CN103307591B - Boiler blow down system - Google Patents
Boiler blow down system Download PDFInfo
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- CN103307591B CN103307591B CN201310198783.4A CN201310198783A CN103307591B CN 103307591 B CN103307591 B CN 103307591B CN 201310198783 A CN201310198783 A CN 201310198783A CN 103307591 B CN103307591 B CN 103307591B
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Abstract
The invention relates to a boiler blow down system which comprises a continuous blow down tank, a periodic blow down tank, a pressure control system and a recirculated cooling water return pipeline, wherein as for the continuous blow down tank, a tangential input port is used for inputting continuous blow down liquid, an output port at the top is used for outputting low-pressure steam, and an output port at the bottom is used for outputting bottom condensate into the periodic blow down tank; as for the periodic blow down tank, a first tangential input port is used for inputting the bottom condensate and the periodic blow down liquid of the continuous blow down tank, a second tangential input port is used for inputting recirculated cooling water, the output port at the top is used for discharging the low-pressure exhaust steam into atmosphere through the pressure control system, and the output port at the bottom is used for discharging tank bottom condensed water into the recirculated cooling water return pipeline; the pressure control system is arranged at the top of the periodic blow down tank and used for controlling the operating pressure of the periodic blow down tank and discharging low-pressure exhaust steam; and the recirculated cooling water return pipeline is arranged at the bottom of the periodic blow down tank and used for recovering tank bottom condensed water of the periodic blow down tank. The boiler blow down system can reasonably recycle the periodic blow down condensed water, which reduces water resource waste and boosts corporate profitability.
Description
Technical field
The present invention relates to boiler applications technical field, particularly relate to a kind of boiler blow-out system that can carry out continuous blowdown and periodical blowdown.
Background technology
In the existing oil of China, chemical industry, iron and steel, power station, medicine, printing and dyeing, city heat supply and other all multiple enterprises, all at a large amount of use boilers, due to the continuous evaporation and concentration of pot water, the impurity content in residue water can be more and more higher.For reducing the content of salt, alkali in pot water, must from pot water, discharge frequently the sewage after a part concentrates, can reduce a pot water salt content by blowdown, avoid occurring priming, ensure quality and the steam quality of pot water.In the time that boiler water level is too high, also can reduce water level by blowdown.In boiler blowdown water, except containing a small amount of salt, incrustation scale, silt and other sediment, the overwhelming majority is the demineralized water that contains amount of heat, and it is recycled, and can make industry energy conservation consumption reduction, increases benefit.
China is most steam generator systems of operation at present, are provided with continuous blowdown and periodical blowdown, and most flow setting is that blowdown condensed water is directly entered to sewerage, seldom consider or do not consider at all the recycling of this part water.Wherein, periodical blowdown normally adopts atmospheric flashing, and the steam that tank deck flashes off directly enters atmosphere, and the condensed water (comprising a large amount of recirculated cooling waters for lowering the temperature) at the bottom of tank enters trench nearby.
As shown in Figure 1, existing technological process is described as:
One, tangentially enter continuous blowdown tank from the continuous blowdown liquid of boiler, in tank, carry out flash distillation, realize vapour-liquid and separate.The steam vapour system that the low-pressure steam that tank body top flashes off enters full device recycles, the lime set of tank base by the first Liquid level adjusting valve LV1 adjust flux after the reasonable liquid level of tank (control continuous blowdown) enter boiler periodical blowdown tank.
Two, the bottom lime set that continuous blowdown tank is discharged and boiler periodical blowdown liquid converge rear tangent line and enter periodical blowdown tank, in tank, fully converge, contact and exchange heat with recirculated cooling water, cooling, the flash distillation that complete continuous blowdown pot bottom lime set and periodical blowdown separate with vapour-liquid.
Three, the low pressure exhaust steam that tank body top flashes off, because its temperature, pressure (normal pressure) are all too low, does not recycle, and directly enters atmosphere.The lime set of tank base by the second Liquid level adjusting valve LV2 adjust flux after the reasonable liquid level of tank (control periodical blowdown) enter full factory sewerage.
Four, on recirculated cooling water pipeline, be provided with temperature control valve (TCV) TV, by controlling the aperture of temperature control valve (TCV) TV, adjusting enters the flow of periodical blowdown tank cooling water, and the temperature of periodical blowdown pot bottom discharge opeing is controlled at below 40 DEG C, meets the sewage discharge requirement of full factory.
The problem that above-mentioned flow setting exists: periodical blowdown adopts atmospheric flashing conventionally, condensed water (comprising a large amount of recirculated cooling water or industry water for lowering the temperature) at the bottom of tank is due to hypotony, cannot normally return to cooling water return system, can only enter trench (sewerage) nearby, cause a large amount of water resource waste.Simultaneously, because containing iron rust and dosing, pot water processes the impurity such as the precipitation grain slag that forms, and the object of periodical blowdown is also regularly the precipitated impurities such as these grain slags to be discharged to boiler, directly enter surrounding environment by trench if do not recycled, can cause the water pollution of surrounding environment.
Therefore, the present invention optimizes the flow scheme design of boiler blow-out system, reclaim a large amount of blowdown condensed waters and be one have a high potential, widely used conservation measures, can be manufacturing enterprise and bring huge economic benefit, domestic every profession and trade all should cause enough attention.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of boiler blow-out system, for solving the problem that the flow scheme design of boiler blow-out system is optimized.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of boiler blow-out system, comprises continuous blowdown tank, periodical blowdown tank, control pressurer system and cooling water return pipeline:
Described continuous blowdown tank, it is provided with the tangential input port of continuous blowdown tank, continuous blowdown tank top delivery outlet and continuous blowdown pot bottom delivery outlet for continuous blowdown liquid is carried out to flash distillation and vapor-liquid separation; The tangential input port of described continuous blowdown tank is used for inputting continuous blowdown liquid, described continuous blowdown tank top delivery outlet is for exporting the low-pressure steam after flash distillation, and described continuous blowdown pot bottom delivery outlet is for exporting the bottom lime set after flash distillation to described periodical blowdown tank;
Described periodical blowdown tank, it carries out cooling, flash distillation and vapor-liquid separation for the bottom lime set to continuous blowdown tank output and periodical blowdown liquid, is provided with the tangential input port of periodical blowdown tank first, the tangential input port of periodical blowdown tank second, periodical blowdown tank top delivery outlet and periodical blowdown pot bottom delivery outlet; The tangential input port of described periodical blowdown tank first is for inputting bottom lime set and the periodical blowdown liquid of described continuous blowdown tank, the tangential input port of described periodical blowdown tank second is used for inputting recirculated cooling water, described periodical blowdown tank top delivery outlet is for low pressure exhaust steam is entered to atmosphere by described control pressurer system, and described periodical blowdown pot bottom delivery outlet is for entering cooling water return pipeline by condensed water at the bottom of the tank obtaining; ;
Described control pressurer system, it is arranged on described periodical blowdown tank top, and for making the operating pressure of periodical blowdown tank higher than described cooling water return line pressure, then atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank is discharged;
Described cooling water return pipeline, it is arranged on described periodical blowdown pot bottom, for reclaiming condensed water at the bottom of the tank that described periodical blowdown tank enters.
On the basis of technique scheme, the present invention can also do following improvement.
Further, between described continuous blowdown pot bottom delivery outlet and the tangential input port of described periodical blowdown tank first, be provided with the first Liquid level adjusting valve, described the first Liquid level adjusting valve is connected with again the first liquid level indicator controller, described the first liquid level indicator controller connects the first fluid level transmitter, and described the first fluid level transmitter is arranged on the side direction of described continuous blowdown tank.
Further, described continuous blowdown tank top equipped at outlet port is provided with steam vapour system, and it is for recycling the low-pressure steam of described continuous blowdown tank output.
Further, described control pressurer system comprises a pressure-regulating valve, and it is connected with described periodical blowdown tank, and atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank is discharged.
Further, described control pressurer system also comprises pressure transmitter, pressure indicator controller and pressure-regulating valve locator, described pressure transmitter is connected with described periodical blowdown tank, described pressure indicator controller is connected with described pressure transmitter, described pressure-regulating valve locator one end connects described pressure indicator controller, and the other end connects described pressure-regulating valve.
Further, the operating pressure of described periodical blowdown tank is 0.35 MPa, and described cooling water return line pressure is 0.25 MPa.
Further, between described periodical blowdown pot bottom delivery outlet and described cooling water return pipeline, be provided with the second Liquid level adjusting valve, described the second Liquid level adjusting valve is connected with again the second liquid level indicator controller, described the second liquid level indicator controller connects the second fluid level transmitter, and described the second fluid level transmitter is arranged on the side direction of described periodical blowdown tank.
Further, described periodical blowdown tank second is provided with temperature control valve (TCV) on tangential input port, and described temperature control valve (TCV) connects a temperature indicator controller, described temperature indicator controller connects a temperature transmitter, and described temperature transmitter is connected with described periodical blowdown tank.
The invention has the beneficial effects as follows:
One, set up control pressurer system in periodical blowdown tank top, the operating pressure of Regular Drain system is increased to 0.35MPaG by normal pressure, a little more than cooling water return line pressure (0.25MPaG), to meet the needs of pressure of return water;
Condensed water (comprise a large amount of recirculated cooling water or industry waters) for lowering the temperature access cooling water return pipeline at the bottom of the tank of two, periodical blowdown pot bottom being discharged, reclaims condensed water at the bottom of this part tank, recycles;
Three, the operating pressure of periodical blowdown is increased to 0.35MPaG, simultaneously can reduces periodical blowdown tank top and enter the exhaust steam of atmosphere, increase condensation water quantity at the bottom of tank, reach the maximization of recycling condensing water, further reduced the waste of water resource.
In sum, carry out process optimization, set up a small amount of facility for the ubiquitous problem of domestic current boiler blow-out system, rationally recycle the condensed water (comprising the recirculated cooling water for lowering the temperature) of periodical blowdown, reduce the waste of water resource (blowdown demineralized water and cooling water), make enterprise realize energy-conservation, consumption reduction, reduce discharging, increase the performance of enterprises.
Brief description of the drawings
Fig. 1 is the structural representation of boiler Regular Drain system in prior art of the present invention;
Fig. 2 is the structural representation of boiler blow-out system of the present invention.
In accompanying drawing, the list of parts of each label representative is as follows:
1, continuous blowdown tank; 2, periodical blowdown tank; 3, control pressurer system; 4, cooling water return pipeline; 5, steam vapour system; 11, the tangential input port of continuous blowdown tank; 12, continuous blowdown tank top delivery outlet; 13, continuous blowdown pot bottom delivery outlet; 21, the tangential input port of periodical blowdown tank first; 22, the tangential input port of periodical blowdown tank second; 23, periodical blowdown tank top delivery outlet; 24, periodical blowdown pot bottom delivery outlet; LV1, the first Liquid level adjusting valve; LIC1, the first liquid level indicator controller; LT1, the first fluid level transmitter; LV2, the second Liquid level adjusting valve; LIC2, the second liquid level indicator controller; LT2, the second fluid level transmitter; PV, pressure-regulating valve; PT, pressure transmitter; PIC, pressure indicator controller; PY, pressure-regulating valve locator; TV, temperature control valve (TCV); TIC, temperature indicator controller; TT, temperature transmitter.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 2, embodiment mono-has provided a kind of boiler blow-out system, comprises continuous blowdown tank 1, periodical blowdown tank 2, control pressurer system 3 and cooling water return pipeline 4:
Described continuous blowdown tank 1, it is provided with the tangential input port 11 of continuous blowdown tank, continuous blowdown tank top delivery outlet 12 and continuous blowdown pot bottom delivery outlet 13 for continuous blowdown liquid is carried out to flash distillation and vapor-liquid separation.Continuous blowdown tank.The tangential input port 11 of described continuous blowdown tank is for inputting continuous blowdown liquid, described continuous blowdown tank top delivery outlet 12 is for exporting the low-pressure steam after flash distillation, and described continuous blowdown pot bottom delivery outlet 13 is for exporting the bottom lime set after flash distillation to described periodical blowdown tank 2;
Described periodical blowdown tank 2, it carries out cooling, flash distillation and vapor-liquid separation for the bottom lime set to continuous blowdown tank output and periodical blowdown liquid, is provided with the tangential input port 21 of periodical blowdown tank first, the tangential input port 22 of periodical blowdown tank second, periodical blowdown tank top delivery outlet 23 and periodical blowdown pot bottom delivery outlet 24.The tangential input port 21 of described periodical blowdown tank first is for inputting bottom lime set and the periodical blowdown liquid of described continuous blowdown tank, the tangential input port 22 of described periodical blowdown tank second is for inputting recirculated cooling water, described periodical blowdown tank top delivery outlet 23 is for low pressure exhaust steam is entered to atmosphere by described control pressurer system, and described periodical blowdown pot bottom delivery outlet 24 is for entering cooling water return pipeline 4 by condensed water at the bottom of the tank obtaining;
Described control pressurer system 3, it is arranged on described periodical blowdown tank 2 tops, and for making the operating pressure of periodical blowdown tank 2 higher than described cooling water return line pressure, then atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank 2 is discharged;
Described cooling water return pipeline 4, it is arranged on described periodical blowdown tank 2 bottoms, for reclaiming condensed water at the bottom of the tank that described periodical blowdown tank 2 enters.
Between described continuous blowdown pot bottom delivery outlet 13 and the tangential input port 21 of described periodical blowdown tank first, be provided with the first Liquid level adjusting valve LV1, described the first Liquid level adjusting valve LV1 is connected with again the first liquid level indicator controller LIC1, described the first liquid level indicator controller LIC1 connects the first fluid level transmitter LT1, and described the first fluid level transmitter LT1 is arranged on the side direction of described continuous blowdown tank 1.
Delivery outlet 12 places, described continuous blowdown tank top are provided with steam vapour system 5, and it recycles for the low-pressure steam that described continuous blowdown tank 1 is exported.
Described control pressurer system 3 comprises a pressure-regulating valve PV, it is connected with described periodical blowdown tank, and atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank 2 is discharged, also comprise pressure transmitter PT, pressure indicator controller PIC and pressure-regulating valve locator PY, described pressure transmitter PT is connected with described periodical blowdown tank, described pressure indicator controller PIC is connected with described pressure transmitter PT, described pressure-regulating valve locator PY one end connects described pressure indicator controller PIC, and the other end connects described pressure-regulating valve PV.
After control pressurer system regulates, the operating pressure of described periodical blowdown tank is 0.35 MPa, and described cooling water return line pressure is 0.25 MPa.
Between described periodical blowdown pot bottom delivery outlet 24 and described cooling water return pipeline 4, be provided with the second Liquid level adjusting valve LV2, described the second Liquid level adjusting valve LV2 is connected with again the second liquid level indicator controller LIC2, described the second liquid level indicator controller LIC2 connects the second fluid level transmitter LT, and described the second fluid level transmitter LT is arranged on the side direction of described periodical blowdown tank.
Described periodical blowdown tank second is provided with temperature control valve (TCV) TV on tangential input port 22, and described temperature control valve (TCV) TV connects a temperature indicator controller TIC, described temperature indicator controller TIC connects a temperature transmitter TT, and described temperature transmitter TT is connected with described periodical blowdown tank 2.
The technological process of the boiler blow-out system of the present embodiment is:
Continuous blowdown liquid from boiler tangentially enters continuous blowdown tank, carries out flash distillation in tank, realizes vapour-liquid and separates.The steam vapour system that the low-pressure steam that tank body top flashes off enters full device recycles, the lime set of tank base by the first Liquid level adjusting valve LV adjust flux after the reasonable liquid level of tank (control continuous blowdown) enter boiler periodical blowdown tank.
The bottom lime set of continuous blowdown tank and boiler periodical blowdown liquid converge the rear periodical blowdown tank that tangentially enters, and in tank, fully converge, contact with recirculated cooling water, and cooling, the flash distillation that complete continuous blowdown pot bottom lime set and periodical blowdown separate with vapour-liquid.
The low pressure exhaust steam that the tank body top of periodical blowdown tank flashes off, enters atmosphere after the aperture control flow by pressure-regulating valve PV.The discharge capacity of control pressurer system control flash steam, and the operating pressure of periodical blowdown tank is controlled to 0.35 MPa (gauge pressure), with respect to atmospheric flashing, the operating pressure of periodical blowdown tank is brought up to 0.35 MPa (gauge pressure), can reduce the discharge capacity of low pressure exhaust steam, reduce material loss.
Operating temperature is 40 DEG C, operating pressure is condensed water at the bottom of the tank of periodical blowdown tank of 0.35 MPa (gauge pressure), enter the intrinsic cooling water return pipeline of full factory by (controlling the reasonable liquid level of periodical blowdown tank) after the second Liquid level adjusting valve LV2 adjust flux, recycle.
On the pipeline of the second tangential input port of periodical blowdown tank input recirculated cooling water, be provided with temperature control valve (TCV) TV, by the aperture of control and regulation valve TV, adjusting enters the flow of periodical blowdown tank cooling water, the temperature of condensed water at the bottom of the tank of periodical blowdown tank is controlled at below 40 DEG C, meets the design parameter requirement of full factory recirculated water return piping.
Though contain a small amount of impurity (salt, alkali) at the bottom of this part tank in condensed water, flow is much smaller than full factory recirculated water total amount.With 200,000 tons/year of methanol devices or 60000Nm
3/ h device for producing hydrogen is example, the about 15t/h of boiler blow-off condensation water quantity, and full factory recirculated water total amount is tens thousand of tphs.So this partial condensation water enters cooling water return pipeline, can not impact whole system.
The application of the present embodiment, for manufacturing enterprise, not only can reclaim a large amount of blowdown condensed waters, save the consumption of recirculated cooling water supplementing water (fresh water), can also reduce quantity of wastewater effluent, produce obvious economic benefit and huge social benefit simultaneously.Related cooling water return pipeline belongs to the intrinsic pipeline of original device, do not need additionally to increase any improvement expenses, so only need the circulating backwater pipeline that increases by 1 cover control pressurer system (general control pressurer system in industry) and seldom measure with respect to prior art design, approximately 30,000 yuan of total costs (RMB).
The steam generator system that is 60t/h for gas production (is equivalent to 200,000 tons/year of methanol devices or 60000Nm
3/ h device for producing hydrogen), carry out technological process simulation using the recirculated cooling waters of 30 DEG C as cooling medium and carry out economic technique analysis, approximately 130,000 tons of the annual recyclable blowdown condensed waters of system of the present embodiment, are equivalent to can save every year recirculated cooling water supplementing water (fresh water) and are also about 130,000 tons.
According to the price of North Shaanxi fresh water (6.0 yuan/ton), can be every year the direct economic benefit that enterprise brings 780,000 yuan.Through technological process analog computation, the discharge capacity of above-mentioned condensed water is and the substantially proportional increase of steam production of boiler.So, for the steam generator system of 100t/h, if the flow setting of the present embodiment can be saved approximately 220,000 tons of recirculated cooling water supplementing water (fresh water) every year, can be every year enterprise and bring approximately 1,320,000 yuan of direct economic benefits.
Therefore, the boiler blow-out system of the present embodiment can be widely used in oil, the chemical plant installations such as home and abroad is newly-built, the synthetic ammonia of reorganization and expansion, methyl alcohol, producing hydrogen from steam conversion, also can in the enterprise of iron and steel, power station, medicine, printing and dyeing, city heat supply and other many use boilers, apply, for energy-conservation, the consumption reduction of whole enterprise, reduce discharging, increase the aspect such as the performance of enterprises and all there is very high practical value and application prospect widely.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a boiler blow-out system, is characterized in that, comprises continuous blowdown tank (1), periodical blowdown tank (2), control pressurer system (3) and cooling water return pipeline (4);
Described continuous blowdown tank (1), it is provided with the tangential input port of continuous blowdown tank (11), continuous blowdown tank top delivery outlet (12) and continuous blowdown pot bottom delivery outlet (13) for continuous blowdown liquid is carried out to flash distillation and vapor-liquid separation; The tangential input port of described continuous blowdown tank (11) is for inputting continuous blowdown liquid, described continuous blowdown tank top delivery outlet (12) is for exporting the low-pressure steam after flash distillation, and described continuous blowdown pot bottom delivery outlet (13) is for exporting the bottom lime set after flash distillation to described periodical blowdown tank (2);
Described periodical blowdown tank (2), it carries out cooling, flash distillation and vapor-liquid separation for the bottom lime set to continuous blowdown tank output and periodical blowdown liquid, is provided with periodical blowdown tank the first tangential input port (21), periodical blowdown tank the second tangential input port (22), periodical blowdown tank top delivery outlet (23) and periodical blowdown pot bottom delivery outlet (24); Described periodical blowdown tank the first tangential input port (21) is for inputting bottom lime set and the periodical blowdown liquid of described continuous blowdown tank, described periodical blowdown tank the second tangential input port (22) is for inputting recirculated cooling water, described periodical blowdown tank top delivery outlet (23) is for low pressure exhaust steam is entered to atmosphere by described control pressurer system (3), and described periodical blowdown pot bottom delivery outlet (24) is for entering cooling water return pipeline (4) by condensed water at the bottom of the tank obtaining;
Described control pressurer system (3), it is arranged on described periodical blowdown tank (2) top, be used for making the operating pressure of periodical blowdown tank (2) higher than described cooling water return pipeline (4) pressure, then atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank (2) is discharged;
Described cooling water return pipeline (4), it is arranged on described periodical blowdown tank (2) bottom, for reclaiming condensed water at the bottom of the tank that described periodical blowdown tank (2) enters.
2. boiler blow-out system according to claim 1, it is characterized in that, between described continuous blowdown pot bottom delivery outlet (13) and described periodical blowdown tank the first tangential input port (21), be provided with the first Liquid level adjusting valve (LV1), described the first Liquid level adjusting valve (LV1) is connected with again the first liquid level indicator controller (LIC1), described the first liquid level indicator controller (LIC1) connects the first fluid level transmitter (LT1), and described the first fluid level transmitter (LT1) is arranged on the side direction of described continuous blowdown tank (1).
3. boiler blow-out system according to claim 1, it is characterized in that, described continuous blowdown tank top delivery outlet (12) locates to be provided with steam vapour system (5), and it is for recycling the low-pressure steam of described continuous blowdown tank (1) output.
4. boiler blow-out system according to claim 1, it is characterized in that, described control pressurer system (3) comprises a pressure-regulating valve (PV), it is connected with described periodical blowdown tank (2), and atmosphere is sent in the low pressure exhaust steam that periodical blowdown tank (2) is discharged.
5. boiler blow-out system according to claim 4, it is characterized in that, described control pressurer system (3) also comprises pressure transmitter (PT), pressure indicator controller (PIC) and pressure-regulating valve locator (PY), described pressure transmitter (PT) is connected with described periodical blowdown tank (2), described pressure indicator controller (PIC) is connected with described pressure transmitter (PT), described pressure-regulating valve locator (PY) one end connects described pressure indicator controller (PIC), the other end connects described pressure-regulating valve (PV).
6. boiler blow-out system according to claim 1, is characterized in that, the operating pressure of described periodical blowdown tank (2) is 0.35 MPa, and described cooling water return line pressure is 0.25 MPa.
7. boiler blow-out system according to claim 1, it is characterized in that, between described periodical blowdown pot bottom delivery outlet (24) and described cooling water return pipeline (4), be provided with the second Liquid level adjusting valve (LV2), described the second Liquid level adjusting valve (LV2) is connected with again the second liquid level indicator controller (LIC2), described the second liquid level indicator controller (LIC2) connects the second fluid level transmitter (LT2), and described the second fluid level transmitter (LT2) is arranged on the side direction of described periodical blowdown tank (2).
8. boiler blow-out system according to claim 1, it is characterized in that, described periodical blowdown tank is provided with temperature control valve (TCV) (TV) on the second tangential input port (22), and described temperature control valve (TCV) (TV) connects a temperature indicator controller (TIC), described temperature indicator controller (TIC) connects a temperature transmitter (TT), and described temperature transmitter (TT) is connected with described periodical blowdown tank (2).
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| CN201310198783.4A CN103307591B (en) | 2013-05-24 | 2013-05-24 | Boiler blow down system |
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| CN201310198783.4A CN103307591B (en) | 2013-05-24 | 2013-05-24 | Boiler blow down system |
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| CN103307591B true CN103307591B (en) | 2014-11-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106546107A (en) * | 2016-11-30 | 2017-03-29 | 新奥泛能网络科技股份有限公司 | A kind of cooling tank control system, method, device and sewage cooling system |
| CN106524126B (en) * | 2016-12-19 | 2019-04-26 | 大连圣鼎工业装备有限公司 | Steam boiler heat recovery energy-saving utilizes system |
| CN107514624A (en) * | 2017-09-21 | 2017-12-26 | 无锡华光锅炉股份有限公司 | A kind of horizontal type waste heat boiler hydrophobic structure |
| CN108302518A (en) * | 2018-01-02 | 2018-07-20 | 芜湖东旭光电科技有限公司 | Boiler system |
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| CN2909010Y (en) * | 2006-04-10 | 2007-06-06 | 东莞市东城科力热能设备厂 | Closed high-temp condensation water recoverer |
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| CN203286546U (en) * | 2013-05-24 | 2013-11-13 | 北京石油化工工程有限公司 | Boiler blowdown system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101332592B1 (en) * | 2007-05-18 | 2013-11-25 | 누터/에릭슨 인코퍼레이티드 | Blowoff tank |
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| CN2909010Y (en) * | 2006-04-10 | 2007-06-06 | 东莞市东城科力热能设备厂 | Closed high-temp condensation water recoverer |
| CN201141591Y (en) * | 2007-12-17 | 2008-10-29 | 中国铝业股份有限公司 | Boiler pollution-discharge capacity-expanding container capable of automatically controlling liquid level |
| CN201429062Y (en) * | 2009-06-05 | 2010-03-24 | 中国飞龙集团有限公司 | Industrial boiler continuous blowdown energy-saving device |
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| CN203286546U (en) * | 2013-05-24 | 2013-11-13 | 北京石油化工工程有限公司 | Boiler blowdown system |
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