Steam-water separation device of steam boiler
By designing staggered annular steam-water separation plates and bent pipe structures in small steam boilers, multiple steam-water separations and drying processes are achieved, solving the problem of severe water carryover in small steam boilers and improving steam quality and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-24
AI Technical Summary
Small steam boilers (with a water capacity of less than 50L) have a serious problem of water carryover, which affects equipment productivity and product quality.
Design a steam boiler steam-water separation device including an outer cylinder and an inner cylinder. The top of the inner cylinder is equipped with a sealed steam chamber, and the inner cylinder is equipped with multiple layers of staggered annular steam-water separation plates. Through multiple steam-water separation and drying processes, the device utilizes a bent pipe and steam connection pipe structure to achieve efficient separation and drying of steam.
It effectively removes 98% of the moisture and 100% of the air from steam, preventing water hammer, extending equipment life, improving thermal efficiency, saving energy, and reducing safety risks.
Smart Images
Figure CN224033782U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steam boiler technical field, specifically to a steam boiler water separation device. BACKGROUND
[0002] The main function of the steam-water separator used in the steam boiler is to remove water in the steam and improve the dryness of the steam, which is very important for improving the productivity of the equipment and the quality of the product. Specifically, the steam-water separator separates steam and water at different densities through its internal structure design. For example, in the food and beverage industry, steam is directly mixed with materials, and too much water will cause the taste and quality of food to decrease. In the pharmaceutical industry, too low steam dryness will cause sterilization failure and product unqualification. The steam-water separator is divided into baffle type, centrifugal type, cyclone type, gravity type, deflection type, filling type, etc. according to the principle. The commonly used steam-water separation devices for industrial boilers include underwater orifice plate, slit baffle, baffle, cyclone separator, etc. The types are various and the structure is very mature.
[0003] However, the current small steam boiler, especially the steam boiler with a water capacity of less than 50L, has a serious water carrying problem, which is strongly reflected by the users and has been a problem that needs to be broken through in the industry. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the above problems, the purpose of the utility model is to provide a steam boiler water separation device.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows: a steam boiler water separation device, comprising an outer cylinder and an inner cylinder arranged at the top of the outer cylinder, a sealed steam chamber is arranged at the top of the outer cylinder around the inner cylinder, the bottom of the steam chamber is communicated with a plurality of heat exchange pipes for generating steam, a plurality of annular steam-water separation plates arranged in layers are arranged in the steam chamber, and adjacent annular steam-water separation plates are arranged alternately, so that the upper and lower adjacent annular steam-water separation plates are fixedly connected with the inner side wall of the outer cylinder and the outer side wall of the inner cylinder respectively, a steam connection pipe horizontally penetrates the inner cylinder, one end of the steam connection pipe is communicated with the steam chamber on the top surface of the topmost annular steam-water separation plate, and the other end of the steam connection pipe is communicated with a steam pipe penetrating the side wall of the outer cylinder.
[0006] Further, a bend pipe is arranged at the steam inlet end of the steam connection pipe, and the bend pipe is communicated with the steam chamber on the top surface of the topmost annular steam-water separation plate.
[0007] Further, the steam inlet end of the bend pipe faces upward, and a steam-water separation cap is fixedly communicated with the steam inlet end.
[0008] Further, the top edges of the two sides of the topmost annular steam-water separation plate are fixedly connected with the inner side wall of the outer cylinder and the outer side wall of the inner cylinder respectively, so that the steam chamber is divided into two parts, and the topmost annular steam-water separation plate is provided with a plurality of evenly arranged air permeable holes, so that the upper and lower parts of the steam chamber are communicated through the plurality of air permeable holes.
[0009] Further, the steam chamber bottom is communicated with the water adding cavity at the bottom of the outer cylinder through a plurality of heat exchange pipes, the center of the outer cylinder at the heat exchange pipe part forms a high-temperature flue gas passage, the bottom of the high-temperature flue gas passage is communicated with the top of the combustion chamber of the furnace body, the upper part of the high-temperature flue gas passage is communicated with the lower end of the inner cylinder, and the upper end of the inner cylinder is sealed.
[0010] Further, the steam connection pipe horizontally penetrates the middle part of the inner cylinder, and the upper end of the inner cylinder is higher than the steam chamber.
[0011] Further, the steam pipe is provided with a steam outlet pipe, and the steam outlet pipe is communicated with the steam chamber.
[0012] When steam is generated, the water in the heat exchange pipe moves upwards along the heat exchange pipe under the action of high-temperature flue gas to enter the steam chamber, the steam chamber is provided with a plurality of annular steam-water separation plates arranged in layers, adjacent annular steam-water separation plates are arranged in a staggered mode, the upper and lower adjacent annular steam-water separation plates are fixedly connected with the inner side wall of the outer cylinder and the outer side wall of the inner cylinder respectively to form an annular cavity structure in a winding mode, the steam-water mixture is separated for multiple times, the top annular steam-water separation plate is provided with a plurality of air permeable holes, the steam-water mixture is separated again, passes through the steam-water separation cap, is separated again, enters the steam connection pipe through the elbow pipe, the steam connection pipe is contacted with the high-temperature flue gas to play a drying role, and finally the dried high-temperature steam is discharged through the steam pipe to supply steam to the equipment.
[0013] Through the above arrangement, the steam is separated and dried for multiple times, the steam no longer carries water, dry steam is obtained, 98% of water and 100% of air in the steam can be effectively removed, the water hammer phenomenon is prevented, the service life of subsequent steam pipes, valves and heat exchange equipment is prolonged, the noise in the pipeline is reduced, in addition, the steam heat efficiency can be improved, energy can be saved, steam leakage can be reduced, safety risks can be reduced, and steam heat exchange efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further explained in connection with the drawings.
[0015] Fig. 1 It is the main view internal structure schematic diagram of the utility model;
[0016] Fig. 2 It is the horizontal section structure schematic diagram of the steam chamber top of the utility model. DETAILED DESCRIPTION
[0017] As Figs. 1-2As shown, a steam boiler steam-water separation device, including outer cylinder 1 and set in the top of outer cylinder 1 inner cylinder 2, the outer cylinder 1 top of the outer periphery of inner cylinder 2 is provided with airtight steam chamber 3, steam chamber 3 bottom with a plurality of heat exchange pipe 4 for generating steam communication, steam chamber 3 is provided with a plurality of layers of annular steam-water separation plate 5 arranged in upper and lower, and adjacent annular steam-water separation plate 5 staggered arrangement, so that the upper and lower adjacent annular steam-water separation plate 5 respectively with outer cylinder 1 inner side wall and inner cylinder outer side wall fixedly connected, steam connection pipe 6 horizontally through inner cylinder 2, and one end with the topmost annular steam-water separation plate 5 upper surface of steam chamber 3 communication, steam connection pipe 6 other end with steam pipe 7 through the outer cylinder 1 side wall communication.
[0018] Specific: steam connection pipe 6 intake end is provided with elbow 8, through elbow 8 with the topmost annular steam-water separation plate 5 upper surface of steam chamber 3 communication, elbow 8 intake end upward, and fixedly connected with steam-water separation cap 9, steam connection pipe 6 horizontal through the middle part of inner cylinder 2, the upper end of inner cylinder 2 is higher than steam chamber 3, steam pipe 7 outlet end upward bending, and outlet end is much higher than steam chamber 3.
[0019] In addition, in order to further isolate liquid water, the topmost annular steam-water separation plate 5 both sides edge respectively with outer cylinder 1 inner side wall and inner cylinder outer side wall fixedly connected, so that the steam chamber 3 is divided into two parts, and the topmost annular steam-water separation plate 5 is provided with a plurality of uniform arrangement of air hole 11, so that the steam chamber 3 upper and lower two parts through a plurality of air hole 11 communication.
[0020] Heat exchange heating diagram of the present steam boiler structure: steam chamber 3 bottom through a plurality of heat exchange pipe 4 with outer cylinder 1 bottom of water cavity communication, heat exchange pipe 4 part of outer cylinder 1 center forms high temperature flue gas passage 10, high temperature flue gas passage 10 bottom with the combustion chamber top of furnace body communication, high temperature flue gas passage 10 above and inner cylinder 2 lower end communication, the upper end of inner cylinder 2 is airtight.
[0021] The working principle of the utility model
[0022] The water in the heat exchange pipe 4 is under the action of high temperature flue gas, and the steam-water mixture generated by the water is moved upward along the heat exchange pipe 4 and enters the steam drum of the steam boiler, i.e. the steam chamber 3. The steam chamber 3 is provided with a plurality of layers of annular steam-water separation plates 5 arranged in upper and lower. The adjacent annular steam-water separation plates 5 are staggered. The upper and lower adjacent annular steam-water separation plates 5 are fixedly connected with the inner side wall of the outer cylinder 1 and the outer side wall of the inner cylinder, respectively, to form an upper and lower circuitous annular cavity structure. In this way, the steam-water mixture is subjected to steam-water separation for multiple times. The topmost annular steam-water separation plate 5 is provided with a plurality of air holes 11 to perform separation again. The steam-water mixture passes through the steam-water separation cap 9 to perform separation again. The steam-water mixture enters the steam connection pipe 6 through the elbow 8. The steam connection pipe 6 is in contact with the high temperature flue gas to play a drying role. Finally, the dried high temperature steam is discharged through the steam pipe 7 to supply steam to the use equipment.
[0023] The above merely describes the specific implementation of the present application in a schematic manner, and is not intended to limit the scope of the present application. Any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principles of the present application shall fall within the scope of the present application.
Claims
1. A steam boiler steam-water separation device, comprising an outer cylinder (1) and an inner cylinder (2) disposed on the top of the outer cylinder (1), wherein a sealed steam chamber (3) is provided on the top of the outer cylinder (1) surrounding the inner cylinder (2), characterized in that: The bottom of the steam chamber (3) is connected to multiple heat exchange tubes (4) used to generate steam. The steam chamber (3) is provided with multiple layers of annular steam-water separation plates (5) arranged vertically, and the adjacent annular steam-water separation plates (5) are staggered, so that the upper and lower adjacent annular steam-water separation plates (5) are fixedly connected to the inner side wall of the outer cylinder (1) and the outer side wall of the inner cylinder respectively. The steam connecting pipe (6) passes horizontally through the inner cylinder (2), and one end of it is connected to the steam chamber (3) on the upper surface of the top annular steam-water separation plate (5). The other end of the steam connecting pipe (6) is connected to the steam pipe (7) that passes through the side wall of the outer cylinder (1).
2. The steam boiler steam-water separation device as described in claim 1, characterized in that: The steam inlet of the steam pipe (6) is provided with a bend (8), which is connected to the steam chamber (3) on the upper surface of the top annular steam-water separator plate (5).
3. The steam boiler steam-water separation device as described in claim 2, characterized in that: The air inlet end of the bend (8) faces upward and is fixedly connected to the steam-water separator cap (9).
4. The steam boiler steam-water separation device as described in claim 1, characterized in that: The two sides of the topmost annular steam-water separation plate (5) are fixedly connected to the inner side wall of the outer cylinder (1) and the outer side wall of the inner cylinder, respectively, so that the steam chamber (3) is divided into upper and lower parts. The topmost annular steam-water separation plate (5) is provided with multiple evenly arranged vent holes (11), so that the upper and lower parts of the steam chamber (3) are connected through multiple vent holes (11).
5. A steam boiler steam-water separation device as described in claim 1, characterized in that: The bottom of the steam chamber (3) is connected to the water filling chamber at the bottom of the outer cylinder (1) through multiple heat exchange tubes (4). A high-temperature flue gas channel (10) is formed in the center of the outer cylinder (1) at the heat exchange tube (4). The bottom of the high-temperature flue gas channel (10) is connected to the top of the combustion chamber of the furnace body. The top of the high-temperature flue gas channel (10) is connected to the lower end of the inner cylinder (2). The upper end of the inner cylinder (2) is sealed.
6. The steam boiler steam-water separation device as described in claim 1, characterized in that: The steam pipe (6) runs horizontally through the middle part of the inner cylinder (2), and the upper end of the inner cylinder (2) is higher than the steam chamber (3).
7. A steam boiler steam-water separation device as described in claim 1, characterized in that: The steam pipe (7) has its outlet bent upwards and is much higher than the steam chamber (3).