Slag flushing water heat exchanger

Abstract

The utility model discloses a slag flushing water heat exchanger which comprises a heat exchange box and a box cover. The top end of the heat exchange box communicates with a slag flushing water flow dividing box, fixing assemblies are installed at the four corners of the outer wall of the slag flushing water flow dividing box correspondingly, inserting rods are inserted into the fixing assemblies, and limiting grooves are inwards formed in the side walls of the inserting rods. A limiting rod in the fixing assembly is inserted into the limiting groove; the limiting groove comprises a square part, a cylindrical part and a fan-shaped part. According to the device, through the arrangement of the fixing assembly, the box cover of the heat exchanger is opened, flushing is facilitated, and the blocking possibility of the heat exchanger is reduced, and the problems that an existing heat exchanger can be blocked within a short time in practical application, needs to be disassembled and cleaned after being blocked, and particularly is very difficult to quickly dredge in a heat exchange position in a heat exchange element are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a slag flushing water heat exchanger. Background Art

[0002] At present, the heat exchangers used for waste heat recovery of slag flushing water mainly include traditional shell and tube heat exchangers and spiral plate heat exchangers. In actual applications, they will be blocked in a very short time and cannot be unblocked, so they can only be scrapped, and their heat transfer efficiency is low.

[0003] Therefore, it is urgent to design a slag flushing water heat exchanger that can achieve rapid dredging. Utility Model Content

[0004] The utility model aims to provide a slag flushing water heat exchanger to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: The utility model provides a slag flushing water heat exchanger, comprising: a heat exchange box and a box cover; the top of the heat exchange box is connected to a slag flushing water splitter box, and a fixing assembly is installed at each of the four corners of the outer wall of the slag flushing water splitter box, and a plug rod is inserted into the fixing assembly, and the plug rod is a cylindrical structure, and a limiting groove is provided inwardly on the side wall of the plug rod; the limiting rod in the fixing assembly is inserted into the limiting groove;

[0006] The limiting groove includes a square portion, a cylindrical portion and a fan-shaped portion; the cylindrical portion extends from the outer wall of the insertion rod to the center of the insertion rod; two fan-shaped portions are symmetrically arranged about the center of the cylindrical portion, and the fan-shaped portions are formed at the center of the insertion rod; the square portions are symmetrically opened on both sides of the cylindrical portion, and the inner cavity of the square portion is connected to the fan-shaped portion.

[0007] There are four fixing components, and every two fixing components are connected by a connecting rod. The connecting rod is a "U"-shaped structure, and a limit rod is rotatably installed at both ends of the connecting rod; the limit rod is inserted into the side wall of the fixing box, and the insertion rod is vertically inserted at the top of the fixing box, and the bottom end of the insertion rod is in contact with the bottom surface of the inner cavity of the fixing box.

[0008] The limiting rod includes a connecting portion, an extending portion and an inserting portion; the connecting portion is rotatably mounted on the end of the connecting rod, and the connecting portion passes through the side wall of the fixed box; the extending portion is placed in the fixed box; one end of the extending portion is fixedly connected to the connecting portion, and the other end of the extending portion is fixedly connected to the inserting portion; the inserting portion is a cylindrical structure, and two centrally symmetrical inserting pieces are fixedly mounted at both ends of the inserting portion; the inserting piece is inserted into the fan-shaped portion through the square portion.

[0009] A retaining ring is fixedly formed on the extending portion.

[0010] The sector portion is a sector area with a central angle of 30-40 degrees.

[0011] The outer surface of the bottom of the heat exchange box is fixedly connected to a heat medium diversion box, and one side of the slag flushing water diversion box is fixedly connected to a slag flushing water inlet pipe and a heat medium outlet pipe; the inner surface of the heat exchange box is provided with a plurality of partition plates, and the partition plate includes two heat transfer plates, a heat medium flow channel is formed between the two heat transfer plates, and a slag flushing water flow channel is formed between the two partition plates. The bottom of the heat medium diversion box is fixedly connected to a plurality of slag collecting pipes, and the heat medium diversion box is fixedly connected to a slag flushing water drainage pipe and a heat medium inlet pipe on the opposite side of the heat medium diversion box and the slag flushing water diversion box that is connected to the slag flushing water inlet pipe.

[0012] A plurality of baffles are installed in the slag flushing water diverter box and the heat medium diverter box, and the baffles in the slag flushing water diverter box and the heat medium diverter box are arranged alternately.

[0013] The utility model discloses the following technical effects: the device opens the cover of the heat exchanger through the setting of fixed components, which is convenient for flushing and reduces the possibility of blockage, and solves the problem that the existing heat exchanger will be blocked in a very short time in actual application and needs to be disassembled and cleaned after being blocked, especially in the heat exchange position inside the heat exchange element, which is difficult to dredge quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the fixing component of the utility model;

[0018] Figure 4 This is a schematic diagram of the surface structure of the limit groove of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection between the limit rod and the limit groove of the utility model;

[0020] Among them, 1. heat exchange box; 2. box cover; 3. slag flushing water diverter box; 4. plug rod; 5. limit groove; 6. limit rod; 7. connecting rod; 8. fixed box; 9. retaining ring; 10. insert; 11. heat medium diverter box; 12. partition plate; 13. heat transfer plate; 14. heat medium flow channel; 15. slag flushing water flow channel; 16. slag collecting pipe; 17. baffle. DETAILED DESCRIPTION

[0021] 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.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] The utility model provides a slag flushing water heat exchanger, comprising: a heat exchange box 1 and a box cover 2; the top of the heat exchange box 1 is connected to a slag flushing water distribution box 3, and a fixing assembly is installed at each of the four corners of the outer wall of the slag flushing water distribution box 3, and a plug rod 4 is inserted into the fixing assembly, and the plug rod 4 has a cylindrical structure, and a limiting groove 5 is provided inwardly on the side wall of the plug rod 4; the limiting rod 6 in the fixing assembly is inserted into the limiting groove 5;

[0024] The limiting groove 5 includes a square portion, a cylindrical portion and a fan-shaped portion; the cylindrical portion extends from the outer wall of the insertion rod 4 to the center of the insertion rod 4; two fan-shaped portions are symmetrically arranged about the center of the cylindrical portion, and the fan-shaped portions are formed at the center of the insertion rod 4; the square portions are symmetrically opened on both sides of the cylindrical portion, and the inner cavity of the square portion is connected to the fan-shaped portion.

[0025] There are four fixing components, and every two fixing components are connected by a connecting rod 7. The connecting rod 7 is a "U"-shaped structure, and a limit rod 6 is rotatably installed at both ends of the connecting rod 7; the limit rod 6 is inserted into the side wall of the fixing box 8, and an insertion rod 4 is vertically inserted at the top of the fixing box 8, and the bottom end of the insertion rod 4 is in contact with the bottom surface of the inner cavity of the fixing box 8.

[0026] The limiting rod 6 includes a connecting portion, an extending portion and an inserting portion; the connecting portion is rotatably mounted on the end of the connecting rod 7, and the connecting portion passes through the side wall of the fixed box 8; the extending portion is placed in the fixed box 8; and one end of the extending portion is fixedly connected to the connecting portion, and the other end of the extending portion is fixedly connected to the inserting portion; the inserting portion is a cylindrical structure, and two centrally symmetrical inserting pieces 10 are fixedly mounted at both ends of the inserting portion; the inserting piece 10 is inserted into the fan-shaped portion through the square portion.

[0027] A retaining ring 9 is fixedly formed on the extending portion.

[0028] The sector portion is a sector-shaped area with a central angle of 30-40 degrees.

[0029] The outer surface of the bottom of the heat exchange box 1 is fixedly connected to a heat medium diversion box 11, and one side of the slag flushing water diversion box 3 is fixedly connected to a slag flushing water inlet pipe and a heat medium outlet pipe; the inner surface of the heat exchange box 1 is provided with a plurality of partition plates 12, the partition plate 12 includes two heat transfer plates 13, a heat medium flow channel 14 is formed between the two heat transfer plates 13, and a slag flushing water flow channel 15 is formed between the two partition plates 12, the bottom of the heat medium diversion box 11 is fixedly connected to a plurality of slag collecting pipes 16, and the heat medium diversion box 11 is fixedly connected to a slag flushing water drainage pipe and a heat medium inlet pipe on the opposite side of the heat medium diversion box 11 and the slag flushing water diversion box 3 connected to the slag flushing water inlet pipe.

[0030] A plurality of baffles 17 are installed in the slag flushing water diverter box 3 and the heat medium diverter box 11 , and the baffles in the slag flushing water diverter box 3 and the heat medium diverter box 11 are arranged alternately.

[0031] In one embodiment of the utility model, the two fixed components along the short sides of the slag flushing water diversion box are connected by a connecting rod 7, and a connecting part is rotatably installed at each end of the connecting rod 7. The connecting part adjusts the position of the insertion part in the limiting groove 5 by rotating with the connecting rod 7; the connecting part is connected to the insertion part through an extension part, and the two inserts 10 of the insertion part enter the fan-shaped part along the square part of the limiting groove; the center of the insertion part is aligned with the cylindrical part; after the insertion part is inserted into the fan-shaped part, the limiting rod 6 and the limiting groove 5 are realized by rotating the connecting part, and at this time, the connecting rod 7 can no longer stretch and move in the fixed box 8.

[0032] Furthermore, the connecting rod 7 can be used as a support for taking the heat exchanger.

[0033] In one embodiment of the utility model, the opening directions of the fan-shaped parts of the two insertion rods 4 into which the two fixing components connected by the connecting rod 7 are inserted can be the same or opposite; the connecting rod 7 can be pulled out only when all the two limiting rods 6 connected by the connecting rod 7 are no longer limited by the insertion rod 4.

[0034] In one embodiment of the present invention, a retaining ring 9 formed on the extension portion is used to prevent the limiting rod 6 from escaping from the fixing box 8 .

[0035] In one embodiment of the present invention, a heat medium diverter box 11 is fixedly connected to the bottom outer surface of the heat exchange box 1, a slag water inlet pipe and a heat medium outlet pipe are fixedly connected to the left outer surface of the slag water diverter box 3, and the slag water enters the slag water diverter box 3 from the slag water inlet pipe. A plurality of partition plates 12 are arranged on the inner surface of the heat exchange box 1, and the partition plate 12 includes two heat transfer plates 13, a heat medium flow channel 14 is formed between the two heat transfer plates 13, and a slag water flow channel 15 is formed between the two partition plates 12. The slag water flows from the slag water flow channel 15 from top to bottom in the slag water flow channel 15. The right outer surface of the heat medium diverter box 11 is fixedly connected to the slag water drain pipe and the heat medium inlet pipe. The heat medium enters from the heat medium inlet pipe and passes through the heat medium flow channel 14. The interior of the heat medium diverter box 11 is provided with a plurality of baffles 17. The baffles 17 inside the slag flushing water diverter box 3 and the baffles 17 inside the heat medium diverter box 11 are arranged alternately, and the baffles 17 are used for stratification. The heat medium and the slag flushing water exchange heat, and the heat medium and the slag flushing water are discharged through the heat medium outlet pipe and the slag flushing water drain pipe. The bottom outer surface of the heat medium diverter box 11 is fixedly connected with a plurality of slag collecting pipes 16, and the outer surfaces of the plurality of slag collecting pipes 16 are all threadedly connected with pipe covers. There is no contact point on the slag flushing water flow channel 15 side of the heat transfer plate 13. Due to the influence of their own gravity, debris such as slag particles will settle to the bottom of the heat medium diverter box 11 and fall into the corresponding slag collecting pipe 16. The impurities inside the slag collecting pipe 16 are cleaned by opening the pipe cover inside the slag collecting pipe 16.

[0036] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A slag flushing water heat exchanger, characterized in that: include: A heat exchange box (1) and a box cover (2); the top of the heat exchange box (1) is connected to a slag flushing water distribution box (3); a fixing assembly is installed at each of the four corners of the outer wall of the slag flushing water distribution box (3); a plug rod (4) is inserted into the fixing assembly; the plug rod (4) is a cylindrical structure; a limiting groove (5) is provided inwardly on the side wall of the plug rod (4); a limiting rod (6) in the fixing assembly is inserted into the limiting groove (5); The limiting groove (5) comprises a square portion, a cylindrical portion and a fan-shaped portion; the cylindrical portion extends from the outer wall of the insertion rod (4) to the center of the insertion rod (4); two fan-shaped portions are symmetrically arranged about the center of the cylindrical portion, and the fan-shaped portions are formed at the center of the insertion rod (4); the square portions are symmetrically arranged on both sides of the cylindrical portion, and the inner cavity of the square portion is connected to the fan-shaped portion.

2. A slag flushing water heat exchanger according to claim 1, characterized in that: Four fixing components are provided, and every two fixing components are connected by a connecting rod (7); the connecting rod (7) is a "U"-shaped structure, and a limiting rod (6) is rotatably installed at each end of the connecting rod (7); the limiting rod (6) is inserted into the side wall of the fixing box (8), and the insertion rod (4) is vertically inserted into the top end of the fixing box (8), and the bottom end of the insertion rod (4) is in contact with the bottom surface of the inner cavity of the fixing box (8).

3. A slag flushing water heat exchanger according to claim 2, characterized in that: The limiting rod (6) comprises a connecting portion, an extending portion and an inserting portion; the connecting portion is rotatably mounted on the end of the connecting rod (7), and the connecting portion passes through the side wall of the fixed box (8); the extending portion is placed in the fixed box (8); one end of the extending portion is fixedly connected to the connecting portion, and the other end of the extending portion is fixedly connected to the inserting portion; the inserting portion is a cylindrical structure, and two centrally symmetrical inserting pieces (10) are fixedly mounted at both ends of the inserting portion; the inserting piece (10) is inserted into the fan-shaped portion through the square portion.

4. A slag flushing water heat exchanger according to claim 3, characterized in that: A retaining ring (9) is fixedly formed on the extension portion.

5. The slag flushing water heat exchanger according to claim 1, characterized in that: The sector portion is a sector area with a central angle of 30-40 degrees.

6. The slag flushing water heat exchanger according to claim 1, characterized in that: The outer surface of the bottom of the heat exchange box (1) is fixedly connected to a heat medium diverter box (11), and one side of the slag flushing water diverter box (3) is fixedly connected to a slag flushing water inlet pipe and a heat medium outlet pipe; the inner surface of the heat exchange box (1) is provided with a plurality of partition plates (12), the partition plates (12) include two heat transfer plates (13), a heat medium flow channel (14) is formed between the two heat transfer plates (13), and a slag flushing water flow channel (15) is formed between the two partition plates (12); the bottom of the heat medium diverter box (11) is fixedly connected to a plurality of slag collecting pipes (16), and the side of the heat medium diverter box (11) opposite to the slag flushing water inlet pipe connected to the slag flushing water diverter box (3) is fixedly connected to a slag flushing water outlet pipe and a heat medium inlet pipe.

7. A slag flushing water heat exchanger according to claim 6, characterized in that: A plurality of baffles (17) are installed in the slag flushing water diverter box (3) and the heat medium diverter box (11), and the baffles in the slag flushing water diverter box (3) and the heat medium diverter box (11) are arranged in a staggered manner.

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