CN110906536A - Raw water heating system waste heat utilization equipment and utilization method - Google Patents
Raw water heating system waste heat utilization equipment and utilization method Download PDFInfo
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- CN110906536A CN110906536A CN201911288288.6A CN201911288288A CN110906536A CN 110906536 A CN110906536 A CN 110906536A CN 201911288288 A CN201911288288 A CN 201911288288A CN 110906536 A CN110906536 A CN 110906536A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention discloses a raw water heating system waste heat utilization device and a waste heat utilization method, and the raw water heating system waste heat utilization device comprises a bottom plate, a storage tank and a heat-preserving container, wherein the bottom of the heat-preserving container is fixedly connected with the top of the storage tank, the bottom of the storage tank is fixedly connected with the top of the bottom plate, a supporting plate is fixedly connected between the bottoms of two sides of the inner wall of the heat-preserving container, the top of the supporting plate is fixedly connected with a heating container, the top of the heating container penetrates through the heat-preserving container and extends to the top of the heat-preserving container, the bottom of the inner wall of the heating container is fixedly connected with an electric heating pipe through a fixing plate. According to the raw water heating system waste heat utilization equipment and the utilization method, heat generated by the outer wall of the heating barrel can be transferred into the heat-insulating barrel, the raw water in the heat-insulating barrel is preheated, the heating efficiency of subsequent raw water is accelerated, good conditions are created for effective utilization of subsequent hot water, and actual use requirements are met.
Description
Technical Field
The invention relates to the technical field of waste heat utilization, in particular to waste heat utilization equipment and a waste heat utilization method for a raw water heating system.
Background
Under certain economic and technical conditions, the waste heat is energy which is not utilized in energy utilization equipment, namely redundant and waste energy, the waste heat recycling is an important way for improving the economy and saving fuel, the waste heat recycling ways are many, but the main ways are three ways: the direct utilization of waste heat, waste heat power generation, the comprehensive utilization of waste heat, the direct utilization of waste heat to preheat air, the high-temperature flue exhaust is utilized, the air entering a boiler and an industrial kiln is heated by a high-temperature heat exchanger, the combustion efficiency is improved due to the temperature of the air entering a hearth, so that fuel is saved, the waste heat is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy, and comprises seven types of waste heat of high-temperature waste gas, cooling medium, waste heat of waste steam and waste water, high-temperature products and slag, waste heat of chemical reaction, waste liquid of combustible waste gas, waste heat of waste material and high-pressure fluid, and the like, according to investigation, the total waste heat resources of various industries account for 17-67 percent of the total fuel consumption, and the recyclable waste heat resources account for 60 percent of the total waste heat resources, the waste heat recovery of the flue gas (or other high-temperature polluted gas) with the temperature of more than 280 ℃ is realized in the industries of glass, metallurgy, smelting, petrifaction, building materials, ceramics, light textile and the like, namely, the waste heat recovery method can be applied to industrial boilers, fluidized bed boilers, heat-conducting oil furnaces, smelting furnaces, metallurgical furnaces, blast furnace hot blast furnaces and heating furnaces, as well as chemical fertilizer plants and paper mills, and the flue gas temperature is higher than 280 ℃.
When raw water is heated, the outer wall of the heating barrel generates certain heat which cannot be utilized in time, certain time is consumed in the heating process of the raw water, and the follow-up timely use of hot water is affected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the raw water heating system waste heat utilization equipment and the utilization method thereof, and solves the problems that when raw water is heated, waste heat cannot be collected and utilized in time, and the practicability of the equipment is reduced.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a waste heat utilization device of a raw water heating system comprises a bottom plate, a storage tank and a heat-preserving barrel, wherein the bottom of the heat-preserving barrel is fixedly connected with the top of the storage tank, the bottom of the storage tank is fixedly connected with the top of the bottom plate, a supporting plate is fixedly connected between the bottoms of two sides of the inner wall of the heat-preserving barrel, a heating barrel is fixedly connected with the top of the supporting plate, the top of the heating barrel penetrates through the heat-preserving barrel and extends to the top of the heat-preserving barrel, an electric heating pipe is fixedly connected with the bottom of the inner wall of the heating barrel through a fixing plate, a fixing frame is fixedly connected with the top of the storage tank and positioned at one side of the heating barrel, an installation frame is fixedly connected with the top of the storage tank and positioned at the other side of the heating barrel, a first water pump is, a water outlet of the first water pump is communicated with a water outlet pipe, one end of the water outlet pipe penetrates through the fixed frame and extends to one side of the fixed frame, the top end of the water pumping pipe sequentially penetrates through the fixing frame and the heat-preserving barrel and extends into the heat-preserving barrel, one end of the water pumping pipe extending into the heat-preserving barrel is communicated with the bottom of one side of the heating barrel, the top of the storage tank and the inner part of the mounting frame are fixedly connected with a second water pump through a connecting block, the water inlet of the second water pump is communicated with a water inlet pipe, the water outlet of the second water pump is communicated with a water outlet pipe, one end of the water inlet pipe penetrates through the mounting frame and extends to one side of the mounting frame, one end of the water inlet pipe extending to one side of the mounting frame is communicated with one side of the storage box, the top of drain pipe runs through installing frame and heat-preserving container in proper order and extends to the inside of heat-preserving container, the drain pipe extends to the inside one end of heat-preserving container and the bottom of heating bucket opposite side and is linked together.
Preferably, the bottom of the heat-preserving container is communicated with a vertical pipe, the bottom end of the vertical pipe is communicated with the top of the storage box, and the inside of the vertical pipe is fixedly connected with an electromagnetic valve.
Preferably, the inner wall of the heat-preserving container is bonded with a heat-preserving layer through an adhesive, and the surface of the heating container and the inner part of the heat-preserving container are bonded with a heat-conducting silicone grease layer through an adhesive.
Preferably, the top of the heating barrel is movably connected with a sealing cover, and one side of the top of the sealing cover is communicated with an air outlet.
Preferably, the other side of the top of the sealing cover is communicated with a conduit, and the top of one side of the heat-preserving barrel is communicated with a connecting pipe.
Preferably, one side of the front surface of the storage box is fixedly connected with a control panel, and the output end of the control panel is communicated with the water inlet of the first water pump through a wire.
Preferably, the output end of the control panel is electrically connected with the input end of the second water pump through a wire, the output end of the control panel is electrically connected with the input end of the electric heating pipe through a wire, and the output end of the control panel is electrically connected with the input end of the electromagnetic valve through a wire.
The invention also discloses a utilization method of the waste heat utilization equipment of the raw water heating system, which comprises the following steps:
s1, discharging the raw water into the heating barrel through a guide pipe, discharging the other part of raw water to be heated into the heat-insulating barrel through a connecting pipe, and controlling an electric heating pipe to heat through a control panel, wherein the electric heating pipe heats the raw water in the heating barrel;
s2, conducting heat on the surface of the heating barrel to the inside of the heat-preserving barrel through the heat-conducting silicone grease layer during heating, and preheating raw water in the heat-preserving barrel;
s3, after the raw water in the heating barrel is heated, starting a first water pump, discharging hot water out for subsequent use through a water suction pipe and a water outlet pipe by the first water pump, simultaneously opening an electromagnetic valve, and enabling the preheated raw water in the heat-preserving barrel to enter a storage tank through a vertical pipe;
s4, when the preheated raw water needs to be heated, the second water pump also starts to work, the preheated raw water is conveyed to the inside of the heating barrel through the water inlet pipe and the water outlet pipe by the second water pump, and then the electric heating pipe heats the water, so that the whole work is completed.
(III) advantageous effects
The invention provides a raw water heating system waste heat utilization device and a raw water heating system waste heat utilization method. The method has the following beneficial effects:
(1) the waste heat utilization equipment of the raw water heating system and the utilization method thereof, the top of a heating barrel penetrates through the heat preservation barrel and extends to the top of the heat preservation barrel, the bottom of the inner wall of the heating barrel is fixedly connected with an electric heating pipe through a fixing plate, the top of a storage box is fixedly connected with a fixing frame positioned on one side of the heating barrel, the top of the storage box is fixedly connected with an installation frame positioned on the other side of the heating barrel, the top of the storage box and positioned inside the fixing frame are fixedly connected with a first water pump through a connecting block, a water inlet of the first water pump is communicated with a water suction pipe, a water outlet of the first water pump is communicated with a water outlet pipe, one end of the water outlet pipe penetrates through the fixing frame and extends to one side of the fixing frame, the top end of the water suction pipe sequentially penetrates through the fixing frame and the heat preservation barrel and extends to the inside of the heat preservation barrel, one end of, the water inlet intercommunication of second water pump has the inlet tube, the delivery port intercommunication of second water pump has the drain pipe, the one end of inlet tube runs through the installing frame and extends to one side of installing frame, the one end that the inlet tube extends to installing frame one side is linked together with one side of bin, the inside that installing frame and heat-preserving container and extend to the heat-preserving container is run through in proper order to the top of drain pipe, the drain pipe extends to the bottom of the inside one end of heat-preserving container and heating bucket opposite side and communicates, can realize in the heat transfer that produces the heating bucket outer wall to the heat-preserving container, preheat work to the inside raw water of heat-preserving container, the heating efficiency of follow-up raw water has been accelerated, good condition has been created for follow-up hydrothermal effective.
(2) This raw water heating system waste heat utilization equipment and utilization method, the top fixed connection through the bottom of bin and bottom plate, the top swing joint of heating bucket has sealed lid, and one side intercommunication at sealed lid top has the gas outlet, the opposite side intercommunication at sealed lid top has the pipe, the top intercommunication of heat-preserving container one side has the connecting pipe, can realize storing the raw water after preheating, this bin inside has the heat preservation effect simultaneously, can not make the heat run off, can discharge into the raw water through pipe and connecting pipe.
(3) This raw water heating system waste heat utilization equipment and utilization method, through positive one side fixedly connected with control panel of bin, and control panel's output is linked together through the water inlet of wire with first water pump, control panel's output passes through the input electric connection of wire with the second water pump, control panel's output passes through the input electric connection of wire with electric heating pipe, and control panel's output passes through the input electric connection of wire with the solenoid valve, can realize carrying out effective control to the inside power device of equipment, realize automatic operation, save time and laborsaving and the operation of being convenient for.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
fig. 4 is a schematic block diagram of the system of the present invention.
In the figure: 1-bottom plate, 2-storage tank, 3-heat preservation barrel, 4-support plate, 5-heating barrel, 6-electric heating tube, 7-fixing frame, 8-mounting frame, 9-first water pump, 10-water pumping tube, 11-water outlet tube, 12-second water pump, 13-water inlet tube, 14-water outlet tube, 15-vertical tube, 16-electromagnetic valve, 17-heat preservation layer, 18-heat conduction silicone layer, 19-sealing cover, 20-air outlet, 21-conduit, 22-connecting tube and 23-control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a raw water heating system waste heat utilization equipment can realize transferring heat generated by the outer wall of a heating barrel 5 into a heat-insulating barrel 3, preheating raw water in the heat-insulating barrel 3, accelerating the heating efficiency of subsequent raw water, creating good conditions for effective utilization of subsequent hot water and meeting actual use requirements, and comprises a bottom plate 1, a storage tank 2 and a heat-insulating barrel 3, wherein the bottom of the heat-insulating barrel 3 is fixedly connected with the top of the storage tank 2, the storage tank 2 can realize storage of the preheated raw water, meanwhile, the storage tank 2 has a heat-insulating effect and can not cause heat loss, the bottom of the storage tank 2 is fixedly connected with the top of the bottom plate 1, a support plate 4 is fixedly connected between the bottoms of two sides of the inner wall of the heat-insulating barrel 3, the top of the support plate 4 is fixedly connected with the heating barrel 5, the top of the heating barrel 5 penetrates through the heat-insulating barrel 3, the bottom of the inner wall of the heating barrel 5 is fixedly connected with an electric heating pipe 6 through a fixing plate, the top of the storage box 2 and positioned at one side of the heating barrel 5 are fixedly connected with a fixing frame 7, the top of the storage box 2 and positioned at the other side of the heating barrel 5 are fixedly connected with an installation frame 8, the top of the storage box 2 and positioned inside the fixing frame 7 are fixedly connected with a first water pump 9 through a connecting block, a water inlet of the first water pump 9 is communicated with a water pumping pipe 10, a water outlet of the first water pump 9 is communicated with a water outlet pipe 11, one end of the water outlet pipe 11 penetrates through the fixing frame 7 and extends to one side of the fixing frame 7, the top end of the water pumping pipe 10 sequentially penetrates through the fixing frame 7 and the heat-preserving barrel 3 and extends to the inside of the heat-preserving barrel 3, one end of the water pumping pipe 10 extending to the inside the heat, the water inlet intercommunication of second water pump 12 has inlet tube 13, the delivery port intercommunication of second water pump 12 has drain pipe 14, the one end of inlet tube 13 runs through installing frame 8 and extends to one side of installing frame 8, inlet tube 13 extends to one side of installing frame 8 one side and is linked together with one side of bin 2, the top of drain pipe 14 runs through installing frame 8 and heat-preserving container 3 in proper order and extends to the inside of heat-preserving container 3, drain pipe 14 extends to the inside one end of heat-preserving container 3 and is linked together with the bottom of heating container 5 opposite side.
In the invention, the bottom of the heat-insulating barrel 3 is communicated with a vertical pipe 15, the bottom end of the vertical pipe 15 is communicated with the top of the storage tank 2, and an electromagnetic valve 16 is fixedly connected inside the vertical pipe 15.
In the invention, the inner wall of the heat-insulating barrel 3 is adhered with a heat-insulating layer 17 through an adhesive, and the surface of the heating barrel 5 and the inner part of the heat-insulating barrel 3 are adhered with a heat-conducting silicone grease layer 18 through an adhesive.
In the invention, the top of the heating barrel 5 is movably connected with a sealing cover 19, and one side of the top of the sealing cover 19 is communicated with an air outlet 20.
In the invention, the other side of the top of the sealing cover 19 is communicated with a conduit 21, the top of one side of the heat-preserving barrel 3 is communicated with a connecting pipe 22, and raw water can be discharged through the conduit 21 and the connecting pipe 22.
In the invention, the control panel 23 is fixedly connected to one side of the front surface of the storage box 2, and the output end of the control panel 23 is communicated with the water inlet of the first water pump 9 through a wire, so that the power devices in the equipment can be effectively controlled, the automatic operation is realized, and the time, the labor and the operation are saved and the operation is convenient.
In the present invention, the output end of the control panel 23 is electrically connected to the input end of the second water pump 12 through a wire, the output end of the control panel 23 is electrically connected to the input end of the electric heating pipe 6 through a wire, and the output end of the control panel 23 is electrically connected to the input end of the electromagnetic valve 16 through a wire.
The invention also discloses a utilization method of the waste heat utilization equipment of the raw water heating system, which comprises the following steps:
s1, discharging the raw water into the heating barrel 5 through the conduit 21, discharging the other part of the raw water to be heated into the heat-insulating barrel 3 through the connecting pipe 22, controlling the electric heating pipe 6 to heat through the control panel 23, and heating the raw water in the heating barrel 5 through the electric heating pipe 6;
s2, conducting heat on the surface of the heating barrel 5 to the inside of the heat-insulating barrel 3 through the heat-conducting silicone grease layer 18 during heating, and preheating raw water in the heat-insulating barrel 3;
s3, after the raw water in the heating barrel 5 is heated, starting the first water pump 9, discharging hot water out for subsequent use through the water pumping pipe 10 and the water outlet pipe 11 by the first water pump 9, meanwhile, opening the electromagnetic valve 16, and enabling the preheated raw water in the heat-preserving barrel 3 to enter the storage tank 2 through the vertical pipe 15;
s4, when the preheated raw water needs to be heated, the second water pump 12 starts to work, the second water pump 12 delivers the preheated raw water to the interior of the heating barrel 5 through the water inlet pipe 13 and the water outlet pipe 14, and the electric heating pipe 6 heats the preheated raw water, thereby completing the whole work.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a raw water heating system waste heat utilization equipment, includes bottom plate (1), bin (2) and heat-preserving container (3), the top fixed connection of the bottom of heat-preserving container (3) and bin (2), the top fixed connection of the bottom of bin (2) and bottom plate (1), its characterized in that: the heat preservation barrel is characterized in that a supporting plate (4) is fixedly connected between the bottoms of two sides of the inner wall of the heat preservation barrel (3), a heating barrel (5) is fixedly connected to the top of the supporting plate (4), the top of the heating barrel (5) penetrates through the heat preservation barrel (3) and extends to the top of the heat preservation barrel (3), an electric heating pipe (6) is fixedly connected to the bottom of the inner wall of the heating barrel (5) through a fixing plate, a fixing frame (7) is fixedly connected to the top of the storage box (2) and located on one side of the heating barrel (5), an installation frame (8) is fixedly connected to the top of the storage box (2) and located on the inner side of the fixing frame (7) through a connecting block, a first water pump (9) is fixedly connected to the top of the storage box (2) and located inside the fixing frame (7), a water suction pipe (10) is communicated with a water inlet of the, the one end of outlet pipe (11) runs through fixed frame (7) and extends to one side of fixed frame (7), the top of drinking-water pipe (10) runs through fixed frame (7) and heat-preserving container (3) in proper order and extends to the inside of heat-preserving container (3), drinking-water pipe (10) extend to the inside one end of heat-preserving container (3) and are linked together with the bottom of heating bucket (5) one side, the top of bin (2) just is located the inside of installing frame (8) and passes through connecting block fixedly connected with second water pump (12), the water inlet intercommunication of second water pump (12) has inlet tube (13), the delivery port intercommunication of second water pump (12) has drain pipe (14), the one end of inlet tube (13) runs through installing frame (8) and extends to one side of installing frame (8), one end that inlet tube (13) extended to installing frame (8) one side is linked together with one side of storing box (2), the top of drain pipe (14) runs through installing frame (8) and heat-preserving container (3) in proper order and extends to the inside of heat-preserving container (3), drain pipe (14) extend to the inside one end of heat-preserving container (3) and the bottom of heating bucket (5) opposite side is linked together.
2. The raw water heating system waste heat utilization device as claimed in claim 1, wherein: the bottom of heat-preserving container (3) communicates has standpipe (15), and the bottom of standpipe (15) is linked together with the top of bin (2), the inside fixedly connected with solenoid valve (16) of standpipe (15).
3. The raw water heating system waste heat utilization device as claimed in claim 1, wherein: the inner wall of the heat-insulating barrel (3) is bonded with a heat-insulating layer (17) through an adhesive, and the surface of the heating barrel (5) and the inner part of the heat-insulating barrel (3) are bonded with a heat-conducting silicone grease layer (18) through an adhesive.
4. The raw water heating system waste heat utilization device as claimed in claim 1, wherein: the top of the heating barrel (5) is movably connected with a sealing cover (19), and one side of the top of the sealing cover (19) is communicated with an air outlet (20).
5. The raw water heating system waste heat utilization device as claimed in claim 4, wherein: the other side of the top of the sealing cover (19) is communicated with a guide pipe (21), and the top of one side of the heat-preserving barrel (3) is communicated with a connecting pipe (22).
6. The raw water heating system waste heat utilization device as claimed in claim 1, wherein: the storage box is characterized in that a control panel (23) is fixedly connected to one side of the front face of the storage box (2), and the output end of the control panel (23) is communicated with a water inlet of the first water pump (9) through a wire.
7. The raw water heating system waste heat utilization device as claimed in claim 6, wherein: the output end of the control panel (23) is electrically connected with the input end of the second water pump (12) through a lead, the output end of the control panel (23) is electrically connected with the input end of the electric heating pipe (6) through a lead, and the output end of the control panel (23) is electrically connected with the input end of the electromagnetic valve (16) through a lead.
8. A utilization method of waste heat utilization equipment of a raw water heating system is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, discharging raw water into the heating barrel (5) through the guide pipe (21), discharging the other part of raw water to be heated into the heat-preserving barrel (3) through the connecting pipe (22), controlling the electric heating pipe (6) to heat through the control panel (23), and heating the raw water in the heating barrel (5) through the electric heating pipe (6);
s2, conducting heat on the surface of the heating barrel (5) to the inside of the heat-preserving barrel (3) through the heat-conducting silicone grease layer (18) during heating, and preheating raw water in the heat-preserving barrel (3);
s3, after the raw water in the heating barrel (5) is heated, starting a first water pump (9), discharging hot water out for subsequent use by the first water pump (9) through a water suction pipe (10) and a water outlet pipe (11), simultaneously opening an electromagnetic valve (16), and allowing the preheated raw water in the heat-insulating barrel (3) to enter a storage tank (2) through a vertical pipe (15);
s4, when the preheated raw water needs to be heated, the second water pump (12) starts to work, the preheated raw water is conveyed to the inside of the heating barrel (5) by the second water pump (12) through the water inlet pipe (13) and the water outlet pipe (14), and then the electric heating pipe (6) is used for heating, so that the whole work is completed.
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| CN201911288288.6A CN110906536A (en) | 2019-12-16 | 2019-12-16 | Raw water heating system waste heat utilization equipment and utilization method |
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| CN201911288288.6A CN110906536A (en) | 2019-12-16 | 2019-12-16 | Raw water heating system waste heat utilization equipment and utilization method |
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| CN111894526A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Wax-blocking-proof continuous production device of self-blowing oil well |
| CN111894527A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
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| CN201842667U (en) * | 2010-05-05 | 2011-05-25 | 李艳 | Drinking water treatment equipment |
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