CN209309968U - Oxygen-eliminating device water inlet complex front pre-heating system - Google Patents
Oxygen-eliminating device water inlet complex front pre-heating system Download PDFInfo
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- CN209309968U CN209309968U CN201822098057.6U CN201822098057U CN209309968U CN 209309968 U CN209309968 U CN 209309968U CN 201822098057 U CN201822098057 U CN 201822098057U CN 209309968 U CN209309968 U CN 209309968U
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- oxygen
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- eliminating device
- heat exchanger
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Abstract
The utility model discloses a kind of oxygen-eliminating device water inlet complex front pre-heating systems, including sweet-water tank, sweet-water tank is connected with gland steam heater through pipeline, and gland steam heater is connected with oxygen-eliminating device through pipeline, and the first heating unit and the second heating unit are parallel between oxygen-eliminating device and gland steam heater；First heating unit includes being discharged heat exchanger again through pipeline sequentially connectedization water sampling cooling device, lag cooler cooling device and lag cooler；Second heating unit includes the drain tank afterheat heat exchanger being sequentially connected through pipeline, determines exhaust vapour heat exchanger and moisturizing heater.The utility model has the characteristics that personal quantity of steam can be effectively reduced.
Description
Technical field
The utility model relates to a kind of oxygen-eliminating device water inlet systems, especially a kind of oxygen-eliminating device water inlet complex front preheating system
System.
Background technique
The steam power plant for the boiler for possessing high-voltage and ultra-high pressure above grade with technological progress, a batch gradually goes into operation, and is
Meet the boiler feed water dissolved oxygen requirement (≤7ug/L) being increasingly stringenter, higher-pressure deaerator starts to popularize, and higher-pressure deaerator goes out
The temperature of the more common oxygen-eliminating device of water increases, and keeps steam power plant's entirety thermal efficiency, feed temperature after leaving water temperature raising
It is synchronous to improve to 215 DEG C or more.The water inlet of existing higher-pressure deaerator generally uses demineralized water, and demineralized water is changed with lag cooler
Enter higher-pressure deaerator after heat, the temperature promotion of demineralized water is not high, can reach after needing demineralized water to be heated with steam
To set temperature, personal vapour is caused to increase significantly, influences steam output quantity, and then influence income.Therefore, existing technology exists
The larger problem of personal quantity of steam.
Utility model content
The purpose of the utility model is to provide a kind of oxygen-eliminating device water inlet complex front pre-heating systems.The utility model tool
There is the characteristics of capable of effectively reducing personal quantity of steam.
The complex front pre-heating system the technical solution of the utility model includes: oxygen-eliminating device is intake, including sweet-water tank, sweet-water tank
It is connected with gland steam heater through pipeline, gland steam heater is connected with oxygen-eliminating device through pipeline, between oxygen-eliminating device and gland steam heater simultaneously
It is associated with the first heating unit and the second heating unit；First heating unit includes cold through pipeline sequentially connectedization water sampling
But device, lag cooler cooling device and lag cooler are discharged heat exchanger again；Second heating unit includes through pipeline successively phase
Drain tank afterheat heat exchanger even determines exhaust vapour heat exchanger and moisturizing heater.
In oxygen-eliminating device above-mentioned water inlet complex front pre-heating system, the water outlet of moisturizing heater is through pipeline and oxygen-eliminating device
Water inlet is connected, and the water inlet of drain tank afterheat heat exchanger is connected through pipeline with the outlet of gland steam heater.
In oxygen-eliminating device water inlet complex front pre-heating system above-mentioned, change import and the gland steam heater of water sampling cooling device
Outlet through pipeline be connected, lag cooler water outlet reheating heat exchanger be connected through pipeline with oxygen-eliminating device.
In oxygen-eliminating device water inlet complex front pre-heating system above-mentioned, the air intake for determining exhaust vapour heat exchanger, which is connected with, determines row row
Steam pipe arranges exhaust pipe surely and is equipped with steam discharge safety valve and electronic exhaust valve.
In oxygen-eliminating device above-mentioned water inlet complex front pre-heating system, described determine exhaust vapour heat exchanger include shell, a shell left side
Right both ends are respectively equipped with left side plate and right end plate, and one group of heat exchanger tube is equipped between left side plate and right end plate, is equipped on the outside of left side plate
Left arc end socket, left arc end socket outer end are equipped with steam inlet, right end socket are equipped on the outside of right end plate, and the middle part in right end socket is equipped with
Water filtration separator, right end socket upper and lower ends are equipped with discharge nozzle, and right end socket inner bottom surface is equipped with cone-shaped collection slot, cone-shaped collection slot
Bottom is corresponding with discharge nozzle；The top of described shell one end is equipped with water inlet, and the lower section of the shell other end is equipped with discharge outlet；
One group is equipped between the water inlet and discharge outlet in the baffle plate being interspersed up and down, water inlet lower section is equipped with tilt distribution
Baffle.
In oxygen-eliminating device water inlet complex front pre-heating system above-mentioned, the buffer being fixed on baffle plate is equipped with below baffle
Structure；The buffer gear includes buffing pad, is equipped with buffer spring above buffing pad, baffle is located at the top of buffer spring；It is described
Baffle upper surface is equipped with arc convex.
Compared with prior art, the utility model through pipeline by sweet-water tank and gland steam heater, the first heating unit and
Second heating unit is connected, so that demineralized water successively passes through adding for gland steam heater, the first heating unit and the second heating unit
Heat treatment makes full use of the various waste heat of power plant itself to improve each road inflow temperature of oxygen-eliminating device, reduces heat wave to greatest extent
Take, improve energy utilization rate, personal vapour is reduced, so as to effectively improve the output quantity of steam.In conclusion the utility model
Have the characteristics that personal quantity of steam can be effectively reduced.
In addition, the utility model determines exhaust vapour heat exchanger by shell, left side plate, right end plate, heat exchanger tube, left arc end socket
It is constituted with components such as right end sockets, by the way that the baffle of tilt distribution is arranged below water inlet, buffer gear is arranged in side under the baffle,
Buffer function can not only be effectively played, reducing influences caused by water impact exchange heat pipe, while again by buffer gear
It can play the role of buffering and protection to baffle；Moreover, both can be reduced water flow by the way that arc convex is arranged in baffle upper surface
Impact force, and the purpose of guiding can be played to water flow, convenient for being evenly distributed with for water inlet.By being respectively arranged in right end socket upper and lower ends
One discharge nozzle, and be mutually separated by water filtration separator, it is advantageous for the quick discharge of gas in this way.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram for determining exhaust vapour heat exchanger；
Fig. 3 is the partial enlarged view of Fig. 2.
The label in accompanying drawing is: 1- sweet-water tank, 2- gland steam heater, 3- oxygen-eliminating device, 4-ization water sampling cooling device, 5-
Lag cooler cooling device, heat exchanger, 7- drain tank afterheat heat exchanger, 8- determine exhaust vapour heat exchanger, 9- to the water outlet of 6- lag cooler again
Moisturizing heater, 801- shell, 802- left side plate, 803- right end plate, 804- heat exchanger tube, the left arc end socket of 805-, 806- steam
Import, the right end socket of 807-, 808- water filtration separator, 809- discharge nozzle, 810- cone-shaped collection slot, 811- water inlet, 812- draining
Mouthful, 813- baffle plate, 814- baffle, 815- buffing pad, 816- buffer spring, 817- arc convex.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.Oxygen-eliminating device water inlet complex front pre-heating system, constitutes as shown in Figure 1 to Figure 3, including sweet-water tank 1, removes
Brine tank 1 is connected with gland steam heater 2 through pipeline, and gland steam heater 2 is connected with oxygen-eliminating device 3 through pipeline, and oxygen-eliminating device 3 and packing add
The first heating unit and the second heating unit are parallel between hot device 2；First heating unit includes being sequentially connected through pipeline
Change water sampling cooling device 4, lag cooler cooling device 5 and lag cooler be discharged reheating heat exchanger 6；The second heating unit packet
It includes the drain tank afterheat heat exchanger 7 being sequentially connected through pipeline, determine exhaust vapour heat exchanger 8 and moisturizing heater 9.
The water outlet of moisturizing heater 9 is connected through pipeline with the water inlet of oxygen-eliminating device 3, drain tank afterheat heat exchanger 7 into
The mouth of a river is connected through pipeline with the outlet of gland steam heater 2.
The import for changing water sampling cooling device 4 is connected with the outlet of gland steam heater 2 through pipeline, and lag cooler water outlet reheating is changed
Hot device 6 is connected through pipeline with oxygen-eliminating device 3.
The air intake for determining exhaust vapour heat exchanger 8, which is connected with, determines row's gland steam exhauster, surely arrange exhaust pipe be equipped with steam discharge safety valve with
Electronic exhaust valve.
It is described determine exhaust vapour heat exchanger 8 include shell 801,801 left and right ends of shell are respectively equipped with left side plate 802 and right end
Plate 803 is equipped with one group of heat exchanger tube 804, is equipped with left arc end socket on the outside of left side plate 802 between left side plate 802 and right end plate 803
805, left 805 outer end of arc end socket is equipped with steam inlet 806, is equipped with right end socket 807 on the outside of right end plate 803, in right end socket 807
Middle part is equipped with water filtration separator 808, and right 807 upper and lower ends of end socket are equipped with discharge nozzle 809, and 807 inner bottom surface of right end socket is equipped with
Cone-shaped collection slot 810,810 bottom of cone-shaped collection slot are corresponding with discharge nozzle 809；The top of described 801 one end of shell is equipped with
The lower section of water inlet 811,801 other end of shell is equipped with discharge outlet 812；One is equipped between the water inlet 811 and discharge outlet 812
Group is in the baffle plate 813 being interspersed up and down, and the baffle 814 of tilt distribution is equipped with below water inlet 811.
The buffer gear being fixed on baffle plate 813 is equipped with below baffle 814；The buffer gear includes buffing pad 815,
Buffer spring 816 is equipped with above buffing pad 815, baffle 814 is located at the top of buffer spring 816；814 upper surface of baffle is set
There is arc convex 817.
The air intake for determining exhaust vapour heat exchanger, which is connected with, determines row's gland steam exhauster, arranges exhaust pipe surely and is equipped with steam discharge safety valve and electricity
Dynamic exhaust valve, more than electronic exhaust valve and steam discharge safety valve is automatically turned on after rated operating pressure, Lai Gongtong ensures to run
Safety.
The course of work of the utility model: demineralized water in sweet-water tank through pipeline and be pumped into gland steam heater plus
Heat is sent into oxygen-eliminating device and is used then respectively after the first heating unit and the second heating unit heats.First heating unit
Heating process is after demineralized water the being pumped into water sampling cooling device preheating after tentatively heating, to be re-fed into cold slag
The heat that boiler slag removal system is absorbed in machine cooling device, finally enters lag cooler return water heat exchanger again, utilizes pneumatic pump richness
Enter oxygen-eliminating device after remaining steam discharge heating, it is ensured that each road inflow temperature of oxygen-eliminating device is close to 100 DEG C.
The heating process of second heating unit: the demineralized water after tentatively heating is pumped up into drain tank afterheat heat exchanger
After heating, enters back into and determine the absorption of exhaust vapour heat exchanger and determine to finally enter moisturizing heater after heat exhaust improves desalination coolant-temperature gage, it is sharp
100 DEG C, which are heated to, with pneumatic pump steam discharge enters oxygen-eliminating device.
Heat exchanger is hydrophobic to be discharged into master control room and office building floor heating heat exchange system, heats for production and office building, avoids winter
Open air-conditioning heating power consumption.
Determine the heat transfer process of exhaust vapour heat exchanger: steam enters left arc end socket from steam inlet, and enters heat exchanger tube, removes
Salt water enters enclosure interior from the water inlet of shell upper end, is in contact with heat exchanger tube, carries out heat exchange, and demineralized water is acted in hydraulic pressure
Under, the intracorporal baffle plate of shell is flowed through, is discharged from discharge outlet；Steam after heat exchange is discharged from heat exchange pipe end, condensed water
It is discharged from lower discharge nozzle, corresponding position gas is discharged from the discharge nozzle of upper and lower ends, i.e. the gas of water filtration separator upper end
It is discharged from the discharge nozzle of upper end, the gas of water filtration separator lower end is discharged from the discharge nozzle of lower end, and the condensed water of upper end is then
It is dripped from water filtration separator, the discharge nozzle discharge through lower end.
Claims (6)
- The complex front pre-heating system 1. oxygen-eliminating device is intake, it is characterised in that: including sweet-water tank (1), sweet-water tank (1) is through pipeline It is connected with gland steam heater (2), gland steam heater (2) is connected with oxygen-eliminating device (3) through pipeline, oxygen-eliminating device (3) and gland steam heater (2) the first heating unit and the second heating unit are parallel between；First heating unit includes sequentially connected through pipeline Change water sampling cooling device (4), lag cooler cooling device (5) and lag cooler and is discharged heat exchanger (6) again；Second heating is single Member includes the drain tank afterheat heat exchanger (7) being sequentially connected through pipeline, determines exhaust vapour heat exchanger (8) and moisturizing heater (9).
- The complex front pre-heating system 2. oxygen-eliminating device according to claim 1 is intake, it is characterised in that: moisturizing heater (9) Water outlet be connected through pipeline with the water inlet of oxygen-eliminating device (3), the water inlet of drain tank afterheat heat exchanger (7) is through pipeline and packing The outlet of heater (2) is connected.
- The complex front pre-heating system 3. oxygen-eliminating device according to claim 1 is intake, it is characterised in that: change the cooling dress of water sampling The import for setting (4) is connected with the outlet of gland steam heater (2) through pipeline, lag cooler water outlet again heat exchanger (6) through pipeline with remove Oxygen device (3) is connected.
- The complex front pre-heating system 4. oxygen-eliminating device according to claim 1 is intake, it is characterised in that: determine exhaust vapour heat exchanger (8) air intake, which is connected with, determines row's gland steam exhauster, arranges exhaust pipe surely and is equipped with steam discharge safety valve and electronic exhaust valve.
- The complex front pre-heating system 5. oxygen-eliminating device according to claim 1 is intake, it is characterised in that: described to determine exhaust vapour and change Hot device (8) includes shell (801), and shell (801) left and right ends are respectively equipped with left side plate (802) and right end plate (803), left side plate (802) it is equipped with one group of heat exchanger tube (804) between right end plate (803), is equipped with left arc end socket (805) on the outside of left side plate (802), Left arc end socket (805) outer end is equipped with steam inlet (806), is equipped with right end socket (807) on the outside of right end plate (803), right end socket (807) middle part in is equipped with water filtration separator (808), and right end socket (807) upper and lower ends are equipped with discharge nozzle (809), and right envelope Head (807) inner bottom surface is equipped with cone-shaped collection slot (810), and cone-shaped collection slot (810) bottom is corresponding with discharge nozzle (809)；Institute The top for stating shell (801) one end is equipped with water inlet (811), and the lower section of shell (801) other end is equipped with discharge outlet (812)；Institute It states and is equipped with one group between water inlet (811) and discharge outlet (812) in the baffle plate (813) being interspersed up and down, water inlet (811) Lower section is equipped with the baffle (814) of tilt distribution.
- The complex front pre-heating system 6. oxygen-eliminating device according to claim 1 is intake, it is characterised in that: below baffle (814) Equipped with the buffer gear being fixed on baffle plate (813)；The buffer gear includes buffing pad (815), buffing pad (815) top Equipped with buffer spring (816), baffle (814) is located at the top of buffer spring (816)；Baffle (814) upper surface is equipped with arc Shape protrusion (817).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098057.6U CN209309968U (en) | 2018-12-14 | 2018-12-14 | Oxygen-eliminating device water inlet complex front pre-heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098057.6U CN209309968U (en) | 2018-12-14 | 2018-12-14 | Oxygen-eliminating device water inlet complex front pre-heating system |
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| Publication Number | Publication Date |
|---|---|
| CN209309968U true CN209309968U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822098057.6U Active CN209309968U (en) | 2018-12-14 | 2018-12-14 | Oxygen-eliminating device water inlet complex front pre-heating system |
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| CN (1) | CN209309968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109532A (en) * | 2021-10-22 | 2022-03-01 | 中盐安徽红四方股份有限公司 | Steam seal cooling and recycling system of steam turbine |
-
2018
- 2018-12-14 CN CN201822098057.6U patent/CN209309968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109532A (en) * | 2021-10-22 | 2022-03-01 | 中盐安徽红四方股份有限公司 | Steam seal cooling and recycling system of steam turbine |
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