Starting drain flash tank of supercritical boiler

Abstract

The utility model discloses a supercritical boiler starting drain flash tank which comprises a table top, and an adjustable spraying mechanism and a detachable heat dissipation assembly are installed on the table top. The adjustable spraying mechanism comprises a water tank, a first connecting pipe, a telescopic water outlet pipe, a water outlet nozzle, a base, a sewage pipe and a first control valve. According to the drainage flash tank, by installing the adjustable spraying mechanism, the water tank, the first connecting pipe, the telescopic water outlet pipe, the water outlet nozzle, the base, the sewage pipe and the first control valve of the adjustable spraying mechanism, on one hand, the drainage efficiency of the drainage flash tank can be improved, and on the other hand, the drainage recovery rate of the drainage flash tank can be improved; by installing the detachable heat dissipation assembly, the cylinder body, the heat dissipation cover, the filter screen, the heat dissipation pipe and the supporting legs, a large amount of heat generated during steam separation can be rapidly dissipated, the pressure in the cylinder body can be reduced to a certain degree, and therefore the safety of related personnel is maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of drain expansion tanks, in particular to a supercritical boiler startup drain expansion tank. Background Art

[0002] A supercritical boiler is a boiler in which the pressure of the working fluid in the boiler is above the critical point. With the development of supercritical boilers, it will be more energy-saving, emission-reducing and environmentally friendly than before. The drain expansion tank is an instrument used to separate steam and drain. The drain expansion tank expands and reduces the pressure of the drain in the pressure drain pipeline, separates steam and drain, and introduces the steam into the heat exchanger or deaerator to make full use of its thermal energy, while the drain is introduced into the drain tank and regularly sent to the water supply system.

[0003] The existing supercritical boiler startup drain expansion tank has the following disadvantages:

[0004] 1. The existing supercritical boiler startup drain expansion tank has a small amount of drain sent to the water supply system, and the drain recovery rate is low;

[0005] 2. The existing supercritical boiler startup drain expansion tank will generate a lot of heat when separating steam. When the temperature is too high, it is easy to cause excessive pressure and unnecessary impact. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a supercritical boiler startup drain expansion container.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A supercritical boiler startup drain expansion container comprises a table top, on which an adjustable spray mechanism and a detachable heat dissipation component are installed;

[0009] The adjustable spray mechanism includes a water tank, a first connecting pipe, a telescopic water outlet pipe, a water outlet nozzle, a base, a sewage pipe and a first control valve. The top of the first connecting pipe is fixedly connected to the bottom of the water tank, one end of the telescopic water outlet pipe is fixedly connected to the bottom end of the first connecting pipe, the other end of the telescopic water outlet pipe is rotatably embedded in the base, a plurality of water outlet nozzles are fixedly connected to the outer wall of the telescopic water outlet pipe, and the first control valve is installed on the sewage pipe.

[0010] Through the above scheme, the adjustable spray mechanism is installed, and the installation arrangement of its water tank, first connecting pipe, telescopic water outlet pipe, water outlet nozzle, base, sewage pipe and first control valve can improve the drainage efficiency of the drainage expansion tank on the one hand, and can improve the drainage recovery rate of the drainage expansion tank on the other hand.

[0011] Preferably, the detachable heat dissipation assembly includes a cylinder, a heat dissipation cover, a filter, a heat dissipation pipe and support legs, the two ends of the filter are slidably mounted on both sides of the inner wall of the heat dissipation cover, and the top of the heat dissipation cover is fixedly connected to one end of the heat dissipation pipe.

[0012] Through the above scheme, the detachable heat dissipation components are installed, and the installation arrangement of the cylinder, heat dissipation cover, filter, heat dissipation pipe and support legs can quickly dissipate the large amount of heat generated when separating steam, which can reduce the pressure in the cylinder to a certain extent, thereby maintaining the safety of relevant personnel.

[0013] Preferably, a water tank is placed in the middle of the top surface of the cylinder, and the outer walls of the other ends of the two heat dissipation pipes are fixedly mounted on both ends of the top surface of the cylinder.

[0014] Preferably, the tops of the two supporting legs are welded to the two ends of the bottom of the cylinder.

[0015] Preferably, a fixed cavity, a boiler, and a second connecting pipe are installed on the other side of the top of the cylinder, the bottom of the boiler is fixedly connected to the fixed cavity, and one end of the second connecting pipe is welded to the other side of the bottom of the boiler.

[0016] Preferably, the supporting legs and the bottom of the fixing cavity are respectively embedded in two sides of the surface of the table top.

[0017] The beneficial effects of the utility model are:

[0018] 1. By installing an adjustable spray mechanism, the installation arrangement of the water tank, the first connecting pipe, the telescopic water outlet pipe, the water outlet nozzle, the base, the sewage pipe and the first control valve can improve the drainage efficiency of the drainage expansion tank on the one hand, and the drainage recovery rate of the drainage expansion tank on the other hand;

[0019] 2. By installing a detachable heat dissipation component, the installation arrangement of the cylinder, heat dissipation cover, filter, heat dissipation pipe and support legs can quickly dissipate the large amount of heat generated when separating steam, which can reduce the pressure in the cylinder to a certain extent, thereby maintaining the safety of relevant personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a supercritical boiler startup drain expansion container proposed by the utility model;

[0021] Figure 2 This is a structural side view of a supercritical boiler startup drain expansion container proposed by the utility model;

[0022] Figure 3 The utility model discloses a structural schematic diagram of an adjustable spray mechanism of a supercritical boiler startup drain expansion tank.

[0023] In the figure: 1. table; 2. fixed cavity; 3. boiler; 4. second connecting pipe; 5. detachable heat dissipation component; 6. cylinder; 7. water tank; 8. first connecting pipe; 9. telescopic water outlet pipe; 10. water outlet nozzle; 11. base; 12. sewage pipe; 13. first control valve; 14. heat dissipation pipe; 15. supporting leg. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1, reference Figure 1-3 , a supercritical boiler startup drain expansion container, comprising a table 1, on which an adjustable spray mechanism and a detachable heat dissipation component 5 are installed;

[0026] The adjustable spray mechanism includes a water tank 7, a first connecting pipe 8, a telescopic water outlet pipe 9, a water outlet nozzle 10, a base 11, a sewage pipe 12 and a first control valve 13. The top of the first connecting pipe 8 is fixedly connected to the bottom of the water tank 7, one end of the telescopic water outlet pipe 9 is fixedly connected to the bottom of the first connecting pipe 8, and the other end of the telescopic water outlet pipe 9 is rotatably embedded in the base 11. A plurality of water outlet nozzles 10 are fixedly connected to the outer wall of the telescopic water outlet pipe 9. The first control valve 13 is installed on the sewage pipe 12. The adjustable spray mechanism is installed. The installation arrangement of the water tank 7, the first connecting pipe 8, the telescopic water outlet pipe 9, the water outlet nozzle 10, the base 11, the sewage pipe 12 and the first control valve 13 can improve the drainage efficiency of the drainage expansion tank on the one hand, and can improve the drainage recovery rate of the drainage expansion tank on the other hand.

[0027] Example 2, reference Figure 2 The detachable heat dissipation component 5 includes a cylinder 6, a heat dissipation cover, a filter, a heat dissipation pipe 14 and a support leg 15. The two ends of the filter are slidably installed on both sides of the inner wall of the heat dissipation cover. The top of the heat dissipation cover is fixedly connected to one end of the heat dissipation pipe 14. The detachable heat dissipation component is installed. The installation arrangement of the cylinder 6, the heat dissipation cover, the filter and the heat dissipation pipe 14 can quickly dissipate the large amount of heat generated when separating the steam, and can reduce the pressure in the cylinder 6 to a certain extent, thereby maintaining the safety of relevant personnel.

[0028] Example 3, reference Figure 2A water tank 7 is placed in the middle of the top surface of the cylinder 6, the outer walls of the other ends of the two heat dissipation pipes 14 are fixedly installed on the two ends of the top surface of the cylinder 6, the tops of the two support legs 15 are welded to the two ends of the bottom of the cylinder 6, and the other side of the top of the cylinder 6 is installed with a fixed cavity 2, a boiler 3, and a second connecting pipe 4, the bottom of the boiler 3 is fixedly connected to the fixed cavity 2, one end of the second connecting pipe 4 is welded to the other side of the bottom of the boiler 3, and the support legs 15 and the bottom of the fixed cavity 2 are respectively embedded in the two sides of the surface of the table top 1.

[0029] Working principle: By installing an adjustable spray mechanism, the installation arrangement of the water tank 7, the first connecting pipe 8, the telescopic water outlet pipe 9, the water outlet nozzle 10, the base 11, the sewage pipe 12 and the first control valve 13 can improve the water drainage efficiency of the water-draining expansion tank on the one hand, and can improve the water drainage recovery rate of the water-draining expansion tank on the other hand; by installing a detachable heat dissipation component, the installation arrangement of the cylinder 6, the heat dissipation cover, the filter, the heat dissipation pipe 14 and the support leg 15 can quickly dissipate the large amount of heat generated when separating the steam, and can reduce the pressure in the cylinder 6 to a certain extent, thereby maintaining the safety of relevant personnel.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A supercritical boiler startup drain expansion container, comprising a table (1), characterized in that: An adjustable spray mechanism and a detachable heat dissipation component (5) are installed on the table top (1); The adjustable spray mechanism comprises a water tank (7), a first connecting pipe (8), a telescopic water outlet pipe (9), a water outlet nozzle (10), a base (11), a sewage pipe (12) and a first control valve (13); the top end of the first connecting pipe (8) is fixedly connected to the bottom of the water tank (7); one end of the telescopic water outlet pipe (9) is fixedly connected to the bottom end of the first connecting pipe (8); the other end of the telescopic water outlet pipe (9) is rotatably embedded in the base (11); a plurality of water outlet nozzles (10) are fixedly connected to the outer wall of the telescopic water outlet pipe (9); and the first control valve (13) is installed on the sewage pipe (12).

2. A supercritical boiler startup drain expansion container according to claim 1, characterized in that: The detachable heat dissipation assembly (5) comprises a barrel (6), a heat dissipation cover, a filter, a heat dissipation pipe (14) and a support leg (15); the two ends of the filter are slidably mounted on both sides of the inner wall of the heat dissipation cover, and the top of the heat dissipation cover is fixedly connected to one end of the heat dissipation pipe (14).

3. A supercritical boiler startup drain expansion container according to claim 2, characterized in that: A water tank (7) is placed in the middle of the top surface of the cylinder (6), and the outer walls of the other ends of the two heat dissipation pipes (14) are fixedly mounted on both ends of the top surface of the cylinder (6).

4. A supercritical boiler startup drain expansion container according to claim 2, characterized in that: The tops of the two supporting legs (15) are welded to the two ends of the bottom of the cylinder (6).

5. A supercritical boiler startup drain expansion container according to claim 2, characterized in that: A fixed cavity (2), a boiler (3), and a second connecting pipe (4) are installed on the other side of the top of the cylinder (6); the bottom of the boiler (3) is fixedly connected to the fixed cavity (2); and one end of the second connecting pipe (4) is welded to the other side of the bottom of the boiler (3).

6. A supercritical boiler startup drain expansion container according to claim 2, characterized in that: The supporting legs (15) and the bottom of the fixing cavity (2) are respectively embedded in two sides of the surface of the table top (1).

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