Steam-water separation device and steam generator

Abstract

The utility model belongs to the technical field of steam generation devices, and particularly relates to a steam-water separation device and a steam generator. The heat exchanger comprises a heat exchange tube, a fixed rod and an end plate, the fixing rod is arranged in the heat exchange pipe in a penetrating mode, a channel is formed between the fixing rod and the heat exchange pipe, and at least two blocking mechanisms are arranged on the periphery of the fixing rod at intervals from bottom to top and used for partially blocking the channel; the end plate is arranged at the top of the heat exchange tube in a sealing mode and provided with through holes communicated with the channels. The device is used for solving the problem of low steam separation and collection efficiency. A channel is formed in the heat exchange tube to allow steam to pass through, a plurality of blocking mechanisms are arranged on the fixing rod at intervals to block the channel, the steam makes contact with the blocking mechanisms to form condensate water drops in the process of passing through the channel, finally, an end plate is arranged at the top of the heat exchange tube, through holes are formed in the end plate to form blocking, and the steam collecting effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steam generating device technical field, concretely relates to a steam water separation device and steam generator. BACKGROUND

[0002] Steam generator is the mechanical equipment that water is heated to hot water or steam using the heat energy of fuel or other energy, steam generator is gradually replacing part traditional boiler with its efficient flexible characteristics, especially plays the key role in distributed energy and green manufacturing.

[0003] Steam water separator is an important component of steam generator. Mainly used for separating the steam generated by steam generator through steam water separator, reducing the humidity of steam generator outlet.

[0004] However, the steam collection efficiency of the current steam water separator is low, and the water cannot be quickly and effectively collected during the steam flow process, and the separation efficiency is low. UTILITY MODEL CONTENT

[0005] In view of the deficiency of prior art, a steam water separation device and steam generator are provided to solve the problem of low steam separation and collection efficiency.

[0006] On the one hand, the technical scheme for solving the above technical problems of the utility model is as follows: a steam water separation device, comprising:

[0007] Heat exchange pipe;

[0008] Fixed rod, penetrating in the heat exchange pipe, the fixed rod and the heat exchange pipe form a channel, the outer periphery of the fixed rod is provided with at least two groups of blocking mechanisms from bottom to top, and the blocking mechanism is used for partially blocking the channel;

[0009] End plate, sealing in the top of the heat exchange pipe, the end plate is provided with a through hole communicating with the channel.

[0010] Compared with the prior art, the above technical scheme has the following beneficial effects:

[0011] The fixed rod is penetrated in the heat exchange pipe, the channel is formed in the heat exchange pipe, the steam passes through, and the multiple groups of blocking mechanisms are arranged on the fixed rod to block the channel, the steam forms condensate drops during passing through the channel and contacting the blocking mechanism, finally the end plate is arranged on the top of the heat exchange pipe, and the through hole is arranged on the end plate to form a blocking, thereby improving the steam collection effect.

[0012] On the basis of the above technical scheme, the embodiments of the present application can also be improved as follows:

[0013] In an embodiment, the blocking mechanism comprises a plurality of ring plates arranged at intervals on the fixed rod, and the ring plates are provided with avoiding notches, and the ring plates form a first blocking mechanism.

[0014] Specifically, the ring plates are arranged, and the avoiding notches are arranged on the ring plates to allow the rising steam to pass through, and the rising steam can be in contact with the ring plates for steam-water separation, and the plurality of ring plates can greatly improve the separation efficiency.

[0015] In an embodiment, the area of the avoiding notch on the upper ring plate is not greater than the area of the avoiding notch on the adjacent lower ring plate.

[0016] The avoiding notches on the ring plates are arranged from bottom to top to be smaller, so that the blocking effect of the rising steam is stronger, to ensure the separation effect of the gradually rising steam.

[0017] In an embodiment, the blocking mechanism further comprises a spiral plate arranged on the fixed rod, and the spiral plate is located above the ring plate, and the spiral plate forms a second blocking mechanism.

[0018] In an embodiment, the outer contour of the spiral plate and the ring plate is in gap cooperation with the inner wall of the heat exchange pipe.

[0019] On the other hand, the utility model discloses a steam generator, which comprises:

[0020] A furnace body;

[0021] A plurality of steam-water separation devices, which are arranged at least one circle around the center of the furnace body;

[0022] An upper box arranged on the top of the furnace body, and the top of the steam-water separation device extends into the upper box;

[0023] A main steam pipe arranged in the upper box, and the main steam pipe is in communication with the inside of the upper box.

[0024] The top of the steam-water separation device extends into the upper box, and the steam after the steam-water separation device enters the upper box again for steam-water separation, and then is discharged through the main steam pipe, to improve the separation effect.

[0025] In an embodiment, a ring plate is arranged in the upper box, and a plurality of air holes are arranged on the ring plate in the circumferential direction.

[0026] In an embodiment, the air holes and the through holes are arranged in axial misalignment.

[0027] In an embodiment, a spiral separator is further matched in the main steam pipe.

[0028] In an embodiment, a heat preservation layer is further included, and the heat preservation layer is wrapped on the outside of the furnace body. Attached Figure Description

[0029] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model.

[0031] Figure 2 for Figure 1 A schematic diagram of the transverse cross-sectional structure corresponding to the strip-shaped clearance notch.

[0032] Figure 3 for Figure 1 A schematic diagram of the transverse cross-sectional structure corresponding to the perforated clearance notch.

[0033] Figure 4 This is a schematic diagram of the structure of Embodiment 2 of this utility model.

[0034] Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle.

[0035] Figure label:

[0036] 1. Heat exchange tube; 2. Fixing rod; 3. Channel; 4. Blocking mechanism; 5. End plate; 6. Through hole; 7. Ring plate; 8. Avoidance notch; 9. Spiral plate; 10. Furnace body; 11. Upper box; 12. Main steam pipe; 13. Ring plate; 14. Air hole; 15. Spiral separator; 16. Insulation layer. Detailed Implementation

[0037] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0038] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0039] In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0041] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Example 1

[0043] like Figure 1 As shown, the steam-water separation device provided by this utility model includes: a heat exchange tube 1, a fixing rod 2, and an end plate 5.

[0044] The heat exchange tube 1 can be made of finned tubes, etc., that is, fins are arranged at intervals on the outer periphery of the heat exchange tube 1 to improve the heat exchange effect. The fixing rod 2 is inserted into the heat exchange tube 1, and a channel 3 is formed between the fixing rod 2 and the heat exchange tube 1. At least two sets of blocking mechanisms 4 are arranged at intervals from bottom to top on the outer periphery of the fixing rod 2. The blocking mechanism 4 is used to partially block the channel 3. Based on the two blocking mechanisms 4 in the heat exchange tube 1 to block steam and achieve separation, the end plate 5 is sealed on the top of the heat exchange tube 1. The end plate 5 has a through hole 6 that connects to the channel 3. The end plate 5 with the through hole 6 forms another separation, which improves the overall separation effect.

[0045] The fixing rod 2 is inserted into the heat exchange tube 1 to form a channel 3 in the heat exchange tube 1 for steam to pass through. Multiple sets of blocking mechanisms 4 are set at intervals on the fixing rod 2 to block the channel 3. During the process of steam passing through the channel 3, it comes into contact with the blocking mechanism 4 to form condensate dripping. Finally, an end plate 5 is set at the top of the heat exchange tube 1, and a through hole 6 is opened on the end plate 5 to form another barrier, thereby improving the steam collection effect.

[0046] In an embodiment, the blocking mechanism 4 comprises a plurality of ring plates 7 arranged on the fixed rod 2, the ring plates 7 are provided with avoiding notches 8, and the plurality of ring plates 7 form the first blocking mechanism 4.

[0047] Specifically, in the embodiment, five ring plates 7 are arranged on the fixed rod 2, the avoiding notches 8 on every two adjacent ring plates 7 are circumferentially staggered and spaced, thus forming the first blocking mechanism 4, which provides a curved passage 3 for the steam to rise, avoiding the steam rising directly, and the rising steam can contact the ring plates 7 for steam-water separation, and the multiple ring plates 7 can greatly improve the separation efficiency.

[0048] Further, the area of the avoiding notch 8 on the upper ring plate 7 is not greater than the area of the avoiding notch 8 on the adjacent lower ring plate 7.

[0049] That is, the avoiding notch 8 on the ring plate 7 is arranged from bottom to top to be smaller, so that the blocking effect of the steam rising is stronger, to ensure the separation effect of the steam rising step by step.

[0050] In the embodiment, as shown in Figure 2 , the avoiding notches 8 on the lower two ring plates 7 are arranged in strip shape, as shown in Figure 3 , the avoiding notches 8 on the upper three ring plates 7 are arranged in hole shape, and the area of the hole shape is smaller than the area of the strip shape.

[0051] The blocking mechanism 4 further comprises a spiral plate 9 arranged on the fixed rod 2, the spiral plate 9 is located above the ring plate 7, and the spiral plate 9 forms the second blocking mechanism 4, which can provide a spiral rising passage 3, compared with the opening hole type rising passage 3, avoiding the steam rising directly, and improving the separation effect.

[0052] Among them, the outer contour of the spiral plate 9 and the ring plate 7 cooperates with the gap between the inner wall of the heat exchange pipe 1, avoiding the outer edge of the spiral plate 9 and the ring plate 7 from blocking the gap formed with the inner wall of the heat exchange pipe 1, and respectively disassembling the heat exchange pipe 1 and the fixed rod 2.

[0053] Embodiment 2

[0054] As shown in Figure 4 , 5 , the embodiment further discloses a steam generator, which comprises a furnace body 10, the steam-water separation device in the embodiment 1, an upper box body 11 and a main steam pipe 12.

[0055] The furnace body 10 is a cylindrical furnace body 10, and the top and bottom are fixed by sealing plates, the steam-water separation device is arranged at least one circle around the center ring of the furnace body 10, the steam-water separation device is vertically arranged in the furnace body 10, the upper box body 11 is arranged on the top of the furnace body 10, and the upper box body 11 is specifically a ring corresponding to the top of the steam-water separation device, so that the top of the steam-water separation device can extend into the upper box body 11, the upper box body 11 can further separate the steam entering the upper box body 11, and the main steam pipe 12 is arranged in the upper box body 11.

[0056] The top of the steam-water separation device extends into the upper box body 11, the steam after the steam-water separation device enters the upper box body 11 again, and then is discharged through the main steam pipe 12, so that the separation effect is improved.

[0057] In order to improve the separation effect in the upper box body 11, the ring plate 13 is arranged around the upper box body 11, a plurality of air holes 14 are arranged on the ring plate 13 in the circumferential direction, the steam entering the upper box body 11 from the through hole 6 on the end plate 5 is blocked again by the ring plate 13, a separation is formed, and the steam after being blocked can continue to rise through the air holes 14.

[0058] In order to improve the separation effect of the steam entering between the through hole 6 and the air hole 14, the air hole 14 and the through hole 6 are arranged in an axial direction, that is, the air hole 14 does not directly face the lower through hole 6.

[0059] In order to further improve the separation effect, the spiral separator 15 is further arranged in the main steam pipe 12, the spiral separator 15 comprises a core rod and a spiral fin, the bottom of the core rod is arranged on the ring plate 13, the spiral fin forms a spiral channel 3 again, and the last separation is formed.

[0060] In the embodiment, the heat preservation layer 16 is further arranged, the heat preservation layer 16 is arranged on the outside of the furnace body 10, and the heat preservation effect of the entire steam generator is improved.

[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A vapor-water separation device, characterized in that, include: Heat exchanger tubes; A fixing rod is inserted into the heat exchange tube, and a channel is formed between the fixing rod and the heat exchange tube. At least two sets of blocking mechanisms are provided at intervals from bottom to top on the outer periphery of the fixing rod, and the blocking mechanisms are used to partially block the channel. An end plate is sealed on the top of the heat exchange tube, and a through hole is provided on the end plate to connect the channel.

2. The steam-water separation device according to claim 1, characterized in that, The blocking mechanism includes a plurality of ring plates spaced apart on the fixed rod, each ring plate having an avoidance notch, and the plurality of ring plates forming a first blocking mechanism.

3. The steam-water separation device according to claim 2, characterized in that, The area of ​​the clearance notch on the upper ring plate is not greater than the area of ​​the clearance notch on the adjacent lower ring plate.

4. The steam-water separation device according to claim 2, characterized in that, The blocking mechanism further includes a spiral plate disposed on the fixed rod, the spiral plate being located above the ring plate, and the spiral plate forming a second blocking mechanism.

5. The steam-water separator according to claim 4, characterized in that, The outer contours of the spiral plate and the annular plate are fitted with a clearance fit to the inner wall of the heat exchange tube.

6. A steam generator, characterized in that, include: Furnace body; The steam-water separation device as described in any one of claims 1-5, wherein the steam-water separation device is arranged in at least one ring around the center of the furnace body; The upper housing is located on top of the furnace body, and the top of the steam-water separator extends into the upper housing; The main steam pipe is located in the upper housing and is connected to the interior of the upper housing.

7. The steam generator according to claim 6, characterized in that, The upper housing is provided with a ring plate, and the ring plate has several air holes along its circumferential direction.

8. The steam generator according to claim 7, characterized in that, The air pores and the through holes are offset in the axial direction.

9. The steam generator according to claim 8, characterized in that, A spiral separator is also matched and installed in the main steam pipe.

10. The steam generator according to claim 6, characterized in that, It also includes a heat insulation layer, which covers the outside of the furnace body.

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