CN211399977U - Indirect heating system of energy-conserving transformation of electric heating - Google Patents
Indirect heating system of energy-conserving transformation of electric heating Download PDFInfo
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- CN211399977U CN211399977U CN201921987792.0U CN201921987792U CN211399977U CN 211399977 U CN211399977 U CN 211399977U CN 201921987792 U CN201921987792 U CN 201921987792U CN 211399977 U CN211399977 U CN 211399977U
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Abstract
The utility model discloses an indirect heating system of electric heating energy-saving reconstruction, which belongs to the field of heat energy heating and has the technical scheme that the indirect heating system comprises a primary circulating pipeline, a heat exchange component, a secondary circulating pipeline and a heating boiler; the primary circulating pipeline comprises a primary heating water supply pipe and a primary heating water return pipe, and two ends of the primary heating water supply pipe and the primary heating water return pipe are respectively communicated with the heat exchange assembly and the heating boiler; the secondary circulation pipeline comprises a secondary heating water supply pipe and a secondary heating water return pipe, the secondary heating water supply pipe and the secondary heating water return pipe are respectively communicated with the external network water supply pipe and the external network water return pipe, and the secondary heating water supply pipe and the secondary heating water return pipe are also communicated with the heat exchange component. The utility model provides an outer net circulating water lead to the pipeline in the boiler easily to produce the incrustation scale, and then cause the problem of influence to boiler heat supply ability.
Description
Technical Field
The utility model relates to a heat energy heating field, in particular to indirect heating system of energy-conserving transformation of electric heating.
Background
The heating is a technology of manually supplying heat to the room to keep the room at a certain temperature so as to create suitable living conditions or working conditions; basic working principle of the heating system: the low-temperature heat medium is heated in the heat source, and after absorbing heat, the low-temperature heat medium is changed into a high-temperature heat medium (high-temperature water or steam), and the high-temperature heat medium is sent to the indoor through a conveying pipeline, and the heat is released through a heat dissipation device to increase the indoor temperature; the temperature is reduced after heat dissipation to become a low-temperature heating medium (low-temperature water), and the low-temperature heating medium returns to a heat source through a recovery pipeline for recycling. The circulation is continuous, so that heat is continuously sent into the room from the heat source to supplement heat loss in the room, and the room is kept at a certain temperature.
The existing heating system adopts a direct heating system, namely circulating water of an outer net directly enters a pipeline of a boiler, but the chloride content in the circulating water is 110-120 mg/L and exceeds the chloride concentration of a normal direct-supply hot water boiler, so that the heating capacity of the boiler is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indirect heating system of energy-conserving transformation of electric heating, it has the pipeline that prevents in the boiler and produces the incrustation scale, makes the heating capacity of boiler can not receive the characteristics of influence.
The above object of the present invention can be achieved by the following technical solutions: an indirect heating system of energy-saving reconstruction of electric heating comprises a primary circulating pipeline, a heat exchange assembly, a secondary circulating pipeline and a heating boiler;
the primary circulating pipeline comprises a primary heating water supply pipe and a primary heating water return pipe, and two ends of the primary heating water supply pipe and the primary heating water return pipe are respectively communicated with the heat exchange assembly and the heating boiler;
the secondary circulation pipeline comprises a secondary heating water supply pipe and a secondary heating water return pipe, the secondary heating water supply pipe and the secondary heating water return pipe are respectively communicated with the external network water supply pipe and the external network water return pipe, and the secondary heating water supply pipe and the secondary heating water return pipe are also communicated with the heat exchange component.
Through adopting above-mentioned technical scheme, primary circulation pipeline and secondary circulation pipeline exchange the heat through heat exchange assemblies, boiler and primary circulation pipeline, outer net pipeline and secondary circulation pipeline intercommunication, the boiler need not just can realize the transmission of heat energy to the building with outer net pipe connection, so can avoid the circulating water of outer net to get into in the boiler, can avoid the pipeline in the boiler to produce the incrustation scale, make the heating performance of boiler can not receive the influence.
The utility model discloses further set up to: the heat exchange assembly is formed by connecting a plurality of corrugated tube heat exchangers in parallel.
Through adopting above-mentioned technical scheme, a plurality of nodal pipe heat exchangers constitute heat exchange assembly, can improve the efficiency of heat transfer, avoid the inside heat energy of outer net not enough.
The utility model discloses further set up to: and the primary heating water return pipe and the secondary heating water return pipe are communicated with a tap water pipe.
Through adopting above-mentioned technical scheme, water pipe can carry out the moisturizing to primary circulation pipeline and secondary circulation pipeline, makes primary circulation pipeline and secondary circulation pipeline can normally accomplish thermal transmission work.
The utility model discloses further set up to: and an automatic softened water treatment device and a softened water tank are also arranged between the secondary heating water return pipe and the tap water pipe, the softened water tank is connected with the secondary heating water return pipe and the automatic softened water treatment device, and the automatic softened water treatment device is connected with the tap water pipe.
By adopting the technical scheme, the secondary circulating pipeline is communicated with the external network, so that the water quantity of the circulating water is large, and the tap water is softened, so that the cost for treating the tap water can be reduced.
The utility model discloses further set up to: and a straight-through dirt remover is fixedly arranged on the secondary heating water return pipe.
Through adopting above-mentioned technical scheme, direct dirt separator can be to the meeting running water scrubbing that the secondary heating wet return brought back, avoids in the impurity heat transfer component that intakes that the aquatic contains of backward flow, reduces the influence that causes heat transfer component.
The utility model discloses further set up to: and a reverse osmosis water treatment device is also arranged between the primary heating water return pipe and the tap water pipe, the reverse osmosis water treatment device is connected with the tap water pipe, and a pure water tank is also arranged between the reverse osmosis water treatment device and the primary heating water return pipe.
Through adopting above-mentioned technical scheme, the water yield of primary loop pipeline internal recycle water is less, so adopts reverse osmosis water treatment facilities to handle the running water, can handle better to the running water, reduces the influence that causes heating boiler, still can not lead to the cost too high.
The utility model discloses further set up to: and an automatic water supplementing and constant pressure degassing device is further arranged between the pure water tank and the primary heating water return pipe, and a water inlet and a water outlet of the automatic water supplementing and constant pressure degassing device are respectively connected with the pure water tank and the primary heating water return pipe.
Through adopting above-mentioned technical scheme, automatic water supply level pressure degasser can carry out automatic water supply according to the pressure value in the circulating line, need not manual operation, can in time supply the circulating water.
The utility model discloses further set up to: the softening water tank and the pure water tank are fixedly connected with overflow pipes on the side walls close to the upper ends.
Through adopting above-mentioned technical scheme, the overflow pipe can avoid softening water tank and pure water case and produce the overflow, and then avoids softening near water tank and the pure water case ground and produce the wet and smooth, reduces the potential safety hazard that exists.
The utility model discloses further set up to: the heating boiler is a solid electric heat storage boiler.
Through adopting above-mentioned technical scheme, solid electricity heat accumulation boiler carries out direct heat supply and saves the heat when the price of electricity is low millet, and when the price of electricity is high millet, the heat that adopts the deposit supplies heat, and then can reduce the heat supply cost.
To sum up, the utility model discloses following beneficial effect has:
1. the primary circulation pipeline and the secondary circulation pipeline exchange heat through the heat exchange assembly, the primary circulation pipeline is communicated with the heating pipeline, the secondary circulation pipeline is communicated with the outer net, the primary circulation pipeline is not communicated with the secondary circulation pipeline, heat transfer can be achieved, circulating water of the outer net can be prevented from entering the heating boiler, water scale is prevented from being generated in the pipeline in the heating boiler, and energy consumption of the heating boiler is prevented from being increased;
2. the heating boiler adopts a solid electric heat storage boiler, so that the cost required by heating can be reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the system;
FIG. 2 is a schematic view of a heat exchange assembly in an embodiment;
FIG. 3 is a schematic view of a reverse osmosis water treatment apparatus in an example.
In the figure, 1, a primary circulation pipeline; 11. a primary heating water supply pipe; 12. a primary heating water return pipe; 13. a circulation pump; 2. a secondary circulation pipeline; 21. a secondary heating water supply pipe; 22. a secondary heating water return pipe; 23. is directly communicated with a dirt separator; 3. a heat exchange assembly; 31. a corrugated tube heat exchanger; 32. a heat exchange water inlet pipe; 33. a heat exchange water outlet pipe; 4. heating a boiler; 41. heating the water inlet pipe; 42. heating the water outlet pipe; 5. a tap water pipe; 51. a reverse osmosis water treatment device; 52. a pure water tank; 521. an overflow pipe; 53. a pure water pipe; 54. an automatic water-supplementing constant-pressure degassing device; 55. an automatic water softening treatment device; 56. softening the water tank; 57. softening the water pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): an indirect heating system of electric heating energy-saving reconstruction is shown in figure 1 and comprises a primary circulation pipeline 1, a secondary circulation pipeline 2, a heat exchange assembly 3 and a heating boiler 4; the primary circulation pipeline 1 is communicated with a heating boiler 4 and a heat exchange assembly 3, and the secondary circulation pipeline 2 is communicated with the heat exchange assembly 3 and an external network; heating boiler 4 provides heat energy, primary circulating pipe 1 and secondary circulating pipe 2 carry out thermal transmission in heat exchange assembly 3 departments, thereby secondary circulating pipe 2 supplies heat with heat transfer to the outer net, at the in-process of heat transfer, the outer net circulating water only can get into in the secondary circulating pipe 2, can not get into in the primary circulating pipe 1, primary circulating pipe 1 and heating boiler 4 have independent circulating water, the event can avoid the circulating water of outer net to get into in heating boiler 4, and then prevent that the pipeline in the heating boiler 4 from producing the scaling, the heating performance of avoiding heating boiler 4 receives the influence, also can prevent the power consumption increase of heating boiler 4, accord with green energy-conserving requirement.
As shown in fig. 1, the primary circulation pipeline 1 includes a primary heating water supply pipe 11 and a primary heating water return pipe 12, both ends of the primary heating water supply pipe 11 and the primary heating water return pipe 12 are respectively connected with the heat exchange assembly 3 and the heating boiler 4, and a circulation pump 13 is fixedly arranged on the primary heating water return pipe 12; and then the heat exchange component 3 and the heating boiler 4 form a circulating heating network, and the heat energy generated by the heating boiler 4 can be transmitted to the heat exchange component 3 through the primary heating water supply pipe 11 and the primary heating water return pipe 12 for heat exchange.
As shown in fig. 1, the secondary circulation pipe 2 includes a secondary heating water supply pipe 21 and a secondary heating water return pipe 22, the circulating pump 13 is also fixedly disposed on the secondary heating water return pipe 22, two ends of the secondary heating water supply pipe 21 are respectively connected with the heat exchange component 3 and the external network water supply pipe, and two ends of the secondary heating water return pipe 22 are respectively connected with the heat exchange component 3 and the external network water return pipe; hot water after heat exchange in the heat exchange component 3 enters the outer net water supply pipe from the secondary heating water supply pipe 21, flows along the outer net water supply pipe to enter a pipeline in a building for supplying heat, flows for a circle, and enters the secondary heating water return pipe 22 along the outer net water return pipe after the temperature is reduced, and then enters the heat exchange component 3 for heat exchange, so that heat transfer is completed.
As shown in fig. 1 and 2, the heat exchange assembly 3 is formed by connecting a plurality of corrugated pipe heat exchangers 31 in parallel, each corrugated pipe heat exchanger 31 is fixedly connected with two heat exchange water inlet pipes 32 and two heat exchange water outlet pipes 33, and the two heat exchange water inlet pipes 32 are respectively communicated with the primary heating water return pipe 12 and the secondary heating water return pipe 22; the two heat exchange water outlet pipes 33 are respectively communicated with the primary heating water supply pipe 11 and the secondary heating water supply pipe 21; therefore, the circulating water of the external network and the circulating water of the heating boiler 4 can exchange heat in the corrugated tube heat exchanger 31, and the plurality of corrugated tube heat exchangers 31 can improve the heat exchange efficiency.
As shown in fig. 1, a straight-through dirt separator 23 is further fixedly arranged on the secondary heating water return pipe 22, and the straight-through dirt separator 23 can clean up the impurities brought back by the secondary heating water return pipe 22, so that the impurities are prevented from entering the corrugated pipe heat exchanger 31 along with the circulating water, and the heat exchange performance of the corrugated pipe heat exchanger 31 is not affected.
As shown in fig. 1, the heating boilers 4 are solid electric heat storage boilers, the number of the heating boilers 4 is two, and the heating boilers 4 are fixedly connected with a heating water inlet pipe 41 and a heating water outlet pipe 42; the heating water inlet pipe 41 is fixedly connected with the primary heating water supply pipe 11, and the heating water outlet pipe 42 is fixedly connected with the primary heating water return pipe 12; circulating water of the heating boiler 4 enters the heating boiler 4 for heating through the heating water inlet pipe 41, then flows out of the heating water outlet pipe 42, enters the corrugated pipe heat exchanger 31 through the primary heating water supply pipe 11 to exchange heat with circulating water of an external network, circulating water of the heating boiler 4 after heat exchange enters the heating water inlet pipe 41 through the primary heating water return pipe 12 and finally enters the heating boiler 4, and the heat exchange is realized through the reciprocating circulation; the solid electric heat accumulation boiler can utilize midnight off-peak period electric power to heat the heat accumulator to a certain temperature, and simultaneously also satisfies the heating load of off-peak period buildings, and supplies heat by the residual heat of the heated heat accumulator in the flat time period and the peak time period, thereby reducing the cost generated during heating.
As shown in fig. 1 and 3, the primary heating water return pipe 12 and the secondary heating water return pipe 22 are connected to the water supply pipe 5, so that the secondary circulation pipe 2 and the primary circulation pipe 1 can be replenished with water, and the water in the secondary circulation pipe 2 and the primary circulation pipe 1 is prevented from being insufficient, thereby allowing the secondary circulation pipe 2 and the primary circulation pipe 1 to constantly transfer heat.
As shown in fig. 1 and 3, a reverse osmosis water treatment device 51 is provided between the tap water pipe 5 and the primary heating water return pipe 12, an inlet of the reverse osmosis water treatment device 51 is connected to the tap water pipe 5, a pure water tank 52 is provided at an outlet of the reverse osmosis water treatment device 51, and the pure water tank 52 is connected to the pure water tank 52 through a pure water pipe 53; because the circulating water content in the primary circulating pipeline 1 is less, the reverse osmosis water treatment device 51 can be adopted to treat the supplemented tap water, so that the tap water can be changed into pure water to enter the primary circulating pipeline 1, and the pipeline in the heating boiler 4 cannot be influenced.
As shown in fig. 1 and 3, the outlet of the pure water tank 52 is also connected with an automatic water-supplementing constant-pressure degasifier 54 through a pure water pipe 53, the automatic water-supplementing constant-pressure degasifier 54 is connected with the primary heating water return pipe 12 through the pure water pipe 53, and the automatic water-supplementing constant-pressure degasifier 54 can supplement water according to the pressure value in the primary circulation pipeline 1, so that the pressure value in the primary circulation pipeline 1 is kept in a proper working state, and water can be supplemented automatically and timely without manual operation; fixedly connected with overflow pipe 521 on the lateral wall of pure water case 52 upper end, overflow pipe 521 and escape canal are connected, and overflow pipe 521 can avoid pure water case 52 to take place the phenomenon that overflows, and overflow pipe 521 can remove unnecessary water, avoids causing near the ground of pure water case 52 to wet and slide, reduces the potential safety hazard of existence.
As shown in fig. 1 and 3, an automatic softened water treatment device 55 is further disposed between the tap water pipe 5 and the secondary heating water return pipe 22, two automatic softened water treatment devices 55 are disposed in parallel, and a softened water tank 56 is further disposed on one side of the automatic softened water treatment device 55 close to the secondary heating water return pipe 22; the softened water tank 56 is connected with the automatic softened water treatment device 55 and the secondary heating water return pipe 22 through a softened water pipe 57, and the circulation pump 13 is also fixedly arranged on the softened water pipe 57 between the secondary heating water return pipe 22 and the softened water tank 56; an overflow pipe 521 is also fixedly connected to the softening water tank 56; because the amount of water supplement of the secondary circulating pipeline 2 is large and is in consideration of cost, the automatic softened water treatment device 55 is selected to treat the tap water, so that the cost is reduced, the softened water tank 56 can temporarily store the treated tap water, and the use in water supplement is facilitated; the circulation pump 13 can replenish the secondary circulation pipe 2 with water better.
The specific working process is as follows: in the process of heat supply, the system is divided into two circulating networks which are communicated and can exchange heat, and the circulating networks are divided into a primary circulating pipeline 1 with small circulation and a secondary circulating pipeline 2 with large circulation; the primary circulating pipeline 1 transfers the heat of the heating boiler 4 into the heat exchange assembly 3; secondary circulation pipeline 2 can carry out the heat transfer with the circulating water that makes the outer net in heat exchange assembly 3, thereby transmit the heat in to the building, thereby accomplish thermal exchange, and at the in-process of exchange, the circulating water of heating boiler 4 and the circulating water of outer net can not produce the contact, and then can avoid the circulating water of outer net to get into in the heating boiler 4, can prevent that the pipeline in the heating boiler 4 from producing the corrosion, can not receive the influence to the heating performance of heating boiler 4, the event can not lead to the increase of power consumption, accord with green energy-conserving requirement.
The circulating water flow direction of the primary circulating pipeline 1 is as follows: the hot water flowing out of the outlet of the heating boiler 4 enters the corrugated pipe heat exchanger 31 for heat exchange through the heating water outlet pipe 42, the primary heating water supply pipe 11 and one of the two heat exchange water inlet pipes 32, after the heat exchange is completed, the hot water is changed into cold water, flows out from the corresponding heat exchange water outlet pipe 33 and enters the primary heating water return pipe 12 and the heating water inlet pipe 41 to enter the heating boiler 4 for heating, when the cold water flows out from the heating water outlet pipe 42, the cold water is changed into hot water again, the circulation is carried out, and therefore the purpose of transferring the heat to the corrugated pipe heat exchanger 31 is completed.
The circulating water flow direction of the secondary circulating pipeline 2 is as follows: cold water in the outer net water return pipe enters the secondary heating water return pipe 22 and then enters the corrugated pipe heat exchanger 31 through the other one of the two heat exchange water inlet pipes 32, circulating water of the secondary circulating pipeline 2 is not contacted and fused with circulating water of the primary circulating pipeline 1, heat exchange is completed in the corrugated pipe heat exchanger 31, the circulating water of the secondary circulating pipeline 2 is changed into hot water, and accordingly the corresponding heat exchange water outlet pipe 33 flows out, then enters the outer net water supply pipe, then flows into a building, flows into the outer net water return pipe after the building circulates, and flows into the corrugated pipe heat exchanger 31 again, so that the purpose of conveying heat to the building is completed through the circulation.
Therefore, to sum up, through the cooperation of primary circulation pipeline 1, secondary circulation pipeline 2 and heat exchange assemblies 3, can realize the purpose to the building heat supply, still can not lead to the extranet circulating water to get into the pipeline of heating boiler 4 in, can not lead to the pipeline of heating boiler 4 to produce the incrustation scale, so can not increase the energy consumption of heating boiler 4.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an indirect heating system of energy-conserving transformation of electric heating which characterized in that: the method comprises the following steps: the heat exchanger comprises a primary circulating pipeline (1), a heat exchange assembly (3), a secondary circulating pipeline (2) and a heating boiler (4);
the primary circulating pipeline (1) comprises a primary heating water supply pipe (11) and a primary heating water return pipe (12), and two ends of the primary heating water supply pipe (11) and the primary heating water return pipe (12) are respectively communicated with the heat exchange component (3) and the heating boiler (4);
the secondary circulation pipeline (2) comprises a secondary heating water supply pipe (21) and a secondary heating water return pipe (22), the secondary heating water supply pipe (21) and the secondary heating water return pipe (22) are respectively communicated with the external network water supply pipe and the external network water return pipe, and the secondary heating water supply pipe (21) and the secondary heating water return pipe (22) are also communicated with the heat exchange component (3).
2. An indirect heating system of energy-saving modification of electric heating according to claim 1, wherein: the heat exchange assembly (3) is formed by connecting a plurality of corrugated tube heat exchangers (31) in parallel.
3. An indirect heating system of energy-saving modification of electric heating according to claim 1, wherein: the primary heating water return pipe (12) and the secondary heating water return pipe (22) are communicated with the tap water pipe (5).
4. An indirect heating system of energy-saving modification of electric heating according to claim 3, wherein: an automatic softened water treatment device (55) and a softened water tank (56) are further arranged between the secondary heating water return pipe (22) and the tap water pipe (5), the softened water tank (56) is connected with the secondary heating water return pipe (22) and the automatic softened water treatment device (55), and the automatic softened water treatment device (55) is connected with the tap water pipe (5).
5. An indirect heating system of energy-saving modification of electric heating according to claim 4, wherein: and a straight-through dirt separator (23) is fixedly arranged on the secondary heating water return pipe (22).
6. An indirect heating system of energy-saving modification of electric heating according to claim 4, wherein: a reverse osmosis water treatment device (51) is arranged between the primary heating water return pipe (12) and the tap water pipe (5), the reverse osmosis water treatment device (51) is connected with the tap water pipe (5), and a pure water tank (52) is arranged between the reverse osmosis water treatment device (51) and the primary heating water return pipe (12).
7. An indirect heating system of energy-saving modification of electric heating according to claim 6, wherein: an automatic water supplementing and constant pressure degassing device (54) is further arranged between the pure water tank (52) and the primary heating water return pipe (12), and a water inlet and a water outlet of the automatic water supplementing and constant pressure degassing device (54) are respectively connected with the pure water tank (52) and the primary heating water return pipe (12).
8. An indirect heating system of energy-saving modification of electric heating according to claim 6, wherein: the softening water tank (56) and the pure water tank (52) are fixedly connected with overflow pipes (521) on the side walls close to the upper ends.
9. An indirect heating system of energy-saving modification of electric heating according to claim 1, wherein: the heating boiler (4) is a solid electric heat storage boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987792.0U CN211399977U (en) | 2019-11-15 | 2019-11-15 | Indirect heating system of energy-conserving transformation of electric heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987792.0U CN211399977U (en) | 2019-11-15 | 2019-11-15 | Indirect heating system of energy-conserving transformation of electric heating |
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| Publication Number | Publication Date |
|---|---|
| CN211399977U true CN211399977U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921987792.0U Active CN211399977U (en) | 2019-11-15 | 2019-11-15 | Indirect heating system of energy-conserving transformation of electric heating |
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| CN (1) | CN211399977U (en) |
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2019
- 2019-11-15 CN CN201921987792.0U patent/CN211399977U/en active Active
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