Combined plate-type air preheater

Abstract

The utility model discloses a combined type plate-type air preheater, and particularly relates to the technical field of air preheaters, the combined type plate-type air preheater comprises an outer shell, a sliding rail is fixedly installed on one side of the outer surface of the outer shell, a rack is movably connected in the sliding rail, a supporting plate is fixedly installed on the outer surface of the outer shell and located on one side of the sliding rail, and the rack is movably connected in the supporting plate. And rotating rods are movably mounted on the top surfaces of the supporting plates. According to the combined plate-type air preheater, in actual work, the motor drives one of the rotating rods to rotate so that the two rotating rods can drive the two sector gears to rotate, when one sector gear rotates to be meshed with the rack, the rack can be pushed to move towards one side, and therefore the combined plate-type air preheater is driven to rotate. And when the other sector gear rotates to be meshed with the rack, the rack can be pushed to move towards the opposite side, and then the rack can reciprocate to drive the brush plate to reciprocate, so that solid particles attached to the surfaces of the cooling fins can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of air preheaters, in particular to a combined plate-type air preheater. Background Art

[0002] Air preheater is a heating surface where the flue gas in the tail flue of the boiler preheats the air before entering the boiler to a certain temperature through the internal heat sink. It is a device used to improve the heat exchange performance of the boiler and reduce energy consumption. Air preheaters are generally divided into three types: plate type, rotary type and tube type.

[0003] After searching, for example, the utility model with application number 201720348698.5 discloses a plate-type air preheater, including a rectangular outer shell, the top and bottom of the outer shell are respectively provided with an outlet and an inlet connected to its inner cavity, and the inner cavity of the outer shell is divided into a flue gas channel and an air channel by a baffle plate arranged therein. The medium flowing through the plate-type air preheater is often mixed with solid particles such as dust. During operation, the solid particles in the medium will adhere to the surface of the plate, reducing the heat transfer effect of the equipment, and the utility model is not convenient for cleaning the solid particles attached to the surface of the plate. Therefore, in order to solve the above defects, the inventor proposes a combined plate-type air preheater. Utility Model Content

[0004] The main purpose of the utility model is to provide a combined plate-type air preheater, which can effectively solve the problem of inconvenience in cleaning solid particles attached to the surface of the plate.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The combined plate-type air preheater comprises an outer shell, a smoke inlet pipe is fixedly mounted on the top of the outer surface of the outer shell, a smoke outlet pipe is fixedly mounted on the bottom of the outer surface of the outer shell, an air outlet pipe is fixedly mounted on one side of the outer surface of the outer shell, and an air inlet pipe is fixedly mounted on the other side of the outer surface of the outer shell, an air inlet head is fixedly mounted on one end of the air inlet pipe, a filter box is fixedly mounted on one end of the smoke inlet pipe, and a heat sink is arranged inside the outer shell;

[0007] A slide rail is fixedly installed on one side of the outer surface of the outer shell body, and a rack is movably connected inside the slide rail. A support plate is fixedly installed on the outer surface of the outer shell body at one side of the slide rail, and a rotating rod is movably installed on the top surface of the support plate. Fan gears are fixedly installed on the top of the outer surfaces of the two rotating rods, and pulleys are fixedly installed on the bottom of the outer surfaces of the two rotating rods. Belts are commonly provided on the outer surfaces of the two pulleys, a motor is fixedly installed on one side of the bottom surface of the support plate, and the output end of the motor is fixedly connected to one of the rotating rods, a connecting rod is fixedly installed on one side of the rack, and a brush plate is fixedly installed on the end of the connecting rod away from the rack.

[0008] Preferably, a filter plate is fixedly mounted on one side of the interior of the filter box, a liquid storage box is fixedly mounted on the outer top surface of the filter box, and a connecting tube is fixedly connected between the liquid storage box and the filter box, an electric push rod is fixedly mounted on the outer top surface of the filter box, and a piston plate is fixedly mounted on the output end of the electric push rod, and a liquid outlet pipe is fixedly mounted on the outer bottom surface of the filter box.

[0009] Preferably, a liquid inlet pipe is fixedly mounted on one side of the outer top surface of the liquid storage box.

[0010] Preferably, a suction fan is provided inside the air intake head, a filter cover is provided on the outer surface of the air intake head, a plurality of limit holes are provided on the outer surface of the filter cover, a plurality of limit sleeves are fixedly installed on the outer surface of the air intake head, a first spring is fixedly installed inside the limit sleeve, and a limit rod is fixedly installed on one end of the first spring.

[0011] Preferably, a plurality of filter holes are provided on one side of the outer surface of the filter cover.

[0012] Preferably, the heat sink comprises a heat sink and a mounting frame, a plurality of second springs are fixedly mounted on both sides of the mounting frame, and a fixing frame is fixedly mounted on one end of the second spring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a combined plate-type air preheater. By setting an outer shell, in actual work, a motor drives one of the rotating rods to rotate, and cooperates with a belt to rotate two pulleys, so that the two rotating rods drive two sector gears to rotate. When one of the sector gears rotates to mesh with a rack, the rack can be pushed to move to one side, and when the other sector gear rotates to mesh with the rack, the rack can be pushed to move to the opposite side, thereby making the rack reciprocate to drive the brush plate to reciprocate, thereby facilitating the cleaning of solid particles attached to the surface of the heat sink. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the outer shell of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the filter box of the utility model;

[0018] Figure 4 This is a schematic diagram of the air intake head structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the heat dissipation plate structure of the utility model.

[0020] In the figure: 1, outer shell; 2, air outlet pipe; 3, smoke outlet pipe; 4, air inlet pipe; 5, air inlet head; 6, smoke inlet pipe; 7, filter box; 8, heat sink; 101, slide rail; 102, rack; 103, rotating rod; 104, fan gear; 105, pulley; 106, belt; 107, motor; 108, connecting rod; 109, brush plate; 110, support plate; 701, filter plate; 702, liquid storage box; 703, connecting pipe; 704, electric push rod; 705, piston plate; 706, liquid outlet pipe; 501, filter cover; 502, limit hole; 503, limit sleeve; 504, first spring; 505, limit rod; 506, suction fan; 801, mounting bracket; 802, second spring; 803, fixing frame; 804, heat sink. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] The utility model discloses a combined plate-type air preheater, such as Figure 1-Figure 5 As shown, it includes an outer shell 1 , and a smoke inlet pipe 6 is fixedly installed on the top of the outer surface of the outer shell 1 , and the smoke generated by the boiler can enter the outer shell 1 through the smoke inlet pipe 6 .

[0023] Moreover, a smoke outlet pipe 3 is fixedly installed at the bottom of the outer surface of the outer shell 1 , and the smoke after cooling can be discharged through the smoke outlet pipe 3 .

[0024] An air outlet pipe 2 is fixedly installed on one side of the outer surface of the outer shell 1, and an air inlet pipe 4 is fixedly installed on the other side of the outer surface of the outer shell 1. External air can enter the outer shell 1 through the air inlet pipe 4, and the preheated air will enter the boiler again through the air outlet pipe 2.

[0025] An air intake head 5 is fixedly mounted on one end of the air intake pipe 4 , a filter box 7 is fixedly mounted on one end of the smoke intake pipe 6 , and a heat sink 8 is arranged inside the outer shell 1 .

[0026] A slide rail 101 is fixedly mounted on one side of the outer surface of the outer shell 1 , and a rack 102 is movably connected inside the slide rail 101 , and the rack 102 can move along the slide rail 101 .

[0027] A support plate 110 is fixedly installed on the outer surface of the outer shell 1 on one side of the slide rail 101, and a rotating rod 103 is movably installed on the top surface of the support plate 110. Fan gears 104 are fixedly installed on the top of the outer surfaces of the two rotating rods 103. When the rotating rod 103 rotates, the fan gear 104 can be driven to rotate.

[0028] Moreover, pulleys 105 are fixedly installed on the bottom of the outer surfaces of the two rotating rods 103. The outer surfaces of the two pulleys 105 are jointly provided with belts 106. When one of the rotating rods 103 rotates, the other rotating rod 103 can be driven to rotate through the belt 106 and the pulley 105.

[0029] A motor 107 is fixedly mounted on one side of the bottom surface of the support plate 110 , and an output end of the motor 107 is fixedly connected to one of the rotating rods 103 , so that the motor 107 can drive one of the rotating rods 103 to rotate.

[0030] A connecting rod 108 is fixedly installed on one side of the rack 102, and a brush plate 109 is fixedly installed on one end of the connecting rod 108 away from the rack 102. When the rack 102 moves, it can drive the connecting rod 108 to move, so that the brush plate 109 can move, and the brush plate 109 can clean the heat sink 804.

[0031] A filter plate 701 is fixedly installed on one side of the interior of the filter box 7, a liquid storage box 702 is fixedly installed on the outer top surface of the filter box 7, and a connecting pipe 703 is fixedly connected between the liquid storage box 702 and the filter box 7, an electric push rod 704 is fixedly installed on the outer top surface of the filter box 7, and a piston plate 705 is fixedly installed on the output end of the electric push rod 704, and a liquid outlet pipe 706 is fixedly installed on the outer bottom surface of the filter box 7. When smoke enters the filter box 7, the filter plate 701 can filter it, and the electric push rod 704 pushes the piston plate 705 to move, so that the liquid in the liquid storage box 702 is sprayed into the filter box 7 through the connecting pipe 703, so as to reduce the number of solid particles contained in the smoke.

[0032] A suction fan 506 is disposed inside the air inlet head 5 . When the suction fan 506 rotates, external air can be transferred into the outer shell 1 .

[0033] A filter cover 501 is provided on the outer surface of the air inlet head 5, and a plurality of limiting holes 502 are provided on the outer surface of the filter cover 501. A plurality of limiting sleeves 503 are fixedly installed on the outer surface of the air inlet head 5, and a first spring 504 is fixedly installed inside the limiting sleeve 503. A limiting rod 505 is fixedly installed at one end of the first spring 504. The limiting rod 505 is pressed to retract into the limiting sleeve 503, and then the filter cover 501 is put on one side of the air inlet head 5, and the limiting rod 505 is loosened. Under the action of the first spring 504, the limiting rod 505 can be inserted into the limiting hole 502.

[0034] The heat sink 8 includes a heat sink 804 and a mounting frame 801. A plurality of second springs 802 are fixedly installed on both sides of the mounting frame 801. A fixing frame 803 is fixedly installed on one end of the second spring 802. The heat sink 804 is placed between two opposite fixing frames 803 to complete the installation of the heat sink 804, thereby facilitating the adjustment of the number of the heat sink 804 so as to facilitate the combination of the heat sink 804.

[0035] The working principle of the utility model is as follows: the smoke filtered by the filter box 7 enters the outer shell 1 through the smoke inlet pipe 6, contacts with a plurality of heat sinks 804, conducts heat to the heat sinks 804, and then discharges the smoke through the smoke outlet pipe 3, and starts the suction fan 506 to transmit the external air to the outer shell 1, and the heat sink 804 can preheat it, and the preheated air can be discharged through the exhaust pipe 2. When it is necessary to clean the surface of the heat sink 804, start the motor 107, and the motor 107 drives one of the rotating rods 103 to rotate, and cooperates with the belt 106, the two pulleys 105 can be rotated, so that the two rotating rods 103 drive the two sector gears 104 to rotate, and when one of the sector gears 104 rotates to mesh with the rack 102, the rack 102 can be pushed to move to one side, and when the other sector gear 104 rotates to mesh with the rack 102, the rack 102 can be moved to the opposite side, so that the rack 102 can reciprocate to drive the brush plate 109 to reciprocate, thereby facilitating the cleaning of solid particles attached to the surface of the heat sink 804.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A combined plate-type air preheater, comprising an outer shell (1), characterized in that: A smoke inlet pipe (6) is fixedly mounted on the top of the outer surface of the outer shell (1), and a smoke outlet pipe (3) is fixedly mounted on the bottom of the outer surface of the outer shell (1); an air outlet pipe (2) is fixedly mounted on one side of the outer surface of the outer shell (1), and an air inlet pipe (4) is fixedly mounted on the other side of the outer surface of the outer shell (1); an air inlet head (5) is fixedly mounted on one end of the air inlet pipe (4); a filter box (7) is fixedly mounted on one end of the smoke inlet pipe (6); and a heat sink (8) is provided inside the outer shell (1); A slide rail (101) is fixedly mounted on one side of the outer surface of the outer shell (1), and a rack (102) is movably connected inside the slide rail (101). A support plate (110) is fixedly mounted on the outer surface of the outer shell (1) on one side of the slide rail (101), and a rotating rod (103) is movably mounted on the top surface of each of the support plates (110). A sector gear (104) is fixedly mounted on the top of the outer surfaces of the two rotating rods (103), and a pulley (105) is fixedly mounted on the bottom of the outer surfaces of the two rotating rods (103). The outer surfaces of the two pulleys (105) are provided with a belt (106) in common. A motor (107) is fixedly mounted on one side of the bottom surface of the support plate (110), and the output end of the motor (107) is fixedly connected to one of the rotating rods (103). A connecting rod (108) is fixedly mounted on one side of the rack (102), and a brush plate (109) is fixedly mounted on the end of the connecting rod (108) away from the rack (102).

2. The combined plate air preheater according to claim 1, characterized in that: A filter plate (701) is fixedly mounted on one side of the interior of the filter box (7), a liquid storage box (702) is fixedly mounted on the outer top surface of the filter box (7), and a connecting pipe (703) is fixedly connected between the liquid storage box (702) and the filter box (7), an electric push rod (704) is fixedly mounted on the outer top surface of the filter box (7), and a piston plate (705) is fixedly mounted on the output end of the electric push rod (704), and a liquid outlet pipe (706) is fixedly mounted on the outer bottom surface of the filter box (7).

3. The combined plate air preheater according to claim 2, characterized in that: A liquid inlet pipe is fixedly mounted on one side of the outer top surface of the liquid storage box (702).

4. The combined plate air preheater according to claim 1, characterized in that: A suction fan (506) is provided inside the air intake head (5), a filter cover (501) is provided on the outer surface of the air intake head (5), a plurality of limiting holes (502) are provided on the outer surface of the filter cover (501), a plurality of limiting sleeves (503) are fixedly mounted on the outer surface of the air intake head (5), a first spring (504) is fixedly mounted inside the limiting sleeve (503), and a limiting rod (505) is fixedly mounted on one end of the first spring (504).

5. The combined plate air preheater according to claim 4, characterized in that: A plurality of filter holes are provided on one side of the outer surface of the filter cover (501).

6. The combined plate air preheater according to claim 1, characterized in that: The heat sink (8) comprises a heat sink (804) and a mounting frame (801), a plurality of second springs (802) are fixedly mounted on both sides of the interior of the mounting frame (801), and a fixing frame (803) is fixedly mounted on one end of the second spring (802).

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