CN204918047U - Efficiency of deoxidization is improved oxygen -eliminating device - Google Patents
Efficiency of deoxidization is improved oxygen -eliminating device Download PDFInfo
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- CN204918047U CN204918047U CN201520670857.4U CN201520670857U CN204918047U CN 204918047 U CN204918047 U CN 204918047U CN 201520670857 U CN201520670857 U CN 201520670857U CN 204918047 U CN204918047 U CN 204918047U
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Abstract
The utility model relates to an efficiency of deoxidization is improved oxygen -eliminating device, the utility model discloses be provided with the header tank, the header tank passes through condensation water pipe connected to deoxidization head, sets up two above comdenstion water inlet tubes on the header tank. Being provided with automatic control device, being provided with the automatic control valve on the two -stage process vapour pipe, be provided with pressure measurement on the oxygen -eliminating device water tank, automatic control device is connected with automatic control valve and pressure measurement respectively. Be provided with two above branch pipes on the feed pipe, including main inlet tube and continuous inlet tube, the drain trap is connected through hydrophobic inlet tube and deoxidization head, and hydrophobic inlet tube merges on the first nozzle of deoxidization with the feed pipe. U -shaped overflow sealed tube is connected with the drain trap. The utility model discloses can improve deaerating effect, the operation of use equipment is more stable.
Description
Technical field
The utility model relates to a kind of deoxygenator, especially a kind of high-efficiency degasification device.
Background technology
In oiler feed treatment process process, deoxygenation is a very crucial link.Oxygen is the essential substance causing water feeding system and boiler plant to be corroded, feedwater is soft water, oxygen in feedwater should effectively be removed, otherwise it can corrode water feeding system and the heating part of boiler, corrosion product ferric oxide can enter in pot, deposits or is attached on boiler tube wall and heating surface, is formed hard to tolerate and iron that is that conduct heat bad is dirty, and corrosion can cause inner-walls of duct appearance point to cheat, resistance coefficient increases.When corrosive pipeline is serious, even can there is pipeline explosion hazard.The all required deoxygenation of hot water boiler of the steam boiler of national regulation Zheng Fa Liang≤2T/h and Shui Wen≤95 DEG C.
Affect the factor of deaerating effect:
1, feed water underheating: after feedwater is heated to the work temperature of saturation under deoxygenation pressure, being precipitated of the oxygen in water, if there is underheating, or heats uneven, and deaerating effect will be made to worsen.
2, enough large carbonated drink contact area and uneven pressure reduction to be had, create the mass transfer condition that gas is emanated in water.
3, prevent feedwater from directly entering into deaerator storage tank.
Existing deoxygenator deficiency is mainly manifested in:
1, carbonated drink contact area is not enough, is mainly manifested in shower nozzle and fails more completely that water is dispersed.
2, the input flow rate fluctuation of condensed water, causes the temperature fluctuation of feedwater heating, affects deaerating effect.
3, deoxygenator pressure fluctuating in inner, the input pressure being mainly manifested in two sections of vapour pipes needs not mate with deoxygenator internal pressure.
4, the feedwater work of water service pipe 4 is interval type, needs just to open water service pipe moisturizing during moisturizing, closes water service pipe moisturizing completely afterwards at deaerator storage tank water, and this interruption supplementary feed causes thermal equilibrium unstable, the deaerating effect caused.
5, adopt soft water as sealing water, seal U-shaped overflow sealed tube, soft water is easily taken directly deaerator storage tank.
Above various deficiencies, affect deaerating effect.
Utility model content
In order to overcome the above problems, improve deaerating effect, the utility model provides a kind of deoxygenator improving oxygen removal efficiency.
Deoxygenator of the present utility model comprises deaerator storage tank, drain tank, deoxygenation head; And water service pipe 4, condensate pipe 8, two sections of vapour pipes 6, the deoxygenation head nozzle 2 on deoxygenation head, and the U-shaped overflow sealed tube 10 on deaerator storage tank.The utility model is also provided with header tank 7, and header tank is connected to deoxygenation head by condensate pipe 8, header tank is arranged at least two water of condensation water inlet pipes 9.
Also be provided with automatic control device.Two sections of described vapour pipes 6 are provided with Self controlling valve.Deaerator storage tank is provided with pressure-detecting device, and automatic control device is connected with Self controlling valve and pressure-detecting device respectively.
Be provided with 18 ~ 25 deoxygenation head nozzles 2.
Water service pipe 4 is provided with at least two arms, comprises main water inlet tube 3 and continuum micromeehanics pipe 5; Main water inlet tube and continuum micromeehanics pipe all arrange electrically operated valve.
Drain tank is connected with deoxygenation head by hydrophobic water inlet pipe 1, and hydrophobic water inlet pipe and water service pipe are merged on deoxygenation head nozzle 2.
U-shaped overflow sealed tube 10 is connected with drain tank.Or U-shaped overflow sealed tube 10 is connected with header tank 7.
Main water inlet tube with continuum micromeehanics pipe arrange electrically operated valve be all connected with automatic control device.
the beneficial effects of the utility model:
U-shaped overflow sealed tube is connected with drain tank or header tank, provides sealing by hydrophobic or condensed water, so just prevents soft water from directly entering deaerator storage tank, improves feed water quality.
Drain tank is linked into deoxygenation head, even if there is soft water to enter deoxygenator by drain tank like this, also by the deoxygenation water tank entered after deoxygenation head heating deoxygenation, is unlikely to affect feed water quality.
The nozzle of oxygen head has 18 ~ 25, improves the homogeneity of spray effect and heating.
Add header tank, header tank can be connected with multiple solidifying wetting system, by collecting of individual header tank, can reduce the fluctuating range of the condensing water temperature entering deoxygenator.
Valve on two sections of vapour pipes adopts and automatically controls, and automatically regulates aperture according to the change of deoxygenator internal pressure, thus ensures that deoxygenator internal pressure remains average.
Water service pipe is arranged a main water inlet tube and a continuum micromeehanics pipe, when normally operation rate of water make-up is little at ordinary times, adopt the continuous moisturizing of continuum micromeehanics pipe, the thermal equilibrium avoiding interruption moisturizing to cause is unstable.When needing a large amount of moisturizing, adopt main water inlet tube moisturizing.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
Deoxygenator of the present utility model comprises deaerator storage tank, drain tank, deoxygenation head; And the water service pipe 4 on deoxygenation head, condensate pipe 8, two sections of vapour pipes, 6,22 deoxygenation head nozzles, and the U-shaped overflow sealed tube 10 on deaerator storage tank.Header tank of the present utility model is connected to deoxygenation head by condensate pipe 8, header tank is arranged two water of condensation water inlet pipes 9.
An automatic control device is set in the utility model.Two sections of described vapour pipes 6 are provided with Self controlling valve.Deaerator storage tank is provided with pressure-detecting device, and automatic control device, with the treater of process chip, can refer to life according to programming transmission.Automatic control device is connected with Self controlling valve and pressure-detecting device respectively.
Water service pipe 4 is provided with two arms, comprises main water inlet tube 3 and continuum micromeehanics pipe 5; Main water inlet tube and continuum micromeehanics pipe all arrange electrically operated valve, and electrically operated valve is all connected with automatic control device, and complete the opening and closing of electrically operated valve by automatic control device.
Drain tank is connected with deoxygenation head by hydrophobic water inlet pipe 1, and hydrophobic water inlet pipe and water service pipe are merged on deoxygenation head nozzle 2.
U-shaped overflow sealed tube 10 is connected with drain tank or is connected with header tank 7.U-shaped overflow sealed tube 10 is connected with drain tank.By drain tank for U-shaped overflow sealed tube provides sealing water.
In order to strengthen deaerating effect further, the water temperature of deoxygenator brings up to 106 degrees centigrade by original 100 degrees Celsius.Pressure 0.025---0.035MPa.The water lev el control of deoxygenator is at 1/2 to 2/3 place.
Deoxygenator is run according to following program:
1) deoxygenator prepares water inlet.
2) use softened water pump to deoxygenator moisturizing to 2/3 place, run deoxygenator to normal.
3) when deoxygenator parameters is qualified, the Self controlling valve on two sections of vapour pipes is switched to automatic control.
4) monitor pressure, temperature, water level and automatically regulate situation, as found automatic exception, should change immediately is manual regulation automatically.
5) when normally operation rate of water make-up is little at ordinary times, continuum micromeehanics pipe 5 is adopted to carry out continuous moisturizing.Flow during continuum micromeehanics pipe 5 standard-sized sheet is 20T/h, is far smaller than the processing power of deoxygenator 40T/h, effectively can avoid being interrupted the unstable and phenomenon that deaerating effect that is that cause is bad of the thermal equilibrium that causes of moisturizing like this.When a large amount of moisturizing of needs, open main water inlet tube 3 supplementary feed, reduce once system confluent, close main water inlet tube 3 moisturizing, continue to use the continuous moisturizing of continuum micromeehanics pipe 5.
The utility model result of use is added up:
It is more than exemplary illustration.
Claims (3)
1. improve a deoxygenator for oxygen removal efficiency, comprise deaerator storage tank, drain tank, deoxygenation head; And water service pipe (4) on deoxygenation head, condensate pipe (8), two sections of vapour pipes (6), deoxygenation head nozzle (2), and the U-shaped overflow sealed tube (10) on deaerator storage tank, is characterized in that:
Also be provided with header tank (7), header tank is connected to deoxygenation head by condensate pipe (8), header tank is arranged at least two water of condensation water inlet pipes (9);
Also be provided with automatic control device; Two sections of vapour pipes (6) are provided with Self controlling valve; Deaerator storage tank is provided with pressure-detecting device, and automatic control device is connected with Self controlling valve and pressure-detecting device respectively;
Be provided with 18 ~ 25 deoxygenation head nozzles (2);
(4) are provided with at least two arms with water service pipe, comprise main water inlet tube (3) and continuum micromeehanics pipe (5); Main water inlet tube and continuum micromeehanics pipe all arrange electrically operated valve;
Drain tank is connected with deoxygenation head by hydrophobic water inlet pipe (1), and hydrophobic water inlet pipe and water service pipe (4) are merged on deoxygenation head nozzle (2);
U-shaped overflow sealed tube (10) is connected with drain tank.
2. a kind of deoxygenator improving oxygen removal efficiency as claimed in claim 1, is characterized in that, U-shaped overflow sealed tube (10) is connected with header tank (7).
3. a kind of deoxygenator improving oxygen removal efficiency as claimed in claim 1, is characterized in that, main water inlet tube with continuum micromeehanics pipe arrange electrically operated valve be all connected with automatic control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670857.4U CN204918047U (en) | 2015-09-01 | 2015-09-01 | Efficiency of deoxidization is improved oxygen -eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670857.4U CN204918047U (en) | 2015-09-01 | 2015-09-01 | Efficiency of deoxidization is improved oxygen -eliminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204918047U true CN204918047U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520670857.4U Expired - Fee Related CN204918047U (en) | 2015-09-01 | 2015-09-01 | Efficiency of deoxidization is improved oxygen -eliminating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204918047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234171A (en) * | 2021-12-02 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Deaerator pressure control method |
-
2015
- 2015-09-01 CN CN201520670857.4U patent/CN204918047U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234171A (en) * | 2021-12-02 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Deaerator pressure control method |
| CN114234171B (en) * | 2021-12-02 | 2023-12-05 | 中国船舶重工集团公司第七0三研究所 | Deaerator pressure control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160901 |