CN213893792U - Sewage discharge structure of thermocline water storage tank - Google Patents
Sewage discharge structure of thermocline water storage tank Download PDFInfo
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- CN213893792U CN213893792U CN202023056941.7U CN202023056941U CN213893792U CN 213893792 U CN213893792 U CN 213893792U CN 202023056941 U CN202023056941 U CN 202023056941U CN 213893792 U CN213893792 U CN 213893792U
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Abstract
The invention relates to the field of drainage of an inclined temperature layer water storage tank, in particular to a sewage discharging structure of the inclined temperature layer water storage tank, aiming at solving the problems that water is easy to deposit and accumulate more impurities in long-time heat exchange at the bottom of the inclined temperature layer water storage tank to influence the heat storage efficiency of the inclined temperature layer water storage tank and the stable operation of the whole system, an internal sewage discharging pipe 1 is arranged inside the inclined temperature layer water storage tank, one end of the internal sewage discharging pipe faces to the bottom of the inclined temperature layer water storage tank, and an expanding opening is arranged at the end; the other end of the internal blow-off pipe is connected with one end of the expansion joint I after penetrating through the side wall of the thermocline water storage tank; the other end of the first expansion joint is connected with one end of an external sewage discharge pipe; the other end and the blowdown valve of outside blow off pipe are connected, and the blowdown structure relies on the static pressure effect of working medium water in the thermocline water storage tank to discharge the jar body such as the impurity mud of tank bottoms.
Description
Technical Field
The invention relates to the field of drainage of a thermocline water storage tank, in particular to a sewage discharge structure of the thermocline water storage tank.
Background
Due to the rigid requirement of winter heating in northern areas, abundant clean energy such as solar energy, wind energy and the like in northern areas cannot be effectively utilized, and meanwhile, in view of the existence of the phenomenon of surplus electric energy for a long time, the national policy encourages that a power plant can realize flexible peak shaving, and the requirements of high energy capacity when the heat supply load is high and low energy capacity when the power supply load is low are provided. The power plant has the characteristics of large power supply capacity when the heat supply capacity is high and low heat supply capacity when the power supply capacity is small, and is contradictory to actual requirements. Thermoelectric decoupling can be realized to thermocline water storage tank, can effectively solve this problem. The blowdown structure is an important part of the thermocline water storage tank, directly influences the operation and the service life of the thermocline water storage tank, and influences the cost of the heat storage tank. The sewage draining device is simple in structure, low in cost and widely applied. The inclined temperature layer water storage tank heats cold water in a single tank, hot water enters the top of the heat storage tank and uniformly flows into the upper part of the storage tank through the water distributor, the cold water at the bottom slowly flows out through the water collector at the bottom, the inclined temperature layer slowly moves downwards under the action of gravity, and the heat storage is stopped after the inclined temperature layer water storage tank reaches the bottom of the storage tank. The power plant can supply water nearby, but water is easy to deposit and accumulate more impurities in long-time cold and heat exchange to influence the heat storage efficiency of the thermocline water storage tank and the stable operation of the whole system.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems that water is easy to deposit and accumulate more impurities in long-time cold and heat exchange at the bottom of an inclined temperature layer water storage tank to influence the heat storage efficiency of the inclined temperature layer water storage tank and the stable operation of the whole system, the invention provides a sewage discharge structure of the inclined temperature layer water storage tank.
The invention is implemented by the following embodiments: a sewage discharge structure of an inclined temperature layer water storage tank comprises an internal sewage discharge pipe, an expansion joint I, an external sewage discharge pipe and a sewage discharge valve I;
the inner blow-off pipe is arranged inside the thermocline water storage tank, one end of the inner blow-off pipe faces to the bottom of the thermocline water storage tank, and an expanding opening is formed in the end; the other end of the internal blow-off pipe is connected with one end of the expansion joint I after penetrating through the side wall of the thermocline water storage tank; the other end of the first expansion joint is connected with one end of an external sewage discharge pipe; the other end of the external blow-off pipe is connected with a blow-off valve I.
Further, the pipe diameters of the inner sewage draining pipe and the outer sewage draining pipe are the same.
Furthermore, the inner sewage discharge pipe comprises a first straight pipe, a second straight pipe and a first bent pipe;
the first straight pipe is vertically arranged; the flaring sets up in the bottom of first straight tube, and the top of first straight tube is connected with the one end of second straight tube through first return bend, the second straight tube level sets up, and the other end of second straight tube is connected with the one end of expansion joint one after passing the thermocline water storage tank lateral wall.
Further, the second straight pipe is connected with the tank wall of the thermocline water storage tank in a welding mode.
And furthermore, the welding allowance of the second straight pipe and the tank wall of the thermocline water storage tank is more than or equal to the minimum wall thickness of the tank wall of the thermocline water storage tank.
Further, the blowdown structure still includes insulation construction, insulation construction sets up in the outside of thermocline water storage tank, and insulation construction suit is in the outside of expansion joint one, outside blow off pipe and blowdown valve one.
Still further, the insulation structure is provided with a bracket extending towards the central axis direction thereof.
Further, the sewage draining structure further comprises an expansion joint II; the second expansion joint is arranged on the external sewage draining pipe.
Furthermore, the external sewage discharge pipe comprises a third straight pipe, a fourth straight pipe, a fifth straight pipe and a second bent pipe;
one end of the third straight pipe is connected with the expansion joint, the other end of the third straight pipe is connected with the top of the fourth straight pipe through the second bent pipe, the bottom of the fourth straight pipe is connected with the top of the second expansion joint, the bottom of the second expansion joint is connected with the top of the fifth straight pipe, and the bottom of the fifth straight pipe is connected with the top of the first sewage discharge valve.
Furthermore, a second sewage discharge valve is connected below the first sewage discharge valve.
Has the advantages that: 1. the sewage discharge structure has small mass and simple fixation, and can realize safe, stable and reliable work; 2. the structure is simple, the material consumption is low, the processing is easy, and the manufacturing cost is low; 3. the installation is convenient; 4. the main components are standard components, so that the standardization degree is high, and the replaceability is strong; 5. can be used in northeast outdoor cold areas; 6. the interference of the thermal displacement of the pipeline during the sewage discharge of the thermal working medium can be eliminated.
Drawings
Fig. 1 is a first schematic diagram of the present invention;
fig. 2 is a second schematic diagram of the present invention.
Detailed Description
The first embodiment is as follows: a sewage draining structure of an inclined temperature layer water storage tank comprises an inner sewage draining pipe 1, an expansion joint I3, an outer sewage draining pipe 4 and a sewage draining valve I5;
the inner blow-off pipe 1 is arranged inside the thermocline water storage tank, one end of the inner blow-off pipe 1 faces to the bottom of the thermocline water storage tank, and the end is provided with a flaring 2; the other end of the inner blow-off pipe 1 is connected with one end of the expansion joint I3 after penetrating through the side wall of the thermocline water storage tank; the other end of the expansion joint I3 is connected with one end of an external sewage discharge pipe 4; the other end of the external sewage draining pipe 4 is connected with a first sewage draining valve 5.
The second embodiment is as follows: the pipe diameters of the inner sewage draining pipe 1 and the outer sewage draining pipe 4 are the same.
The third concrete implementation mode: the internal sewage draining pipe 1 comprises a first straight pipe 1-1, a second straight pipe 1-2 and a first bent pipe 1-3;
the first straight pipe 1-1 is vertically arranged; the flaring 2 is arranged at the bottom of the first straight pipe 1-1, the top of the first straight pipe 1-1 is connected with one end of the second straight pipe 1-2 through the first bent pipe 1-3, the second straight pipe 1-2 is horizontally arranged, and the other end of the second straight pipe 1-2 penetrates through the side wall of the water storage tank of the inclined temperature layer and then is connected with one end of the expansion joint I3.
The fourth concrete implementation mode: and the second straight pipe 1-2 is welded with the tank wall of the thermocline water storage tank.
The fifth concrete implementation mode: and the welding allowance of the second straight pipe 1-2 and the tank wall of the thermocline water storage tank is more than or equal to the minimum wall thickness of the tank wall of the thermocline water storage tank.
The sixth specific implementation mode: the sewage draining structure further comprises an insulation structure 8, the insulation structure 8 is arranged on the outer side of the inclined temperature layer water storage tank, and the insulation structure 8 is sleeved outside the expansion joint I3, the external sewage draining pipe 4 and the sewage draining valve I5.
The seventh embodiment: the heat insulation structure 8 is provided with a bracket extending towards the central axis direction thereof.
The specific implementation mode is eight: the sewage draining structure further comprises a second expansion joint 6; the second expansion joint 6 is arranged on the outer sewage draining pipe 4.
The specific implementation method nine: the external sewage discharge pipe 4 comprises a third straight pipe 4-1, a fourth straight pipe 4-2, a fifth straight pipe 4-3 and a second bent pipe 4-4;
one end of the third straight pipe 4-1 is connected with the expansion joint I3, the other end of the third straight pipe 4-1 is connected with the top of the fourth straight pipe 4-2 through the second bent pipe 4-4, the bottom of the fourth straight pipe 4-2 is connected with the top of the expansion joint II 6, the bottom of the expansion joint II 6 is connected with the top of the fifth straight pipe 4-3, and the bottom of the fifth straight pipe 4-3 is connected with the top of the blow-down valve I5.
The detailed implementation mode is ten: and a second sewage draining valve 7 is connected below the first sewage draining valve 5.
The working principle is as follows: all parts are made of the same material, have the same caliber and have the same nominal pressure. The sewage discharge structure discharges impurity sludge and the like at the bottom of the tank out of the tank body by virtue of the static pressure action of working medium water in the thermocline water storage tank, the internal sewage discharge pipe is fixedly welded with the inner wall and the outer wall of the thermocline water storage tank, the distance between the lower end surface of the flaring 1 and the bottom of the tank is very small, and the specific distance is designed according to the actual condition; the welding allowance is not less than the minimum wall thickness and is the same inside and outside; the inner part of the pipe of the sewage discharge structure is subjected to corrosion prevention work according to water quality; the selection of the first sewage discharge valve and the second sewage discharge valve refers to the standard GB/T26145-.
The user discharges the dirt of discharging to appointed place with the pipeline according to actual conditions, and insulation material and the insulation material thickness in the insulation construction can be selected according to relevant standard, can increase the heat preservation backplate outside insulation material and protect, mould the type, also can increase the pleasing to the eye degree of structure.
The thermocline water storage tank is a novel water storage tank, cold water and hot water can be stored in the storage tank for a long time, the cold water is arranged at the lower part, the hot water is arranged at the upper part, and a relatively thin thermocline is arranged between the cold water and the hot water. Due to the fact that the water storage tank of the thermocline is used under different working conditions, the three conditions of most cold water, part hot water and most hot water in the water storage tank are achieved. The sewage discharge structure of the inclined temperature layer water storage tank is designed according to the condition, the structure meets the sewage discharge requirement under all working conditions of the inclined temperature layer storage tank, the displacement influence of expansion caused by heat and contraction caused by cold of the pipeline can be eliminated by the expansion joint I and the expansion joint II when hot water is discharged, and the expansion joint I and the expansion joint II can be selected according to the user requirement and relevant standards. When the second blowoff valve leaks, the first blowoff valve is started to replace the second blowoff valve, and the second blowoff valve is normally opened; and the second blowoff valve can be replaced when the system is not used, so that the service life of the system is prolonged. The heat preservation structure can enable the system to be normally used in cold regions in winter, and electric tracing heat can be added according to the actual requirements of users and put into the heat preservation to improve the heat preservation effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make modifications or changes to the above embodiment without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a blowdown structure of thermocline water storage tank which characterized in that: the sewage treatment device comprises an internal sewage discharge pipe (1), an expansion joint I (3), an external sewage discharge pipe (4) and a sewage discharge valve I (5);
the inner blow-off pipe (1) is arranged inside the thermocline water storage tank, one end of the inner blow-off pipe (1) faces to the bottom of the thermocline water storage tank, and a flared opening (2) is formed in the end; the other end of the inner blow-off pipe (1) is connected with one end of the expansion joint I (3) after penetrating through the side wall of the thermocline water storage tank; the other end of the first expansion joint (3) is connected with one end of an external sewage discharge pipe (4); the other end of the external blow-off pipe (4) is connected with a blow-off valve I (5).
2. The sewage draining structure of the thermocline water storage tank as claimed in claim 1, wherein: the pipe diameters of the inner sewage draining pipe (1) and the outer sewage draining pipe (4) are the same.
3. The sewage draining structure of the thermocline water storage tank as claimed in claim 1, wherein: the inner sewage discharge pipe (1) comprises a first straight pipe (1-1), a second straight pipe (1-2) and a first bent pipe (1-3);
the first straight pipe (1-1) is vertically arranged; the flaring (2) is arranged at the bottom of the first straight pipe (1-1), the top of the first straight pipe (1-1) is connected with one end of the second straight pipe (1-2) through the first bent pipe (1-3), the second straight pipe (1-2) is horizontally arranged, and the other end of the second straight pipe (1-2) penetrates through the side wall of the thermocline water storage tank and then is connected with one end of the expansion joint I (3).
4. A drainage structure of a thermocline water storage tank according to claim 3, characterized in that: and the second straight pipe (1-2) is welded with the tank wall of the thermocline water storage tank.
5. The sewage draining structure of the thermocline water storage tank as claimed in claim 4, wherein: and the welding allowance of the second straight pipe (1-2) and the tank wall of the thermocline water storage tank is more than or equal to the minimum wall thickness of the tank wall of the thermocline water storage tank.
6. The sewage draining structure of the thermocline water storage tank as claimed in claim 1, wherein: the sewage draining structure further comprises an insulation structure (8), the insulation structure (8) is arranged on the outer side of the inclined temperature layer water storage tank, and the insulation structure (8) is sleeved outside the expansion joint I (3), the external sewage draining pipe (4) and the sewage draining valve I (5).
7. The sewage draining structure of the thermocline water storage tank as claimed in claim 6, wherein: the heat insulation structure (8) is provided with a bracket extending towards the central axis direction thereof.
8. The sewage draining structure of the thermocline water storage tank as claimed in claim 1, wherein: the sewage draining structure further comprises a second expansion joint (6); the second expansion joint (6) is arranged on the external sewage draining pipe (4).
9. The sewage draining structure of the thermocline water storage tank as claimed in claim 8, wherein: the external sewage discharge pipe (4) comprises a third straight pipe (4-1), a fourth straight pipe (4-2), a fifth straight pipe (4-3) and a second bent pipe (4-4);
one end of the third straight pipe (4-1) is connected with the first expansion joint (3), the other end of the third straight pipe (4-1) is connected with the top of the fourth straight pipe (4-2) through the second bent pipe (4-4), the bottom of the fourth straight pipe (4-2) is connected with the top of the second expansion joint (6), the bottom of the second expansion joint (6) is connected with the top of the fifth straight pipe (4-3), and the bottom of the fifth straight pipe (4-3) is connected with the top of the first blow-off valve (5).
10. The sewage draining structure of the thermocline water storage tank as claimed in claim 1, wherein: and a second sewage draining valve (7) is connected below the first sewage draining valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056941.7U CN213893792U (en) | 2020-12-16 | 2020-12-16 | Sewage discharge structure of thermocline water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056941.7U CN213893792U (en) | 2020-12-16 | 2020-12-16 | Sewage discharge structure of thermocline water storage tank |
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| Publication Number | Publication Date |
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| CN213893792U true CN213893792U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023056941.7U Active CN213893792U (en) | 2020-12-16 | 2020-12-16 | Sewage discharge structure of thermocline water storage tank |
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| CN (1) | CN213893792U (en) |
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- 2020-12-16 CN CN202023056941.7U patent/CN213893792U/en active Active
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