Spiral finned tube economizer
By designing the control system of temperature sensors and electric three -way valves in the provincial provincial province, the cooling process of the alternation of flue gas alternation to different boxes is achieved, and the problem of increased water temperature to affect the cooling effect is improved. And energy utilization efficiency.
Patent Information
- Application Number
- CN202420954266.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-06
AI Technical Summary
When the water temperature rises, the cooling effect of the existing economizers is significantly reduced, affecting energy conservation and efficiency improvement.
Design a spiral finned tube economizer, which uses a temperature sensor to detect the temperature of the box, and controls the flue gas to enter the first box and the second box alternately through an electric three-way valve to ensure alternate cooling in turns and avoid excessive temperature in a single box High impact cooling effect.
By alternately controlling flue gas to enter different boxes, the cooling performance of the economizer is ensured to be stable, and the increase in water temperature is avoided from affecting the cooling effect, achieving more efficient energy utilization and efficiency improvement.
Smart Images
Figure CN222393396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of economizers, in particular to a spiral fin tube economizer. Background Art
[0002] Economizer is a device installed at the lower part of the flue at the rear of the boiler to recover the waste heat of the exhaust gas. It heats the boiler feed water into a heating surface of saturated water under the drum pressure. Since it absorbs the heat of the high-temperature flue gas, it reduces the exhaust temperature of the flue gas, saves energy and improves efficiency, so it is called an economizer. The steel tube economizer is not limited by pressure and can be used as a boiling type. It is generally made of carbon steel pipes with an outer diameter of 32 to 51 mm. Sometimes fins and ribs are added to the outside of the pipe to improve the heat transfer effect. The steel tube economizer consists of horizontally arranged parallel elbow pipes (commonly known as serpentine pipes).
[0003] However, in general, when the economizer is in use, when the water temperature in the fins is low, it has a significant effect on cooling the flue gas. When the water temperature is heated to a certain level, the temperature inside the economizer is high. At this time, the cooling effect on the flue gas will be affected and the cooling effect will be significantly reduced.
[0004] In summary, the utility model solves the existing problems by designing a spiral fin tube economizer. Utility Model Content
[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a clothing heat setting treatment device for clothing processing, which has the advantage of being able to alternately control the flue gas to enter the first box body and the second box body, thereby ensuring that the cooling performance of the economizer will not be affected by the water temperature inside the spiral fins.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A spiral fin tube economizer, comprising a first box body, a water inlet pipe is connected to a corner at one end of the bottom of the outer side surface of the first box body, a drain pipe is connected to a corner at one end of the top of the outer side surface of the first box body, a second box body is installed on the top of the first box body, a smoke inlet pipe is connected to one side surface of the first box body, a first electric three-way valve is sleeved and installed on the outer annular surface of the smoke inlet pipe, a shunt pipe is connected to the top of the first electric three-way valve, spiral fins are installed inside the first box body, and a temperature sensor is installed on the inner wall of the first box body;
[0008] A smoke exhaust pipe is connected to the other side of the first box body, a second electric three-way valve is mounted on the outer ring surface of the smoke exhaust pipe, a split smoke outlet pipe is connected to the top of the second electric three-way valve, a connecting cover is installed at one end of the smoke exhaust pipe, a fan is clamped on one end of the inner side surface of the connecting cover, and a filter is installed at the end of the inner side surface of the connecting cover away from the fan.
[0009] As a preferred solution of the utility model, the top of the first box body and the bottom of the second box body are connected and fixed by bolts, and the internal structure of the second box body is the same as the internal structure of the first box body, and both are equipped with spiral fins and temperature sensors. The outer surface of the second box body is also connected to a water inlet pipe and a drain pipe at the same position as the first box body.
[0010] As a preferred solution of the utility model, one side surface of the second box body is connected to one end of the split smoke outlet pipe, and one end of the split smoke outlet pipe is connected to the inside of the smoke exhaust pipe through a second electric three-way valve.
[0011] As a preferred solution of the utility model, the first electric three-way valve and the temperature sensor are controlled in linkage. When the temperature sensor detects that the temperature inside the first box is normal, the first electric three-way valve controls the smoke inlet pipe to be connected with the interior of the first box. When the temperature sensor detects that the temperature inside the first box is too high, the first electric three-way valve controls the smoke inlet pipe to be connected with the diversion pipe.
[0012] As a preferred solution of the utility model, when the diversion pipe and the smoke inlet pipe are in communication with each other, the second electric three-way valve controls the diversion smoke outlet pipe to communicate with the smoke exhaust pipe, and when the temperature inside the second box is too high, the first electric three-way valve and the second electric three-way valve are both in a closed state.
[0013] As a preferred solution of the utility model, a plurality of threaded holes are evenly opened on the outer ring surface of one end of the connection cover, and the connection cover is threadedly connected to the threaded holes by bolts to clamp it on one end of the smoke exhaust pipe.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. In the utility model, a spiral fin tube economizer is designed, and a temperature sensor is used to detect the temperature of the first box and the second box. When the temperature of either box exceeds the set temperature value, the flue gas is discharged into the interior of the other box under the control of the first electric three-way valve and the second electric three-way valve for cooling, so that the first box and the second box can cool the flue gas alternately, ensuring that the cooling performance of the economizer will not be affected by the water temperature inside the spiral fins. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the internal structure of the first box of the utility model;
[0018] Figure 3 This is an expanded view of the connection cover structure of the utility model.
[0019] In the figure: 1. first box body; 2. water inlet pipe; 3. drain pipe; 4. second box body; 5. smoke inlet pipe; 6. first electric three-way valve; 7. diverter pipe; 8. smoke exhaust pipe; 9. second electric three-way valve; 10. diverter smoke outlet pipe; 11. connecting cover; 12. fan; 13. filter screen; 14. spiral fins; 15. temperature sensor. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.
[0024] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0025] A spiral fin tube economizer, comprising a first box body 1, a water inlet pipe 2 is connected to a corner at one end of the bottom of the outer side surface of the first box body 1, a drain pipe 3 is connected to a corner at one end of the top of the outer side surface of the first box body 1, a second box body 4 is installed on the top of the first box body 1, a smoke inlet pipe 5 is connected to one side surface of the first box body 1, a first electric three-way valve 6 is sleeved and installed on the outer annular surface of the smoke inlet pipe 5, a diverter pipe 7 is connected to the top of the first electric three-way valve 6, a spiral fin 14 is installed inside the first box body 1, and a temperature sensor 15 is installed on the inner wall of the first box body 1;
[0026] A smoke exhaust pipe 8 is connected to the other side of the first box body 1, and a second electric three-way valve 9 is mounted on the outer ring surface of the smoke exhaust pipe 8. A smoke diversion pipe 10 is connected to the top of the second electric three-way valve 9. A connecting cover 11 is installed at one end of the smoke exhaust pipe 8, a fan 12 is clamped on one end of the inner side surface of the connecting cover 11, and a filter screen 13 is installed at the end of the inner side surface of the connecting cover 11 away from the fan 12.
[0027] For example, please refer to Figure 1 and Figure 2 The top of the first box body 1 and the bottom of the second box body 4 are connected and fixed by bolts, and the internal structure of the protected second box body 4 is the same as that of the first box body 1, and spiral ribs 14 and temperature sensors 15 are installed. The outer surface of the second box body 4 is also connected with a water inlet pipe 2 and a drain pipe 3 at the same position as the first box body 1. One side of the second box body 4 is connected to one end of the split smoke outlet pipe 10, and one end of the split smoke outlet pipe 10 is communicated with the interior of the smoke exhaust pipe 8 through the second electric three-way valve 9. The first electric three-way valve 6 and the temperature sensor 15 are controlled in linkage. When the temperature sensor 15 detects that the internal temperature of the first box body 1 is normal, the first electric three-way valve 6 controls the smoke inlet pipe 5 to communicate with the interior of the first box body 1. When the temperature sensor 15 detects that the internal temperature of the first box body 1 is too high, the first electric three-way valve 6 controls the smoke inlet pipe 5 to communicate with the split pipe 7.
[0028] For example, please refer to Figure 1 and Figure 2 When the shunt pipe 7 and the smoke inlet pipe 5 are in communication with each other, the second electric three-way valve 9 controls the shunt smoke outlet pipe 10 to communicate with the smoke exhaust pipe 8, and when the temperature inside the second box 4 is too high, the first electric three-way valve 6 and the second electric three-way valve 9 are both in a closed state. At this time, the smoke inlet pipe 5 and the smoke exhaust pipe 8 are simultaneously communicated with the inside of the first box 1. At the same time, when the temperature inside the first box 1 and the second box 4 is too high, the corresponding external water inlet pipe 2 starts to take in water, and the drain pipe 3 starts to discharge hot water, until the hot water inside the box is completely discharged and replaced by cold water, and then the smoke is automatically discharged again.
[0029] The working process of the utility model is as follows: using a spiral fin tube economizer designed by the present invention, when the smoke enters the smoke inlet pipe 5, the smoke will first be discharged into the first box body 1, and after being cooled by the cold water in the spiral fins 14 inside the first box body 1, it will be discharged through the smoke exhaust pipe 8. When the water temperature in the spiral fins 14 inside the first box body 1 is heated to a certain degree, the temperature sensor 15 will detect that the temperature is relatively high. At this time, the first electric three-way valve 6 connects the smoke inlet pipe 5 with the diverter pipe 7, and at the same time, the second electric three-way valve 9 controls the diverter smoke outlet pipe 10 to connect with the inside of the smoke exhaust pipe 8. At this time, the smoke enters the second box body 4 for heat dissipation, and the hot water inside the first box body 1 is discharged and the cold water is input. After the temperature drops, the first electric three-way valve 6 and the second electric three-way valve 9 control the smoke to enter the first box body 1 again for cooling. After the above process is circulated, the first box body 1 and the second box body 4 can cool the smoke alternately, thereby ensuring that the cooling performance of the economizer will not be affected by the water temperature inside the spiral fins 14.
[0030] In summary, the device is configured to alternately control the flue gas to enter the first box body and the second box body, thereby ensuring that the cooling performance of the economizer will not be affected by the water temperature inside the spiral fins.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A spiral fin tube economizer, comprising a first box (1), characterized in that: A water inlet pipe (2) is connected to a corner at the bottom end of the outer side surface of the first box body (1); a drain pipe (3) is connected to a corner at the top end of the outer side surface of the first box body (1); a second box body (4) is installed on the top of the first box body (1); a smoke inlet pipe (5) is connected to one side surface of the first box body (1); a first electric three-way valve (6) is sleeved and installed on the outer annular surface of the smoke inlet pipe (5); a diverter pipe (7) is connected to the top of the first electric three-way valve (6); a spiral fin (14) is installed inside the first box body (1); and a temperature sensor (15) is installed on the inner wall of the first box body (1); A smoke exhaust pipe (8) is connected to the other side of the first housing (1); a second electric three-way valve (9) is sleeved and installed on the outer ring surface of the smoke exhaust pipe (8); a split smoke outlet pipe (10) is connected to the top of the second electric three-way valve (9); a connecting cover (11) is installed at one end of the smoke exhaust pipe (8); a fan (12) is clamped on one end of the inner side of the connecting cover (11); and a filter (13) is installed at the end of the inner side of the connecting cover (11) away from the fan (12).
2. A spiral fin tube economizer according to claim 1, characterized in that: The top of the first box body (1) and the bottom of the second box body (4) are connected and fixed by bolts, and the internal structure of the second box body (4) is the same as that of the first box body (1), and both are equipped with spiral fins (14) and a temperature sensor (15). The outer surface of the second box body (4) is also connected to a water inlet pipe (2) and a drain pipe (3) at the same position as the first box body (1).
3. The spiral fin tube economizer according to claim 1, characterized in that: One side surface of the second box body (4) is connected to one end of the split smoke outlet pipe (10), and one end of the split smoke outlet pipe (10) is connected to the interior of the smoke exhaust pipe (8) through a second electric three-way valve (9).
4. The spiral fin tube economizer according to claim 1, characterized in that: The first electric three-way valve (6) and the temperature sensor (15) are controlled in linkage. When the temperature sensor (15) detects that the internal temperature of the first box (1) is normal, the first electric three-way valve (6) controls the smoke inlet pipe (5) to communicate with the interior of the first box (1). When the temperature sensor (15) detects that the internal temperature of the first box (1) is too high, the first electric three-way valve (6) controls the smoke inlet pipe (5) to communicate with the diversion pipe (7).
5. The spiral fin tube economizer according to claim 1, characterized in that: When the diverter pipe (7) and the smoke inlet pipe (5) are in communication with each other, the second electric three-way valve (9) controls the diverter smoke outlet pipe (10) to communicate with the smoke exhaust pipe (8), and when the internal temperature of the second box body (4) is too high, the first electric three-way valve (6) and the second electric three-way valve (9) are both in a closed state.
6. The spiral fin tube economizer according to claim 1, characterized in that: A plurality of threaded holes are evenly arranged on the outer ring surface of one end of the connection cover (11), and the connection cover (11) is threadedly connected to the threaded holes by bolts to clamp it on one end of the smoke exhaust pipe (8).