Economizer convenient to weld

Abstract

The utility model discloses a coal economizer convenient to weld, which comprises a first fixing plate, a sealing block is arranged on one side of the first fixing plate, a hollow cabinet body is arranged on one side of the sealing block, a smoke exhaust pipe is arranged on one side of the hollow cabinet body, and a smoke inlet pipe is arranged on the other side of the hollow cabinet body. And fixing mechanisms are arranged on the two sides of the smoke inlet pipe correspondingly, and an activated carbon filtering frame is installed in the smoke inlet pipe. An adjusting rod is screwed to drive a movable plate to do horizontal motion, then a fixed rod is driven to do synchronous horizontal motion, the fixed rod is inserted into a fixed groove, through the operation, an activated carbon filtering frame is conveniently installed in a smoke inlet pipe, smoke entering the hollow cabinet body is conveniently filtered, and the filtering efficiency is improved. Therefore, the influence of impurities in the flue gas on the coil pipe is avoided, so that the waste heat absorption efficiency of the coil pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of economizers, in particular to an economizer which is convenient to weld. Background Art

[0002] Economizer is made of multiple steel plates and various pipes welded together. It is mainly installed at the bottom of the flue at the tail of the boiler to recover the waste heat of the exhaust gas. It absorbs the heat of high-temperature flue gas, reduces the exhaust temperature of the flue gas, saves energy and improves efficiency, so it is called economizer.

[0003] In an economizer with publication number CN212511057U, it involves the technical field of boiler tail gas treatment, including a first fixed plate and a second fixed plate, a hollow rectangular body is fixedly installed between the first fixed plate and the second fixed plate, a first support column is fixedly installed at the bottom of the first fixed plate, a first base is fixedly installed at the bottom end of the first support column, and a second support column is fixedly installed at the bottom of the second fixed plate. In the economizer described in the utility model, when a leak occurs, water falls into the hollow quadrangular pyramid, and then passes through the through hole opened in the middle of the insulation plug into the interior of the hollow cylinder, and drips onto the heat-conducting partition, and the heat it carries is transferred via the heat-conducting partition The temperature switch is led to, and the temperature rise causes the temperature switch to close automatically. The power supply provides power to the buzzer, and the buzzer makes a sound, so as to quickly give a leakage warning when the leakage is in the initial stage, avoid causing greater losses, and bring better use prospects. The above-mentioned existing technology has the following defects when used: When the above-mentioned existing technology is used, the flue gas directly enters the interior of the hollow cabinet through the flue gas entry pipe, but in actual use, impurities in the flue gas will enter the interior of the hollow cabinet along with the flue gas entry pipe, thereby forming a solid package on the surface of the coil, which in turn affects the efficiency of the water flow inside the economizer in absorbing the waste heat of the flue gas, reducing the utilization rate of thermal energy. Utility Model Content

[0004] The utility model aims to provide a conveniently welded economizer, so as to solve the problem that the existing conveniently welded economizer proposed in the above background technology is inconvenient to filter impurities in the flue gas during use.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a coal economizer that is easy to weld, comprising a first fixing plate, a sealing block is installed on one side of the first fixing plate, and a hollow cabinet is installed on one side of the sealing block, a smoke exhaust pipe is installed on one side of the hollow cabinet, a smoke inlet pipe is installed on the other side of the hollow cabinet, and fixing mechanisms are provided on both sides of the smoke inlet pipe, an activated carbon filter frame is installed inside the smoke inlet pipe, and a first filter plate is installed inside the activated carbon filter frame, a second filter plate is installed inside the activated carbon filter frame on one side of the first filter plate, a second fixing plate is installed on one side of the hollow cabinet, a coil is installed inside the hollow cabinet, and a connecting port is installed on one side of the coil, an adjusting mechanism is provided on one side of the inside of the hollow cabinet, a guide rod is installed on the other side of the inside of the hollow cabinet, and a guide block is sleeved on the outer side of the guide rod, and a push plate is installed on the bottom end of the guide block.

[0006] When using an economizer that is easy to weld according to the technical solution, when in use, the flue gas entering the hollow cabinet can be filtered by setting a fixing mechanism in cooperation with the activated carbon filter frame and the first filter plate and the second filter plate, thereby preventing impurities contained in the flue gas from wrapping around the coil, thereby improving the efficiency of the coil in absorbing waste heat in the flue gas.

[0007] Preferably, the adjustment mechanism includes an adjustment shaft, and the adjustment shaft is arranged inside the hollow cabinet body, an adjustment block is sleeved on the outer side of the adjustment shaft, a guide groove is arranged on the outer side of the adjustment block, and the guide groove is arranged inside the hollow cabinet body, and a movable plate is installed on the top of the adjustment block.

[0008] Preferably, the adjusting block slides inside the guide groove, and the movable plate is slidably connected to the hollow cabinet through the adjusting block and the guide groove.

[0009] Preferably, the fixing mechanism includes an adjusting rod, and the adjusting rod is arranged inside the smoke inlet pipe, a movable plate is sleeved on the outer side of the adjusting rod, and a fixing rod is installed on one side of the movable plate, a fixing groove is arranged on the outer side of the fixing rod, and the fixing groove is arranged inside the activated carbon filter frame, and a rotating block is installed at one end of the adjusting rod.

[0010] Preferably, two movable plates are provided, and the two movable plates are symmetrically distributed.

[0011] Preferably, two groups of fixing rods are provided, each group of fixing rods is provided with two fixing rods, and the cross-sections of the fixing rods in the two groups are circular.

[0012] Preferably, the cross section of the sealing block is rectangular, and the sealing block is made of rubber.

[0013] Preferably, the second filter plate is made of metal, and the cross-section of the second filter plate is circular.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the conveniently welded economizer not only has a filtering effect, but also facilitates the staff to quickly perform maintenance;

[0015] 1. By screwing the adjusting rod, the movable plate is driven to move horizontally, and then the fixing rod is driven to move horizontally synchronously, so that the fixing rod is inserted into the fixing groove. Through the above operation, the activated carbon filter frame is conveniently installed inside the smoke inlet pipe, so as to facilitate filtering the smoke entering the hollow cabinet, and then avoid the influence of impurities in the smoke on the coil, so as to improve the efficiency of the coil waste heat absorption;

[0016] By providing the second filter plate, most of the impurity particles in the flue gas can be filtered out on the first filter plate. At the same time, by providing the activated carbon filter frame, the impurity particles remaining in the flue gas can be further adsorbed, which greatly reduces the impurity content in the flue gas, thereby increasing the service life of the activated carbon filter frame and further improving the waste heat absorption performance;

[0017] By screwing the movable plate, the fixed rod is driven to move horizontally under the action of the movable plate, so that the fixed rod is withdrawn from the limit range of the fixed groove and retracted into the interior of the smoke pipe. Through the above operation, the activated carbon filter frame can be easily removed to clean or replace it, thereby improving its effect of filtering impurities in the smoke;

[0018] By screwing the adjusting shaft, the adjusting block is driven to move horizontally under the action of the guide groove, thereby driving the movable plate to move horizontally synchronously, and the movable plate pushes the first fixed plate to move horizontally synchronously while the movable plate moves horizontally, so that it is convenient for the staff to push the coil out of the hollow cabinet and perform maintenance on it, and the above operation improves its practicality;

[0019] By sliding the guide block on the guide rod, on the one hand, the moving first fixed plate can be limited to avoid positional deviation during the movement, thereby affecting subsequent inspection and maintenance; on the other hand, the moving first fixed plate can be guided to make its movement more stable and avoid bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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 or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1This is a schematic diagram of the main three-dimensional cross-sectional structure of the utility model;

[0022] Figure 2 It is a top view of the three-dimensional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of a three-dimensional cross-sectional structure of a smoke inlet pipe of the utility model when viewed from above;

[0024] Figure 4 It is a schematic diagram of the explosion structure of the utility model;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the fixing mechanism of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. first fixed plate; 2. connecting port; 3. push plate; 4. guide rod; 5. guide block; 6. second fixed plate; 7. coil; 8. hollow cabinet; 9. adjusting mechanism; 901. adjusting shaft; 902. adjusting block; 903. movable plate; 904. guide groove; 10. sealing block; 11. smoke exhaust pipe; 12. smoke inlet pipe; 13. activated carbon filter frame; 14. first filter plate; 15. second filter plate; 16. fixing mechanism; 1601. fixing groove; 1602. adjusting rod; 1603. movable plate; 1604. fixing rod; 1605. rotating block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0028] See also Figure 1-Figure 5 , the utility model provides the following technical solutions:

[0029] Embodiment 1: In order to solve the problem that the economizer in the prior art does not filter impurities in the flue gas when in use, the following solution is disclosed. For details, please refer to Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, it includes a first fixing plate 1, a sealing block 10 is installed on one side of the first fixing plate 1, the cross section of the sealing block 10 is rectangular, the sealing block 10 is made of rubber material, and a hollow cabinet 8 is installed on one side of the sealing block 10, a smoke exhaust pipe 11 is installed on one side of the hollow cabinet 8, and a smoke inlet pipe 12 is installed on the other side of the hollow cabinet 8, and a fixing mechanism 16 is arranged on both sides of the smoke inlet pipe 12, and the fixing mechanism 16 includes an adjusting rod 1602, and the adjusting rod 1602 is arranged inside the smoke inlet pipe 12, and the outer side of the adjusting rod 1602 A movable plate 1603 is sleeved on the side, and a fixed rod 1604 is installed on one side of the movable plate 1603. A fixed groove 1601 is arranged on the outer side of the fixed rod 1604, and the fixed groove 1601 is arranged inside the activated carbon filter frame 13. A rotating block 1605 is installed on one end of the adjusting rod 1602. Two movable plates 1603 are arranged, and the two movable plates 1603 are symmetrically distributed. Two groups of fixed rods 1604 are arranged, and each group of fixed rods 1604 is arranged with two fixed rods, and the cross-sections of the two groups of fixed rods 1604 are circular.

[0030] In the present embodiment, when in use, the activated carbon filter frame 13 is inserted into the interior of the smoke inlet pipe 12 to make it reach the specified position, and then the adjusting rod 1602 is screwed with the cooperation of the rotating block 1605 to drive the movable plate 1603 to make horizontal movement. While the movable plate 1603 makes horizontal movement, it drives the fixing rod 1604 to make synchronous horizontal movement until the fixing rod 1604 is inserted into the interior of the fixing groove 1601, so as to facilitate fixing the activated carbon filter frame 13 in the interior of the smoke inlet pipe 12. When in use, the second filter plate 15 can be provided to preliminarily filter larger impurity particles in the smoke, and under the action of the first filter plate 14, smaller impurity particles in the smoke can be further filtered, and with the cooperation of the activated carbon filter frame 13, residual impurities can be adsorbed, thereby reducing the influence of impurities on the activated carbon filter frame 13, and then improving the efficiency of the activated carbon filter frame 13 in absorbing residual heat in the smoke.

[0031] Embodiment 2: In this embodiment, unlike Embodiment 1, the device can be quickly inspected and maintained when not in use. Figure 1 , Figure 2 and Figure 4As shown, an activated carbon filter frame 13 is installed inside the smoke inlet pipe 12, and a first filter plate 14 is installed inside the activated carbon filter frame 13, and a second filter plate 15 is installed inside the activated carbon filter frame 13 on one side of the first filter plate 14. The material of the second filter plate 15 is metal material, and the cross-section of the second filter plate 15 is circular. A second fixing plate 6 is installed on one side of the hollow cabinet 8, and a coil 7 is installed inside the hollow cabinet 8, and a connecting port 2 is installed on one side of the coil 7. An adjusting mechanism 9 is provided on one side of the hollow cabinet 8, and the adjusting mechanism 9 includes an adjusting shaft 901, and the adjusting shaft 902 is provided on one side of the hollow cabinet 8. The shaft 901 is arranged inside the hollow cabinet 8, and an adjusting block 902 is sleeved on the outer side of the adjusting shaft 901. A guide groove 904 is arranged on the outer side of the adjusting block 902, and the guide groove 904 is arranged inside the hollow cabinet 8. A movable plate 903 is installed on the top of the adjusting block 902, and the adjusting block 902 slides inside the guide groove 904. The movable plate 903 is slidably connected to the hollow cabinet 8 through the adjusting block 902 and the guide groove 904. A guide rod 4 is installed on the other side of the hollow cabinet 8, and a guide block 5 is sleeved on the outer side of the guide rod 4, and a push plate 3 is installed on the bottom end of the guide block 5.

[0032] In this embodiment, when in use, the adjusting shaft 901 is screwed to make the adjusting block 902 slide inside the guide groove 904. Under the action of the guide groove 904, on the one hand, the moving adjusting block 902 can be limited to avoid its positional deviation. On the other hand, the moving adjusting block 902 can also be guided, so that the movement of the adjusting block 902 is more stable. While the adjusting block 902 moves horizontally, it drives the moving plate 903 to make synchronous horizontal movement. With the cooperation of the push plate 3, the guide rod 4 and the guide block 5, it is easy to push the first fixed plate 1 to make horizontal movement. Through the above operation, it is convenient for the staff to quickly inspect and maintain the activated carbon filter frame 13, thereby improving its maintenance efficiency.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A conveniently welded economizer, comprising a first fixing plate (1), characterized in that: A sealing block (10) is installed on one side of the first fixing plate (1), and a hollow cabinet (8) is installed on one side of the sealing block (10); a smoke exhaust pipe (11) is installed on one side of the hollow cabinet (8); a smoke inlet pipe (12) is installed on the other side of the hollow cabinet (8), and fixing mechanisms (16) are provided on both sides of the smoke inlet pipe (12); an activated carbon filter frame (13) is installed inside the smoke inlet pipe (12), and a first filter plate (14) is installed inside the activated carbon filter frame (13); and the first filter plate (14) is installed on one side of the first filter plate (14). A second filter plate (15) is installed inside the activated carbon filter frame (13) on the side, a second fixing plate (6) is installed on one side of the hollow cabinet (8), a coil (7) is installed inside the hollow cabinet (8), and a connection port (2) is installed on one side of the coil (7), an adjustment mechanism (9) is provided on one side of the hollow cabinet (8), a guide rod (4) is installed on the other side of the hollow cabinet (8), and a guide block (5) is sleeved on the outer side of the guide rod (4), and a push plate (3) is installed on the bottom end of the guide block (5).

2. The conveniently welded economizer according to claim 1, characterized in that: The adjustment mechanism (9) comprises an adjustment shaft (901), and the adjustment shaft (901) is arranged inside the hollow cabinet (8); an adjustment block (902) is sleeved on the outer side of the adjustment shaft (901); a guide groove (904) is arranged on the outer side of the adjustment block (902), and the guide groove (904) is arranged inside the hollow cabinet (8); and a moving plate (903) is installed on the top of the adjustment block (902).

3. The conveniently welded economizer according to claim 2, characterized in that: The adjusting block (902) slides inside the guide groove (904), and the movable plate (903) is slidably connected to the hollow cabinet (8) via the adjusting block (902) and the guide groove (904).

4. The conveniently welded economizer according to claim 1, characterized in that: The fixing mechanism (16) comprises an adjusting rod (1602), and the adjusting rod (1602) is arranged inside the smoke inlet pipe (12), a movable plate (1603) is sleeved on the outer side of the adjusting rod (1602), and a fixing rod (1604) is installed on one side of the movable plate (1603), a fixing groove (1601) is arranged on the outer side of the fixing rod (1604), and the fixing groove (1601) is arranged inside the activated carbon filter frame (13), and a rotating block (1605) is installed on one end of the adjusting rod (1602).

5. The conveniently welded economizer according to claim 4, characterized in that: Two movable plates (1603) are provided, and the two movable plates (1603) are symmetrically distributed.

6. The conveniently welded economizer according to claim 4, characterized in that: Two groups of the fixing rods (1604) are provided, each group of the fixing rods (1604) is provided with two fixing rods, and the cross-sections of the two groups of fixing rods (1604) are both circular.

7. The conveniently welded economizer according to claim 1, characterized in that: The cross section of the sealing block (10) is rectangular, and the sealing block (10) is made of rubber.

8. The conveniently welded economizer according to claim 1, characterized in that: The second filter plate (15) is made of metal, and the cross-section of the second filter plate (15) is circular.

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