CN2773314Y - Desalted water recovering device of power plant - Google Patents
Desalted water recovering device of power plant Download PDFInfo
- Publication number
- CN2773314Y CN2773314Y CN 200520025344 CN200520025344U CN2773314Y CN 2773314 Y CN2773314 Y CN 2773314Y CN 200520025344 CN200520025344 CN 200520025344 CN 200520025344 U CN200520025344 U CN 200520025344U CN 2773314 Y CN2773314 Y CN 2773314Y
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Abstract
The utility model relates to a desalted water recovering device of a power plant, which is formed by connecting a casing body, water spacing boards, a ventilating valve, an exhaust valve and an observing valve, wherein the casing body presents a cuboid shape or a cylinder shape and both sides at the upper part of the casing body are respectively provided with a water inlet and a water outlet. Water spacing boards which are alternatively arranged in the casing body in the longitudinal direction in a staggered mode form a plurality of water passing cavity chambers, one side connected to the water inlet is a water inlet cavity chamber, one side connected to the water outlet is a water outlet cavity chamber, and simultaneously, the water spacing boards and gaps of an upper and a lower cover boards of the casing body form an upper water passing opening and a lower water passing opening. The top of the casing body, which corresponds to the upper part of each water passing cavity chamber, is respectively provided with the exhaust valve; the top of the casing body, which corresponds to the upper part of the water inlet cavity chamber, is provided with a ventilating valve; the top of the casing body, which corresponds to the water outlet cavity chamber, is provided with the observing valve at the lower end of the water outlet. The water outlet of the device is connected with a coagulator via an electric valve and a check valve, and a desalted water collecting box is connected with the water inlet of the device. The device does not need adding any energy sources. The vacuum degree of the coagulator is utilized to recover discharged desalted water, and water supplementing rate of a machine set is lowered. The utility model has the advantages of high efficiency, energy saving, environmental protection and safe and reliable operation.
Description
Technical field
The utility model relates to the power station energy saving device, particularly a kind of power station demineralized water recovering device.
Background technique
At present; in thermal power plant steam turbine, the boiler shop; have the demineralized water of quite a few can recycling, as the piston of the mechanical seal water backwater of feed water pump, the pump seal water that condenses, high-pressure heater protection water three-way valve sluice down, the protection water piston of hydraulic pressure extraction check valve and high row's check valve sluices down etc.But, can not unify usually to reclaim, so these can waste through softening water owing to be subjected to condition restriction such as apparatus arrangement is more at random.Total displacement accounts for 0.15～0.23% of steam output, and so the big water yield if can effectively reclaim, and will reduce the make-up water percentage of unit greatly.There is following drawback in the demineralized water way of recycling that existing domestic power station adopts usually:
1, mechanical water pump sealing cooling water directly enters coagulator.Because feed water pump mechanical seal cooling water system more complicated, water return pipeline directly is connected with coagulator, in case vacuum and the vacuum tightness that situations such as system defect, misoperation will seriously jeopardize unit occur, directly influences the water of condensation dissolved oxygen.
2, the draw gas sluicing of protection check valve, high row's protection check valve protection water directly is discharged to the dewatering capacity-enlarging device.Because the rod seal of hydraulic pressure protection safety check is unreliable; sealing too tightly influences the reliability of closing of safety check; many tame power plant exist when vacuum system is poured water leak detection leaks along piston rod; when unit operation, then enter vacuum system, influence vacuum tightness and dissolved oxygen content along the blank gas of piston rod.
3, set up lower water box, all recoverable demineralized waters are discharged in the water tank, being boosted by water pump is transported to chemical workshop and utilizes again.This systems bulky, complexity, water pump itself also will have cooling water, valve etc., and all will keep in repair water pump and valve every year, and workload is big.It is big that water tank occupies the space, and influence is carried out production strictly in line with rules and regulations.Two water pumps increase the unit power consumption, are unfavorable for saving energy and reduce the cost.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of energy-efficient, safe and reliable, non-maintaining power station demineralized water recovering device is provided.
The technological scheme that the utility model adopted is for achieving the above object: a kind of power station demineralized water recovering device, it is characterized in that by housing, water-stop sheet, vent valve, outlet valve and inspecting valve connect and compose, rectangular body of housing or cylindrical body, its both sides, top are respectively equipped with water intake and water outlet, the staggered water-stop sheet that is provided with of longitudinal separation forms each water flowing chamber in the housing, connect water intake one side and be the water inlet chamber, connecting water outlet one side is the water outlet chamber, water-stop sheet and housing form top inlet and bottom inlet respectively in the gap of cover plate up and down simultaneously, the corresponding water flowing chamber of case top top is respectively equipped with outlet valve, corresponding water inlet chamber top is provided with vent valve, corresponding water outlet chamber and be positioned at the water outlet lower end and be provided with inspecting valve; The device water outlet connects coagulator, demineralized water collector connection set water intake by electric valve, safety check.
The utility model has the advantages that: this apparatus structure is simple, easy for installation, and finishing once Installation and Debugging does not need to carry out any manual operation again; Without any need for additional source of energy such as water pump, motor etc., utilize the condenser vacuum degree to reclaim the demineralized water of nature discharging, reduce the unit make-up water percentage, than water tank, water pump, fluviograph, electric gate valve being set usually, economizing on the use of funds; High-efficient energy-saving environment friendly reduces maintenance and improves the water of condensation quality; Except that valve, there is not other movable part, safe and reliable to operation; And help the realization discharging of ground, steam turbine production area, and improve the manufacturing shop environmental quality, accelerate the process of carrying out production strictly in line with rules and regulations.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that connection diagram is installed by the utility model and system.
Among the figure: 1 water intake, 2 water inlet chambers, 3 housings, 4 bottom inletes, 5 water outlet chambers, 6 top inletes, 7 vent valves, 8 outlet valves, 9 inspecting valves, 10 water outlets, 11 water-stop sheets, 12 water flowing chambers, 13 coagulators, 14 electric valves, 15 safety check, 16 collectors.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, details are as follows to embodiment, structure, feature that foundation the utility model provides:
As Fig. 1, shown in Figure 2, this device is by housing 3, water-stop sheet 11, vent valve 7, outlet valve 8 and inspecting valve 9 connect and compose, housing 3 rectangular body or cylindrical bodys, its both sides, top are respectively equipped with water intake 1 and water outlet 10, the staggered water-stop sheet that is provided with 11 of longitudinal separation forms each water flowing chamber 12 in the housing 3, connect water intake 1 one sides and be water inlet chamber 2, connecting water outlet 10 1 sides is water outlet chamber 5, water-stop sheet 11 forms top inlet 6 and bottom inlet 4 respectively with the gap of housing cover plate about in the of 3 simultaneously, corresponding water flowing chamber 12 tops, housing 3 tops are respectively equipped with outlet valve 8, corresponding water inlet chamber 2 tops are provided with vent valve 7, corresponding water outlet chamber 5 and be positioned at water outlet 10 lower ends and be provided with inspecting valve 9; Device water outlet 10 connects coagulator 13, demineralized water collector 16 connection set water intakes 1 by electric valve 14, safety check 15.
Described water-stop sheet 11, vent valve 7, outlet valve 8 and inspecting valve 9 are connected to one with housing 3 respectively.Can adopt welding, bonding, flange to connect in the enforcement and finish, must guarantee that seepage does not appear in all connection parts.
Described vent valve 7 also can be made as breathing pipe or vent.
This device is typically provided with a vent valve 7, an inspecting valve 9, many outlet valves 8.The effect of inspecting valve 9, outlet valve 8 is to open observation when device is carried out Installation and Debugging, will thoroughly close behind the Installation and Debugging end-of-job, allows anything but to open.Vent valve 7 is opened when the normal operation of device all the time, guarantees that water and the atmosphere in the water inlet chamber 2 connected.
As shown in Figure 2, this device is to utilize the pressure difference that exists between coagulator 13 and the device portal to carry out work, is applicable to that all have the Thermal Power Station of condensing steam turbine generator group, as thermal power plant, nuclear power station etc.This device can be installed needs according to the scene, and housing 3 can design to produce and be cuboid, cylindrical body or other profile.
Because device is installed in factory inside, and will bear the static pressure of water seal water, parts such as the housing 3 in the device, water-stop sheet 11 can adopt material such as low-carbon (LC) steel or stainless steel to be formed by fixedly connecting, and preferably stainless steel materials is better.According to capacity and on-the-spot position difference, the profile of device has plurality of specifications, and many kinds of 700mm～1200mm are highly arranged.
This device running principle: before device put into operation, vent valve 7 was opened, and inspecting valve 9 and outlet valve 8 are all reliably closed, and have high vacuum in the coagulator 13.The demineralized water that needs to reclaim enters into into water chamber 2 via water intake 1, and the demineralized water in the water inlet chamber 2 enters the first water flowing chamber 12 via bottom inlet 4, enters into next water flowing chamber 12 through top inlet 6 again, by that analogy.Enter into water outlet chamber 5 and be full of this chamber up to the bottom inlet 4 of water via afterbody.Because the existence of pressure reduction between the demineralized water recovering device gateway, demineralized water is under the effect of this pressure reduction at this moment, and the pipe special through water outlet 10 and connection thereof is drained in the coagulator 13, and this demineralized water obtains reclaiming.This device is that the demineralized water unification that utilizes coagulator 13 vacuum will need to reclaim is discharged into thermodynamic system, directly participates in thermodynamic cycle, this demineralized water recovering device without any need for additional source of energy, do not need to handle again to chemical workshop; Reduce maintenance fund and maintenance workload, reduce the power station electricity consumption.The water that needs to reclaim is discharged in the collector 16 through pipe special, pass through in the designated lane injection device by collector 16 again, because the existence of pressure reduction between this device and the coagulator 13, demineralized water reclaims from flowing to coagulator 13 under this differential pressure action, reaches the purpose that draining is reclaimed.
When not having demineralized water to enter collector 16, because therefore the existence of water seal can not impact the operation of coagulator 13 yet.When coagulator 13 was out of service, the demineralized water of this moment can reclaim also and can emit by overflow by the recovering device of discharge of pipes to adjacent unit.
In order to guarantee the operational reliability of Turbo-generator Set, protective system action when the unit vacuum drops to certain value, self-closing device outlet electric valve 14.Outlet electric valve 14 is opened automatically when vacuum values is recovered, and this device puts into operation automatically.
Claims (3)
1, a kind of power station demineralized water recovering device, it is characterized in that by housing, water-stop sheet, vent valve, outlet valve and inspecting valve connect and compose, rectangular body of housing or cylindrical body, its both sides, top are respectively equipped with water intake and water outlet, the staggered water-stop sheet that is provided with of longitudinal separation forms each water flowing chamber in the housing, connect water intake one side and be the water inlet chamber, connecting water outlet one side is the water outlet chamber, water-stop sheet and housing form top inlet and bottom inlet respectively in the gap of cover plate up and down simultaneously, the corresponding water flowing chamber of case top top is respectively equipped with outlet valve, corresponding water inlet chamber top is provided with vent valve, corresponding water outlet chamber and be positioned at the water outlet lower end and be provided with inspecting valve; The device water outlet connects coagulator, demineralized water collector connection set water intake by electric valve, safety check.
2, power station according to claim 1 demineralized water recovering device is characterized in that described water-stop sheet, vent valve, outlet valve and inspecting valve are connected to one with housing respectively.
3, power station according to claim 1 demineralized water recovering device is characterized in that described vent valve also can be made as breathing pipe or vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025344 CN2773314Y (en) | 2005-03-04 | 2005-03-04 | Desalted water recovering device of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025344 CN2773314Y (en) | 2005-03-04 | 2005-03-04 | Desalted water recovering device of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773314Y true CN2773314Y (en) | 2006-04-19 |
Family
ID=36708578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520025344 Expired - Lifetime CN2773314Y (en) | 2005-03-04 | 2005-03-04 | Desalted water recovering device of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2773314Y (en) |
-
2005
- 2005-03-04 CN CN 200520025344 patent/CN2773314Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN HAICHUAN ELECTRIC POWER TECHNOLOGY CO., LT Free format text: FORMER OWNER: LIU SONGBIN Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: No. 11, refractory Road, No. 1 bridge, Hedong District, Tianjin, China: 300180 Patentee after: Tianjin Haichuan Electric Power Technology Co., Ltd. Address before: No. 5, telex super Road, No. two, Hedong Road, Hedong District, Tianjin, 227, zip code: 300180 Patentee before: Liu Songbin |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150304 Granted publication date: 20060419 |