CN203421670U - Safety pressure-relief boiler oxygen remover - Google Patents
Safety pressure-relief boiler oxygen remover Download PDFInfo
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- CN203421670U CN203421670U CN201320414888.4U CN201320414888U CN203421670U CN 203421670 U CN203421670 U CN 203421670U CN 201320414888 U CN201320414888 U CN 201320414888U CN 203421670 U CN203421670 U CN 203421670U
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Abstract
The utility model relates to a safety pressure-relief boiler oxygen remover, and belongs to the technical field of heat energy of boilers. The safety pressure-relief boiler oxygen remover comprises a water storage tank and an oxygen-removal head, wherein the water storage tank is provided with a steam inlet, an oxygen-removal water outlet and a safety valve, and the oxygen-removal head is provided with a supplemental water inlet and an oxygen-removal exhaust valve. The safety pressure-relief boiler oxygen remover further comprises a U-shaped water seal connected with the upper portion of the water storage tank and a water supplement pump, wherein the water supplement pump is connected with the other end of the U-shaped water seal. The safety pressure-relief boiler oxygen remover adopting the technical scheme can eliminate safety risks of equipment, and achieve safe production of boilers.
Description
Technical field
The utility model belongs to boiler heat-energy technical field, is specifically related to a kind of safety relief boiler feed.
Background technology
Oxygen-eliminating device equipment is one of equipment indispensable in boiler feedwater heat regenerative system, and its Main Function is oxygen and other incondensable gas of removing in boiler feedwater, to guarantee the quality of feedwater.If oxygen in water gas, will make the metal contacting with water be corroded, if there is gas to build up simultaneously in heat exchanger, the thermal resistance that makes to conduct heat is increased, reduce the heat-transfer effect of equipment.Therefore it is all disadvantageous in water, being dissolved with any gas, oxygen especially, and it will directly threaten the safe operation of equipment.
Existing thermal deaerator comprises deoxygenation head and storage tank, and storage tank is provided with heating steam import and deaerated water outlet, and deoxygenation head is provided with make-up water entrance and deoxygenation air bleeding valve.During use, make-up water is heated Steam Heating in deoxygenation head, and along with the rising of feed water temperature, the oxygen and other incoagulable gas that are dissolved in the inside are overflowed from water, together with steam, with the form of exhaust steam, by deoxygenation air bleeding valve, drain together.If but boiler feed temperature or pressure transient, in addition heating steam enters, the pressure of oxygen-eliminating device inside can change thereupon, when pressure surpasses safe range, by the overpressure protection apparatus of being located on storage tank, discharge internal pressure, the overpressure protection apparatus of traditional boiler feed is safety valve, but because long-time safety valve is failure to actuate and is made the easy adhesion of safety valve spool, or safety valve does not just return seat after sometimes moving, do not have overpressure protection effect, very easily there is safety failure, maintainer is high to the frequency of maintenance of faulty equipment, and waste time and energy, and then affect the normal production of boiler.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of abatement apparatus potential safety hazard, realizes the safety relief boiler feed that boiler safety is produced.
In order to solve the problems of the technologies described above, the utility model provides a kind of safety relief boiler feed, comprises storage tank and deoxygenation head, and described storage tank is provided with steam inlet, deaerated water outlet and safety valve; Described deoxygenation head is provided with make-up water entrance and deoxygenation air bleeding valve, wherein, also comprises the U-shaped water seal and the small pump that are connected to described storage tank top, and described small pump is connected with the other end of this U-shaped water seal.
Adopt the beneficial effect of the safety relief boiler feed of technique scheme: owing to being connected with U-shaped water seal on storage tank, the junction of U-shaped water seal and storage tank is provided with stop valve, when boiler feed temperature or pressure transient, while causing the pressure of storage tank inside over safe range in conjunction with entering of heating steam, and when being located in the situation that the safety valve on storage tank do not work or break down, storage tank can make its internal pressure and U-shaped water seal pressure reach poised state by stop valve release portion pressure, also can play overpressure protection effect, prevent because of the excessive equipment fault causing of oxygen-eliminating device internal pressure, reduced the frequency of maintenance to faulty equipment.Therefore, by be located at safety valve on storage tank with for regulating the combination of the U-shaped water seal of storage tank inside water pressure, reached the effect of over-pressure safety device double insurance, reduced the frequency of maintenance to equipment, time saving and energy saving, save the working time, guaranteed the normal production of boiler, improved operating efficiency; Because U-shaped water seal is also connected with small pump, when the hydraulic pressure in U-shaped water seal reduces, small pump can be U-shaped water seal water replenishing timely, better to maintain the pressure equilibrium between storage tank and U-shaped water seal, small pump is automatic makeup water pump, can automatically regulate rate of water make-up by hydraulic pressure, having realized U-shaped water seal uninterruptedly supplies water, while having saved lack of water, the operation of hand switch valve, has realized automation, saves manpower.
As preferred version, consider U-shaped seal pipe inner itself have gas in addition in current contained unnecessary gas can amass at the top of U-shaped water seal trap because of the density that its density is less than water, thereby current can not be full of completely, affect the regulating effect of hydraulic pressure, unnecessary gas must be discharged, therefore the water crook, top of described U-shaped water seal is provided with air bleeding valve.
As preferred version, consider that U-shaped seal pipe contacts meeting for a long time and produces iron oxide at the inner surface of pipeline with water, it is so-called iron rust, when running up to a certain degree, iron rust can drop to from tube wall the bottom trap of U-shaped water seal, the deposition of iron rust can have influence on current pass through even block bottom trap, therefore the water crook, bottom of described U-shaped water seal is provided with blowoff valve.
As preferred version, consider that described U-shaped water seal and described storage tank junction are provided with stop valve for convenience is to the replacing of U-shaped water seal or maintenance.
As preferred version, consider that moisturizing pressure regulation timely can guarantee the normal operation of boiler work, described small pump is automatic makeup water pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment safety relief boiler feed.
Wherein: storage tank 1; Deoxygenation 2; Steam inlet 11; Deaerated water outlet 12; Safety valve 13; Deoxygenation 2; Make-up water entrance 21; Deoxygenation air bleeding valve 22; U-shaped water seal 3; Top trap 31; Air bleeding valve 32; Bottom trap 33; Blowoff valve 34; Stop valve 35; Small pump 4.
the specific embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are further illustrated:
As shown in Figure 1, a kind of safety relief boiler feed, comprises storage tank 1 and deoxygenation 2, and storage tank 1 is provided with steam inlet 11, deaerated water outlet 12 and safety valve 13; Deoxygenation 2 is provided with make-up water entrance 21 and deoxygenation air bleeding valve 22, wherein, also comprises the U-shaped water seal 3 and the small pump 4 that are connected to storage tank 1 top, and small pump 4 is connected with the other end of this U-shaped water seal 3.In addition, consider that U-shaped water seal 3 pipe interiors itself have gas, in addition in current, contained unnecessary gas can amass at the top of U-shaped water seal 3 trap 31 because of the density that its density is less than water, thereby current can not be full of completely, affect the regulating effect of hydraulic pressure, unnecessary gas must be discharged, therefore top trap 31 places of U-shaped water seal 3 are provided with air bleeding valve 32, consider because U-shaped water seal 3 pipelines contact meeting for a long time with water and produce iron oxide at the inner surface of pipeline, it is so-called iron rust, when running up to a certain degree, iron rust can drop to from tube wall the bottom trap 33 of U-shaped water seal 3, the deposition of iron rust can have influence on current pass through even block bottom trap 33, therefore bottom trap 33 places of U-shaped water seal 3 are provided with blowoff valve 34, consider for convenient the replacing of U-shaped water seal 3 or maintenance, U-shaped water seal 3 is provided with stop valve 35 with storage tank 1 junction, consider that moisturizing pressure regulation timely can guarantee the normal operation of boiler work, small pump 4 is automatic makeup water pump.
Before oxygen-eliminating device work, need to being full of water in U-shaped water seal 3 pipelines, pressure in assurance U-shaped water seal 3 and the balance of the pressure in storage tank 1, be in the process of U-shaped water seal 3 moisturizings, due to the air that contains unnecessary gas in current and contain in conjunction with U-shaped water seal 3 pipe interiors, because the density of air is less than the density of current, the air being overstock at U-shaped water seal 3 top traps 31 is got rid of by being located at the air bleeding valve 32 at this place, and current are full of U-shaped water seal 3 pipelines completely.During use, make-up water flows into deoxygenations 2 by being located at make-up water entrance 21 in deoxygenation 2, the heating steam that make-up water enters by the steam inlet 11 of being located on storage tank 1 is in a deoxygenation 2 interior heating, rising along with feed water temperature, the oxygen and other incoagulable gas that are dissolved in the inside are overflowed from water, together with steam, with the form of exhaust steam, by the deoxygenation air bleeding valve 22 of being located in deoxygenation 2, drain together.Pressure in storage tank 1 is because of boiler feed temperature or pressure transient, while causing the pressure of storage tank 1 inside over safe range in conjunction with entering of heating steam, being located at safety valve 13 on storage tank 1 can release portion pressure, make its internal pressure and U-shaped water seal 3 pressure reach poised state, when safety valve 13 breaks down, the partial pressure that storage tank 1 can discharge in storage tank 1 by stop valve 35 makes its internal pressure and U-shaped water seal 3 pressure reach poised state.
Consider because U-shaped water seal 3 pipelines contact meeting for a long time with water and produce iron oxide at the inner surface of pipeline, it is so-called iron rust, when running up to a certain degree, iron rust can drop to from tube wall the bottom trap 33 of U-shaped water seal 3, the deposition of iron rust can have influence on current pass through even block bottom trap 33, being located at the blowoff valve 34 at this place can discharge the impurity in current, guarantees the unobstructed of current.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; do not departing under the prerequisite of the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (5)
1. a safety relief boiler feed, comprises storage tank and deoxygenation head, and described storage tank is provided with steam inlet, deaerated water outlet and safety valve; Described deoxygenation head is provided with make-up water entrance and deoxygenation air bleeding valve, it is characterized in that: also comprise the U-shaped water seal and the small pump that are connected to described storage tank top, described small pump is connected with the other end of this U-shaped water seal.
2. safety relief boiler feed according to claim 1, is characterized in that: the water crook, top of described U-shaped water seal is provided with air bleeding valve.
3. safety relief boiler feed according to claim 2, is characterized in that: the water crook, bottom of described U-shaped water seal is provided with blowoff valve.
4. safety relief boiler feed according to claim 3, is characterized in that: described U-shaped water seal and described storage tank junction are provided with stop valve.
5. according to the safety relief boiler feed described in claim 1 or 4, it is characterized in that: described small pump is automatic makeup water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414888.4U CN203421670U (en) | 2013-07-12 | 2013-07-12 | Safety pressure-relief boiler oxygen remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414888.4U CN203421670U (en) | 2013-07-12 | 2013-07-12 | Safety pressure-relief boiler oxygen remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421670U true CN203421670U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414888.4U Expired - Fee Related CN203421670U (en) | 2013-07-12 | 2013-07-12 | Safety pressure-relief boiler oxygen remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454768A (en) * | 2019-08-05 | 2019-11-15 | 山西太钢不锈钢股份有限公司 | A kind of method of prolonged boiler water supply system service life |
-
2013
- 2013-07-12 CN CN201320414888.4U patent/CN203421670U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454768A (en) * | 2019-08-05 | 2019-11-15 | 山西太钢不锈钢股份有限公司 | A kind of method of prolonged boiler water supply system service life |
| CN110454768B (en) * | 2019-08-05 | 2020-12-04 | 山西太钢不锈钢股份有限公司 | Method for prolonging service life of boiler water supply system |
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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: 20140205 Termination date: 20180712 |