KR870003914Y1 - Water feed apparatus for steam boiler - Google Patents
Water feed apparatus for steam boiler Download PDFInfo
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- KR870003914Y1 KR870003914Y1 KR2019870004602U KR870004602U KR870003914Y1 KR 870003914 Y1 KR870003914 Y1 KR 870003914Y1 KR 2019870004602 U KR2019870004602 U KR 2019870004602U KR 870004602 U KR870004602 U KR 870004602U KR 870003914 Y1 KR870003914 Y1 KR 870003914Y1
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Abstract
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Description
제1도는 본 고안의 실시상태의 일례를 나타낸 블럭 다이아그램.1 is a block diagram showing an example of an embodiment of the present invention.
제2도는 본 고안의 인젝션노즐의 확대 단면도.2 is an enlarged cross-sectional view of the injection nozzle of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 상부급수탱크 2 : 하부급수탱크1: upper water supply tank 2: lower water supply tank
3 : 증기보일러 4 : 보충수탱크3: steam boiler 4: supplement water tank
5 : 고압응축수탱크 5' : 저압응축수탱크5: high pressure condensate tank 5 ': low pressure condensate tank
6,7 : 수위레벨 스위치 8,25 : 급수관6,7: level switch 8,25: water supply pipe
9 : 고압응축수 집수관 9' : 저압응축수 집수관9: high pressure condensate water collecting pipe 9 ': low pressure condensate water collecting pipe
10,10' : 에어변 12 : 보충수조절용 자동변10,10 ': Air valve 12: Automatic valve for refill water adjustment
13 : 자동급수 조절변 14 : 냉각수 조절스위치13: automatic water supply control valve 14: cooling water control switch
16 : 스팀변 17 : 인젝선노즐16 steam side 17 injector nozzle
18 : 냉각수펌프 20 : 냉각수관18: cooling water pump 20: cooling water pipe
21,21' : 수위레벨 스위치 23,23' : 스팀관21,21 ': level switch 23,23': steam pipe
24 : 흡입관 29,30 : 수위레벨스위치24: suction pipe 29, 30: level switch
11,15,19,22,26,27,28 : 첵크변 31 : 고압응축수유입구11,15,19,22,26,27,28: Shank side 31: High pressure condensate inlet
32 : 저압응축수 유입구 33 : 보충수 유입구32: low pressure condensate inlet 33: make-up water inlet
34 : 스팀 송기관34: steam exhaust pipe
본 고안은 증기보일러에 있어서, 보일러내에 물을 자동으로 공급시키도록 하는증기보일러의 고온 고압 응축수급수장치에 관한 것이다.The present invention relates to a high temperature and high pressure condensate water supply device of a steam boiler to automatically supply water to a boiler in a steam boiler.
본 고안은 본 출원인이 선출원한 실용신안등록출원 제9423호, (1986년 실용신안출원공고 제831호)의 고압증기보일러의 고온고압 응축수 급수장치의 개량에 관련된 것으로서 본 고안이 상기 특허출원제 84-2331호와 다른 특징은 급수탱크(1)와 (2)를 상,하로 설치하고 상부급수탱크(1)에서 냉각수를 흡입하여 바로 보일러로 급수하는 것이 아니고 하부의 급수탱크(2)로 급수케 하여 하부급수탱크(2)는 증기보일러(3)로 계속 급수만 하게 하며, 상부 급수탱크(1)가 흡입하는 동안에도 급수가 중단되는 일이 없도록 하고, 또한 고가의 고압전자변의 사용갯수를 대폭 줄이므로서 간단하면서 설치비를 훨씬 적게 할 수 있다는 것이 종래와는 다른 점이다.The present invention relates to the improvement of the high temperature and high pressure condensate water supply device of the high-pressure steam boiler of Utility Model Registration No. 9423 and (Application Model No. 831 of 1986) filed by the present applicant. -2331 and other features are to install the water supply tanks (1) and (2) up and down and to suck the cooling water from the upper water supply tank (1) to feed water directly to the boiler, and to supply the water to the lower water tank (2) Thus, the lower water supply tank (2) only keeps supplying water to the steam boiler (3), so that the water supply is not interrupted while the upper water supply tank (1) is inhaled, and the number of expensive high-pressure electronic valves is greatly reduced. It is different from the conventional method because it can reduce the installation cost while simplifying the installation.
이와 같은 본 고안을 첨부도면에 의하여 상세히 설명하면 다음과 같다.If the present invention as described in detail by the accompanying drawings as follows.
증기 보일러(3)보다 다소 높은 곳에 하부급수탱크(2)를 설치하고 이 급수탱크 (2)의 상측에는 상부급수탱크(1)를 설치하여 첵크변(19)을 가지는 급수관 (8)으로 상기 하부급수탱크(2)와 연결하고, 이 각각의 급수탱크(1),(2)에 스팀관 (23)(23')을 설치하여 상기 증기보일러(3)와 연결한다. 여기서 스팀관(23)의 일단에 스팀변(16)을 착설하여 상부급수탱크(1)의 수위레벨스위치(6) 및 (7)에 의하여 개폐되도록 하며, 상기 하부급수탱크(2)의 하부로부터 급수관(25)을 증기보일러(3)와 연결하여 급수 가능토록 하되 자동수위조절변(13)을 부착하여 수위레벨스위치(29)(30)에 의해 보일러 수위를 조절토록 한다.The lower water supply tank 2 is installed slightly higher than the steam boiler 3, and the upper water supply tank 1 is installed above the water supply tank 2 so that the lower water supply pipe 8 has a shank side 19. It is connected to the water supply tank 2, and the steam pipes 23 and 23 'are installed in the respective water supply tanks 1 and 2 so as to be connected to the steam boiler 3. Here, the steam side 16 is installed at one end of the steam pipe 23 so as to be opened and closed by the water level switch 6 and 7 of the upper water supply tank 1, and from the lower portion of the lower water supply tank 2; The water supply pipe 25 is connected to the steam boiler 3 so that water can be supplied, but the automatic water level control valve 13 is attached to control the water level of the boiler by the water level switches 29 and 30.
그리고, 상부급수탱크(1) 상부에는 냉각수관(20)을 냉각수펌프(18)와 연결 설치하여서 필요시 냉각수를 살수토록 하되 첵크변(15)을 설치하여 상부급수탱크(1)의 압력에 의해 냉각수가 역류되지 않도록하고, 상부급수탱크(1)의 상부로부터 고저압응축수탱크(5)(5') 및 보충수탱크(4)에 흡입관(24)으로써 인젝선노즐(17)과 연결하며, 이 흡입관(24)의 상단에는 냉각수조절스위치(14)를 부착하고 보충수탱크(4)와 연결되는 흡입관(24)의 일단에는 보충수조절용자동변(12)을 설치하여 구성한다. 여기서 보충수조절용자동변(12)은 고압 및 저압 응축수탱크(5)(5')의 응축수가 부족할 때 보충수를 조절할 수 있도록 하는 것으로 수위레벨스위치(21)(21')에 의해 동작되는 것이며 , 자동급수조절변(13)은 증기보일러(3)의 수위레벨스위치(29)(30)에 따라서 개폐되는 것으로 보일러의 수위가 내려가면 조절변(13)이 열려서 급수하도록 한 것이다. 또한, 스팀변(16)은 상부급수탱크(1)의 수위레벨스위치(6) 및 (7)에 의하여 개폐되는 것으로 상부급수탱크(1)와 하부급수탱크(2)의 압력을 조절하는 것이다.In addition, the upper water supply tank (1) is installed by connecting the cooling water pipe (20) with the cooling water pump (18) so that the cooling water can be sprayed, if necessary, by installing the shank side (15) by the pressure of the upper water supply tank (1). The cooling water is prevented from flowing back, and connected to the injector nozzle 17 as a suction pipe 24 from the upper portion of the upper water supply tank 1 to the high and low pressure condensate tanks 5, 5 'and the supplemental water tank 4, Cooling water control switch 14 is attached to the upper end of the suction pipe 24, and one end of the suction pipe 24 connected to the replenishment water tank 4 is configured to install the replenishing water control automatic valve 12. Here, the replenishment water adjusting automatic valve 12 is operated by the water level level switches 21 and 21 'to adjust the replenishment water when the condensate in the high and low pressure condensate tanks 5 and 5' is insufficient. , The automatic water supply control valve 13 is opened and closed according to the water level switch 29, 30 of the steam boiler 3, the control valve 13 is opened to supply water when the water level of the boiler is lowered. In addition, the steam side 16 is to be opened and closed by the water level switch (6) and (7) of the upper water supply tank (1) to control the pressure of the upper water supply tank (1) and the lower water supply tank (2).
첨부도면 제2도는 본 고안상의 인션선노즐(17)의 확대단면도로서, 이에 도시한 바와같이 중앙에 고압 응축수유입구(31)가 형성하고 양 옆으로 저압응축수유입구(32) 및 보충수유입구(33)가 각각 형성되어 있어 고압응축수유입구(31)로는 고압응축수탱크(5)와 연결되고 저압응축수유입구(32)로는 저압응축수탱크(5')와 연결되며, 보충수유입구(33)로는 보충수탱크(4)와 연결되는 것이다.2 is an enlarged cross-sectional view of the induction line nozzle 17 according to the present invention, and as shown therein, a high pressure condensate inlet 31 is formed at the center and low pressure condensate inlet 32 and a supplementary water inlet 33 at both sides. ) Are formed respectively, the high pressure condensate inlet 31 is connected to the high pressure condensed water tank (5), the low pressure condensed water inlet (32) is connected to the low pressure condensed water tank (5 '), the supplementary water inlet (33) It is connected with (4).
상술한 바와 같은 본 고안의 작용 및 효과를 상세히 설명하면 다음과 같다. 증기보일러(3)에서 열원에 의하여 증기가 발생되면 스팀송기관(34)을 통하여 스팀사용처로 이송된다. 이 스팀이 열사용처에서 열교환되면 식어서 응축수가 되는데 이 응축수가 고, 저압응축수집수관(9)(9')을 통하여 고압응축수탱크(5) 및 저압응축수탱크(5')에 집수되게 된다. 이때 냉각수펌프(18)를 동작시켜서 냉각수관(20)을 통하여 냉각수를 상부급수탱크(1)로 살수케 한다. 그러면 상부급수탱크(1)내부의 압력이 고압응축수탱크(5) 및 저압응축수탱크(5')의 압력보다 낮아져서 고압응축수탱크(5) 및 저압응축수탱크(5')에 집수되어 있던 응축수는 인젝선노즐(17)과 흡입관(24)을 통하여 상부급수탱크(1)로 유입된다. 이때 고압응축수탱크(5)의 응축수가 인젝선노즐(17)의 고압응축수 유입구(31)를 통과할 때 저압응축수 유입구(32)에서는 베르누이의 정리에 의해 압력이 저하되고, 따라서 저압응축수가 빨려 들어가게 되는것이다.Referring to the operation and effects of the present invention as described above in detail. When steam is generated by the heat source in the steam boiler (3) is transferred to the steam using place through the steam transport pipe (34). When the steam is heat-exchanged at the heat use place, it cools and becomes condensate, which is collected in the high pressure condensate tank 5 and the low pressure condensate tank 5 'through the low pressure condensate collection pipes 9 and 9'. At this time, the cooling water pump 18 is operated to spray the cooling water to the upper water supply tank 1 through the cooling water pipe 20. Then, the pressure inside the upper water supply tank 1 is lower than the pressure of the high pressure condensate tank 5 and the low pressure condensate tank 5 'so that the condensed water collected in the high pressure condensate tank 5 and the low pressure condensate tank 5' It is introduced into the upper water supply tank (1) through the jet nozzle 17 and the suction pipe (24). At this time, when the condensed water in the high pressure condensate tank 5 passes through the high pressure condensate inlet 31 of the injector nozzle 17, the pressure decreases due to Bernoulli's theorem at the low pressure condensate inlet 32. That's it.
이와 같이 응축수가 유입되어 상부급수탱크(1)의 수위가 상승하여 수위레벨스위치(6)의 접점까지 이르면 냉각수 펌프(18)가 정지되어 흡입이 중단되고 스팀변(16)이 열려서 스팀관(23)을 통하여 스팀이 상부급수탱크(1)로 유입되면서 급수탱크(1)의 내부압력이 상승하게 되어 증기보일러(3) 및 하부급수탱크(2)의 압력과 동일하게 된다. 따라서, 상기 증기보일러(3) 및 하부급수탱크(2)보다 높은 곳에 위치한 상부급수탱크(1)의 응축수가 낙차압에 의해서 급수관(8)을 통하여 하부급수탱크(2)로 흘러들게 된다. 하부급수탱크(2)로 유입된 응축수는 증기보일러(3)의 수위가 증발에 의하여 내려가게 되면 자동급수조절변(13)이 열려서 증기보일러(3)로 환입되어 본 고안 작용의 1싸이클을 이루게 되는 것이다.In this way, when the condensate flows in and the water level of the upper water supply tank 1 rises up to the contact point of the water level level switch 6, the cooling water pump 18 is stopped, the suction is stopped, and the steam valve 16 is opened to open the steam pipe 23 As the steam flows into the upper water supply tank 1 through), the internal pressure of the water supply tank 1 is increased to be equal to the pressure of the steam boiler 3 and the lower water supply tank 2. Therefore, the condensed water of the upper water supply tank 1 located higher than the steam boiler 3 and the lower water supply tank 2 flows into the lower water supply tank 2 through the water supply pipe 8 by the drop pressure. When the water level of the steam boiler (3) is lowered by evaporation, the condensed water introduced into the lower water tank (2) opens the automatic water supply control valve (13) and returns to the steam boiler (3) to achieve one cycle of the present invention. Will be.
이와 같이 계속 급수를 하여 상부급수탱크(1)의 수위가 내려가서 수위레벨스위치 (7)의 접점에 이르게 되면 스팀변(16)이 폐쇄되고 냉각수펌프(18)가 동작되어 다시 냉각수가 상기 상부급수탱크(1)에 살수되고 따라서 급수탱크(1)의 내부 압력이 다시 떨어져서 고압 및 저압의 응축수탱크(5)(5')내에 있던 응축수가 인젝선노즐(17)을 통하여 상기 상부급수탱크(1)로 유입된다. 이때 각 응축수탱크(5)(5')의 응축수가 다급수되어 그 수위가 수위레벨스위치(21)(21')의 접점에 이르게 되면 보충수조절용자동변 (12)이 열려서 보충수탱크(4)의 보충수가 상부급수탱크(1)로 유입되는 것이다. 여기서 냉각수가 필요이상 상부급수탱크(1)에 살수되는 것을 조절하는 것이 냉각수조절스위치 (14)로써 이 냉각수조절스위치(14)는 응축수 또는 보충수가 흡입관(24)에 흐르고 있을 때는 냉각수펌프(18)를 정지시키고 상기 흡입관(24)에 흐르지 않으면 상기 냉각수펌프(18)를 동작시키는 것이다.In this way, when the water is continuously supplied and the water level of the upper water supply tank 1 is lowered to reach the contact point of the water level level switch 7, the steam valve 16 is closed and the coolant pump 18 is operated to cool the water again. The condensed water in the high pressure and low pressure condensate tanks 5 and 5 'is so sprayed by the tank 1 and thus the internal pressure of the water supply tank 1 drops again, through the injector nozzle 17. Flows into). At this time, when the condensate in each condensate tank (5) (5 ') is multi-water supply and the water level reaches the contact point of the level switch (21) (21'), the replenishment water adjusting automatic valve 12 is opened to make up the refill water tank (4). ) Supplemental water is introduced into the upper water supply tank (1). The cooling water control switch 14 is a cooling water control switch 14 that controls cooling of the cooling water to the upper water supply tank 1 more than necessary when the condensed water or the supplementary water flows into the suction pipe 24. If it stops and does not flow in the suction pipe 24 is to operate the cooling water pump (18).
상술한 바와 같은 작용을 반복하는 본 고안은 상부급수탱크(1)에서는 흡입, 급수의 작용을 반복하고 하부급수탱크(1)에서는 급수를 계속할 수 있는 것으로 고압자동변등의 갯수를 대폭 줄임으로써 설치 및 조작이 간편하고 설치비 및 운영비 등의 절감 효과가 있는 것이다.The present invention repeating the operation as described above is to repeat the action of suction, water supply in the upper water supply tank (1) and continue to supply water in the lower water supply tank (1) installed by greatly reducing the number of high-pressure automatic change And it is easy to operate and there is a reduction effect such as installation cost and operation cost.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR2019870004602U KR870003914Y1 (en) | 1984-12-17 | 1987-04-04 | Water feed apparatus for steam boiler |
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KR1019840008029 | 1984-12-17 | ||
KR2019870004602U KR870003914Y1 (en) | 1984-12-17 | 1987-04-04 | Water feed apparatus for steam boiler |
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KR1019840008029 Division | 1984-12-17 | 1984-12-17 |
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KR2019870004602U KR870003914Y1 (en) | 1984-12-17 | 1987-04-04 | Water feed apparatus for steam boiler |
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1987
- 1987-04-04 KR KR2019870004602U patent/KR870003914Y1/en active IP Right Grant
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