CN213395512U - System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust - Google Patents
System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust Download PDFInfo
- Publication number
- CN213395512U CN213395512U CN202020831564.0U CN202020831564U CN213395512U CN 213395512 U CN213395512 U CN 213395512U CN 202020831564 U CN202020831564 U CN 202020831564U CN 213395512 U CN213395512 U CN 213395512U
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- heating
- heat
- pump
- heat pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out heat transfer heating's system relates to an energy high efficiency utilization system of energy-concerving and environment-protective. Its purpose is in order to provide a economize system water, heating system that heat utilization rate is high. The technical scheme of the utility model mainly include the boiler, the steam turbine heat pump, heat exchanger and desulfurizing tower, the boiler drives the steam turbine work, the steam turbine drives the work of steam turbine heat pump, the steam outlet of steam turbine links to each other with the steam inlet of condenser, the delivery port of condenser connects gradually the condensate pump, oxygen-eliminating device and boiler feed pump, the inside hydrologic cycle pipeline of boiler feed pump intercommunication boiler, the flue that advances of desulfurizing tower is connected to the exhaust emission pipeline of boiler, the desulfurizing tower is connected with first thick liquid heat exchanger, the chimney lateral wall is connected with industry exhaust heat exchanger. And the steam turbine heat pump, the condenser, the first slurry heat exchanger and the industrial exhaust heat exchanger are respectively connected with corresponding heating circulating water pipelines to heat circulating water in the system.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective technical field especially relates to a high-efficient environmental protection and energy saving's system that utilizes steam turbine heat pump and industrial exhaust to carry out heat transfer heating.
Background
At present, the county and city of each province in the north mostly adopt a central heating mode to heat. The problem that present central heating system exists, firstly, boiler heating proportion is on the high side, and the thermal efficiency is on the low side, and boiler flue gas discharges the heat too big. Secondly, the heat that can be converted into high-quality electric energy or kinetic energy is not efficiently utilized and is used for low-quality heat supply by the hot water boiler. Thirdly, the heat of the industrial exhaust gas is not fully and efficiently utilized, and particularly, the high-level calorific value part of the fuel is not fully utilized. Fourthly, white smoke is formed by overhigh water vapor content in the smoke, so that the humidity in the atmosphere is increased, the haze is accelerated to be formed, and a large amount of water and latent heat of vaporization are wasted.
The proportion of central heating by adopting a hot water boiler in the north is higher, and the direct heating cost of coal burning of the hot water boiler reaches 35 yuan/GJ. Compared with the heating cost of the thermoelectric unit circulating water heating which is less than 20 yuan/GJ, the heating mode of the hot water boiler is too low in economy, and the basic reason is that about one third of heat energy which can be converted into high-quality electric energy is not converted into high-quality electric energy but used as a low-quality heating heat source, so that the efficient gradient utilization of coal is not realized.
The existing energy policy is that small units for heating by cogeneration circulating water are difficult to repeat, so that a novel system for heat exchange and heating by utilizing a steam turbine heat pump and industrial exhaust gas, which accords with the national environmental protection policy, is needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a water saving system, the high energy-conserving system that utilizes steam turbine heat pump and industry exhaust to carry out heat transfer heating of heat utilization rate.
The utility model relates to a system for heat exchange and heating by utilizing a steam turbine heat pump and industrial exhaust, which comprises a boiler, a steam turbine heat pump, a plurality of heat exchangers for heat exchange and a desulfurizing tower, wherein the boiler drives the steam turbine to work, the steam turbine drives the steam turbine heat pump to work, the steam turbine heat pump is also connected with a heat pump heating water supply pipeline and a heat pump heating water return pipeline, a steam outlet of the steam turbine is connected with a steam inlet of a condenser, the condenser is also connected with a circulating water heating water supply pipeline and a circulating water supply water return pipeline, a water outlet of the condenser is sequentially connected with a condensation pump, a deaerator and a boiler water supply pump, a water outlet of the boiler water supply pump is communicated with a water circulation pipeline inside the boiler, a tail gas discharge pipeline of the boiler is connected with a flue inlet of the desulfurizing tower, the desulfurizing tower is connected, the side wall of the chimney is connected with an industrial exhaust heat exchanger, and the industrial exhaust heat exchanger is connected with an industrial exhaust heat exchange heating water supply pipeline and an industrial exhaust heat exchange heating water return pipeline.
The utility model relates to an utilize steam turbine heat pump and industrial exhaust to carry out system of heat transfer heating, wherein the inboard upper portion of desulfurizing tower is provided with the thick liquid and sprays the layer, the thick liquid sprays the layer and connects the desulfurization circulating pump, and the desulfurization circulating pump connects the liquid storage tank of the inboard lower part of desulfurizing tower, the thick liquid sprays the layer top and is provided with the cooling and sprays the layer, and the cooling sprays the layer and connects the cooling slurry circulating pump, and the cooling sprays the liquid storage tank of the inboard lower part of desulfurizing tower, and the cooling sprays the layer top and is provided with the defroster, and the top of desulfurizing tower is connected with clean flue, is provided with the condensate return line in the clean flue, and the tip of clean flue is provided with chimney titanium steel composite sheet inner tube, and chimney titanium steel composite sheet inner tube is.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out system that heat transfer was heated, wherein the steam turbine is condensing steam turbine, and the steam turbine steam extraction condenses the release heat transfer at the condenser and gives the heating circulating water.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out heat transfer heating's system, wherein the boiler is high temperature high pressure parameter boiler.
The utility model relates to an utilize steam turbine heat pump and industry exhaust to carry out system of heat transfer heating, wherein water pump work is connected to the steam turbine, and many hydraulic turbines are connected to water pump outlet pressure water, and many hydraulic turbines drive the operation of heat pump compressor respectively.
The utility model relates to an utilize steam turbine heat pump and industry exhaust to carry out system of heat transfer heating, wherein the chimney lateral wall is connected with the fan, and the flue gas passes through the fan and introduces industry exhaust heat exchanger, and industry exhaust heat exchanger is arranged in heating the circulating water in the industry exhaust heat transfer heating supply channel.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out system of heat transfer heating, wherein first thick liquid heat exchanger gives the heating circulating water with thick liquid heat transfer.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out heat transfer heating's system, wherein steam turbine lug connection steam turbine heat pump work, steam turbine heat pump are used for heating the circulating water.
The utility model relates to an utilize steam turbine heat pump and industry exhaust to carry out system of heat transfer heating, wherein the welding of chimney titanium steel composite sheet inner tube top has chimney sleeve heater.
The utility model relates to an utilize steam turbine heat pump and industry exhaust to carry out system of heat transfer heating, wherein install heat pump heating circulating pump on the road of heat pump heating wet return, install circulating water heating circulating pump on the road of circulating water supply wet return.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust system and prior art difference lies in that carry out heat transfer heating, the utility model relates to an utilize steam turbine heat pump and industry to exhaust the system that carries out heat transfer heating provides a heating thermal efficiency and exceeds 160% high-efficient heating system. The utility model relates to an utilize steam turbine heat pump and industry to exhaust system that carries out heat transfer heating adopts the steam turbine directly to drag the operation of steam turbine heat pump, and the direct heating of steam turbine circulating water, flue gas waste heat heating is retrieved in the heat transfer of desulfurization thick liquid, need not solve the white cigarette problem of flue gas by the heat source heating, is a water saving system, and the high system that utilizes steam turbine heat pump and industry to exhaust and carry out heat transfer heating of heat utilization rate.
The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a process flow diagram of a system for heat exchange and heating using a steam turbine heat pump and industrial exhaust of the present invention;
FIG. 2 is a schematic diagram of the heat exchange and heating system using the steam turbine heat pump and the industrial exhaust of the present invention;
FIG. 3 is a schematic structural diagram of a desulfurizing tower in a system for heat exchange and heating by using a steam turbine heat pump and industrial exhaust gas according to the present invention;
the notation in the figures means: 1-a demister; 2-cooling the spray layer; 3-slurry spraying layer; 4-a desulfurizing tower; 5-cleaning the flue; 6-aluminum heat dissipation fins; 7-a desulfurization circulating pump; 8-slurry cooling means; 9-cooling the slurry circulating pump; 10-a recovery water pump; 11-a condensate reuse water pool; 12-chimney titanium steel composite board inner cylinder; 13-chimney concrete outer cylinder; 14-a flue inlet; 15-chimney sleeve heater; 16-a condensate return line; 17-industrial exhaust gas heat exchanger;
21-a deaerator; 22-a boiler; 23-a steam turbine; 24-a steam turbine heat pump; 25-heat pump heating circulating pump; 26-circulating water heating circulating pump; 27-a condenser; 28-a condensate pump; 29-boiler feed pump.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the utility model relates to a system for heat exchange and heating by steam turbine heat pump and industrial exhaust gas includes boiler 22, steam turbine 23, steam turbine heat pump 24 and desulfurizing tower 4, and boiler 22 is high temperature high pressure parameter boiler, replaces low efficiency heating boiler. The boiler 22 drives the turbine 23 to work, and the turbine 23 is a condensing turbine. The steam turbine 23 is connected with a water pump to work, pressure water at the outlet of the water pump is connected with a plurality of water turbines, and the plurality of water turbines respectively drive the compressor of the steam turbine heat pump 24 to work. In other embodiments, the turbine 23 may directly drive the compressor of the turbine heat pump 24. The steam turbine heat pump 24 is also connected with a heat pump heating water supply pipeline and a heat pump heating water return pipeline. The water in the heat pump heating line is heated at the turbine heat pump 24. The heated heat pump heating water supply pipeline is provided with high-temperature water which can supply heat to the outside. And a heat pump heating circulating pump 25 is arranged on the heat pump heating water return pipeline.
The steam outlet of the steam turbine 23 is connected with the steam inlet of the condenser 27, and the condenser 27 is further connected with a circulating water heating supply pipeline and a circulating water supply and return pipeline. The circulating water exchanges heat at the condenser 27. The condenser 27 discharges condensed exhaust gas to release heat, so that heating circulating water can be directly heated. High-temperature water is arranged in the heated circulating water heating supply pipeline, and heat can be supplied to the outside. And a circulating water heating circulating pump 26 is arranged on the circulating water supply return pipeline. The steam after heat exchange is converted into liquid water in the condenser 27, and enters the water circulation inside the boiler 22 from the water outlet of the condenser 27 through the condensation pump 28 and the deaerator 21 under the action of the boiler feed water pump 29.
The tail gas discharge pipeline of the boiler 22 is connected with the flue inlet of the desulfurizing tower 4. The high-temperature exhaust gas generated by the combustion of the boiler 22 enters the desulfurizing tower 4 through the flue and is subjected to a desulfurizing process before being discharged. The desulfurizing tower is connected with a first slurry heat exchanger, the first slurry heat exchanger is further connected with a desulfurizing slurry heat exchange water supply pipeline and a desulfurizing slurry heat exchange water return pipeline, and the first slurry heat exchanger transfers the slurry heat to heating circulating water. The liquid for heat exchange of the desulfurization slurry is heated after heat exchange of the first slurry heat exchanger, and heat can be supplied to the outside. The low-temperature water after heat supply enters a slurry cooling device 8 for heat exchange of the desulfurization slurry.
The flue inlet 14 is connected with the desulfurizing tower 4 by bolts, and the flue inlet 14 is used for introducing sulfur-containing flue gas.
Upper portion in the desulfurizing tower 4 is provided with the thick liquid and sprays layer 3, and the thick liquid sprays layer 3 and can spray the desulfurization thick liquid, and then absorbs sulfur dioxide, and the desulfurization thick liquid can be limestone slurry, and the sulfur dioxide in the flue gas can be absorbed to the limestone slurry. The slurry spray layer 3 in this embodiment is provided with five layers. The slurry spraying layer 3 is connected with the inner wall of the desulfurizing tower 4 through a flange, the other end of the flange is connected with a slurry inlet pipeline, the slurry inlet pipeline is connected with a liquid outlet of a desulfurizing circulating pump 7, and a liquid inlet of the desulfurizing circulating pump 7 is connected with a liquid storage tank at the lower part of the inner side of the desulfurizing tower 4 through a slurry outlet pipeline. And the desulfurization circulating pump 7 pumps the desulfurization slurry into the slurry spraying layer 3 from the liquid storage tank to treat the flue gas.
As shown in fig. 3, a cooling spray layer 2 is provided above the slurry spray layer 3 inside the desulfurization tower 4. The slurry spray layer 3 in this embodiment is provided with five layers. The cooling sprays layer 2 and 4 inner walls of desulfurizing tower and passes through flange joint, and the other end of flange is connected with coolant liquid inlet pipe, and coolant liquid inlet pipe links to each other with cooling slurry circulating pump 9's liquid outlet, and cooling slurry circulating pump 9's inlet passes through the liquid storage tank of coolant liquid outlet pipe and 4 inboard lower parts of desulfurizing tower and links to each other. And a slurry cooling device 8 is arranged on the outer wall of the cooling liquid inlet pipeline, and a desulfurization slurry heat exchange water supply pipeline and a desulfurization slurry heat exchange water return pipeline are respectively connected with the slurry cooling device 8. And the cooling slurry circulating pump 9 pumps the desulfurization slurry into the slurry cooling device 8 from the liquid storage tank to exchange heat with the slurry, and then the desulfurization slurry enters the cooling spraying layer 2 to treat the flue gas.
The slurry cooling device 8 in the embodiment is a second slurry heat exchanger, the flow rate of the second slurry heat exchanger is smaller than the conventional design flow rate, only 35-50% of the conventional design flow rate is needed, the width of a flow channel of the second slurry heat exchanger can be reduced to 10mm or a tubular heat exchanger is directly adopted from the conventional 20-40mm due to the reduction of the flow rate, and the probability of erosion corrosion of the second slurry heat exchanger is greatly reduced due to the reduction of the flow rate.
The slurry cooling device can also adopt a slurry radiator, a cooling liquid inlet pipeline is connected with a liquid outlet of the slurry radiator, a liquid inlet of the slurry radiator is connected with a liquid outlet of a cooling slurry circulating pump through a rubber lining pipeline, and an air cooling tower is arranged at the upper part of the slurry radiator.
In the inside of desulfurizing tower 4, the cooling sprays 2 tops on layer and is provided with defroster 1, and defroster 1 and desulfurizing tower 4 are through a supporting beam fixed connection. The demister 1 in this embodiment has three layers.
The upper part of the desulfurizing tower 4 is connected with a clean flue 5, and the clean flue 5 is used for passing the desulfurized flue gas. A condensed water return pipeline 16 with the diameter of DN200 is arranged in the clean flue 5 and is used for collecting the condensed water in the clean flue 5 for secondary utilization. The other end of the condensed water return pipeline 16 is connected with a condensed water reuse tank 11, and the condensed water reuse tank 11 is connected with a recovery water pump 10 through a pipeline.
The end part of the clean flue 5 is provided with a chimney titanium steel composite plate inner cylinder 12, and the clean flue 5 is connected with the chimney titanium steel composite plate inner cylinder 12 through a bolt. The chimney titanium steel composite plate inner cylinder 12 is positioned inside the chimney concrete outer cylinder 13 and is suspended and supported in the chimney concrete outer cylinder 13. The supporting platform between the inner cylinder and the outer cylinder of the chimney is of a steel plate mesh air passing structure. Chimney titanium steel complexThe outer wall of the plywood inner cylinder 12 is not provided with a heat insulation material and is provided with aluminum radiating fins 6, and the aluminum radiating fins 6 are connected with the chimney titanium steel composite board inner cylinder 12 in a welding manner. In the embodiment, 304 stainless steel or aluminum radiating fins 6 are welded on the outer wall of the chimney titanium steel composite plate inner cylinder 12 at intervals of 0.1m along the longitudinal direction, the height of each fin is 100m, the width of each fin is 0.5m, the thickness of each fin is 1mm, and the double-sided radiating area of each fin is 100m2. For a chimney of a 1000MW unit with the diameter of 8.6m and the number of welded fins of 260, the total heat dissipation area is 2.6 ten thousand m2The heat transfer load is 26MW at the ambient temperature of 0 ℃ and the flue gas temperature of 50 ℃. The heat of the flue gas is transferred to the air between the inner cylinder and the outer cylinder of the chimney through the chimney wall and the aluminum radiating fins 6, the temperature of the flue gas is reduced, and the vapor in the flue gas is condensed for about 35t/h in the chimney and automatically flows to the clean flue 5. The air between the inner cylinder and the outer cylinder of the chimney is heated by the smoke, the capacity of dissolving water vapor is increased when the temperature of the air rises, updraft is formed and is mixed with the smoke at the outlet of the chimney, and the purposes of cooling, dehumidifying and eliminating white smoke of the smoke are achieved in the process under the condition that an external heat source is not needed for heating.
A chimney sleeve heater 15 is welded above the inner cylinder of the chimney titanium steel composite plate, the chimney sleeve heater 15 is wrapped on the outer wall of the inner cylinder of the chimney titanium steel composite plate by a Q235 steel plate of 6mm and welded in a sealing mode, and the height of the chimney sleeve heater is 5 m. The chimney sleeve heater 15 is provided with a steam inlet and a condensed water outlet. When the ambient temperature is lower than 0 ℃, steam is introduced into the chimney sleeve heater 15 to heat the smoke, and white smoke is completely eliminated.
A U-shaped pipeline is arranged on the side wall of the chimney, the upper end and the lower end of the U-shaped pipeline are communicated with the chimney, and air in the U-shaped pipeline and air in the chimney are driven to circulate by a fan. An industrial exhaust heat exchanger 17 is further arranged on the U-shaped pipeline, the industrial exhaust heat exchanger 17 is connected with an industrial exhaust heat exchange heating water return pipeline and an industrial exhaust heat exchange heating water supply pipeline, and waste heat of tail gas in the chimney is used for heating circulating water. The industrial exhaust gas heat exchanger 17 may also be directly attached to the stack side wall.
When the desulfurizing tower 4 works, the flue gas to be desulfurized enters the desulfurizing tower 4 through the flue inlet 14, the slurry in the desulfurizing tower 4 is pumped into the slurry spraying layer 3 by the desulfurization circulating pump 7, and the slurry and the sulfur dioxide in the flue gas are absorbed after being sprayed out from the slurry spraying layer 3; the cooling slurry circulating pump 9 pumps the slurry in the desulfurizing tower 4 into the second slurry heat exchanger, the second slurry heat exchanger enters a cooling water flow channel through external cooling water to cool the slurry, and the cooled slurry enters the desulfurizing tower 4 to treat the flue gas; the desulfurized flue gas enters the chimney titanium steel composite plate inner cylinder 12 through the clean flue 5, the flue gas transfers heat to air through the aluminum radiating fins 6 on the outer wall of the chimney titanium steel composite plate inner cylinder 12, the temperature of the flue gas is reduced, steam is condensed and flows to a condensed water recycling system, the temperature of the heated air is increased, the capacity of dissolving the steam is increased, an ascending air flow is formed, and the ascending air flow is mixed with the flue gas at a flue gas outlet to eliminate white smoke; when the ambient temperature is lower than 0 ℃, steam is introduced into the chimney sleeve heater 15 to raise the temperature of the smoke, so that the aim of completely eliminating white smoke is fulfilled.
The following comparisons are made with reference to a 40MW hot water boiler heating system:
the conventional design 40MW heating hot water boiler has the thermal efficiency of over 80 percent and can meet the heating load of a building area of 100 ten thousand square meters. A40 MW high-temperature high-pressure (or medium-temperature medium-pressure) boiler is designed, a 12MW condensing steam turbine is matched, the steam turbine directly drags a compressor of a steam turbine heat pump to operate or the steam turbine drags a water pump to operate, and pressure water pushes a plurality of small water turbines to be respectively connected with a heat pump compressor to operate. The input-output ratio of the heat pump of the large steam turbine is 1: 4, the design is that the heat pump of the steam turbine inputs power of 12MW, and the heat pump outputs heat supply load of 48 MW; the exhaust steam of the steam turbine is condensed and released to supply heat to the circulating water with 24MW load; the heat load of heat exchange and heating of the desulfurized slurry is 4 MW; and 4MW for industrial exhaust heat exchange and heating. The total external heating load is 48MW +24MW +4MW +4MW which is 80MW, under the operating condition that a steam turbine is adopted to drag the heat pump, the total heating load reaches 80MW, under the condition that the same coal is consumed, the heating load of 200 ten thousand square meters is met, the heating area is doubled, and the investment recovery period is 2 years.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust and carry out heat transfer heating's system provides a heating thermal efficiency and exceeds 160% high-efficient heating system. The utility model relates to an utilize steam turbine heat pump and industrial exhaust to carry out system of heat transfer heating adopts the steam turbine directly to drag the operation of steam turbine heat pump, and the steam turbine circulating water directly heats, and chimney industry exhaust heat transfer heating, flue gas waste heat heating is retrieved in the heat transfer of desulfurization thick liquid, need not solve the white cigarette problem of flue gas by the heat source heating, is a economizer system water, and the high steam turbine heat pump of utilization of heat utilization rate and industrial exhaust carry out the system of heat transfer heating.
The utility model relates to an utilize steam turbine heat pump and industry exhaust to carry out heat transfer heating's system is provided with chimney titanium steel composite sheet inner tube at the tip of clean flue to be provided with aluminium radiating fin on chimney titanium steel composite sheet inner tube outer wall. The heat of the flue gas is transferred to the air between the inner cylinder and the outer cylinder of the chimney through the chimney wall and the aluminum radiating fins, the temperature of the flue gas is reduced, and water vapor in the flue gas is condensed in the chimney and automatically flows to a clean flue at the bottom of the chimney. The air between the inner cylinder and the outer cylinder of the chimney is heated by the smoke, the capacity of dissolving water vapor is increased when the temperature of the air is increased, an ascending air flow is formed and is mixed with the smoke at the outlet of the chimney, and therefore the purposes of cooling, dehumidifying and eliminating white smoke of the smoke are achieved.
The utility model relates to an utilize steam turbine heat pump and industrial exhaust to carry out system of heat transfer heating sets up condensate return line in clean flue, and the water recovery that condenses in the clean flue is recycled with recovery water pump to cooperation condensate reuse pond, has practiced thrift the desulfurization system water.
The utility model relates to an utilize steam turbine heat pump and industrial exhaust to carry out heat transfer heating's system sets up chimney sleeve heater on chimney titanium plate composite sheet inner tube upper portion, when ambient temperature is less than 0 ℃, sets up chimney sleeve heater on chimney titanium plate composite sheet inner tube upper portion, and sleeve heater parcel chimney inner tube outer wall welding forms the cavity that lets in steam, lets in steam turbine low pressure extraction heating flue gas, and make full use of steam condenses the heat, reduces the running cost.
The utility model relates to an utilize steam turbine heat pump and industry to exhaust system that carries out heat transfer heating cools off the thick liquid through setting up thick liquid cooling device, sprays the first layer desulfurization and sprays the layer and set up to 35 ~ 50% flow and spray, reduces the thick liquid flow to reduce desulfurization system resistance, reduce power consumption, reduce thick liquid indirect heating equipment and erode corrosion rate.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a system for utilize steam turbine heat pump and industry to exhaust and carry out heat transfer heating which characterized in that: including boiler, steam turbine heat pump, multiple heat exchanger and desulfurizing tower for carrying out the heat transfer, the boiler drives the work of steam turbine, and the steam turbine drives the work of steam turbine heat pump, and steam turbine heat pump still is connected with heat pump heating supply tube way and heat pump heating return water pipeline, and the steam outlet of steam turbine links to each other with the steam inlet of condenser, the condenser still is connected with circulating water heating supply tube way and circulating water supply return water pipeline, and the delivery port of condenser connects gradually condensate pump, oxygen-eliminating device and boiler feed pump, and the delivery port of boiler feed pump communicates the inside water circulation pipeline of boiler, and the tail gas emission pipeline of boiler connects the inlet flue of desulfurizing tower, and the desulfurizing tower is connected with first thick liquid heat exchanger, and desulfurizing slurry heat transfer supply tube way and desulfurizing slurry heat transfer return water pipeline are connected to first thick liquid heat exchanger, and the chimney lateral wall is connected with industry exhaust heat exchanger .
2. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the inboard upper portion of desulfurizing tower is provided with the thick liquid and sprays the layer, the thick liquid sprays the layer and connects the desulfurization circulating pump, and the liquid reserve tank of the inboard lower part of desulfurizing tower is connected to the desulfurization circulating pump, the thick liquid sprays the layer top and is provided with the cooling and sprays the layer, and the cooling sprays the layer and connects the cooling thick liquid circulating pump, and the liquid reserve tank of the inboard lower part of cooling thick liquid circulating pump connection desulfurizing tower, the cooling sprays the layer top and is provided with the defroster, and the top of desulfurizing tower is connected with clean flue, is provided with the condensate return line in the clean flue, and the tip of clean flue is provided with chimney titanium steel composite sheet inner tube, and chimney titanium steel composite sheet inner tube is located.
3. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the steam turbine is a condensing steam turbine, and the exhaust steam of the steam turbine is condensed in a condenser to release heat and transmit the heat to heating circulating water.
4. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the boiler is a high-temperature high-pressure parameter boiler.
5. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the steam turbine is connected with the water pump to work, pressure water at the outlet of the water pump is connected with a plurality of water turbines, and the plurality of water turbines respectively drive the heat pump compressor to operate.
6. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the side wall of the chimney is connected with a fan, flue gas is introduced into an industrial exhaust heat exchanger through the fan, and the industrial exhaust heat exchanger is used for heating circulating water in an industrial exhaust heat exchange heating water supply pipeline.
7. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the first slurry heat exchanger transfers slurry heat to heating circulating water.
8. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: the steam turbine is directly connected with a steam turbine heat pump to work, and the steam turbine heat pump is used for heating circulating water.
9. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 2, wherein: and a chimney sleeve heater is welded above the inner cylinder of the chimney titanium steel composite plate.
10. The system for heat exchange and heating by using the steam turbine heat pump and the industrial exhaust gas as claimed in claim 1, wherein: and a heat pump heating circulating pump is arranged on the heat pump heating water return pipeline, and a circulating water heating circulating pump is arranged on the circulating water supply water return pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831564.0U CN213395512U (en) | 2020-05-18 | 2020-05-18 | System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831564.0U CN213395512U (en) | 2020-05-18 | 2020-05-18 | System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213395512U true CN213395512U (en) | 2021-06-08 |
Family
ID=76177663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020831564.0U Active CN213395512U (en) | 2020-05-18 | 2020-05-18 | System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213395512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245774A1 (en) * | 2022-06-24 | 2023-12-28 | 张近 | Power generation heating device based on air energy boiler |
-
2020
- 2020-05-18 CN CN202020831564.0U patent/CN213395512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245774A1 (en) * | 2022-06-24 | 2023-12-28 | 张近 | Power generation heating device based on air energy boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11821637B2 (en) | Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating | |
| CN101709879B (en) | System for deep cooling and waste heat recovery of smoke gas in boiler | |
| WO2018014768A1 (en) | Residual heat reuse system for turbine-boiler integrated heat energy circulation | |
| CN201568088U (en) | Cogeneration system for directly recycling waste heat of exhaust steam from power station steam turbine with absorption type heat pump | |
| CN107120714A (en) | A kind of thermal power plant boiler fume afterheat is used for the whole yearization comprehensive utilization energy conserving system of central heating or heating boiler feed water | |
| CN201181044Y (en) | Large-temperature difference central heating unit | |
| CN105889897B (en) | A kind of thermal power plant residual heat integrative recycling system and method | |
| JP2014509559A (en) | Exhaust extraction sludge drying system of boiler unit with heat compensation | |
| CN102287835A (en) | Boiler wet-type slag removal system | |
| CN109945277A (en) | A kind of energy conserving system being used for central heating using electric heat pump depth recycling remaining heat of flue gas from steam power plant | |
| CN102607011A (en) | Multi-stage utilization system for transferring exhaust afterheat energy of power station boiler | |
| CN201636884U (en) | Deep cooling and waste heat recovery device for boiler smoke gas | |
| CN109737446A (en) | A kind of recycling of power plant boiler smoke discharging residual heat and flue gas disappear white system | |
| CN205065770U (en) | Flue gas waste heat recovery device | |
| CN102410549A (en) | Composite phase change heat exchange system for flue gas heat recovery of boiler | |
| CN107202318A (en) | A kind of heat of smoke discharged from boiler of power station deep exploitation and water reclamation system | |
| CN213395512U (en) | System for heat exchange and heating by utilizing steam turbine heat pump and industrial exhaust | |
| CN205332168U (en) | Waste heat comprehensive recovery utilization system of thermal power factory | |
| CN201697142U (en) | Wet slag removal system of boiler | |
| CN101038137A (en) | Automatic control system for wall temperature of boiler discharged smoke heat recovery heat exchanger | |
| CN210532424U (en) | Low-temperature waste heat utilization system | |
| CN202511307U (en) | Compound phase change heat exchange system for recycling boiler flue gas waste heat | |
| CN202203970U (en) | Secondary energy saving and utilizing device for furnace exhaust gas waste heat | |
| CN204665333U (en) | Smoke waste heat utilization system | |
| CN207621985U (en) | A kind of boiler smoke heat reclaiming system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |