Tubular steam heater

Abstract

The utility model discloses a tubular steam heater, and belongs to the field of tubular steam generators. The tubular steam heater comprises a shell, a heating tank fixedly arranged in the shell, a heater fixedly arranged in the heating tank and a finned tube fixedly arranged on the outer side of the heater. The heating tank is arranged in the shell, the preheating tank is arranged on one side of the shell and communicated with the interior of the heating tank, the two ends of the output pipe are communicated with the interior of the shell and the interior of the preheating tank respectively, and the stirring assembly is arranged at the end, located in the preheating tank, of the output pipe. The stirring assembly comprises a mounting plate and a rotating shaft, the mounting plate is fixedly arranged at the end, close to the interior of the preheating tank, of the output pipe, and the rotating shaft is fixedly arranged at the bottom of the mounting plate. And more efficient heat conduction is realized.

Description

Technical Field

[0001] The utility model relates to the field of cross-flow type steam generators, in particular to a cross-flow type steam heater. Background Art

[0002] A cross-flow steam generator is a steam equipment with a cross-flow structure in which water passes through the condenser to absorb the flue gas temperature, then enters the lower header of the furnace, absorbs heat through the finned tubes and vaporizes into steam, is filtered through the cross-flow compartment of the upper header, and the water vapor is separated. The saturated steam is produced and then flows down into the cross-flow tube.

[0003] During use of the existing cross-flow steam generators on the market, it is found that the steam from the evaporator burner is output from the upper end, and the steam after combustion is discharged from one side of the evaporator. The high-temperature steam preheating is large, and direct discharge is likely to cause waste of resources and low energy utilization. It is difficult for the existing technology to evenly input the generated uniform steam into the preheating tank for recycling. At the same time, it is difficult for the existing technology to adjust the degree of separation of gas and liquid to achieve a more detailed separation.

[0004] Therefore, the utility model provides a cross-flow steam heater to solve the above problems. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a cross-flow steam heater, aiming to solve the problems raised in the background technology that in the existing cross-flow steam generator, it is found that the steam of the evaporator burner is output from the upper end during use, the steam after combustion is discharged from one side of the evaporator, the high-temperature steam preheating is large, direct discharge is easy to cause waste of resources, low energy utilization rate, and the prior art is difficult to evenly input the generated uniform steam into the preheating tank for recycling.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cross-flow steam heater, comprising a shell, a heating tank fixedly arranged inside the shell, a heater fixedly arranged inside the heating tank, finned tubes fixedly arranged outside the heater, a preheating tank arranged on one side of the shell and connected with the interior of the heating tank, and an output pipe with two ends connected with the shell and the interior of the preheating tank; when in use, water is first introduced from the water inlet pipe on the preheating tank, and the water flows through the water inlet pipe into the preheating tank for preheating. After the preheating is completed, the preheated water is input into the heating tank through the input pipe, and the water is heated by utilizing the heater inside the heating tank, wherein the finned tubes have the effect of heat conduction, which facilitates the rapid increase of the water temperature inside the heating tank, and the heat steam generated by the heating is separated through the gas-liquid separation box on the top, and the separated hot gas enters the preheating tank through the output pipe to preheat the water inside the preheating tank, thereby achieving the entire circulation process and improving the utilization rate of heat.

[0009] In order to achieve uniform heat transfer; the cross-flow steam heater also includes a stirring assembly arranged at one end of the output pipe located inside the preheating tank, the stirring assembly includes a mounting plate fixedly arranged at one end of the output pipe close to the inside of the preheating tank, a rotating shaft fixedly arranged at the bottom of the mounting plate, a rotating blade rotatably connected to the rotating shaft, a connecting plate fixedly installed on the rotating blade, and an outer blade fixedly arranged at one end of the connecting plate away from the rotating blade and located outside the output pipe for heat circulation; when the hot gas is transmitted to the inside of the preheating tank through the output pipe, in order to avoid the hot gas being concentrated at the outlet of the output pipe and difficult to evenly penetrate into the inside of the preheating tank, the heat can be evenly transmitted by the stirring assembly. When the heat is transmitted, an airflow will be generated at the port of the output pipe through the opening on the mounting plate to drive the rotating blade to rotate along the rotating shaft. Since the rotating blade is made of aluminum, it is easy to achieve the effect of rapid heat transfer, thereby achieving uniform outflow of heat from the inside of the output pipe, and then driving the outer blade to rotate through the connecting plate to achieve stirring and mixing of the heat inside the preheating tank, and achieving the effect of rapid heat entry into the inside of the preheating tank, thereby completing the entire heat cycle.

[0010] Preferably, in order to achieve reasonable separation of gas and liquid, the cross-flow steam heater also includes a gas-liquid separation box fixedly installed on the top of the shell for separating gas and liquid, an adjusting component arranged inside the gas-liquid separation box for adjusting the degree of gas-liquid separation, and an input pipe fixedly arranged between the preheating tank and the heating tank; when the steam manhole cover has a gas-liquid separation box, in order to adjust the degree of separation of gas and liquid and achieve a more detailed separation, it can be adjusted through the adjusting component.

[0011] Preferably, in order to achieve rapid water intake and exhaust, a water inlet pipe is fixedly installed on the side of the preheating tank away from the heating tank, and an exhaust pipe is fixedly arranged on the top of the preheating tank; water can be taken in through the water inlet pipe, and the exhaust pipe can be used to discharge the last used gas after the machine is used.

[0012] Preferably, in order to achieve opening and closing adjustment of the output pipe, a first valve is fixedly installed on the output pipe, which can be achieved by opening and closing the first valve.

[0013] Preferably, in order to adjust the opening and closing of the input pipe, a second valve is fixedly installed on the input pipe, which can be achieved by opening and closing the second valve.

[0014] Preferably, in order to achieve reasonable adjustment of the degree of gas-liquid separation; the adjustment component includes a rotating groove provided on the inner wall of the gas-liquid separation box, a first filter plate rotatably arranged in the rotating groove, a second filter plate fixedly arranged on the gas-liquid separation box and located on the first filter plate, a connecting shaft arranged at the bottom of the first filter plate, and a servo motor fixedly arranged on the top of the heater and connected to the connecting shaft; first turn on the servo motor to drive the connecting shaft to rotate, and then drive the second filter plate to rotate, so that the size of the gap between the second filter plate and the first filter plate is adjusted, thereby achieving the effect of adjusting the gas holes, which is convenient for more detailed gas-liquid separation. The cross-flow steam heater accelerates the mixing of the gas inside the preheating tank during the gas circulation output process by setting a stirring component, thereby achieving more efficient heat conduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a cross-flow steam heater;

[0016] Figure 2 It is a schematic diagram of the structure of part of a cross-flow steam heater;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of a cross-flow steam heater;

[0018] Figure 4 It is a schematic diagram of the structure of a stirring assembly of a cross-flow steam heater;

[0019] Figure 5 The present invention is a schematic diagram of the structure of a regulating component of a cross-flow steam heater.

[0020] In the figure:

[0021] 1. Shell;

[0022] 2. Heating tank; 21. Fin tube; 22. Heater;

[0023] 3. Preheating tank; 31. Water inlet pipe; 32. Exhaust pipe;

[0024] 4. Gas-liquid separation box;

[0025] 5. output pipe; 51. first valve;

[0026] 6. stirring assembly; 61. mounting plate; 62. rotating blades; 63. connecting plate; 64. rotating shaft; 65. outer blades;

[0027] 7. Adjustment assembly; 71. Rotation slot; 72. First filter plate; 73. Second filter plate; 74. Connecting shaft; 75. Servo motor;

[0028] 8. Inlet pipe; 81. Second valve. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides a cross-flow steam heater, such as Figure 1-5 As shown, the cross-flow steam heater includes a shell 1, a heating tank 2 fixedly arranged inside the shell 1, a heater 22 fixedly arranged inside the heating tank 2, a fin tube 21 fixedly arranged outside the heater 22, a preheating tank 3 arranged on one side of the shell 1 and connected to the interior of the heating tank 2, and an output pipe 5 whose two ends are connected to the shell 1 and the interior of the preheating tank 3. The cross-flow steam heater also includes a stirring assembly 6 arranged at one end of the output pipe 5 located inside the preheating tank 3. The stirring assembly 6 includes a mounting plate 61 fixedly arranged at one end of the output pipe 5 close to the interior of the preheating tank 3, a rotating shaft 64 fixedly arranged at the bottom of the mounting plate 61, a rotating blade 62 rotatably connected to the rotating shaft 64, a connecting plate 63 fixedly arranged on the rotating blade 62, and an outer blade 65 fixedly arranged at one end of the connecting plate 63 away from the rotating blade 62 and located outside the output pipe 5 for heat circulation.

[0031] When in use, water is first introduced from the water inlet pipe 31 on the preheating tank 3, and the water flows through the water inlet pipe 31 into the preheating tank 3 for preheating. After preheating, the preheated water is input into the heating tank 2 through the input pipe 8, and the water is heated by the heater 22 inside the heating tank 2, wherein the finned tube 21 plays a role in heat conduction, so that the water temperature inside the heating tank 2 is quickly increased, and the heat steam generated by the heating is separated through the gas-liquid separation box 4 at the top, and the separated hot gas enters the preheating tank 3 through the output pipe 5 to preheat the water inside the preheating tank 3, thereby achieving the whole cycle process, improving the utilization rate of heat, and when the hot gas is transmitted through the output pipe 5 When it reaches the inside of the preheating tank 3, in order to prevent the hot air from being concentrated at the outlet of the output pipe 5 and being difficult to evenly penetrate into the inside of the preheating tank 3, the heat can be evenly transferred through the stirring component 6. When the heat is transmitted, an air flow will be generated at the port of the output pipe 5 through the opening on the mounting plate 61 to drive the rotating blades 62 to rotate along the rotating shaft 64. Since the rotating blades 62 are made of aluminum, it is convenient to achieve the effect of rapid heat transfer, thereby achieving uniform outflow of heat from the inside of the output pipe 5, and then driving the outer blades 65 to rotate through the connecting plate 63 to achieve stirring and mixing of the heat inside the preheating tank 3, thereby achieving the effect of rapid entry of heat into the inside of the preheating tank 3, thereby completing the entire heat circulation.

[0032] Specifically, the cross-flow steam heater also includes a gas-liquid separation box 4 fixedly installed on the top of the shell 1 for separating gas and liquid, an adjusting component 7 arranged inside the gas-liquid separation box 4 for adjusting the degree of gas-liquid separation, and an input pipe 8 fixedly arranged between the preheating tank 3 and the heating tank 2; when the steam well cover gas-liquid separation box 4, in order to adjust the degree of separation of gas and liquid and achieve more detailed separation, it can be adjusted through the adjusting component 7.

[0033] Among them, in order to achieve rapid water intake and exhaust, a water inlet pipe 31 is fixedly installed on the side of the preheating tank 3 away from the heating tank 2, and an exhaust pipe 32 is fixedly arranged on the top of the preheating tank 3; water can be taken in through the water inlet pipe 31, and the exhaust pipe 32 can be used to discharge the last used gas after the machine is used.

[0034] Furthermore, a first valve 51 is fixedly installed on the output pipe 5 , and a second valve 81 is fixedly installed on the input pipe 8 ; in order to realize the opening and closing adjustment of the output pipe 5 and the input pipe 8 , it can be realized by opening and closing the first valve 51 and the second valve 81 .

[0035] Furthermore, the regulating assembly 7 includes a rotating groove 71 provided on the inner wall of the gas-liquid separation box 4, a first filter plate 72 rotatably arranged in the rotating groove 71, a second filter plate 73 fixedly arranged on the gas-liquid separation box 4 and located on the first filter plate 72, a connecting shaft 74 arranged at the bottom of the first filter plate 72, and a servo motor 75 fixedly arranged on the top of the heater 22 and connected to the connecting shaft 74; first turn on the servo motor 75 to drive the connecting shaft 74 to rotate, and then drive the second filter plate 73 to rotate, so that the size of the gap between the second filter plate 73 and the first filter plate 72 is adjusted, thereby achieving the effect of adjusting the gas holes, which is convenient for more detailed gas-liquid separation.

[0036] 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 field of technology within the technical scope disclosed by the present invention can make equivalent substitutions or changes based on the technical scheme and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cross-flow steam heater, comprising a shell (1), a heating tank (2) fixedly arranged inside the shell (1), a heater (22) fixedly arranged inside the heating tank (2), a finned tube (21) fixedly arranged outside the heater (22), a preheating tank (3) arranged on one side of the shell (1) and connected to the interior of the heating tank (2), and an output pipe (5) having two ends connected to the shell (1) and the interior of the preheating tank (3); Features: The cross-flow steam heater further comprises a stirring assembly (6) arranged at one end of the output pipe (5) located inside the preheating tank (3); The stirring assembly (6) comprises a mounting plate (61) fixedly arranged at one end of the output pipe (5) close to the inside of the preheating tank (3), a rotating shaft (64) fixedly arranged at the bottom of the mounting plate (61), a rotating blade (62) rotatably connected to the rotating shaft (64), a connecting plate (63) fixedly mounted on the rotating blade (62), and an outer blade (65) fixedly arranged at one end of the connecting plate (63) away from the rotating blade (62) and located outside the output pipe (5) for heat circulation.

2. The cross-flow steam heater according to claim 1, characterized in that: The cross-flow steam heater further comprises a gas-liquid separation box (4) fixedly mounted on the top of the shell (1) for separating gas and liquid, an adjustment component (7) arranged inside the gas-liquid separation box (4) for adjusting the degree of gas-liquid separation, and an input pipe (8) fixedly arranged between the preheating tank (3) and the heating tank (2).

3. The cross-flow steam heater according to claim 1, characterized in that: A water inlet pipe (31) is fixedly installed on the side of the preheating tank (3) away from the heating tank (2), and an exhaust pipe (32) is fixedly arranged on the top of the preheating tank (3).

4. The cross-flow steam heater according to claim 1, characterized in that: A first valve (51) is fixedly mounted on the output pipe (5).

5. The cross-flow steam heater according to claim 2, characterized in that: A second valve (81) is fixedly mounted on the input pipe (8).

6. The cross-flow steam heater according to claim 2, characterized in that: The regulating assembly (7) comprises a rotating groove (71) provided on the inner wall of the gas-liquid separation box (4), a first filter plate (72) rotatably arranged in the rotating groove (71), a second filter plate (73) fixedly arranged on the gas-liquid separation box (4) and located on the first filter plate (72), a connecting shaft (74) arranged at the bottom of the first filter plate (72), and a servo motor (75) fixedly arranged on the top of the heater (22) and connected to the connecting shaft (74).

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