CN110657480A - Energy saver of heat exchange unit - Google Patents
Energy saver of heat exchange unit Download PDFInfo
- Publication number
- CN110657480A CN110657480A CN201910941450.3A CN201910941450A CN110657480A CN 110657480 A CN110657480 A CN 110657480A CN 201910941450 A CN201910941450 A CN 201910941450A CN 110657480 A CN110657480 A CN 110657480A
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- China
- Prior art keywords
- water
- pipe
- mixer
- pressure
- water inlet
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000001514 detection method Methods 0.000 claims description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- COCAUCFPFHUGAA-MGNBDDOMSA-N n-[3-[(1s,7s)-5-amino-4-thia-6-azabicyclo[5.1.0]oct-5-en-7-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound C=1C=C(F)C([C@@]23N=C(SCC[C@@H]2C3)N)=CC=1NC(=O)C1=CC=C(Cl)C=N1 COCAUCFPFHUGAA-MGNBDDOMSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1091—Mixing cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
In order to solve the problem of waste of heat energy and water of the conventional heat exchange unit, the invention provides an energy saver for the heat exchange unit, which is characterized by mainly comprising a water mixer, wherein a condensed water inlet pipe, a water supplementing pipe and a pressure relief pipe are connected to the water mixer, the water mixer is a pipe body which is hollow and has a Venturi tube structure and two openings at two ends, one end of the water mixer is a circulating water inlet, the circulating water inlet is connected with a secondary net water return end, the other end of the water mixer is a circulating water outlet, the condensed water inlet pipe is connected with a Venturi tube structure in the water mixer at the end close to the circulating water outlet, the water supplementing pipe is used for supplementing water into the water mixer, the water supplementing pipe is close to one side of the circulating water inlet, the pressure relief pipe is used for connecting the water mixer and a pressure relief device, and the pressure relief pipe is positioned at, The pressure energy and water are fully utilized, and the purposes of saving energy, water and electricity are achieved.
Description
Technical Field
The invention relates to the technical field of heat exchange units, in particular to an energy saver of a heat exchange unit.
Background
At present, in the heating and process hot water production of industrial enterprise plant areas and the central heating of urban units and residential communities in areas without steam-to-water conversion, steam is converted into hot water with a certain temperature by using a steam-water heat exchanger unit, so that the requirements of heating or production processes are met. The heat medium is generally steam from a self-contained boiler of a thermal power plant or a heating power company or an enterprise, the condensed water has different temperatures according to different use working conditions, and in view of comprehensive consideration in the aspect of economy, the condensed water generally has no special recovery system and is theoretically only used for supplementing water in a secondary network system. The existing heat exchange process flow is that steam forms condensed water through a heat exchanger, and the condensed water flows through a drain valve and enters a water replenishing tank. The three reasons are that under the condition of the existing heat exchange flow, soft water entering the water tank from a float valve port is mainly used for supplementing into a secondary network system, and most of steam condensate continuously flows into a sewer through an overflow port of the water tank, so that the waste heat, the pressure energy and the high-quality condensate generated in the process cannot be fully and effectively utilized, and larger energy and water waste exist. Meanwhile, the cost of certain electric energy and water supplementing resources and the manual maintenance cost are increased.
Disclosure of Invention
In order to solve the problems, the invention provides an energy saver of a heat exchanger unit, which adopts the following technical scheme:
the utility model provides a heat exchanger group energy-saving appliance, its characterized in that mainly includes water mixer, be connected with the condensate inlet pipe, moisturizing pipe and pressure release pipe on the water mixer, wherein:
the water mixer is a pipe body with openings at two ends, the interior of the pipe body is hollow, and the pipe body is of a Venturi pipe structure;
the condensed water inlet pipe is connected with a Venturi tube structure inside the water mixer at one end close to the circulating water outlet;
the water replenishing pipe is used for replenishing water into the water mixer, and is close to one side of the circulating water inlet;
and the pressure relief pipe is used for connecting the water mixer and the pressure relief device and is positioned on one side close to the circulating water inlet.
Preferably, the water mixer is further provided with a temperature detection port and a pressure detection port, and the temperature detection port and the pressure detection port are respectively provided with a temperature sensor and a pressure sensor.
Preferably, a switch electromagnetic valve for controlling the on-off of the condensed water inlet is arranged at the condensed water inlet.
Preferably, the water replenishing pipe and the pressure relief pipe are both provided with switch valves.
Preferably, still include the PLC controller, temperature sensor and pressure sensor all link to each other with the signal input part of PLC controller, switch solenoid valve links to each other with PLC's signal output part.
Preferably, the signal input end of the PLC is further connected with a timer.
The invention has the beneficial effects that:
1. the energy saver changes the process flow of the traditional heat exchange system, SO that condensed water directly enters a secondary network circulating system, the waste heat and pressure energy of the condensed water are directly and completely utilized, the steam is saved, the energy consumption in the steam production process is reduced, meanwhile, the emission of CO2, SO2 and NOx is reduced, and the energy saver has certain social benefit while generating economic benefit;
2. the condensed water is fully utilized, the requirement of supplementing water is reduced, and precious water resources are saved;
3. because the high-quality condensed water without scaling and corrosive ions continuously enters the secondary network system, the heat exchanger is ensured not to scale after running for a long time, the heat exchange efficiency is kept in the initial stable state, the energy can be saved, the labor and cost for cleaning equipment is reduced, and secondly, the high-quality condensed water is utilized, the scaling and corrosion of the secondary network system are also reduced, the service lives of pipelines and parts are prolonged, and the investment and system maintenance cost are reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
In the figure, 1-a water mixer, 2-a circulating water inlet, 3-a circulating water outlet, 4-a box body, 5-a condensed water inlet pipe, 6-a switching electromagnetic valve, 7-a temperature sensor, 8-a pressure sensor, 9-a water replenishing pipe, 10-a pressure relief pipe, 11-a PLC (programmable logic controller) and 12-a timer.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the energy saver of the heat exchanger set mainly comprises a water mixer 1, a PLC controller 11 and a box 4, wherein the water mixer 1 has a pipeline structure, the left end and the right end of the water mixer 1 are respectively a circulating water outlet 3 and a circulating water inlet 2, the left side part of the inside of the water mixer is of a venturi tube structure, the water mixer 1 traverses the box 4, the left end and the right end of the water mixer both extend out of the box 4, a condensed water inlet pipe 5 is connected to the water mixer 1 near one end of the circulating water outlet 3, an electromagnetic switch valve 6 for controlling the on-off of the condensed water inlet pipe 5 is arranged in the condensed water inlet pipe, a water replenishing pipe 9 and a pressure relief pipe 10 are further connected to the water mixer 1 near one end of the circulating water inlet 2, the water replenishing pipe is respectively used for replenishing water to the inside of the water mixer 1, and is used for being, temperature sensor 7 and pressure sensor 8 all link to each other with 11 signal input parts of PLC controller, and switching solenoid valve 6 links to each other with the signal output part of PLC controller to still be connected with time-recorder 12 on the PLC controller 11, 1 main part of muddy hydrophone and PLC controller 11 all are located inside 4 boxes, and the condensate inlet pipe 5, moisturizing pipe 9, pressure release pipe 10 all stretch out 4 outside boxes, and the convenience links to each other with other equipment.
This device is connected as follows with heat exchanger group, the overall structure of this device is located heat exchanger group circulating water return water end, circulating water entry 2 links to each other with pipeline circulating water return water pipeline, circulating water export 3 links to each other with the circulating water pump entry, condensate inlet pipe 5 links to each other with the heat exchanger condensate water delivery port, all be equipped with the ooff valve on moisturizing pipe 9 and the pressure release pipe 10, be in the normal close under the normal condition, when needs are to moisturizing or pressure release in the system, it can to open corresponding ooff valve and links to each other with the moisturizing device and carry out the moisturizing or link to each other with the pressure release device and carry out.
The condensate water of the heat exchanger enters the energy saver through a condensate water inlet pipe 5 of the energy saver, then enters the water mixer 1 with a Venturi tube structure after passing through a switch electromagnetic valve 6 to be mixed with the circulating water of the secondary network, the pressure energy of the condensate water and the waste heat all enter the circulating water, meanwhile, the high-quality condensate water is also supplemented into the secondary network, when the condensate water supplemented into the secondary network is greater than the supplement water required for supplementing, the pressure is increased, when the set value of the system pressure is reached, the pressure is relieved at the lowest temperature position of the secondary network through a pressure relief port, so that when the system operates under a normal state, the water is not required to be supplemented, and a water supplementing pump does not need to be started, thereby saving the electric energy while saving water.
The PLC 11 can receive signals of the timer 12, the pressure sensor 8 and the temperature sensor 7, displays or remotely transmits pressure and temperature values on site, conveniently controls the system pressure and the operation of the energy saver, sets the upper and lower limit values of the secondary network system pressure, and is matched with the relief pressure setting of a pressure relief device (not included in the energy saver) to keep the system pressure within a required range. The timer can set the accumulated running time to control the running of the energy saver, and when the set running time is reached, the on-off electromagnetic valve 6 is automatically closed to stop the normal running of the energy saver.
The device changes the flow of the steam condensed water in the heat exchange process, so that the waste heat, the pressure energy and the high-quality water contained in the steam are fully utilized, and the purposes of saving water, electricity and steam are realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a heat exchanger group energy-saving appliance, its characterized in that mainly includes water mixer, be connected with the condensate inlet pipe, moisturizing pipe and pressure release pipe on the water mixer, wherein:
the water mixer is a pipe body with openings at two ends, the interior of the pipe body is hollow, and the pipe body is of a Venturi pipe structure;
the condensed water inlet pipe is connected with a Venturi tube structure inside the water mixer at one end close to the circulating water outlet;
the water replenishing pipe is used for replenishing water into the water mixer, and is close to one side of the circulating water inlet;
and the pressure relief pipe is used for connecting the water mixer and the pressure relief device and is positioned on one side close to the circulating water inlet.
2. The heat exchange unit economizer as claimed in claim 1 wherein the water mixer is further provided with a temperature detection port and a pressure detection port, and the temperature detection port and the pressure detection port are respectively provided with a temperature sensor and a pressure sensor.
3. The heat exchanger unit economizer as claimed in claim 1 wherein the condensed water inlet is provided with a switch solenoid valve for controlling on/off of the condensed water inlet.
4. The heat exchanger group economizer according to claim 1, wherein the water replenishing pipe and the pressure relief pipe are provided with switch valves.
5. The heat exchange unit economizer of claim 2 or 3 further comprising a PLC controller, wherein the temperature sensor and the pressure sensor are both connected with a signal input end of the PLC controller, and the switch electromagnetic valve is connected with a signal output end of the PLC.
6. The heat exchanger group economizer of claim 4, wherein the signal input end of the PLC is further connected with a timer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910941450.3A CN110657480A (en) | 2019-09-30 | 2019-09-30 | Energy saver of heat exchange unit |
Applications Claiming Priority (1)
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CN201910941450.3A CN110657480A (en) | 2019-09-30 | 2019-09-30 | Energy saver of heat exchange unit |
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CN110657480A true CN110657480A (en) | 2020-01-07 |
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CN201910941450.3A Pending CN110657480A (en) | 2019-09-30 | 2019-09-30 | Energy saver of heat exchange unit |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030212150A1 (en) * | 1999-11-26 | 2003-11-13 | Bp Exploration Operating Company Limited | Process for converting synthesis gas into higher hydrocarbons |
US20150192308A1 (en) * | 2010-07-30 | 2015-07-09 | Robert Kremer | Hyper-condensate recycler |
CN104848289A (en) * | 2014-10-30 | 2015-08-19 | 青岛万力科技有限公司 | Efficient heat-supply heating heat-exchange unit adopting steam heat source |
CN204860358U (en) * | 2015-08-13 | 2015-12-16 | 苑金良 | Solar energy collection big -arch shelter with it is balancedly warm |
CN207395516U (en) * | 2018-01-16 | 2018-05-22 | 河源市吉龙翔生物科技有限公司 | A kind of condensed water heat-energy recovering apparatus |
CN108895858A (en) * | 2018-07-03 | 2018-11-27 | 杭州华电能源工程有限公司 | A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely |
CN208967781U (en) * | 2018-10-09 | 2019-06-11 | 纪涛 | A kind of steam exhaust recovering device |
-
2019
- 2019-09-30 CN CN201910941450.3A patent/CN110657480A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030212150A1 (en) * | 1999-11-26 | 2003-11-13 | Bp Exploration Operating Company Limited | Process for converting synthesis gas into higher hydrocarbons |
US20150192308A1 (en) * | 2010-07-30 | 2015-07-09 | Robert Kremer | Hyper-condensate recycler |
CN104848289A (en) * | 2014-10-30 | 2015-08-19 | 青岛万力科技有限公司 | Efficient heat-supply heating heat-exchange unit adopting steam heat source |
CN204860358U (en) * | 2015-08-13 | 2015-12-16 | 苑金良 | Solar energy collection big -arch shelter with it is balancedly warm |
CN207395516U (en) * | 2018-01-16 | 2018-05-22 | 河源市吉龙翔生物科技有限公司 | A kind of condensed water heat-energy recovering apparatus |
CN108895858A (en) * | 2018-07-03 | 2018-11-27 | 杭州华电能源工程有限公司 | A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely |
CN208967781U (en) * | 2018-10-09 | 2019-06-11 | 纪涛 | A kind of steam exhaust recovering device |
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Application publication date: 20200107 |