector constitutes constitutes water quality detecting device, three-in-one water quality detection instrument 9 water samples are taken from water inlet pipe respectively, purify deionizer and catalytic deoxidation device water outlet, enter spinner-type flowmeter 1 and spinner-type flowmeter 23 through T-valve, through being back to resin catcher 7 back water return pipelines after the inflow-rate of water turbine adjustment after successively by online electric conductivity detector → online PH detector → online water oxygen level detector, three-in-one secondary display instrument 9 can accurately show the specific conductivity of water sample simultaneously, pH value and oxygen level.
Be provided with 220V, 10A general supply air auto-switch in the three-in-one water quality detection instrument 9 device casees, chamber door has transparent glass window.
Electric generator inner cooling water catalytic deoxidation refining plant catalytic deoxidation principle: contain a certain amount of hydrogen in the hydrogen cooled generator inner cold water, by catalytic deoxidation device 4 time, with the dissolved oxygen water generation reaction under the effect of deoxidation catalyst in the water, consumed the dissolved oxygen in the water, thereby reach the deoxygenation purpose, if the hydrogen richness deficiency can be carried out hydrogenation by hydrogenation unit 5 in the inner cold water, simultaneously, purify deionizer 6 the most of yin, yang ionic impurity absorption in the water is removed, and have a certain amount of Na
+Thereby ion improves the purpose that the pH value of water reaches electric generator inner cooling water deoxygenation, purification, raising pH value.
At first this device is connected with the inner cold water system, electric generator inner cooling water enters spinner-type flowmeter 1 from the water inlet pipe 1 that tensimeter 19 is installed through ball valve 1, adjust flow and purify deionizer 6 after spinner-type flowmeter one 2 water outlets enter, most of yin, yang ionic impurity is adsorbed by deionization agent exchange and removes and have a certain amount of Na in the inner cold water in purifying deionizer 6
+Ion improves the PH of water; Electric generator inner cooling water enters spinner-type flowmeter 23 through ball valve 2 11, adjust flow after spinner-type flowmeter 23 water outlets enter catalytic deoxidation device 4, in catalytic deoxidation device 4, dissolved oxygen in the inner cold water under the effect of nano-catalytic oxygen scavenger with hydrogen generation catalyzed reaction, generate water, thereby reach the deoxygenation purpose.Purifying deionizer 6 water outlets is connected with catalytic deoxidation device 4 water outlets after vacuum breaker 15 is connected with resin catcher 7 again, resin catcher 7 water outlets are connected with the inlet tube of inner cold water case, the ball valve 6 16 that install resin catcher 7 backs is the total door of outlet of whole device, the blowdown when wash water valve of installing between resin catcher 7 and the vacuum breaker 15 17 is used for washing unit.
The electric generator inner cooling water deoxygenation is by the catalytic deoxidation principle, removes the dissolved oxygen in the water.The catalyzer that selection can play katalysis and do not influence again other index of electric generator inner cooling water is a key of finishing this technology, the catalyzer of development is that precious metal is supported on the carrier of high-ratio surface and prepares, adopt multiple catalyst preparation technology, (particle size of catalyst activity component is in nanometer scale, about tens nanometers to make the catalyst activity component be evenly dispersed in carrier surface; The carrier specific surface area is big, and specific conductivity is low, does not influence water quality), thus guarantee that catalyzer has very high reactive behavior, the dissolved oxygen amount in can deep removal water.
Claims (6)
1. electric generator inner cooling water catalytic deoxidation refining plant, it is characterized in that: it comprises water inlet pipe (1), spinner-type flowmeter one (2), spinner-type flowmeter two (3), catalytic deoxidation device (4), hydrogenation unit (5), purify deionizer (6), resin catcher (7), rising pipe (8) and by online electric conductivity detector, online PH detector, the three-in-one water quality detection instrument (9) that online water oxygen level detector constitutes, the water-in of the water-in of spinner-type flowmeter one (2) and spinner-type flowmeter two (3) is connected with water inlet pipe (1) by ball valve one (10) and ball valve two (11) respectively, the water outlet of spinner-type flowmeter one (2) is connected with the water-in that purifies deionizer (6), the water outlet of spinner-type flowmeter two (3) is connected with the water-in of catalytic deoxidation device (4), the hydrogen opening of hydrogenation unit (5) is connected with hydrogenation mouth on the suction culvert of catalytic deoxidation device (4), the water outlet of catalytic deoxidation device (4) is connected with the water-in that purifies deionizer (6) by ball valve three (12), the water outlet of the water outlet of catalytic deoxidation device (4) and purification deionizer (6) is connected with ball valve four (13) and ball valve five (14) respectively, the water side of ball valve four (13) is connected with the water side of ball valve five (14) and is connected by the water-in of vacuum breaker (15) with resin catcher (7), the water outlet of resin catcher (7) is connected with rising pipe (8) by ball valve six (16), be connected with wash water valve (17) on the water-in of resin catcher (7), first water-in of three-in-one water quality detection instrument (9) is connected with water inlet pipe (1), second water-in is connected with the feed-water end of vacuum breaker (15), water outlet is connected with the water side of resin catcher (7).
2. electric generator inner cooling water catalytic deoxidation refining plant as claimed in claim 1 is characterized in that described water inlet pipe (1) upward is connected with inlet gage (19) by valve one (18).
3. electric generator inner cooling water catalytic deoxidation refining plant as claimed in claim 1 is characterized in that described rising pipe (8) upward is connected with discharge pressure table (21) by valve two (20).
4. electric generator inner cooling water catalytic deoxidation refining plant as claimed in claim 1 is characterized in that described catalytic deoxidation device (4) is the cylindrical container of being made by stainless steel, the nano-catalytic oxygen scavenger that interior dress is made by special process.
5. electric generator inner cooling water catalytic deoxidation refining plant as claimed in claim 1 is characterized in that described purification deionizer (6) is the cylindrical container of being made by stainless steel, and inside loads in mixture ion-exchanger.
6. electric generator inner cooling water catalytic deoxidation refining plant as claimed in claim 1, it is characterized in that described hydrogenation unit (5) is made of hydrogen cylinder (51), hydrogen reducing valve (52), minimum gas flow control valve (53), hydrogen flowmeter (54), vacuum breaker (55), hydrogenation pipeline (56), operation box (57), hydrogen cylinder (51), hydrogen reducing valve (52), minimum gas flow control valve (53), hydrogen flowmeter (54), vacuum breaker (55), hydrogenation pipeline (56) are connected in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492265U CN201678481U (en) | 2010-04-02 | 2010-04-02 | Catalytic deoxidization and purification device for internal cooling water of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492265U CN201678481U (en) | 2010-04-02 | 2010-04-02 | Catalytic deoxidization and purification device for internal cooling water of generator |
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| Publication Number | Publication Date |
|---|---|
| CN201678481U true CN201678481U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201492265U Expired - Lifetime CN201678481U (en) | 2010-04-02 | 2010-04-02 | Catalytic deoxidization and purification device for internal cooling water of generator |
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|---|---|
| CN (1) | CN201678481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925992A (en) * | 2015-06-11 | 2015-09-23 | 长沙理工大学 | Anti-corrosion method for inner cooling water system of engine |
-
2010
- 2010-04-02 CN CN2010201492265U patent/CN201678481U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925992A (en) * | 2015-06-11 | 2015-09-23 | 长沙理工大学 | Anti-corrosion method for inner cooling water system of engine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |
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| CX01 | Expiry of patent term |