CN111351216A

CN111351216A - Energy-saving heating system capable of recycling hot water

Info

Publication number: CN111351216A
Application number: CN202010168995.8A
Authority: CN
Inventors: 彭清莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-30

Abstract

The invention provides an energy-saving heating system capable of recycling hot water. The output end of the water storage cavity is communicated with the input end of a hot water pipeline, the input end of the hot water pipeline is provided with a first switch valve, and a circulating pump is arranged on the hot water pipeline. The input and the hot water pipeline intercommunication of domestic water pipe, the input of domestic water pipe is provided with the second ooff valve, and the hot water pipeline is worn to locate indoorly, and the output of hot water pipeline and backflow pipeline's input intercommunication. The output end of the return pipeline is communicated with the water storage tank. The combustion chamber is communicated with the input end of the smoke exhaust pipeline, the middle part of the smoke exhaust pipeline is bent and spirally arranged in the water storage tank, the input end of the air preheater is communicated with the smoke exhaust pipeline, the output end of the air preheater is communicated with the input end of the heating pipe, and the output end of the heating pipe is communicated with the combustion chamber.

Description

Energy-saving heating system capable of recycling hot water

Technical Field

The invention relates to the field of urban construction, in particular to an energy-saving heating system capable of recycling hot water.

Background

A heating system is an engineering facility that must supply heat to a room in order to maintain a desired temperature in the room. The method is divided into electric ground heating and water ground heating. The energy consumed by the electric heating system is electricity. The water floor heating adopts the mode that hot water is used as a heating medium, a floor or a radiator is heated in a circulating flow mode in a heating pipe, and heat is supplied to the indoor space through ground radiation heat transfer. The household water heater has a powerful household heating function, can meet the heating requirement of multiple rooms through the floor heating system, can set the temperature of each room at will according to the requirement, and can supply large-flow constant-temperature domestic hot water. The water floor heating is called low-temperature hot water floor radiation heating. Hot water with the temperature not higher than 60 ℃ is used as a heating medium, and the hot water circularly flows in a heating pipe embedded in a ground filling layer to heat the ground, so that heat is supplied to the indoor through the ground mainly in a radiation heat transfer mode.

However, compared with electric floor heating, the water floor heating has higher safety performance, lower equipment cost and lower use cost, meets the economic requirement of people on heating, and is very popular with the masses. However, the traditional water floor heating system has a low utilization rate of heat, so that a large amount of energy is wasted, and the heating cost is increased.

Disclosure of Invention

Based on this, it is necessary to provide an energy-saving heating system capable of recycling hot water for the technical problem that the traditional water floor heating system has a low heat utilization rate.

An energy-saving heating system for recycling hot water, comprising: the device comprises a heating furnace, a smoke exhaust pipeline, an air preheater, a heating pipe, a water storage tank, a water supply pipeline, a hot water pipeline, a domestic water pipeline and a return pipeline;

the heating furnace is provided with a combustion cavity and a water storage cavity; a water suction pump is arranged in the water storage tank, the output end of the water suction pump is communicated with the input end of the water supply pipeline, and the output end of the water supply pipeline is communicated with the input end of the water storage cavity; the output end of the water storage cavity is communicated with the input end of the hot water pipeline, the input end of the hot water pipeline is provided with a first switch valve, and the hot water pipeline is provided with a circulating pump; the input end of the domestic water pipeline is communicated with the hot water pipeline, the input end of the domestic water pipeline is provided with a second switch valve, the hot water pipeline penetrates through the room, and the output end of the hot water pipeline is communicated with the input end of the return pipeline; the output end of the return pipeline is communicated with the water storage tank;

the combustion chamber is communicated with the input end of the smoke exhaust pipeline, the middle part of the smoke exhaust pipeline is bent and spirally arranged in the water storage tank, the input end of the air preheater is communicated with the smoke exhaust pipeline, the output end of the air preheater is communicated with the input end of the heating pipe, and the output end of the heating pipe is communicated with the combustion chamber.

In one embodiment, an auxiliary electric heater is arranged on the hot water pipeline.

In one embodiment, a temperature sensor is arranged on the hot water pipeline.

In one embodiment, a water level sensor is arranged in the water storage tank.

In one embodiment, the energy-saving heating system for recycling hot water further comprises a flue gas desulfurization device, and the output end of the smoke exhaust pipeline is communicated with the input end of the flue gas desulfurization device.

In one embodiment, the energy-saving heating system for recycling hot water further comprises a dust removing device, and the output end of the smoke exhaust pipeline is communicated with the input end of the dust removing device.

In one embodiment, the water supply conduit is provided with a heat insulating sleeve.

In one embodiment, the domestic water pipeline is provided with a heat insulation sleeve.

In one embodiment, an insulating sleeve is disposed on the return conduit.

In one embodiment, the insulating sleeve is a plastic foam sleeve.

Above-mentioned hot water cyclic utilization's energy-conserving heating system is in the course of the work, water injection in the water storage chamber to the heating furnace through the storage water tank, the heating furnace heats the water in the water storage chamber, hot water in the water storage chamber passes through hot-water line and conducts the heat to indoor, the warm water that forms after the hot water heat dissipation passes through in the backward flow pipeline reentrant storage water tank, realized the cyclic utilization to water, the water resource is practiced thrift, the heat of the warm water that forms after the hot water heat dissipation has been reused, the utilization ratio to the heat has been improved. High-temperature smoke generated by the heating furnace in the working process heats water in the water storage tank through the smoke exhaust pipeline, so that the utilization rate of heat is further improved. The air preheater uses the heat of the high-temperature smoke to heat the air in the combustion chamber, which is beneficial to the full combustion of the fuel in the combustion chamber, improves the combustion efficiency of the fuel and reduces the emission of the pollution gas generated by the insufficient combustion of the fuel.

Drawings

Fig. 1 is a schematic structural diagram of an energy-saving heating system for recycling hot water in one embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, the present invention provides an energy-saving heating system 10 for recycling hot water, wherein the energy-saving heating system 10 for recycling hot water comprises a heating furnace 100, a smoke exhaust pipe 200, an air preheater 300, a heating pipe 400, a water storage tank 500, a water supply pipe 600, a hot water pipe 700, a domestic water pipe 800 and a return pipe 900. The heating furnace 100 is opened with a combustion chamber 101 and a water storage chamber 102. The water storage tank 500 is communicated with an external tap water pipe to supplement water to the water storage tank 500. A water pump 510 is arranged in the water storage tank 500, the output end of the water pump 510 is communicated with the input end of a water supply pipeline 600, and the output end of the water supply pipeline 600 is communicated with the input end of the water storage cavity 102. In this embodiment, a water level sensor is provided in the water storage tank 500 to detect the amount of water in the water storage tank 500 in real time, and when the water in the water storage tank 500 is insufficient, the water is supplemented to the water storage tank 500 in time. The output end of the water storage cavity 102 is communicated with the input end of the hot water pipe 700, the input end of the hot water pipe 700 is provided with a first switch valve 710, and the hot water pipe 700 is provided with a circulating pump 720 to provide power for the flow of water in the hot water pipe 700 and the return pipe 900. The input end of the domestic water pipeline 800 is communicated with the hot water pipeline 700, the input end of the domestic water pipeline 800 is provided with a second switch valve 810, the hot water pipeline 700 is arranged indoors in a penetrating mode, and the output end of the hot water pipeline 700 is communicated with the input end of the return pipeline 900. The output end of the return pipe 900 is communicated with the water storage tank 500. The combustion chamber 101 is communicated with the input end of the smoke exhaust pipe 200, the middle part of the smoke exhaust pipe 200 is bent and spirally arranged in the water storage tank 500, the input end of the air preheater 300 is communicated with the smoke exhaust pipe 200, the output end of the air preheater 300 is communicated with the input end of the heating pipe 400, and the output end of the heating pipe 400 is communicated with the combustion chamber 101.

Above-mentioned energy-conserving heating system 10 of hot water cyclic utilization is in the course of the work, annotate water to the water storage chamber 102 of heating furnace 100 through storage water tank 500, water in the water storage chamber 102 is heated to heating furnace 100, hot water in the water storage chamber 102 passes through hot-water line 700 and conducts the heat to indoor, the warm water that forms after the hot water heat dissipation passes through backflow pipeline 900 and flows into storage water tank 500 again, realized the cyclic utilization to water, the water resource has been practiced thrift, the heat of the warm water that forms after the hot water heat dissipation has been reused, the utilization ratio to the heat has been improved. The high-temperature smoke generated by the heating furnace 100 in the working process heats the water in the water storage tank 500 through the smoke exhaust pipe 200, so that the utilization rate of heat is further improved. The air preheater 300 uses the heat of the high-temperature smoke to heat the air in the combustion chamber 101, which is helpful for the sufficient combustion of the fuel in the combustion chamber 101, improves the combustion efficiency of the fuel, and reduces the emission of the pollution gas generated by the insufficient combustion of the fuel.

In order to improve the environmental protection performance of the energy-saving heating system for recycling hot water, in one embodiment, the energy-saving heating system for recycling hot water further includes a flue gas desulfurization device 210, and the output end of the smoke exhaust pipe 200 is communicated with the input end of the flue gas desulfurization device 210. It should be noted that sulfur and sulfur-containing compounds inevitably exist in the boiler fuel, and the exhaust gas generated by the combustion of sulfur and sulfur-containing compounds contains harmful gases such as sulfur dioxide, and the flue gas desulfurization device 210 can effectively reduce the emission of harmful gases such as sulfur dioxide. The environmental protection performance of the energy-saving heating system with hot water recycling is improved. In this embodiment, the desulfurizer is a dry desulfurizer. Further, the desulfurizer is a box-type desulfurizer. In further embodiments, the desulfurizer is a tower desulfurizer. In another embodiment, the energy-saving heating system for recycling hot water further comprises a dust removing device, and the output end of the smoke exhaust pipeline is communicated with the input end of the dust removing device. In the process of coal combustion in the boiler, a large amount of dust is inevitably generated, in the embodiment, the dust removal equipment is an electric dust remover, the electric dust remover introduces dust-containing airflow into an electrostatic field, the gas is ionized under the action of a high-voltage electric field to generate positive and negative ions, dust particles can carry charges when encountering the charged ions, and the dust particles are removed to a settling polar plate with the sign opposite to the negative charges of the dust particles at a certain speed to complete settling. Therefore, harmful gases such as dust and sulfur dioxide in the tail gas discharged by the heating furnace 100 are removed, and the environmental protection performance of the energy-saving heating system with hot water recycling is improved.

Referring to fig. 1, in order to further improve the operation stability of the energy-saving heating system for recycling hot water, in one embodiment, an auxiliary electric heater 610 is disposed on the hot water pipe 700, and when the temperature of the water in the hot water pipe 700 is not high, the auxiliary electric heater 610 is turned on, so that the auxiliary electric heater 610 performs auxiliary heating on the water in the hot water pipe 700 to ensure that the temperature of the water in the hot water pipe 700 can meet the heating requirement. In one embodiment, a temperature sensor is disposed on the hot water pipe 700. The temperature sensor may detect the temperature of the water in the hot water pipe 700 in real time, so that a user may decide whether to turn on the auxiliary electric heater 610 to perform auxiliary heating on the water in the hot water pipe 700 according to the temperature of the water in the hot water pipe 700. So, the problem that the temperature of the water in the hot water pipeline 700 is too low to meet the heating requirement is avoided by the auxiliary electric heater 610 arranged on the hot water pipeline 700, and the working stability of the energy-saving heating system for recycling hot water is improved.

In order to further improve the heat utilization rate of the energy-saving heating system for recycling hot water, in one embodiment, the water supply pipeline 600 is provided with a heat insulation sleeve, that is, the heat insulation sleeve wraps the whole water supply pipeline 600, so as to reduce the heat of the warm water lost to the outside through the water supply pipeline 600 during the water injection process of the water storage tank 500 into the water storage cavity 102 in the heating furnace 100. The domestic water pipeline 800 is provided with a heat insulation sleeve, that is, the heat insulation sleeve is wrapped on the whole domestic water pipeline 800, so that the heat of the hot water in the domestic water pipeline 800 is reduced and dissipated to the outside through the domestic water pipeline 800. The heat insulation sleeve is arranged on the return pipe 900, that is, the heat insulation sleeve is wrapped on the whole return pipe 900, so that the process that the return pipe 900 guides warm water into the water storage tank 500 is reduced, and the warm water in the return pipe 900 is dissipated to the outside through the return pipe 900. In this embodiment, the heat insulating sleeve is a plastic foam sleeve, and on one hand, the plastic foam sleeve is low in price and low in cost. On the other hand, the plastic foam sleeve has good heat insulation effect, and can effectively prevent the heat loss of hot water. And secondly, the plastic foam sleeve is made of softer material, so that the plastic foam sleeve can well protect the pipeline. Therefore, the heat utilization rate of the energy-saving heating system for recycling hot water is improved.

In order to improve the heat preservation effect, in one embodiment, the hot water pipeline is the heat preservation PVC pipe, and is concrete, the heat preservation PVC pipe includes the body, fastening component has been cup jointed to the outside of body, fastening component includes the card strip, fastening bolt and cassette, the inside embedding of cassette is installed the card strip, and the cassette slides with the card strip, fastening bolt is installed to the upper surface embedding of cassette, and the cassette passes through threaded connection with fastening bolt, cassette and card strip are the component of plastics material, and cassette and card strip formula design as an organic whole, can the person of facilitating the use carry out the block to the body through fastening component, the user cup joints a plurality of fastening components in the outside of body, can play good protective effect, prevent the body problem that breaks and warp from appearing.

Further, the inside of the pipe body is hermetically provided with an anti-reflux component, the inner layer of the pipe body is provided with a cavity, the inside of the cavity is uniformly filled with glass wool, the anti-reflux component comprises a sleeve, a chute, a limiting block, a sliding rod, a floating ball, a groove and a chute, the inside center of the sleeve is sequentially provided with the chute and the groove from left to right, the sleeve is fixed with the pipe body, a sealing ring is arranged at the joint of the sleeve and the pipe body, the chute is communicated with the groove, the inside of the sleeve is provided with the chute near the upper and lower positions of the groove, the inside of the chute slides with the limiting block, one end of the limiting block is fixedly provided with the sliding rod, the bottom end of the sliding rod is fixedly provided with the floating ball, the radius of the groove is larger than that of the floating ball, the central point of the groove and the central point of the floating ball are positioned on the same horizontal, the normal conveying and use of the fluid are guaranteed, and unnecessary fluid waste is reduced.

Thus, the heating system passes through the heat-preservation PVC pipe, when hot water flows from left to right, the hot water sequentially passes through the flow groove and the groove, the hot water normally circulates, when the hot water flows from right to left, the floating ball is driven to move leftwards, the sliding rod and the limiting block are driven to move leftwards in the sliding groove until the floating ball is attached to the groove, the groove is sealed, the hot water on the right side of the floating ball cannot flow leftwards through the groove and the flow groove, the sealing effect is achieved, the backflow phenomenon of the hot water in the pipe body can be prevented through the backflow preventing assembly, the normal conveying and use of the hot water are guaranteed, meanwhile, unnecessary hot water waste is reduced, then a user inserts the clamping strip into the clamping seat, after the clamping strip moves to a proper position, the clamping strip is fastened through screwing the fastening bolt, the fastening assembly is fixed at the moment, the user can sequentially sleeve a plurality of fastening assemblies at corresponding nodes of the pipe body, can the person of facilitating the use carry out the block to the body through fastening components, the user cup joints a plurality of fastening components in the outside of body, can play good protecting effect, prevents that the body from appearing breaking and the problem of deformation, and the inside even packing of cavity has glass cotton, and glass cotton has good heat preservation effect, so through pack glass cotton in the cavity, can improve the thermal insulation performance of body greatly.

In order to prevent the domestic water pipeline from being aged more quickly due to the water quality of the domestic water, in one embodiment, the domestic water pipeline is an anti-aging PVC pipe, specifically, the domestic water pipeline comprises a pipeline body and a first pipe body arranged inside the pipeline body, a second pipe body is arranged inside the first pipe body, a wear-resistant layer is arranged on the outer surface of the pipeline body, an anti-aging layer is arranged between the wear-resistant layer and the first pipe body, a shock-absorbing layer is arranged between the first pipe body and the second pipe body, the anti-aging layer is arranged on the inner surface of the second pipe body, a wear-resistant coating is arranged inside the wear-resistant layer, an anti-aging coating is arranged inside the anti-aging layer, a PU steel wire mesh is arranged inside the shock-absorbing layer, an external thread is arranged on the outer surface of one end of the pipeline body, a first flange is arranged at one end, the central position of one side of the first flange plate close to the pipeline body is provided with a connecting disc.

Furthermore, the first flange plate and the connecting disc are of an integrated structure, a threaded through hole matched with the external thread is formed in the center of the side face of the connecting disc, smooth through holes are formed in the first flange plate and the second flange plate, the first flange plate and the second flange plate are connected with a nut through bolts at the smooth through holes, a gasket is arranged between the first flange plate and the second flange plate, a sealing space is formed between the first flange plate and the second flange plate, the sealing performance between the pipeline body and the other pipeline body is ensured, a worker can quickly connect the pipeline body with the other pipeline body through the first flange plate and the second flange plate, the installation and disassembly work of the pipeline body connecting device is facilitated for the worker, and the secondary utilization of the pipeline body connecting device is facilitated.

Furthermore, the wear-resistant coating is a member made of ZS-922 transparent wear-resistant coating, the wear-resistant coating is pasted on the outer surface of the pipeline body by coating glue on the surface of the pipeline body, two layers of anti-aging layers are arranged, the anti-aging layers are members made of one or more of a black glue coating, a silver glue coating and a UV coating, and the first pipe body and the second pipe body are pipe bodies made of PVC materials. When the anti-aging wear-resistant water pipe is used in the embodiment, the wear-resistant layer can improve the wear resistance of the anti-aging wear-resistant water pipe, and the anti-aging layer can enable the anti-aging wear-resistant water pipe to have good anti-aging performance and prolong the service life of a domestic water pipe.

Thus, when a worker needs to install a domestic water pipeline, one end of the pipeline body with the external thread is screwed into the first flange plate through the matching of the external thread and the threaded through hole, one end of the other pipeline body is installed in the second flange plate by the same method, and finally the first flange plate and the second flange plate are fixedly connected through the corresponding smooth through holes in the first flange plate and the second flange plate by bolts and nuts, because a gasket is arranged between the first flange plate and the second flange plate, a sealing space can be formed between the first flange plate and the second flange plate, the sealing performance between the pipeline body and the other pipeline body is ensured, the worker can quickly connect the pipeline body and the other pipeline body through the first flange plate and the second flange plate, and the installation and the disassembly of the domestic water pipeline by the worker are convenient, also be favorable to the reutilization of domestic water pipeline simultaneously, domestic water pipeline is when using, the wearing layer can increase domestic water pipeline's wear resistance, the ageing resistance layer can make domestic water pipeline have good ageing resistance, increase domestic water pipeline's life-span, when domestic water pipeline receives external effort, the buffer layer can cushion the impact force of external effort to the inside PVC pipe of domestic water pipeline, this domestic water pipeline simple structure, through its unique design, make things convenient for staff's installation and dismantlement work.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An energy-saving heating system capable of recycling hot water is characterized by comprising: the device comprises a heating furnace, a smoke exhaust pipeline, an air preheater, a heating pipe, a water storage tank, a water supply pipeline, a hot water pipeline, a domestic water pipeline and a return pipeline;

2. The energy-saving heating system using hot water for recycling according to claim 1, wherein an auxiliary electric heater is provided on the hot water pipe.

3. The energy-saving heating system using hot water for recycling according to claim 1, wherein a temperature sensor is provided on the hot water pipe.

4. The energy-saving heating system for recycling hot water according to claim 1, wherein a water level sensor is provided in the water storage tank.

5. The energy-saving hot water recycling heating system according to claim 1, further comprising a flue gas desulfurization device, wherein the output end of the smoke exhaust pipeline is communicated with the input end of the flue gas desulfurization device.

6. The energy-saving hot water recycling heating system according to claim 1, further comprising a dust removing device, wherein the output end of the smoke exhaust pipeline is communicated with the input end of the dust removing device.

7. The energy-saving heating system for recycling hot water according to claim 1, wherein the water supply pipeline is provided with a heat insulating sleeve.

8. The energy-saving hot-water recycling heating system according to claim 1, wherein a heat insulating jacket is provided on the domestic water pipe.

9. The energy-saving heating system using hot water for recycling according to claim 1, wherein a heat insulating jacket is provided on the return pipe.

10. A hot-water recycling energy-saving heating system according to any one of claims 7 to 9, wherein the heat insulating jacket is a plastic foam jacket.