CN206247310U - condensed water circulation heating device - Google Patents
condensed water circulation heating device Download PDFInfo
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- CN206247310U CN206247310U CN201621340452.5U CN201621340452U CN206247310U CN 206247310 U CN206247310 U CN 206247310U CN 201621340452 U CN201621340452 U CN 201621340452U CN 206247310 U CN206247310 U CN 206247310U
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- Prior art keywords
- steam
- water
- heat
- heater
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000010438 heat treatment Methods 0.000 title abstract description 10
- 238000009825 accumulation Methods 0.000 claims abstract description 32
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims description 21
- 230000005494 condensation Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims 1
- 238000009628 steelmaking Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005338 heat storage Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000009998 heat setting Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a condensate water circulation heating device, include: a steam turbine having a waste steam outlet and a steam inlet; the converter is provided with a waste heat output port; the condenser is provided with a dead steam inlet and a condensed water outlet, and the dead steam inlet is connected with the dead steam outlet through a steam pipeline; the steam heat accumulator is provided with a heat accumulation inlet and a heat accumulation outlet, and the heat accumulation inlet is connected with the waste heat output port through a first heat accumulation pipeline; the condensed water heater is provided with a condensed water channel and a steam channel, one end of the condensed water channel is connected with a condensed water outlet through a condensed water pipeline, and the other end of the condensed water channel is connected with the deaerator through a deaerating pipeline; one end of the steam channel is connected with the heat storage outlet through a second heat storage pipeline, and the other end of the steam channel is connected with a water tank of a steelmaking workshop through a water tank pipeline; and the boiler is connected with the deaerator through a water inlet pipeline and is connected with a steam inlet of the steam turbine through a steam outlet pipeline. The utility model discloses a condensate circulating heating device can avoid steelmaking waste heat steam extravagant, improves economic benefits.
Description
Technical field
The utility model is related to a kind of device for utilizing and making steel waste-heat condensate, more particularly in a kind of blast furnace smelting
Condensate circulating heater in refining field.
Background technology
Some iron and steel enterprises can self-built generating set, the energy-saving of turbine LP rotors condensate system is raising machine
The important channel of group economic benefit.Usual steam turbine carrys out heat-setting water, it is necessary to expend substantial amounts of steam turbine by multiple stage heater
In steam, so as to reduce the generated energy of steam turbine.
Meanwhile, in iron and steel enterprise, due to the particularity of pneumatic steelmaking Vaporizing cooling technique, cause to be produced in steelmaking process
Steam there is discontinuity and fluctuation, the pressure of the steam, temperature and yield are unstable, have thereby resulted in pneumatic steelmaking
The steam heat recovery produced during Vaporizing cooling is difficult, haves no alternative but, by steam releasing to air, cause energy waste.
Therefore, it is necessary to providing a kind of steamer effectively can be replaced using the device of afterheat steam heat-setting water is made steel
Machine draws gas the device of heat-setting water, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of condensate circulating heater, and it can be by during steel-making Vaporizing cooling
The steam of generation is stored by steam accumulator, and then the condensate that steam turbine is produced is heated, and makes afterheat steam
Recycled, reduced the amount of drawing gas to steam turbine, improve the economic benefit of steel plant.
The purpose of this utility model is to provide a kind of condensate circulating heater, including：
Steam turbine, it has exhaust steam outlet and steam inlet；
Converter, it has waste heat delivery outlet；
Condenser, it has exhaust steam entrance and condenses water out, and the exhaust steam entrance passes through steam with exhaust steam outlet
Pipeline is connected；
Steam accumulator, there is accumulation of heat entrance and accumulation of heat to export for it, and the accumulation of heat entrance passes through the first accumulation of heat pipeline and institute
State the waste heat delivery outlet connection of converter；
Condensation water heater, it has condensed water passage and steam channel, and one end of the condensed water passage is by condensing
Waterpipe is connected with the condensation water out of the condenser, and the other end of the condensed water passage passes through deoxygenation pipeline and oxygen-eliminating device
Connection；One end of the steam channel is exported by the second accumulation of heat pipeline and the accumulation of heat and is connected, the steam channel it is another
End is connected by tank pipe with steelshop water tank；
Boiler, it passes through water inlet pipe and is connected with the oxygen-eliminating device, and the boiler passes through steam outlet pipe road and the steam turbine
Steam inlet connection.
Condensate circulating heater as described above, wherein, the condensation water heater and the steelshop water tank
Between be provided with water pump, the water pump is connected on the tank pipe.
Condensate circulating heater as described above, wherein, the condenser is water-cooled condenser.
Condensate circulating heater as described above, wherein, the steam accumulator is pressure variable ssteam heat storage device.
Condensate circulating heater as described above, wherein, the oxygen-eliminating device is low pressure oxygen-eliminating device.
Condensate circulating heater as described above, wherein, the condensation water heater is low pressure condensate water heater.
Condensate circulating heater as described above, wherein, the converter is alkaline basic oxygen furnace.
Condensate circulating heater as described above, wherein, the water inlet pipe is provided with water pump.
The characteristics of the utility model and advantage are：
Condensate circulating heater of the present utility model, by setting steam accumulator, can reclaim and store steel-making
During afterheat steam, it is not necessary to steam is extracted from steam turbine, it is to avoid the waste of steel-making afterheat steam, improves steamer
The generated energy of machine, improves economic benefit.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of condensate circulating heater of the present utility model.
Drawing reference numeral explanation：1st, steam turbine；101st, exhaust steam outlet；102nd, steam inlet；12nd, jet chimney；2nd, condenser；
21st, exhaust steam entrance；22nd, water out is condensed；25th, condensing water conduit；3rd, converter；31st, waste heat delivery outlet；34th, the first accumulation of heat pipeline；
4th, steam accumulator；41st, accumulation of heat entrance；42nd, accumulation of heat outlet；45th, the second accumulation of heat pipeline；5th, condensation water heater；51st, condensate
Passage；52nd, steam channel；56th, tank pipe；58th, deoxygenation pipeline；6th, water pump；7th, steelshop water tank；8th, oxygen-eliminating device；89th, enter
Waterpipe；9th, boiler；91st, steam outlet pipe road；10th, water pump.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, the utility model provides a kind of condensate circulating heater, including：Steam turbine 1, it has weary
Vapor outlet 101 and steam inlet 102；Converter 3, it has waste heat delivery outlet 31；Condenser 2, it has exhaust steam entrance 21 and coagulates
Outlet 22 is born water, the exhaust steam entrance 21 is connected with exhaust steam outlet 101 by jet chimney 12；Steam accumulator 4, its tool
There are accumulation of heat entrance 41 and accumulation of heat outlet 42, the accumulation of heat entrance 41 is defeated with the waste heat of the converter 3 by the first accumulation of heat pipeline 34
Outlet 31 is connected；Condensation water heater 5, it has condensed water passage 51 and steam channel 52, the one of the condensed water passage 51
End is connected by condensing water conduit 25 with the condensation water out 22 of the condenser 2, and the other end of the condensed water passage 51 leads to
Deoxygenation pipeline 58 is crossed to be connected with oxygen-eliminating device 8；One end of the steam channel 52 is gone out by the second accumulation of heat pipeline 45 and the accumulation of heat
Mouth 42 is connected, and the other end of the steam channel 52 is connected by tank pipe 56 with steelshop water tank 7；Boiler 9, it passes through
Water inlet pipe 89 is connected with the oxygen-eliminating device 8, and the boiler 9 passes through the steam inlet 102 in steam outlet pipe road 91 and the steam turbine 1
Connection.Condensate circulating heater of the present utility model, by setting steam accumulator 4, can reclaim and storage was made steel
Afterheat steam in journey, it is not necessary to extract steam from steam turbine 1, it is to avoid the waste of steel-making afterheat steam, improves steam turbine 1
Generated energy, improve economic benefit.
Steam turbine 1 is a thermal power machinery, and its effect is that the steam thermal energy for transmitting boiler changes into mechanical energy,
Steam turbine is made up of rotor and cylinder, and many blades are housed on rotor, also there is corresponding blade on cylinder, is dividing plate, rotor leaf
A piece level corresponding with cylinder dividing plate composition, how many grade blade is corresponded, material is thus formed vapour with regard to how many dividing plate
The energy Switching Core of turbine, the heat energy of high-temperature steam is exactly to change into mechanical energy by this internal structure, continuously
High-temperature steam, by steam turbine, with regard to continuously being done work, pushing turbine rotor rotates at a high speed, then with shaft coupling corresponding
Mechanical connection get up, just can externally do work.In the present embodiment, as shown in figure 1, steam turbine 1 has an exhaust steam outlet
101 and a steam inlet 102, discharged after high-temperature steam acting calorific potential can steam export 101 rows from the exhaust steam of steam turbine
Go out.
Converter 3 is with molten iron, steel scrap, ferroalloy as primary raw material, not by external energy, by iron liquid physical thermal in itself
Chemically reacted and between iron liquid component and produce heat and steelmaking process is completed in converter.Converter is mainly for the production of carbon steel, alloy
The smelting of steel and copper and mickel.The generation high-temperature steam that converter 3 can be interrupted in steelmaking process, in the present embodiment, converter 3 has
Have surplus heat delivery outlet 31, and converter 3 is alkaline basic oxygen furnace, and it has, and speed of production is fast, yield big, single furnace output is high, into
This is low, small investment the advantages of, be to use most common steelmaking equipment at present.
Condenser 2 is a kind of heat exchanger that the steam discharge of steam turbine 1 is condensed into water, and also known as steam condenser, there is exhaust steam to enter for it
Mouth 21 and condensation water out 22, can be converted into condensate by exhaust steam.Condenser 2 is mainly used in steam turbine power plant, point
It is two kinds of water-cooled condenser and air cooling tubes condenser.In the present embodiment, from water-cooled condenser, it constitutes single by shell and tube bank
Flow, pipe is copper alloy tube, uses fresh water cooled.Condenser 2 is reused except the exhaust steam that steam turbine 1 is produced is condensed into water
Outward, moreover it is possible to vacuum is set up at the steam discharge of steam turbine 1 and vacuum is maintained, so that beneficial to extraction exhaust steam.
Steam accumulator 4, it has accumulation of heat entrance 41 and accumulation of heat outlet 42, and the accumulation of heat entrance 41 passes through the first heat accumulation pipe
Road 34 is connected with the waste heat delivery outlet 31 of the converter 3.Specifically, it is generally the case that in Industrial Boiler steam-supplying system if
Steam consumption often occurs significantly to fluctuate, and can not only cause boiler pressure, water level to fluctuate up and down, operates boiler operatiopn tired
Difficulty, also results in boiler combustion efficiency reduction.It is of the present utility model in this case can be effectively steady using steam accumulator 4
Determine the load of converter 3, improve the service condition of converter 3, the reduction of the efficiency of converter 3 is not made.Steam accumulator 4 has pressure swing type and constant-pressure type two
Class, the operating pressure of variable-pressure accumulator changes with the increase and decrease of institute's quantity of heat storage, wherein most typically pressure swing type steam accumulation of heat
Device；The operating pressure of constant-pressure type storage heater is constant, wherein the most commonly used with the storage heater that feeds water.Steam accumulator 4 be with water be situated between
The storage vapour accumulation of heat steam pressure container of matter, it is to improve steam to be set using a kind of efficient energy-saving and emission-reducing of reliability and economy
Standby, steam accumulator 4 is suitable to the larger heating system of vapour load fluctuation, and instantaneous steam consumption has the heating system of larger demand, vapour
Source interval is produced or the big heating system of flowed fluctuation is, it is necessary to store steam, in case the heating system for needing at any time or equipment are protected
Heating system of temperature etc. uses vapour, can all set up steam accumulator.In the present embodiment, i.e., from pressure variable ssteam heat storage device.
Because of the oxygen dissolved in water, heavy corrosion can be caused to boiler feedwater pipeline, economizer and other auxiliary devices.Deoxygenation
Device 8, can not only remove the dissolved oxygen in boiler feedwater, and can remove the carbon dioxide CO dissociated in water2, nitridation hydrogen NH3, sulphur
Change hydrogen H2The corrosive gas such as S.Salt content and other impurity will not be increased in water after deoxygenation, water temperature is typically in room temperature condition
Under, the oxygen content of water outlet remains to meet regulation requirement.
Boiler 9 is the equipment of the interior energy that the chemical energy of fuel is converted into water, and it passes through water inlet pipe 89 and connects with oxygen-eliminating device 8
Connect, be connected with the steam inlet 102 of steam turbine 1 by steam outlet pipe road 91, by the treated deaerated water of oxygen-eliminating device 8 in boiler 9
In be heated vaporization, high-temperature steam by steam outlet pipe road 91 enter steam turbine 1.
Further, water pump 6 is provided between condensation water heater 5 and steelshop water tank 7, water pump 6 can be extracted quickly
The water of the condensation in the steam channel 52 of condensation water heater 5, improves the operating efficiency of condensation water heater 5.
Further, water pump 10 is additionally provided with water inlet pipe 89, to improve the efficiency of the water inlet of boiler 9.
The operation principle of condensate circulating heater of the present utility model is：Condensate circulating-heating of the present utility model
It is divided into afterheat steam path inside device and condenses water passage：On the one hand, converter 3 produces the waste heat of interruption to steam in the course of the work
Vapour, afterheat steam is discharged from the waste heat delivery outlet 31 of converter 3, and into steam accumulator 4, steam accumulator 4 saves afterheat steam,
Afterheat steam is transported to the steam channel 52 in condensation water heater 5 again, afterheat steam condenses into liquid in steam passage 52
State water, finally flows into steelshop water tank, and this is afterheat steam path；On the other hand, the exhaust steam in steam turbine 1 is exported from exhaust steam
101 enter condenser 2 by jet chimney 12, produce condensate, condensate to enter condensation water heater 5 in condenser 2
In condensed water passage 51, condensate is heated by the afterheat steam in steam channel 52, and heated condensate is passed through oxygen-eliminating device 8 and becomes
Into deaerated water, deaerated water enters back into boiler 9, and deaerated water is heated into high-temperature steam by boiler 9, and high-temperature steam is passed through steam turbine 1 again,
Circulation is realized, this is condensation water passage.Wherein, afterheat steam path and condensation water passage realize heat in condensation water heater 5
Exchange.
Condensate circulating heater of the present utility model, by setting steam accumulator 4, can reclaim and store steel-making
During afterheat steam, it is not necessary to extract steam from steam turbine 1 and carry out heat-setting water, it is to avoid the wave of steel-making afterheat steam
Take, improve the generated energy of steam turbine 1, improve economic benefit.
The schematical specific embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the done equivalent change on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (8)
1. a kind of condensate circulating heater, it is characterised in that the condensate circulating heater includes：
Steam turbine, it has exhaust steam outlet and steam inlet；
Converter, it has waste heat delivery outlet；
Condenser, it has exhaust steam entrance and condenses water out, and the exhaust steam entrance passes through jet chimney with exhaust steam outlet
It is connected；
Steam accumulator, there is accumulation of heat entrance and accumulation of heat to export for it, and the accumulation of heat entrance passes through the first accumulation of heat pipeline with described turn
The waste heat delivery outlet connection of stove；
Condensation water heater, its one end with condensed water passage and steam channel, the condensed water passage passes through condensate pipe
Road is connected with the condensation water out of the condenser, and the other end of the condensed water passage is connected by deoxygenation pipeline with oxygen-eliminating device
Connect；One end of the steam channel is exported with the accumulation of heat by the second accumulation of heat pipeline and is connected, the other end of the steam channel
It is connected with steelshop water tank by tank pipe；
Boiler, it passes through water inlet pipe and is connected with the oxygen-eliminating device, and the boiler passes through the steaming in steam outlet pipe road and the steam turbine
Vapour entrance is connected.
2. condensate circulating heater as claimed in claim 1, it is characterised in that the condensation water heater and the refining
Water pump is provided between the water tank of steel workshop, the water pump is connected on the tank pipe.
3. condensate circulating heater as claimed in claim 1, it is characterised in that the condenser is water-cooled condenser.
4. condensate circulating heater as claimed in claim 1, it is characterised in that the steam accumulator is that pressure swing type steams
Vapour storage heater.
5. condensate circulating heater as claimed in claim 1, it is characterised in that the oxygen-eliminating device is low pressure oxygen-eliminating device.
6. condensate circulating heater as claimed in claim 1, it is characterised in that the condensation water heater is solidifying for low pressure
Bear water heater.
7. condensate circulating heater as claimed in claim 1, it is characterised in that the converter is that alkaline oxygen top blast turns
Stove.
8. condensate circulating heater as claimed in claim 1, it is characterised in that the water inlet pipe is provided with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340452.5U CN206247310U (en) | 2016-12-07 | 2016-12-07 | condensed water circulation heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340452.5U CN206247310U (en) | 2016-12-07 | 2016-12-07 | condensed water circulation heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206247310U true CN206247310U (en) | 2017-06-13 |
Family
ID=59005461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621340452.5U Active CN206247310U (en) | 2016-12-07 | 2016-12-07 | condensed water circulation heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206247310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765036A (en) * | 2016-12-07 | 2017-05-31 | 北京京诚科林环保科技有限公司 | condensed water circulation heating device |
-
2016
- 2016-12-07 CN CN201621340452.5U patent/CN206247310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765036A (en) * | 2016-12-07 | 2017-05-31 | 北京京诚科林环保科技有限公司 | condensed water circulation heating device |
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