CN107084421B - Heating circulation pipeline for heating system - Google Patents
Heating circulation pipeline for heating system Download PDFInfo
- Publication number
- CN107084421B CN107084421B CN201710495179.6A CN201710495179A CN107084421B CN 107084421 B CN107084421 B CN 107084421B CN 201710495179 A CN201710495179 A CN 201710495179A CN 107084421 B CN107084421 B CN 107084421B
- Authority
- CN
- China
- Prior art keywords
- water
- heat storage
- water tank
- heating
- water inlet
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 143
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 372
- 238000005338 heat storage Methods 0.000 claims abstract description 120
- 238000005452 bending Methods 0.000 claims abstract description 11
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000013081 microcrystal Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- 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
The invention discloses a heating circulation pipeline for a heating system, which comprises a water inlet pipe and a water outlet pipe, wherein two ends of the water inlet pipe and the water outlet pipe are respectively connected with a heating boiler and a heat storage water tank of the heating system, and an annular loop is formed among the heating boiler, the water inlet pipe, the heat storage water tank and the water outlet pipe; one end of the water inlet pipe extending to the inside of the heat storage water tank is provided with an arc-shaped bending, and the water outlet direction of each water inlet pipe is the same. The end of the water inlet pipe extending to the inside of the heat storage water tank is provided with the arc-shaped bending, so that water flowing in the water inlet pipe exerts stirring force on water in the heat storage water tank, and the mixing of high-temperature water and low-temperature water in the heat storage water tank is realized; the structure and arrangement mode of the water inlet pipe and the water outlet pipe lead the cold water and the hot water in the heat storage water tank to be uniformly mixed, and a stirring device is not required to be additionally arranged in the heat storage water tank, so that the structure is simple, the realization is easy, and the cost is saved; the water inlet pipe and the water outlet pipe can be respectively connected to a plurality of heating boilers, so that the heating cycle efficiency is improved.
Description
Technical Field
The present invention relates to a heating circulation pipeline, and more particularly, to a heating circulation pipeline for a heating system.
Background
The heating circulation pipeline in the existing heating system generally comprises a water inlet pipe and a water return pipe, the heated high-temperature water enters the heat storage water tank from the water inlet pipe, and the low-temperature water at the lower part of the heat storage water tank flows back to the heating system from the water return pipe to be heated and then enters the heat storage water tank again, so that continuous heat supply is realized in a circulating way.
The inlet tube and the wet return are usually connected on the wall of the heat storage water tank, and also extend a certain distance into the heat storage water tank, but when the volume of the heat storage water tank is very large, the arrangement mode of the pipeline is not easy to uniformly mix cold and hot water in the tank, and the stirring device is required to be additionally arranged in the heat storage water tank when the cold and hot water in the tank are uniformly mixed, so that the heat storage water tank has a complex structure, the maintenance and replacement difficulty is increased, and the cost is increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a heating circulation pipeline for a heating system, which can realize uniform mixing of cold water and hot water in a heat storage water tank without additionally arranging a stirring device in the heat storage water tank, and reduce the cost.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the heating circulation pipeline for the heating system comprises a water inlet pipe and a water outlet pipe, wherein two ends of the water inlet pipe and the water outlet pipe are respectively connected with a heating boiler and a heat storage water tank of the heating system, and an annular loop is formed among the heating boiler, the water inlet pipe, the heat storage water tank and the water outlet pipe; one end of the water inlet pipe extending to the inside of the heat storage water tank is provided with an arc-shaped bending, and the water outlet direction of each water inlet pipe is the same.
The number of the water inlet pipes is at least two, and the number of the water outlet pipes is corresponding to or different from that of the water inlet pipes.
The included angle between the arc-shaped bending horizontal planes is 0-89 degrees, preferably 15-45 degrees.
The length of the water inlet pipe extending into the heat storage water tank is gradually increased or decreased;
and the heat storage water tank is taken as a boundary, and the water inlet pipe with the length exceeding the axis is opposite to the bending direction of the water inlet pipe with the length not exceeding the axis.
When the volume of the heat storage water tank is smaller than 50 cubic meters, the water outlet pipe does not extend to the inside of the heat storage water tank, and when the volume of the heat storage water tank is larger than 50 cubic meters, the length of the water outlet pipe extending to the inside of the heat storage water tank corresponds to or is opposite to that of the water inlet pipe.
When the volume of the heat storage water tank is less than 50 cubic meters, the height of each water inlet pipe is positioned on the same horizontal line; when the volume of the heat storage water tank is more than 50 cubic meters, the water inlet pipes are mutually provided with height differences.
When the volume of the heat storage water tank is less than 50 cubic meters, the heights of the water outlet pipes are positioned on the same horizontal line; when the volume of the heat storage water tank is more than 50 cubic meters, the water outlet pipes have a height difference with each other.
The water outlet of the water inlet pipe in the heat storage water tank is arranged at a position 1/4-3/4 away from the inner wall of the heat storage water tank.
The water inlet of the water outlet pipe in the heat storage water tank is arranged at a position 1/4-3/4 away from the inner wall of the heat storage water tank.
When the number of the water inlet pipes and the water outlet pipes is larger than 1, the water inlet pipes and the water outlet pipes are simultaneously connected to one heating boiler or respectively connected to a plurality of heating boilers.
The water inlet pipe or the water outlet pipe is provided with a heating circulating water pump and a water discharge valve.
Compared with the prior art, the invention has the beneficial effects that:
(1) The end of the water inlet pipe extending to the inside of the heat storage water tank is provided with the arc-shaped bending, so that water flowing in the water inlet pipe exerts stirring force on water in the heat storage water tank, and the mixing of high-temperature water and low-temperature water in the heat storage water tank is realized;
(2) The structure and arrangement mode of the water inlet pipe and the water outlet pipe lead the cold water and the hot water in the heat storage water tank to be uniformly mixed, and a stirring device is not required to be additionally arranged in the heat storage water tank, so that the structure is simple, the realization is easy, and the cost is saved;
(3) The water inlet pipe and the water outlet pipe of the invention can be respectively connected with a plurality of heating boilers, and the number of the heating boilers is increased, thereby greatly improving the heating power and the heating cycle efficiency.
Drawings
FIG. 1 is a schematic diagram of a low cost electromagnetic heating system of the present invention;
wherein, 1, overflow port; 2. a bleed valve; 3. a water injection pipe; 4. a liquid level gauge; 5. an overflow tank; 6. a heating pipeline; 7. a first pressure gauge; 8. a circulating booster pump; 9. a first temperature sensor; 10. a constant temperature water mixing valve; 11. a thermal storage tank; 12. a second temperature sensor; 13. a second pressure gauge; 14. a drain valve; 15. heating the circulating water pump group; 16. an electromagnetic heating boiler group.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description, wherein: the following examples are illustrative, not limiting, and are not intended to limit the scope of the invention.
Referring to the embodiment of the heating circulation line for a heating system according to the present invention applied to the heating system shown in fig. 1, it can be seen that the heating system includes a control system, an electromagnetic heating boiler group 16, a heat storage water tank 11, an overflow tank 5, and a heating line 6; the heat storage water tank 11 is connected with the electromagnetic heating boiler group 16 through a heating circulation pipeline, the heating circulation pipeline comprises a water inlet pipe and a water outlet pipe, two ends of the water inlet pipe and the water outlet pipe are respectively connected with the electromagnetic heating boiler group 16 and the heat storage water tank 11 of the heating system, and an annular loop is formed among the electromagnetic heating boiler group 16, the water inlet pipe, the heat storage water tank 11 and the water outlet pipe; the number of the water inlet pipes is three, and the water outlet pipes correspond to the number of the water inlet pipes. The two ends of the water inlet pipe are respectively connected with the middle part of the heat storage water tank 11 and the water outlet end of the electromagnetic heating boiler group 16, the two ends of the water outlet pipe are respectively connected with the heat storage water tank 11 and the water inlet end of the electromagnetic heating boiler group 16, the water outlet pipe is provided with a heating circulating water pump group 15 and a water outlet valve 14, and the power of the heating circulating water pump is 100W-1500W; the end of the water inlet pipe extending to the inside of the heat storage water tank 11 is provided with an arc-shaped bend, an included angle of 45 degrees is formed between the bend and the horizontal plane, the axis of the heat storage water tank 11 is taken as a boundary, and the water inlet pipe with the length exceeding the axis is opposite to the bending direction of the water inlet pipe with the length not exceeding the axis, so that the water outlet flow of the water inlet pipe rotates clockwise to form rotational flow; three water inlet pipes are arranged in parallel, the shortest water inlet pipe extends to 1/4 of the position, away from the side wall (the side wall on the side where the water inlet pipe enters) of the heat storage water tank 11, and the longest water inlet pipe extends to 3/4 of the position, away from the side wall (the side wall on the side where the water inlet pipe enters) of the heat storage water tank 11, of the heat storage water tank 11; the length of the parallel water inlet pipe extending to the inside of the heat storage water tank 11 is in stepwise increasing or decreasing, and the parallel water inlet pipe is uniformly distributed in the heat storage water tank 11; when the volume of the heat storage water tank 11 is smaller than 50 cubic meters, the parallel water outlet pipe does not extend to the inside of the heat storage water tank 11, when the volume of the heat storage water tank 11 is larger than 50 cubic meters, the length of the parallel water outlet pipe extending to the inside of the heat storage water tank 11 corresponds to or is opposite to that of the water inlet pipe, the corresponding means that the length of the water inlet pipe extending to the inside of the heat storage water tank 11 is in stepwise increasing and then the length of the water outlet pipe extending to the inside of the heat storage water tank 11 is in stepwise increasing and then the length of the water inlet pipe extending to the inside of the heat storage water tank 11 is in stepwise decreasing and then the water outlet pipe is uniformly distributed in the heat storage water tank 11; the height of the parallel water inlet pipes is positioned on the same horizontal line (when the volume of the heat storage water tank is less than 50 cubic meters) or has uniform height difference with each other (when the volume of the heat storage water tank is more than 50 cubic meters); the height of the parallel water outlet pipes is positioned on the same horizontal line (when the volume of the heat storage water tank is smaller than 50 cubic meters) or the water outlet pipes are uniformly different in height (when the volume of the heat storage water tank is larger than 50 cubic meters), and the water flowing in the water inlet pipe exerts stirring force on the water in the heat storage water tank 11 through the structure, so that the mixing of high-temperature water and low-temperature water in the heat storage water tank 11 is realized.
The electromagnetic heating boiler group 16 comprises three groups of heating mechanisms, wherein each heating mechanism comprises an electromagnetic heating boiler, a water inlet pipe, a water outlet pipe and a heating circulating water pump set arranged on the water outlet pipe, the power of one electromagnetic heating boiler is 100kW, one end of the water inlet pipe is connected with the water outlet end of the electromagnetic heating boiler, the other end of the water inlet pipe is connected with the heat storage water tank 11, one end of the water outlet pipe is connected with the water inlet end of the electromagnetic heating boiler, the other end of the water outlet pipe is connected with the heat storage water tank 11, and each electromagnetic heating boiler is respectively and controllably connected with the control system.
The electromagnetic heating boiler comprises a heating body with a tank-shaped structure, wherein the body is vertically arranged, a plurality of groups of electromagnetic coils which are respectively controlled are wound on the outer wall of the heating body, the electromagnetic coils are respectively controlled to heat, electric energy can be used for heating in an accurate and directional mode, the temperature is accurately controllable within the range of 100-150 ℃, energy utilization is sufficient, and the energy-saving effect is good;
the inner wall of the heating body is corroded with a microcrystal surface, the inner wall of the steam generator is corroded with the microcrystal surface, the corrosion depth of the microcrystal surface is 0.15 millimeter, the corrosion area accounts for 2/3 of the total height of the steam generator, the whole evaporation part is covered, the heat transfer area is increased through the irregular microcrystal surface, and the steam generator is favorable for evaporating and vaporizing water to form steam, so that high-efficiency heat transfer is realized;
the inside slope alternately of heating member bottom is provided with the guide vane relatively for the water is rotatory upwards to flow along circumferencial direction in the heating body owing to the guide vane's of alternately setting existence, has increased the flow of water in the jar and has equivalent to increasing heat transfer area and fully flow contact with the heating member.
The heating circulating water pump arranged on the water outlet pipe sends low-temperature water at the lower part of the heat storage water tank 11 into the electromagnetic heating boiler, the electromagnetic heating boiler sends the heated water to the heat storage water tank 11 through the water inlet pipe, and the stirring of the water in the heat storage water tank 11 is realized through the self thermodynamic cycle in the heat storage water tank 11 and the arc bending structure of the water inlet pipe.
The bottom of the heat storage water tank 11 is provided with a drain pipe 14, the drain pipe 14 is provided with a valve, the valve is opened when the tank body is cleaned, and sewage is discharged from the drain pipe 14; the top of the heat storage water tank 11 is provided with a second temperature sensor 12 and a second pressure gauge 13, and because the upper water temperature in the heat storage water tank 11 is higher than the lower water temperature, the second temperature sensor 12 extends to the middle 1/2 of the heat storage water tank 11 for more accurate temperature detection.
The heat storage water tank 11 is connected with the overflow tank 5 through an overflow pipeline, water heated and expanded in the heat storage water tank 11 overflows and is stored in the overflow tank 5, burst of the heat storage water tank 11 due to overlarge pressure is prevented, and meanwhile, the overflow tank 5 also plays a role in throttling and partial pressure; the 4/5 department of jar body height is provided with overflow mouth 1 on the lateral wall of overflow jar 5, is provided with bleed valve 2, water injection pipe 3 and level gauge 4 on the overflow jar 5 top surface, still is provided with the filter valve on the water injection pipe 3, and when the water level was less than the level gauge 4 bottom in overflow jar 5, control system sent out the alarm, needed manual detection to examine and repair the back and add water again, and rivers are added overflow jar 5 and then are added in the heat accumulation water tank 11 through water injection pipe 3.
The heat storage water tank 11 is connected with the heating pipeline 6 through a circulating pipeline, and a first pressure gauge 7, a circulating booster pump 8, a first temperature sensor 9 and a constant-temperature water mixing valve 10 are arranged on the circulating pipeline between the heat storage water tank 11 and the heating pipeline 6.
The circulating pipeline between the heat storage water tank 11 and the heat supply pipeline 6 is divided into a water outlet pipeline and a water return pipeline, and the first pressure gauge 7, the circulating booster pump 8 and the first temperature sensor 9 are arranged on the water outlet pipeline and are connected with the water outlet pipeline and the water return pipeline; the heating low-temperature water in the heating pipeline 6 flows back to the heat storage water tank 11 through the water return pipeline, part of the low-temperature water flowing out of the heat storage water tank 11 and part of the low-temperature water flowing back in the water return pipeline flow to the heating pipeline 6 through the water outlet pipeline after being mixed by the constant-temperature water mixing valve 10, and the other part of the low-temperature water flowing back in the water return pipeline enters the heat storage water tank 11 to participate in reheating, and the water temperature in the water outlet pipeline is constant due to the arrangement of the constant-temperature water mixing valve 10, so that the limit on the highest water temperature in the heat storage water tank 11 is reduced, the water temperature range in the heat storage water tank 11 can be enlarged to 40-95 ℃, and the purposes of reducing the volume of the heat storage water tank 11 and slowly releasing heat are achieved; the first pressure gauge 7 is used for monitoring the pressure condition of the whole system, and when the monitoring data of the first pressure gauge 7 is abnormal, the control system turns off the system power supply and gives an alarm to remind field personnel of checking and removing faults in time; the circulating booster pump 8 provides driving force for supplying water to the heating pipeline 6 for the system, the circulating water flow speed of the circulating booster pump 8 is regulated through a frequency converter, and the speed of the circulating water flow speed is regulated along with the temperature, so that the heat supply quantity is regulated; when the first temperature sensor 9 detects that the water temperature is lower than the prescribed temperature (45-52 ℃), the low temperature water flowing from the water return line to the thermostatic mixing valve 10 decreases, whereas when the first temperature sensor 9 detects that the water temperature is higher than the prescribed temperature (45-52 ℃) the high temperature water flowing from the water return line to the thermostatic mixing valve 10 increases, and the high temperature water flowing from the heat storage tank 11 to the thermostatic mixing valve 10 decreases.
The liquid level meter 4, the first pressure meter 7, the circulating booster pump 8, the first temperature sensor 9, the constant-temperature water mixing valve 10, the second temperature sensor 12, the second pressure meter 13, the drain valve 14 and the electromagnetic heating boiler group 16 are respectively and electrically connected with the control system through wires, so that accurate measurement and control of temperature, pressure, water flow and liquid level are realized.
The electromagnetic heating boilers are provided with temperature sensors, and are used for determining whether each boiler starts heating or not, and starting a plurality of boilers to heat; and the second temperature sensor 12 determines whether the entire system needs to be heated up.
Each heating circulating water pump in the heating circulating water pump group 15 is electrically connected with a control system of the corresponding electromagnetic heating boiler, and the work of the heating circulating water pump is controlled by the electromagnetic heating boiler.
Because the circulating water pump is the equipment with the longest working time and the easiest damage in the whole system, the two heating circulating water pumps and the two circulating booster pumps 8 in the heating circulating water pump group 15 are all arranged for standby, and the maintenance is convenient, safe and reliable.
The control system realizes:
(1) Controlling the operation of the system overall;
(2) Monitoring the thermodynamic balance of the whole system;
(3) And (3) controlling the operation and detecting the state of each device in the system.
The control system controls the operation of the group of electromagnetic heating boilers 16 mainly in the following ways:
(1) Control of run time, heating with electricity from valley (23:00 to 7:00 pm, for example, in Tianjin);
(2) And controlling the boiler group, starting the boiler equipment to heat in a time period required to be heated, realizing automatic energy-saving operation by setting the temperature required to be heated on the equipment body, wherein the starting temperature set by each boiler is different and is gradually increased in steps within the range of 40-95 ℃, and the number of electromagnetic heating boilers required to be started is different according to the different water temperatures in the heat storage water tank.
The heat storage water tank 11 is suitable for heat supply of middle-low-rise buildings, and the bearing pressure of the tank body is 0.3-0.5Mpa; when the heat storage tank is used for high-rise heat supply and a water storage device with certain bearing capacity is needed, the heat storage tank can be replaced by a heat storage water tank with stronger bearing capacity.
The control method of the low-cost electromagnetic heating system of the invention is described in detail below with reference to the accompanying drawings:
the control system operates in the valley period (the electricity charge cost in the valley period is half of the average electricity charge cost, and the direct cost of heating and heat supply can be effectively reduced), and before the control system is used, water is firstly added into the overflow tank 5 through the water injection pipe 3 on the overflow tank 5 to the position of 2/3 of the height of the overflow tank 5; when the second temperature sensor 12 monitors that the water temperature is lower than the lowest value of the set temperature (40-95 ℃), all electromagnetic heating boilers in the electromagnetic heating boiler group 16 are started, the heating circulating water pump in the heating circulating water pump group 15 pumps low-temperature water at the lower part of the heat storage water tank 11 to the electromagnetic heating boilers through the water outlet pipe to heat, as the heating circulating water pump is arranged as one standby, when one heating circulating water pump fails, the other standby heating circulating water pump is started, the heat supply is not interrupted, the heated high-temperature water flows into the heat storage water tank 11 from the water inlet pipe, and as one end structure of the water inlet pipe extending to the inside of the heat storage water tank 11 is bent in an arc shape, the water flowing into the water inlet pipe exerts a stirring force on the water in the heat storage water tank 11, so that the mixing of high-temperature and low-temperature water in the heat storage water tank 11 is realized, and the water in the heat storage water tank 11 is uniformly heated; part of the low-temperature water flowing back from the heat supply pipeline 6 flows into the heat storage water tank 11, the other part of the low-temperature water flowing back from the heat supply pipeline 6 flows into the heat supply pipeline 6 through the water inlet pipeline after being mixed with the high-temperature water flowing out of the heat storage water tank 11 through the constant-temperature water mixing valve 10, and the process is powered by the circulating booster pump 8; the system always keeps water circulating among the electromagnetic heating boiler group 16, the heat storage water tank 11 and the heating pipeline 6; the pressure and the temperature in the heat storage water tank 11 filled with high-temperature water are increased, the high-temperature water flows into the overflow tank 5 through a pipeline between the overflow tank 5 and the heat storage water tank, the redundant water in the overflow tank 5 is discharged from the overflow port 1, and the steam and the air in the overflow tank 5 are discharged from the air release valve 2; the first pressure gauge 7 monitors the pressure condition of the whole system, and when the monitoring data of the first pressure gauge 7 is abnormal, the control system turns off the system power supply and gives an alarm to remind field personnel to check and remove faults in time; when the heat storage water tank 11 needs to be overhauled, the drain valve 14 is opened to drain the water in the heat storage water tank 11.
The control system determines the temperature of the hot water by monitoring the outside air temperature and controls the opening of the constant-temperature water mixing valve 10 to output constant-temperature hot water for heat supply; the control system determines the flow rate of the supplied hot water by time and effects a change in the flow rate by adjusting the operation speed of the circulation booster pump 8; through the two adjustments, the adjustment of heat supply quantity is realized, and the maximized real-time heat energy saving is realized.
A temperature sensor arranged in the electromagnetic heating boiler detects the temperature of low-temperature water flowing in the water outlet pipe, and a control system of the electromagnetic heating boiler judges whether heating is started or not according to the temperature value; for example: the electromagnetic heating boiler group 16 comprises three electromagnetic heating boilers, wherein each electromagnetic heating boiler has different stop temperatures, the stop temperature of the first electromagnetic heating boiler is 60 ℃, the stop temperature of the second electromagnetic heating boiler is 70 ℃, the stop temperature of the third electromagnetic heating boiler is 80 ℃, when the water temperature flowing out of the water outlet pipe is below 60 ℃, the first electromagnetic heating boiler and the second electromagnetic heating boiler start heating, and the third electromagnetic heating boiler stops heating; when the water temperature flowing out of the water outlet pipe is above 70 ℃, the first electromagnetic heating boiler stops heating, and the third electromagnetic heating boiler and the second electromagnetic heating boiler start heating; when the water temperature flowing out of the water outlet pipe is 80 ℃, the first station, the second station and the third station are stopped to be heated; in order to balance the service life of the electromagnetic heating boiler, the stop temperature of the electromagnetic heating boiler is regulated periodically, the original stop temperature is regulated to be low, and the original stop temperature is regulated to be high. The electromagnetic heating boilers are mutually standby, so that the heat source backup is not needed to be additionally invested, a large amount of investment and occupied space are saved, and the cost is reduced.
In addition, the control system is connected with the monitoring computer through a network cable interface or an RS485 interface, automatically uploads system parameters and state information, and achieves functions of operation monitoring, data storage, parameter adjustment and the like; and the computer program sends operation information to the mobile phone APP through the cloud to realize remote monitoring.
The heat supply system can be used as a heat supply source for heating commercial office buildings, commercial complexes, schools and administrative municipal facilities, is particularly suitable for various building facilities without central heating conditions in remote scattered areas, and is also suitable for heating and supplying heat for various existing buildings enjoying national policy heating electricity price subsidy.
The foregoing has described exemplary embodiments of the invention, it being understood that any simple variations, modifications, or other equivalent arrangements which would not unduly obscure the invention may be made by those skilled in the art without departing from the spirit of the invention.
Claims (6)
1. A heating circulation line for a heating system, characterized by: the heating boiler, the water inlet pipe, the heat storage water tank and the water outlet pipe form an annular loop; one end of the water inlet pipe extending to the inside of the heat storage water tank is provided with an arc-shaped bend;
two ends of the water inlet pipe are respectively connected with the middle part of the heat storage water tank and the water outlet end of the electromagnetic heating boiler group, and two ends of the water outlet pipe are respectively connected with the heat storage water tank and the water inlet end of the electromagnetic heating boiler group;
an included angle of 0-89 degrees is formed between the arc-shaped bending horizontal planes;
the length of the water inlet pipe extending into the heat storage water tank is gradually increased or decreased;
taking the axis of the heat storage water tank as a boundary, and the water inlet pipe with the length exceeding the axis is opposite to the bending direction of the water inlet pipe with the length not exceeding the axis;
the number of the water inlet pipes is at least two, and the number of the water outlet pipes is corresponding to or different from that of the water inlet pipes.
2. A heating circulation line for a heating system according to claim 1, characterized in that: the included angle between the arc-shaped bending horizontal planes is 15-45 degrees.
3. A heating circulation line for a heating system according to claim 2, characterized in that: the water outlet pipe does not extend to the inside of the heat storage water tank or extends to the inside of the heat storage water tank, and the length of the water outlet pipe corresponds to or is opposite to that of the water inlet pipe.
4. A heating circulation line for a heating system according to claim 3, characterized in that: the water inlet pipes are positioned on the same horizontal line or have the same height difference with each other, and the water outlet pipes are positioned on the same horizontal line or have the same height difference with each other.
5. A heating circulation line for a heating system according to any one of claims 1-4, characterized in that: the water outlet of the water inlet pipe in the heat storage water tank is arranged at a position 1/4-3/4 away from the inner wall of the heat storage water tank.
6. A heating circulation line for a heating system according to any one of claims 1-4, characterized in that: the water inlet of the water outlet pipe in the heat storage water tank is arranged at a position 1/4-3/4 away from the inner wall of the heat storage water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495179.6A CN107084421B (en) | 2017-06-26 | 2017-06-26 | Heating circulation pipeline for heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495179.6A CN107084421B (en) | 2017-06-26 | 2017-06-26 | Heating circulation pipeline for heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107084421A CN107084421A (en) | 2017-08-22 |
| CN107084421B true CN107084421B (en) | 2023-06-27 |
Family
ID=59606583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710495179.6A Active CN107084421B (en) | 2017-06-26 | 2017-06-26 | Heating circulation pipeline for heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107084421B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932984B (en) * | 2018-09-13 | 2021-06-29 | 中国核动力研究设计院 | Double-fluid molten salt fast reactor overflow tank system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1205612A (en) * | 1966-12-02 | 1970-09-16 | Cory Corp | Pour-through liquid heaters |
| CN200955854Y (en) * | 2006-10-18 | 2007-10-03 | 宁波帅康热水器有限公司 | Improved water heater |
| CN101957013A (en) * | 2010-10-18 | 2011-01-26 | 薛微 | Supersonic electromagnetic-induction heating equipment |
| CN103884099A (en) * | 2012-12-20 | 2014-06-25 | 天津市龙津科技有限公司 | Electromagnetic heating boiler system |
| CN206973667U (en) * | 2017-06-26 | 2018-02-06 | 天津市龙津科技有限公司 | A kind of heat cycles pipeline for heating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210577A (en) * | 1995-02-06 | 1996-08-20 | Hitachi Ltd | Plant piping system |
-
2017
- 2017-06-26 CN CN201710495179.6A patent/CN107084421B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1205612A (en) * | 1966-12-02 | 1970-09-16 | Cory Corp | Pour-through liquid heaters |
| CN200955854Y (en) * | 2006-10-18 | 2007-10-03 | 宁波帅康热水器有限公司 | Improved water heater |
| CN101957013A (en) * | 2010-10-18 | 2011-01-26 | 薛微 | Supersonic electromagnetic-induction heating equipment |
| CN103884099A (en) * | 2012-12-20 | 2014-06-25 | 天津市龙津科技有限公司 | Electromagnetic heating boiler system |
| CN206973667U (en) * | 2017-06-26 | 2018-02-06 | 天津市龙津科技有限公司 | A kind of heat cycles pipeline for heating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107084421A (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102213489B (en) | A kind of method and system realizing gas heater multi-machine parallel connection | |
| CN107166482A (en) | Inexpensive electromagnetism heating heat source system and its control method | |
| CN205352721U (en) | Heat pump set comprehensive properties testing system | |
| CN102109220B (en) | Instant-heating air source water heater and control method thereof | |
| CN103836703A (en) | Molten salt heat storage type electric heating central heating system | |
| CN207196598U (en) | A kind of inexpensive Electromagnetic Heating heating plant | |
| CN107084421B (en) | Heating circulation pipeline for heating system | |
| CN111121288A (en) | Bathing water preparing system | |
| CN109340903A (en) | Heat storing type electric boiler heat accumulation control method and dedicated unit | |
| CN206973672U (en) | A kind of inexpensive electromagnetism heating heat source system | |
| CN204084540U (en) | Fused salt regenerative electrochemical heating central heating system | |
| CN202303648U (en) | Energy regulation device for multi-heat-source hot water heating engineering | |
| CN209801590U (en) | User distributed heat supply energy-saving device | |
| CN205090466U (en) | Hot water heating device of low ebb electrical heating energy storage | |
| CN107120716A (en) | Inexpensive Electromagnetic Heating heating plant | |
| KR20050068288A (en) | Solar heating and domestic hot water system connected with a boiler for home | |
| CN108131974B (en) | A kind of list tank heat reservoir and the heat-storing method that conducts heat | |
| CN112146498A (en) | Thermocline control enhanced heat storage device and control method thereof | |
| CN206973667U (en) | A kind of heat cycles pipeline for heating system | |
| CN207162693U (en) | Utilities building consumer heat inlet adjusting means and comprehensive energy-saving system | |
| CN201983463U (en) | Directly-heated heat pump hot water system | |
| CN201448918U (en) | High-intelligent plate heat exchanger unit | |
| CN210861335U (en) | Plate-type living water unit | |
| RU150766U1 (en) | AUTOMATED HEATING INSTALLATION | |
| CN209541161U (en) | A kind of heat pump heat distribution system preparing constant-temperature hot water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |