CN110030541B - High-temperature low-pressure hydropower heating device and method - Google Patents
High-temperature low-pressure hydropower heating device and method Download PDFInfo
- Publication number
- CN110030541B CN110030541B CN201910403292.6A CN201910403292A CN110030541B CN 110030541 B CN110030541 B CN 110030541B CN 201910403292 A CN201910403292 A CN 201910403292A CN 110030541 B CN110030541 B CN 110030541B
- Authority
- CN
- China
- Prior art keywords
- water
- heating
- water storage
- spiral pipe
- storage tank
- 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 113
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 210
- 238000005485 electric heating Methods 0.000 claims abstract description 60
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims description 16
- 239000002918 waste heat Substances 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000009835 boiling Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000010409 ironing Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a high-temperature low-pressure hydroelectric heating device and a method, comprising an electric heating assembly, a heating element, an electric heating rod and a shell, wherein the heating element is arranged in the shell, and the electric heating rod is connected with the heating element; the water storage separation assembly comprises a water storage tank and a supporting piece, wherein the water storage tank is arranged on the supporting piece and is provided with a water inlet and a water outlet; one end of the centrifugal pump is connected with the electric heating component, and the other end of the centrifugal pump is connected with the water outlet of the water storage separation component; the water storage tank is provided with an exhaust port, high-temperature water in the water storage tank is transmitted through the centrifugal pump, and gas is discharged through the exhaust port. Compared with steam, the invention has the energy-saving effect of more than 70 percent, the electric energy consumed by the electric heater for producing one ton of steam is less than 100kw/h, no manual duty is needed, and the full-automatic management is realized.
Description
Technical Field
The invention relates to the technical field of electric heating, in particular to a high-temperature low-pressure hydroelectric heating device and a method.
Background
The steam boiler has four hundred years history, and most of the devices for heat supply on the market at present are steam boilers, and the devices are characterized by high energy consumption, wherein each ton of 150-degree steam is required to consume 650000 large heat value, meanwhile sensible heat 151000 large heat and vaporization latent heat 500000 large heat are required to consume, and the electricity consumption of the electric heating boiler is about 750 kw/h. Secondly, the utilization rate is low, the real useful work of the steam for heating in the using process is less than 40%, and more than 60% of the steam is wasted in the pipeline and the heat utilization equipment. Thirdly, the pressure vessel is regulated by a regulating mechanism. Fourthly, each steam boiler needs at least two to three boiler workers to be on duty.
The saturated water heat pump heating technology is close to the technical field of the prior art, the characteristic of the saturated water heat pump heating technology is that the saturated water heat pump heating technology cannot reach high temperature, the highest theoretical data is not more than 120 ℃, the technical field adopts a parallel connection mode like steam, the characteristic of non-uniform pressure is not solved, and the saturated water heat pump heating technology is not a mature product. The other is that the concept is only one, and the method is not really applied to practice. Thirdly, the saturated water heat pump technology generates air in the circulating process, but the technology cannot realize air evacuation, so that the pressure is increased, and the saturated water heat pump technology cannot be used for a long time continuously.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or existing problems.
It is therefore an object of the present invention to provide a high temperature low pressure hydroelectric heating device.
In order to solve the technical problems, the invention provides the following technical scheme: the high-temperature low-pressure hydroelectric heating device comprises an electric heating assembly, a heating part, an electric heating rod and a shell, wherein the heating part is arranged in the shell, and the electric heating rod is connected with the heating part; the water storage separation assembly comprises a water storage tank and a supporting piece, wherein the water storage tank is arranged on the supporting piece and is provided with a water inlet and a water outlet; one end of the centrifugal pump is connected with the electric heating component, and the other end of the centrifugal pump is connected with the water outlet of the water storage separation component; the water storage tank is provided with an exhaust port, high-temperature water in the water storage tank is transmitted through the centrifugal pump, and gas is discharged through the exhaust port.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the heating element comprises a first spiral tube, a second spiral tube and a third spiral tube; the first spiral tube, the second spiral tube and the third spiral tube are concentric, the diameter of the first spiral tube is larger than that of the second spiral tube, and the diameter of the second spiral tube is larger than that of the third spiral tube.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the volume of the first spiral tube is 0.029m 3 The volume of the second spiral tube is 0.022m 3 The volume of the third spiral tube is 0.02m 3 。
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the first spiral tube is provided with 5 electric heating rods, the second spiral tube is provided with 4 electric heating rods, and the third spiral tube is provided with 3 electric heating rods.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the power of the electric heating rod is 2KW.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the number of the heating elements is 9, and the connection modes among the heating elements are in series connection.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the electrical heating assembly further includes a door hinged to a side of the housing.
As a preferable scheme of the high-temperature low-pressure water electric heating device, the invention comprises the following steps: the heating elements are arranged in groups of 3 units, and only one group works when the heating elements are circularly heated.
The invention also provides a method for heating the high-temperature low-pressure water and electricity.
The high-temperature low-pressure hydroelectric heating method comprises the following steps: firstly, supplementing a water storage tank in a water storage separation component to 50% through a water inlet; pumping water into the heating elements through the centrifugal pump, wherein the heating elements are connected in series, and the water passes through the first spiral pipe, the second spiral pipe and the third spiral pipe which are connected in series to each heating element and fills each spiral pipe; thirdly, the heating element is connected with the user equipment, the user equipment is connected with the user equipment in series, and if the number of the user equipment is more than or equal to 2, the user equipment adopts a series connection mode; fourth, recycling the redundant gas discharged from the water storage separation component, and enabling the redundant gas to enter user equipment in parallel; fifthly, the redundant heat generated in the heating piece is recovered by a waste heat recovery piece and is pumped into the user equipment by a secondary pump, the water heating temperature is 90 ℃, and if the number of the user equipment is more than or equal to 2, a parallel connection mode is adopted; and sixthly, pumping the water in the heating element to the water storage separation component through a centrifugal pump to form a closed-circuit circulation system.
As a preferable scheme of the high-temperature low-pressure hydroelectric heating method, the invention comprises the following steps: the flow rate of the closed-loop circulation system is 11.3t/h, and the outlet pressure of the closed-loop circulation system is not more than 0.3MPa.
The invention has the beneficial effects that: the high-temperature low-pressure hydroelectric heating device is used, the energy-saving effect of the same-ratio steam reaches more than 70%, the electric energy consumed by the electric heater for producing one ton of steam is less than 100kw/h, no manual duty is needed, and full-automatic management is realized. The boiler is not a pressure vessel, is not supervised by a pressure vessel supervision mechanism, has zero emission, does not need to consider the environmental pollution problem, has small volume, and does not need to independently establish a boiler room.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic view of the overall structure of an embodiment of the high temperature low pressure hydroelectric heating apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of the electric heating assembly in one embodiment provided by the high temperature low pressure hydroelectric heating apparatus of the present invention;
FIG. 3 is a schematic view showing the overall structure of the heating element in one embodiment provided by the high-temperature low-pressure hydroelectric heating device of the present invention;
FIG. 4 is a schematic perspective view showing the overall structure of the water storage separation module in one embodiment provided by the high-temperature low-pressure hydroelectric heating device of the present invention;
FIG. 5 is a schematic front view showing the overall structure of the water storage separation module in one embodiment provided by the high-temperature low-pressure hydroelectric heating device of the present invention;
FIG. 6 is a schematic rear view showing the overall structure of the water storage separation module in one embodiment provided by the high-temperature low-pressure hydroelectric heating device of the present invention;
FIG. 7 is a schematic top view of the overall structure of the water storage separator assembly in one embodiment provided by the high temperature low pressure hydroelectric heating device of the present invention;
FIG. 8 is a schematic diagram showing the overall structure flow in one embodiment provided by the method for heating high-temperature low-pressure water and electricity according to the invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Referring to fig. 1 to 7, the present invention provides a high temperature low pressure hydroelectric heating apparatus, in a first embodiment of the present invention, the main body of which comprises an electric heating assembly 100, a water storage separation assembly 200 and a centrifugal pump 300, and water circulation is achieved between the water storage separation assembly 200 and the electric heating assembly 100 by the centrifugal pump 300.
Specifically, the electric heating assembly 100 includes a heating element 101, an electric heating rod 102 and a housing 103, wherein the heating element 101 is disposed in the housing 103, and the electric heating rod 102 is connected with the heating element 101.
The heating element 101 includes a first spiral pipe 101a, a second spiral pipe 101b, and a third spiral pipe 101c, the first spiral pipe 101a, the second spiral pipe 101b, and the third spiral pipe 101c are concentric, the diameter of the first spiral pipe 101a is larger than the diameter of the second spiral pipe 101b, and the diameter of the second spiral pipe 101b is larger than the diameter of the third spiral pipe 101 c.
Preferably, the first spiral pipe 101a has a volume of 0.029m 3 The volume of the second spiral pipe 101b is0.022m 3 The volume of the third spiral pipe 101c is 0.02m 3 。
A light castable, which is a refractory material, is placed under the heating element 101, and is produced according to the national refractory industry standard.
Preferably, 5 electric heating rods 102 are disposed on the first spiral pipe 101a, 4 electric heating rods 102 are disposed on the second spiral pipe 101b, and 3 electric heating rods 102 are disposed on the third spiral pipe 101 c. Therefore, a total of 12 electric heating rods 102 are connected to each heating element 101, and the power of the electric heating rods 102 is 2KW, so that the total power is 24KW.
In this embodiment, the number of the heating elements 101 is 9, the connection modes of the heating elements 101 are series connection, the total of 27 spiral pipes is 216KW after the 27 spiral pipes are completely series connection, and the water capacity of the heating elements 101 reaches 0.64m 3 。
The heating element 101 is configured to be a group of 3 units, only one group of elements is operated when it is circulated to heat, the temperature difference after circulation is increased to an ideal temperature, an upper limit temperature and a lower limit temperature can be set in control, the upper limit temperature is the ideal temperature, and the host stops heating. The temperature below the upper limit temperature and above the lower limit temperature are automatically adjusted to be single-group modules (the heating piece 101 is in groups of 3 bits) for alternately heating, and the host machine operates at full load below the lower limit temperature.
The water storage separation assembly 200 comprises a water storage tank 201 and a supporting piece 202, wherein the water storage tank 201 is arranged on the supporting piece 202, and a water inlet 201a and a water outlet 201b are formed in the water storage tank 201.
It should be noted that, the normal equipment will perform water treatment before using water, so as to remove oxygen atoms in the water, thereby solving the problem of membranous boiling, while the normal water (i.e. water which is not treated but soft water) adopted in the application will not be processed at the front end, so that in order to ensure the safety of the whole closed circulation system, the water storage separation device needs to separate water from air, and discharge air at the same time, and the water in the water storage tank 201 is used for circulating heating. Therefore, the water storage tank 201 is provided with a gas-water separation layer 201d and an exhaust port 201c, the gas-water separation layer 201d separates the gas from the water, the high-temperature water in the water storage tank 201 is transferred by the centrifugal pump 300, and the gas is discharged through the exhaust port 201 c.
It should be noted that, in order to reasonably utilize resources, the main purpose of the water storage separation device is to drain the gas generated in the circulation process, so that the pressure in the whole circulation process can be controlled, meanwhile, the waste heat can be recovered through the exhaust port 201c, the waste heat can be utilized to enter the user equipment A in parallel, the redundant gas in the circulation process can enter the user equipment A again (such as a plurality of dryers, ironing machines and the like), and the heat source is utilized for the second time, so that the effects of controlling the safety and saving energy are achieved.
Preferably, the water storage tank 201 is further provided with an electric regulating valve 201e, and after the water storage separation device is connected with the electric heating assembly 100 and the user equipment A (such as a plurality of dryers and ironing machines, etc.), the water storage separation device is linked with the control system, and is automatically opened under emergency (exceeding a certain pressure and being blocked by exceeding 2 MPa), so that the safety control coefficient is improved. The working principle is as follows: the electrically operated regulating valve 201e is automatically opened when the exhaust valve of the exhaust port 201c of the water storage separation assembly 200 is blocked or not operated.
Preferably, the water storage tank 201 is further provided with a pressure gauge 201f, and the pressure gauge 201f is arranged at the water outlet 201b, so that the pressure change is monitored in real time, and the rated pressure is 2MPa.
Preferably, a thermometer 201g may be further provided on the water storage tank 201 to monitor the change in temperature.
Preferably, in this embodiment, the water storage tank 201 is further provided with a water supplementing port 201g and a water level meter 201h.
Because the temperature in the water storage separation assembly 200 is high, a part of water is gasified, the gasified part is discharged from the air outlet 201c, and the water in the water storage tank 201 is gradually reduced according to the law of conservation of energy, so that the water can not be added again when the device is stopped in the running process in order to ensure the effectiveness and the high efficiency of the operation, and in the embodiment, the water storage tank 201 is provided with the water supplementing port 201j, and the position of the water supplementing port 201j is between the water inlet 201a and the water outlet 201b.
It should be noted that, the temperature of the device is relatively high, so that a transparent glass product or a plastic product with a low melting point is not adopted, but a metal is adopted, but the metal does not have a transparent property, and a long-time work cannot know when the water level is too low, when the water level is too high, when water needs to be added, and the like, so that the water level is prevented from being too low to cause a safety problem or reduce the working efficiency, and a water level meter 201h is arranged on the side wall of the water storage tank 201, and the water capacity in the water bucket is controlled through the water level meter 201h.
Preferably, a drain valve 201k is arranged below the water storage tank 201, and certain impurities are generated in the operation of the whole system (comprising the water storage separation device), so that the impurities are discharged through the drain valve 201k, the effect of keeping the inside of the water storage tank 201 clean is achieved, the service life of the water storage separation device is prolonged, and meanwhile, the working efficiency of the device is guaranteed. Because the work efficiency of the internal water circulation is affected when the foreign matters exist in the water storage separation assembly 200, the overall work efficiency is affected.
Wherein, the heat preservation layer 203 is arranged outside the water storage tank 201, and the heat preservation layer 203 is used for preserving the heat of the high temperature water in the water storage tank 201, so that the energy and the time for continuously heating the high temperature water in the water storage tank 201 are saved.
Preferably, the water storage separation assembly 200 further comprises a protection outer frame 204, the protection outer frame 204 is sleeved on the outer side of the water storage tank 201, the safety of the water storage tank 201 is protected, and the water storage separation assembly 200 with the protection outer frame 204 is placed on the supporting member 202 during installation.
And a centrifugal pump 300 having one end connected to the electric heating assembly 100 and the other end connected to the water outlet 201b of the water storage separation assembly 200, and pumping water from the water storage separation assembly 200 to the electric heating assembly 100.
Preferably, the centrifugal pump 300 in the invention adopts a multistage circulating centrifugal pump which can bear the high temperature of more than 200 ℃, the highest temperature after the improvement of the sealing ring can reach more than 260 ℃, the lift can reach more than 230 meters and the high pressure resistance is 2.5MP, and a vertical sectional type external stainless steel shell structure is adopted.
It should be noted that, the multistage centrifugal pump in this embodiment is suitable for transporting clean water and a substance liquid with physical and chemical properties similar to those of clean water, and the multistage centrifugal pump is made of cast steel, so that it has a certain degree of corrosion resistance.
It should be noted that the multistage centrifugal pump medium temperature ranges are: the system pressure in the working pressure of the multistage centrifugal pump is less than or equal to 2.5MP, namely the inlet pressure of the system pressure ═ and the pressure of the pump in working are less than or equal to 2.5MPa, which are 15 ℃ to 220 ℃. And the temperature of the environment surrounding the multistage centrifugal pump should be lower than 40 ℃ and the relative humidity should not exceed 95 percent.
In this embodiment, the working principle of the high-temperature low-pressure hydroelectric heating device is as follows: the electric heating assembly 100, the water storage separation assembly 200, the centrifugal pump 300 and the user equipment a (such as a plurality of ironing machines) are assembled in series, that is, one end of the water storage separation assembly 200 is connected with the user equipment a, the other end is connected with the centrifugal pump 300, the other end of the centrifugal pump 300 is connected with the electric heating assembly 100, and the other end of the user equipment a is connected with the water storage separation assembly 200. The water in the water storage tank 201 is added to 50% of the capacity of the water storage tank 201 through the water inlet 201a, gas generated by boiling water is reserved, the gas is automatically discharged to the boiling point, but the space in the tank is required to be kept balanced, and the generated boiling gas enters the gas and water exhaust valve in the space of the tank to separate and outflow. The water in the water storage tank 201 is pumped into the heating elements 101 in the electric heating assembly 100 by the centrifugal pump 300, because after the number of the heating elements 101 is 9, and the 9 heating elements 101 are connected in series, the heating element 101 connected in series at the end is connected with the user equipment a, and the other end of the user equipment a is connected with the water storage separation assembly 200, so that a closed cycle is formed.
When the heating element 101 is connected to the plurality of user devices a, each user device a is connected in series, so that the temperature of the heating water can be kept balanced, and the situation of excessive pressure is avoided.
After passing through a whole circulation heating system, the high-temperature water flows back to the water storage separation assembly 200 through all devices, the air generated by film boiling is isolated from the high-temperature water, and the air is emptied through the exhaust valve, so that the centrifugal pump 300 sucks the high-temperature water of the electric heating assembly 100 in the secondary circulation process without air.
It should be noted that, in order to reasonably utilize resources, the gas exhausted from the exhaust port 201c may also be connected to the user devices B in this embodiment, and the respective user devices B are connected in parallel.
After the power-on, the centrifugal pump 300 pumps water into the electric heating assembly 100, and the water is serially connected into each heating element 101 to fill all the spiral pipes with water, and the centrifugal pump 300 pumps water until the water fills the whole closed-loop circulation system.
Preferably, in order to reasonably utilize the resources, the user equipment A and the user equipment B can be connected (in series) to realize secondary utilization of the resources.
Referring to fig. 1 to 7, the present invention provides a second embodiment of a high temperature low pressure hydroelectric heating apparatus, which is different from the first embodiment in that: in this embodiment, the electric heating assembly 100 further comprises a door 104, and the door 104 is hinged to a side surface of the housing 103.
In this embodiment, the doors 104 are provided, which can be used to replace or modulate the use of the electric heating rods 102, and the length of each door 104 is 950m, so that the situation of the electric heating rod 102 of each module can be completely detected after the door is opened.
The third embodiment of the high-temperature low-pressure hydroelectric heating device provided by the invention is different from the second embodiment in that: in this embodiment, the electric heating assembly 100 further includes a waste heat recovery member 105 and a secondary pump 106, where the waste heat recovery member 105 is disposed above the housing 103, and includes a radiator made of a coil pipe, and the released waste heat is recovered by the radiator, the waste heat heats water in the waste heat recovery member 105, one end of the secondary pump 106 is connected to the waste heat recovery member 105, the other end is connected to the water storage tank 201, and the user equipment C (such as a rinsing machine) is connected to the water storage tank 201. The secondary pump 106 sucks water in the water storage tank 201 into the waste heat recovery member 105, heats the water in the waste heat recovery member 105 by heat of the waste heat recovery member 105, and transmits the heated water to the user equipment C.
When the number of the user devices C (e.g., a rinsing machine, etc.) is 2 or more, the temperature of the water coming out of the waste heat recovery member 105 is about 90 ℃, and the laundry is easily damaged due to the higher temperature, so that the water tank is provided on the user device C, the waste heat recovery member 105 is connected in series with the water tank, the water tank is connected in parallel with each user device C, the water in the water tank is 40-70 ℃ after the temperature neutralization with the water coming from the joint originally provided by the user device C.
Referring to fig. 1 to 8, the invention also provides a method for heating high-temperature low-pressure water and electricity, which comprises the following steps:
first, replenishing the water storage tank 201 in the water storage separation assembly 200 to 50% through the water inlet 201 a;
secondly, water is pumped into the heating elements 101 through the centrifugal pump 300, the heating elements 101 are connected in series, the water passes through the first spiral pipe 101a, the second spiral pipe 101b and the third spiral pipe 101c connected in series to each heating element 101 and fills each spiral pipe, and each single module (one group of every 3 heating elements 101) is less than 30 liters, does not belong to a pressure vessel and is not regulated by a pressure regulation mechanism;
thirdly, the heating element 101 is connected with the user equipment a, the user equipment a (such as an ironing machine) and the user equipment B (such as a dryer) are connected in series, if the number of the user equipment B is greater than or equal to 2, the user equipment B adopts a series connection mode, and water in the heating element 101 is pumped out to the water storage separation assembly 200 through the centrifugal pump 300 to form a closed circulation system;
fourth, the redundant gas discharged from the water storage separation component 200 is recovered again and is connected in parallel to the user equipment B;
fifthly, the surplus heat generated in the heating element 101 is recovered by the waste heat recovery element 105, and is pumped into the user equipment C (such as a rinsing machine) by the secondary pump 106, and the water heating temperature is 90 ℃, if the number of the user equipment B is greater than or equal to 2, a parallel connection mode is adopted;
wherein the flow rate of the closed loop circulation system is 11.3t/h, and the outlet pressure of the closed loop circulation system is not more than 0.3MPa.
The heating temperature of the electric heating unit 100 is 110 to 370 ℃, the temperature of the water heated to a high temperature and a low pressure is controlled to be 110 to 300 ℃, and the series pressure is 0.3 to 2.5mpa.
That is, the electric heating assembly 100, the water storage separation assembly 200, the centrifugal pump 300, and the user equipment (e.g., a number of dryers, ironing machines, etc.) are assembled. After the power-on, the centrifugal pump 300 pumps water into the electric heating assembly 100, and the water is serially connected into each heating element 101 to fill all the spiral pipes with water, and the centrifugal pump 300 pumps water until the water fills the whole closed-loop circulation system.
Specifically, one end of the water storage separation assembly 200 is connected to the user equipment a, the other end is connected to the centrifugal pump 300, the other end of the centrifugal pump 300 is connected to the electric heating assembly 100, and the other end of the user equipment a is connected to the electric heating assembly 100. The water in the water storage tank 201 is added to 50% of the capacity of the water storage tank 201 through the water inlet 201a, and the water in the water storage tank 201 is pumped into the heating elements 101 in the electric heating assembly 100 through the centrifugal pump 300, because after the number of the heating elements 101 is 9,9 heating elements 101 are connected in series, the heating element 101 connected in series at the end is connected with the user equipment a.
When the heating element 101 is connected to a plurality of user devices, each user device is connected in series, so that the temperature of the heating water can be kept balanced, and the occurrence of excessive pressure is avoided. For example, the heating element 101 is connected to the user equipment a and the user equipment B, which are connected in series. In order to reasonably utilize resources, in this embodiment, the gas exhausted from the exhaust port 201c may also be connected to the user equipment in a parallel manner.
After passing through a whole circulation heating system, the high-temperature water flows back to the water storage separation assembly 200 through all devices, the air generated by film boiling is isolated from the high-temperature water, and the air is emptied through the exhaust valve, so that the centrifugal pump 300 sucks the high-temperature water of the electric heating assembly 100 in the secondary circulation process without air.
The foregoing has outlined the basic principles, features, and advantages of the present invention. The present invention is not limited to the above-described embodiments, but is capable of various changes and modifications without departing from the principle and scope of the application of the present invention, which changes and modifications fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a high temperature low pressure water and electricity heating device which characterized in that: comprising the steps of (a) a step of,
the electric heating assembly (100) comprises a heating element (101), an electric heating rod (102) and a shell (103), wherein the heating element (101) is arranged in the shell (103), and the electric heating rod (102) is connected with the heating element (101);
the water storage separation assembly (200) comprises a water storage tank (201) and a supporting piece (202), wherein the water storage tank (201) is arranged on the supporting piece (202), and a water inlet (201 a) and a water outlet (201 b) are formed in the water storage tank (201);
a centrifugal pump (300) having one end connected to the electric heating unit (100) and the other end connected to the water outlet (201 b) of the water storage separation unit (200);
the water storage tank (201) is provided with an exhaust port (201 c), high-temperature water in the water storage tank (201) is transmitted through the centrifugal pump (300), and gas is discharged through the exhaust port (201 c).
2. The high temperature low pressure hydroelectric heating apparatus according to claim 1, wherein: the heating element (101) comprises a first spiral pipe (101 a), a second spiral pipe (101 b) and a third spiral pipe (101 c);
the first spiral pipe (101 a), the second spiral pipe (101 b) and the third spiral pipe (101 c) are concentric, the diameter of the first spiral pipe (101 a) is larger than that of the second spiral pipe (101 b), and the diameter of the second spiral pipe (101 b) is larger than that of the third spiral pipe (101 c).
3. The high temperature low pressure hydroelectric heating apparatus according to claim 2, wherein: the first spiral pipe (101 a) has a volume of 0.029m 3 The volume of the second spiral tube (101 b) is 0.022m 3 The volume of the third spiral pipe (101 c) is 0.02m 3 。
4. A high temperature low pressure hydroelectric heating apparatus according to claim 2 or claim 3, wherein: the electric heating device is characterized in that 5 electric heating rods (102) are arranged on the first spiral tube (101 a), 4 electric heating rods (102) are arranged on the second spiral tube (101 b), and 3 electric heating rods (102) are arranged on the third spiral tube (101 c).
5. The high temperature low pressure hydroelectric heating apparatus according to claim 4, wherein: the power of the electric heating rod (102) is 2KW.
6. The high temperature low pressure hydroelectric heating apparatus according to any of claims 1, 2, 3 or 5, wherein: the number of the heating elements (101) is 9, and the connection modes among the heating elements (101) are in series connection.
7. The high temperature low pressure hydroelectric heating apparatus according to claim 6, wherein: the electrical heating assembly (100) further comprises a door (104), the door (104) being hinged to a side of the housing (103).
8. The high temperature low pressure hydroelectric heating apparatus according to claim 6, wherein: the heating elements (101) are arranged in groups of 3 bits, and only one group works when the heating elements are circularly heated.
9. A method for heating high-temperature low-pressure water and electricity, which is characterized in that: the method comprises the following steps:
the first step, supplementing a water storage tank (201) in a water storage separation assembly (200) to 50% through a water inlet (201 a);
secondly, pumping water into the heating elements (101) through the centrifugal pump (300), wherein the heating elements (101) are connected in series, and the water passes through the first spiral pipe (101 a), the second spiral pipe (101 b) and the third spiral pipe (101 c) connected in series to each heating element (101) and fills each spiral pipe;
third, the heating element (101) is connected with the user equipment (A), the user equipment (A) is connected with the user equipment (B) in series, and if the number of the user equipment (B) is more than or equal to 2, the user equipment (B) adopts a series connection mode;
fourth, the redundant gas discharged from the water storage separation component (200) is recovered again and is connected in parallel to the user equipment (B);
fifthly, recovering the redundant heat generated in the heating element (101) by adopting a waste heat recovery element (105), extracting the water storage tank (201) into the user equipment (C) by a secondary pump (106), wherein the water heating temperature is 90 ℃, and adopting a parallel connection mode if the number of the user equipment (B) is more than or equal to 2;
and sixthly, pumping the water in the heating element (101) to the water storage separation assembly (200) through the centrifugal pump (300) to form a closed circulation system.
10. The method of high temperature low pressure hydroelectric heating according to claim 9, wherein: the flow rate of the closed-loop circulation system is 11.3t/h, and the outlet pressure of the closed-loop circulation system is not more than 0.3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403292.6A CN110030541B (en) | 2019-05-15 | 2019-05-15 | High-temperature low-pressure hydropower heating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403292.6A CN110030541B (en) | 2019-05-15 | 2019-05-15 | High-temperature low-pressure hydropower heating device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030541A CN110030541A (en) | 2019-07-19 |
| CN110030541B true CN110030541B (en) | 2024-01-09 |
Family
ID=67242267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910403292.6A Active CN110030541B (en) | 2019-05-15 | 2019-05-15 | High-temperature low-pressure hydropower heating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030541B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005024298A1 (en) * | 2003-09-05 | 2005-03-17 | Earlex Limited | Steam generator |
| CN101392903A (en) * | 2008-09-26 | 2009-03-25 | 曹祥龙 | Electric heating double helix plate centrifugal separation pure steam generator |
| KR101187929B1 (en) * | 2012-03-22 | 2012-10-08 | 지성배 | Steam boiler |
| CN107327821A (en) * | 2017-08-31 | 2017-11-07 | 青岛科技大学 | A kind of steam generator of intelligent control vapor (steam) temperature |
| CN107489995A (en) * | 2017-07-12 | 2017-12-19 | 湘潭大学 | A kind of electrical heating pure steam generator |
| CN109506226A (en) * | 2019-01-04 | 2019-03-22 | 廊坊市万福容器有限公司 | A kind of pure steam boiler |
| CN209876879U (en) * | 2019-05-15 | 2019-12-31 | 上海勋友节能环保设备有限公司 | High-temperature low-pressure water electric heating device |
-
2019
- 2019-05-15 CN CN201910403292.6A patent/CN110030541B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005024298A1 (en) * | 2003-09-05 | 2005-03-17 | Earlex Limited | Steam generator |
| CN101392903A (en) * | 2008-09-26 | 2009-03-25 | 曹祥龙 | Electric heating double helix plate centrifugal separation pure steam generator |
| KR101187929B1 (en) * | 2012-03-22 | 2012-10-08 | 지성배 | Steam boiler |
| CN107489995A (en) * | 2017-07-12 | 2017-12-19 | 湘潭大学 | A kind of electrical heating pure steam generator |
| CN107327821A (en) * | 2017-08-31 | 2017-11-07 | 青岛科技大学 | A kind of steam generator of intelligent control vapor (steam) temperature |
| CN109506226A (en) * | 2019-01-04 | 2019-03-22 | 廊坊市万福容器有限公司 | A kind of pure steam boiler |
| CN209876879U (en) * | 2019-05-15 | 2019-12-31 | 上海勋友节能环保设备有限公司 | High-temperature low-pressure water electric heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110030541A (en) | 2019-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206986286U (en) | A kind of safe hypochlorite generator | |
| CN105662130B (en) | Steaming equipment is recycled in a kind of steam pressure, temperature-controllable thermal energy | |
| CN210069996U (en) | Low-temperature reactor heating system with hot water storage tank | |
| CN110108042A (en) | One kind of multiple compound energy pressure-bearing module hot water control systems | |
| CN209876879U (en) | High-temperature low-pressure water electric heating device | |
| CN110030541B (en) | High-temperature low-pressure hydropower heating device and method | |
| CN208380801U (en) | A kind of air compressor machine waste gas utilization device for artificial flowers production | |
| CN209978001U (en) | High-temperature low-pressure water and natural gas heating system | |
| CN212179661U (en) | External circulation steam drum heat taking system | |
| CN209918466U (en) | Cleaning system for reducing conductivity of aluminum heat exchanger of fuel cell | |
| CN110043884B (en) | High-temperature low-pressure natural gas heating system and method | |
| CN104791884B (en) | A kind of Bidirectional circulation heating method and the heating boiler with bidirectional circulating system | |
| CN105674594B (en) | A water circulation instant solar water heater system | |
| CN212108335U (en) | Water resistance industrial boiler | |
| CN202970814U (en) | High-temperature steam waste heat electricity generation energy-saving system | |
| CN103411300B (en) | A kind of tandem type multi-stage heats Vertical Heat hydrophone | |
| CN114318390A (en) | A circulating heat exchange system | |
| CN206113737U (en) | Fused salt energy storage, heat transfer and intelligence control system | |
| CN208720342U (en) | Central hot water equipment | |
| CN207540153U (en) | A kind of hot water supply apparatus | |
| CN207555562U (en) | A kind of energy-storage system for island network | |
| CN217127819U (en) | Clothes drying system | |
| CN207423551U (en) | A kind of recovery type heat commodity inspection device for water heater | |
| CN218915418U (en) | Tubular PTC heating system applied to liquid bath method cell drying technology | |
| CN206269215U (en) | A kind of heat-accumulator tank for being provided with water-level control apparatus |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201221 Address after: Room 209b, building 6, 55 Chunguang Road, Minhang District, Shanghai Applicant after: Shanghai Cuiyu Technology Co.,Ltd. Address before: Room 209, building 6, 55 Chunguang Road, Minhang District, Shanghai Applicant before: SHANGHAI HUNYU ENERGY SAVING AND ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221008 Address after: 313000 Langshan Industrial Park, Xiaopu Town, Changxing County, Huzhou City, Zhejiang Province Applicant after: Beida Qingniao Energy Saving Technology (Zhejiang) Co.,Ltd. Address before: Room 209b, building 6, 55 Chunguang Road, Minhang District, Shanghai Applicant before: Shanghai Cuiyu Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |