Circulating tower type boiler with directional heat absorption function

Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a circulating tower type boiler with a directional heat absorption function, which comprises a supporting steel frame, a control platform is fixedly arranged on the outer wall of the supporting steel frame, a coal bin is fixedly arranged at the top of the supporting steel frame, and a heat absorption device is arranged on the coal bin. The bottom of the coal bin communicates with a tower type boiler through a conveying pipe, and the tower type boiler is fixedly installed on the top of the supporting steel frame. A motor is arranged to drive an adjusting arm to rotate, and a connecting sliding rod slides in an arc-shaped sliding hole, so that flexible adjustment of an L-shaped mounting plate and a heat absorbing plate on the L-shaped mounting plate is achieved, the heat absorbing plate can be accurately adjusted according to the combustion condition and heat distribution, heat is absorbed and utilized to the maximum extent, and the combustion efficiency is improved. The fixing column and the supporting long plate are matched to provide stable support for the adjusting arm and the connecting long plate, the stability and reliability of the whole structure in the adjusting process are guaranteed, and the effect of improving the heat efficiency of the boiler is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to advanced manufacturing and automation technical field, concretely is a kind of circulating tower type boiler with directional heat absorption function. BACKGROUND

[0002] Tower type boiler, also known as single flue boiler, its structural features are that all the convection heating surfaces are arranged in the flue above the combustion chamber, and develop straight upward. Tower type boiler cancels the turning chamber, so that the flue gas does not change the flow direction in the convection heating surface, and eliminates the layout contradiction that the height of the combustion chamber and the height of the tail flue are not commensurate. This structure makes the tower type boiler become the best boiler type for burning lignite or multi-ash smoke, lean coal boiler. In addition, the tower type boiler flue has the function of self-ventilation, and the flue gas resistance is reduced. Tower type boiler is often used for low circulation ratio boiler and once-through boiler under subcritical and above pressure, and its land occupation is relatively small, the heating surface temperature thermal stress and expansion stress are uniform, and the anti-abrasion performance is better than other types of boilers.

[0003] The traditional circulating tower type boiler mainly generates heat energy through the combustion of coal, and transfers the heat energy to the working medium through a series of heat exchange equipment, so as to generate steam or hot water for power generation or heating. However, the traditional boiler still has some deficiencies in heat absorption efficiency and heat energy utilization, in order to improve the heat absorption efficiency and heat energy utilization of the boiler, directional heat absorption technology is considered as a potential solution, so that the heat absorption surface can more effectively capture and utilize the heat energy generated by combustion, so as to improve the overall thermal efficiency of the boiler, therefore, it is necessary to design a circulating tower type boiler with directional heat absorption function. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a circulating tower type boiler with directional heat absorption function to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: A circulating tower type boiler with directional heat absorption function, including support steel frame, the outer wall fixed mounting of support steel frame has control platform, the top fixed mounting of support steel frame has coal bunker, the bottom of coal bunker is connected with tower type boiler through the transport pipe, and tower type boiler is fixedly installed at the top of support steel frame and is located at the side of coal bunker, the side of tower type boiler is connected with transport water pipe, and there are two groups, the outer wall of transport water pipe is connected with water bubble, the other end of transport water pipe is connected with processing device mounting bracket, and the inside of processing device mounting bracket is installed with superheater, coal saving device, air preheater, the side of superheater is connected with cyclone through the connecting pipe, and the bottom of cyclone is connected with discharge pipe, directional adjustment connecting assembly, the inside and outside of tower type boiler are provided with directional adjustment connecting assembly, the inside and outside of tower type boiler are provided with the adjustment site of directional adjustment connecting assembly, the outside of tower type boiler is provided with the connecting site of directional adjustment connecting assembly, and the outside of adjustment site is provided with the connecting site of directional adjustment connecting assembly.

[0006] Preferably, the adjustment site includes: a pot cavity, the pot cavity is arranged in the interior of the tower type boiler; a motor is fixedly installed on the outer wall of the tower type boiler through a support seat; a heat absorption film layer is fixedly installed on the inner wall of the pot cavity; and an adjustment arm is fixedly installed on the output end of the motor through a rotating column.

[0007] Preferably, a fixed column is arranged below the adjustment arm and is fixedly installed on the inner wall of the tower type boiler above the heat absorption film layer; a support long plate is fixedly installed on the other end of the fixed column; and an arc-shaped sliding hole is formed in the outer wall of the support long plate.

[0008] Preferably, a connecting sliding rod is slidably connected in the arc-shaped sliding hole, and one end of the connecting sliding rod is fixedly installed on the other end of the outer wall of the adjustment arm.

[0009] Preferably, the other end of the connecting sliding rod is fixedly connected with a connecting long plate; an L-shaped mounting plate is fixedly installed on the outer wall of the connecting long plate, and there are two groups of L-shaped mounting plates respectively located at the two ends of the connecting long plate; heat absorption plates are fixedly installed on the inner side walls of the L-shaped mounting plates at equal intervals; and a smoke outlet is formed in one side of the heat absorption plates.

[0010] Preferably, the connecting part comprises: semicircular guide plates fixedly installed on the inner wall of the tower type boiler, two groups in total; a connecting smoke exhaust pipe communicatedly arranged in the interior of the smoke exhaust port; and a control valve sleeved on the outer wall of the discharge pipe below the cyclone separator.

[0011] Preferably, the outer wall of the semicircular guide plate is provided with an arc-shaped adjusting sliding hole.

[0012] Preferably, the outer wall of the connecting smoke exhaust pipe is sleeved with a sealing ring, and the sealing ring is arranged on the outer wall of the tower type boiler; the other end of the connecting smoke exhaust pipe is communicatedly arranged on the outer wall of the cyclone separator; the control valve is provided with a backflow pipe in the interior thereof, one end of the backflow pipe is communicatedly arranged on the other end of the discharge pipe, and the other end of the backflow pipe is communicatedly arranged in the interior of the pot cavity.

[0013] The utility model provides a kind of circulating tower type boiler with directional heat absorption function.It has the following beneficial effects.

[0014] (1), the utility model discloses a motor-driven adjusting arm rotation is arranged, in combination with the sliding of connecting slide in arc-shaped sliding hole, the flexible adjustment of L-shaped mounting plate and the heat absorption plate thereon is realized, so that the heat absorption plate can be accurately adjusted according to combustion condition and heat distribution, maximize absorption and utilize heat, cooperate with fixed column and support long plate to provide stable support for adjusting arm and connecting long plate, ensure the stability and reliability of the whole structure during adjustment, reach the effect of improving the thermal efficiency of boiler.

[0015] (2), the utility model discloses a semicircular guide plate is arranged, is firmly installed in the inner wall of boiler by fixed bolt, and the stability of L-shaped mounting plate is enhanced by cooperation with guide slide, guarantees the smooth operation of heat absorption plate during adjustment, so that the adjustment of L-shaped mounting plate is more flexible and convenient, conducive to the maintenance and overhaul work of later period, simultaneously, the smoke exhaust port of one side of heat absorption plate is communicated with connecting smoke exhaust pipe, ensures that flue gas can be smoothly discharged, cooperates sealing ring, effectively prevents flue gas leakage, reaches the effect of enhancing structural stability and improving the sealing performance of boiler. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2The utility model discloses a kind of circulating tower type boiler structure side view with directional heat absorption function.

[0018] Figure 3 The utility model discloses a kind of circulating tower type boiler structure sectional view with directional heat absorption function.

[0019] Figure 4 The utility model discloses a kind of circulating tower type boiler adjusting structure side view with directional heat absorption function.

[0020] In the drawing: 1 support steel frame, 2 control platform, 3 coal bunker, 4 tower type boiler, 41 water pipe, 42 water bubble, 43 processing with device mounting bracket, 44 cyclone separator, 5 directional adjusting connecting assembly, 51 adjusting part, 511 pot cavity, 512 heat absorption film layer, 513 motor, 514 adjusting arm, 515 fixed column, 516 support long plate, 517 arc sliding hole, 518 connecting sliding rod, 519 connecting long plate, 5110 L-shaped mounting plate, 5111 heat absorption plate, 52 connecting part, 521 semicircular guide plate, 522 fixed peg, 523 arc adjusting sliding hole, 524 guide sliding rod, 525 connecting flue, 526 sealing ring, 527 control valve, 528 backflow pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Examples of the described embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0023] Embodiment one:

[0024] The preferred embodiment of the utility model provides a kind of circulating tower type boiler with directional heat absorption function, as shown in Figures 1-4As shown: a circulating tower type boiler with directional heat absorption function, including support steel frame 1, the outer wall of support steel frame 1 is fixedly installed with control platform 2, the top of support steel frame 1 is fixedly installed with coal bunker 3, the bottom of coal bunker 3 is communicated with tower type boiler 4 through the conveying pipe, and the tower type boiler 4 is fixedly installed on the top of support steel frame 1 and located on one side of coal bunker 3, one side of tower type boiler 4 is communicated with conveying water pipe 41, and there are two groups, the outer wall of conveying water pipe 41 is communicated with water bubble 42, the other end of conveying water pipe 41 is communicated with processing device mounting rack 43, and the inside of processing device mounting rack 43 is installed with superheater, coal economizer and air preheater, one side of superheater is communicated with cyclone separator 44 through connecting pipe, and the bottom of cyclone separator 44 is communicated with discharge pipe; directional adjusting connecting assembly 5 is arranged inside and outside tower type boiler 4; directional adjusting connecting assembly 5 comprises: adjusting part 51, adjusting part 51 is arranged inside and outside tower type boiler 4; connecting part 52, connecting part 52 is arranged outside tower type boiler 4, and connecting part 52 is arranged outside adjusting part 51.

[0025] Adjusting part 51 comprises: pot cavity 511, pot cavity 511 is arranged inside tower type boiler 4; motor 513 is fixedly installed on the outer wall of tower type boiler 4 through support seat; heat absorption film layer 512 is fixedly installed on the inner wall of pot cavity 511; the output end of motor 513 is fixedly installed with adjusting arm 514 through rotating column.

[0026] The lower part of adjusting arm 514 is provided with fixed column 515, and the fixed column 515 is fixedly installed on the inner wall of tower type boiler 4 and located above heat absorption film layer 512, the other end of fixed column 515 is fixedly installed with support long plate 516, and arc-shaped sliding hole 517 is formed in the outer wall of support long plate 516.

[0027] The inside of arc-shaped sliding hole 517 is slidably connected with connecting sliding rod 518, and one end of connecting sliding rod 518 is fixedly installed on the other end of adjusting arm 514.

[0028] The other end of connecting sliding rod 518 is fixedly connected with connecting long plate 519, L-shaped mounting plate 5110 is fixedly installed on the outer wall of connecting long plate 519, and there are two groups, which are respectively located at both ends of connecting long plate 519, heat absorption plates 5111 are fixedly installed on the inner side wall of L-shaped mounting plate 5110 at equal intervals, and one side of heat absorption plates 5111 is provided with smoke exhaust port.

[0029] Further, the embodiment drives the adjusting arm 514 to rotate through the motor 513, and realizes flexible adjustment of the L-shaped mounting plate 5110 and the heat absorption plate 5111 thereon in combination with the sliding of the connecting slide rod 518 in the arc-shaped sliding hole 517, so that the heat absorption plate 5111 can be accurately adjusted according to the combustion condition and heat distribution, heat absorption and utilization are maximized, the fixed column 515 and the supporting long plate 516 provide stable support for the adjusting arm 514 and the connecting long plate 519, and the stability and reliability of the whole structure during the adjustment process are ensured.

[0030] Embodiment two:

[0031] On the basis of the embodiment one, the preferable embodiment of the circulating tower type boiler with directional heat absorption function provided by the utility model like Figures 1-4 As shown in the figure: the connecting part 52 comprises: a semicircular guide plate 521, the semicircular guide plate 521 is fixedly installed on the inner wall of the tower type boiler 4, and two are a group, and there are two groups in total; a connecting smoke exhaust pipe 525 is communicatedly arranged in the inside of the smoke exhaust port; a control valve 527 is sleeved on the outer wall of the discharge pipe below the cyclone separator 44; a fixing hole is formed in the outer wall of the semicircular guide plate 521, and a fixing bolt 522 is fixedly installed in the inside of the fixing hole, for fixing the semicircular guide plate 521 and the inner wall of the tower type boiler 4, and an arc-shaped adjusting sliding hole 523 is formed in the outer wall of the semicircular guide plate 521.

[0032] A guide slide rod 524 is slidably connected in the arc-shaped adjusting sliding hole 523, and the other end of the guide slide rod 524 is fixedly connected to the outer wall of the L-shaped mounting plate 5110, two are a group, and there are two groups in total, and they are respectively located at the corners of the L-shaped mounting plate 5110.

[0033] A sealing ring 526 is sleeved on the outer wall of the connecting smoke exhaust pipe 525, and the sealing ring 526 is arranged on the outer wall of the tower type boiler 4, the other end of the connecting smoke exhaust pipe 525 is communicatedly arranged on the outer wall of the cyclone separator 44, a reflux pipe 528 is arranged in the inside of the control valve 527, one end of the reflux pipe 528 is communicatedly arranged on the other end of the discharge pipe, and the other end of the reflux pipe 528 is communicatedly arranged in the inside of the pot cavity 511.

[0034] Further, the embodiment is provided with the semicircular guide plate 521, which is firmly installed on the inner wall of the boiler through the fixing bolt 522, and the stability of the L-shaped mounting plate 5110 is enhanced in cooperation with the guide slide rod 524, the stable operation of the heat absorption plate 5111 during the adjustment process is ensured, the adjustment of the L-shaped mounting plate 5111 is more flexible and convenient, and the maintenance and repair work in the later stage is facilitated, meanwhile, the smoke exhaust port formed on one side of the heat absorption plate 5111 is communicated with the connecting smoke exhaust pipe 525, the smooth exhaust of the flue gas is ensured, and the flue gas leakage is effectively prevented in cooperation with the sealing ring 526.

[0035] In use, the overall structure of the boiler is stably supported by the support steel frame 1, on which the control platform 2 is fixedly installed for monitoring and operation. The coal storage bin 3 is located at the top of the support steel frame 1, stores coal and sends the coal into the tower boiler 4 through the conveying pipe. The tower boiler 4 is the core component for combustion and heat absorption, and is internally provided with a boiler cavity 511, and the inner wall of the boiler cavity is covered with a heat absorption film layer 512 to enhance heat absorption. In operation, firstly, two groups of water conveying pipes 41 convey water into the boiler, and the water preliminarily absorbs heat when flowing through the water bubble 42, and then the water enters the processing device mounting rack 43, and sequentially passes through the superheater, the economizer and the air preheater for heating and preheating to improve energy utilization efficiency. In order to further optimize the heat absorption efficiency, the tower boiler 4 is internally provided with a directional adjustment connecting assembly 5, which comprises an adjustment part 51 and a connecting part 52. Further, the motor 513 drives the adjustment arm 514 to rotate through the rotating column, and the adjustment arm 514 slides in the arc-shaped sliding hole 517 of the support long plate 516 through the connecting slide rod 518, so as to drive the connecting long plate 519 and the heat absorption plate 5111 on the L-shaped mounting plate 5110 to adjust the angle and position, so that the heat absorption plate 5111 can be flexibly adjusted according to the combustion condition and heat distribution, directional heat absorption is realized, and the thermal efficiency is improved. Further, the semicircular guide plate 521 is fixed to the inner wall of the boiler through the fixing bolt 522, and provides guidance and support for the L-shaped mounting plate 5110. The guide slide rod 524 penetrates through the arc-shaped adjustment sliding hole 523 of the semicircular guide plate 521 and is connected with the L-shaped mounting plate 5110, further enhancing the stability of the structure and the flexibility of the adjustment. Then, the flue gas generated by combustion enters the connecting flue gas discharge pipe 525 through the flue gas discharge port on one side of the heat absorption plate 5111, and the sealing ring 526 on the outer wall of the connecting flue gas discharge pipe 525 ensures the sealing property. The flue gas then enters the cyclone separator 44 for separation treatment to remove solid particles. The control valve 527 is sleeved on the outer wall of the discharge pipe below the cyclone separator 44, and by adjusting the control valve 527, the discharge speed and flow of the flue gas can be controlled. The backflow pipe 528 arranged inside the control valve 527 allows part of the flue gas to backflow into the boiler cavity 511, further utilizing the heat therein to improve energy utilization efficiency.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement or improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A circulating tower boiler with directional heat absorption function, comprising a supporting steel frame (1), characterized in that: A control platform (2) is fixedly installed on the outer wall of the supporting steel frame (1). A coal silo (3) is fixedly installed on the top of the supporting steel frame (1). A tower boiler (4) is connected to the bottom of the coal silo (3) through a conveying pipe. The tower boiler (4) is fixedly installed on the top of the supporting steel frame (1) and located on one side of the coal silo (3). A conveying water pipe (41) is connected to one side of the tower boiler (4), and there are two sets of them. A water bubble (42) is connected to the outer wall of the conveying water pipe (41). A processing device mounting frame (43) is connected to the other end of the conveying water pipe (41). A superheater, an economizer, and an air preheater are installed inside the processing device mounting frame (43). A cyclone separator (44) is connected to one side of the superheater through a connecting pipe. A discharge pipe is connected to the bottom of the cyclone separator (44). Directional adjustment connection assembly (5), the directional adjustment connection assembly (5) is disposed inside and outside the tower boiler (4); The directional adjustment connection component (5) includes: Adjustment part (51) is provided inside and outside the tower boiler (4); The connection part (52) is located on the outside of the tower boiler (4) and on the outside of the adjustment part (51).

2. A circulating tower boiler with directional heat absorption function according to claim 1, characterized in that: The adjustment part (51) includes: The boiler cavity (511) is located inside the tower boiler (4); The motor (513) is fixedly mounted on the outer wall of the tower boiler (4) by means of a support base; A heat-absorbing film layer (512) is fixedly installed on the inner wall of the pot cavity (511), and an adjusting arm (514) is fixedly installed on the output end of the motor (513) through a rotating column.

3. A circulating tower boiler with directional heat absorption function according to claim 2, characterized in that: A fixing column (515) is provided below the adjusting arm (514), and the fixing column (515) is fixedly installed on the inner wall of the tower boiler (4), located above the heat absorption film layer (512). A support plate (516) is fixedly installed at the other end of the fixing column (515), and an arc-shaped sliding hole (517) is opened on the outer wall of the support plate (516).

4. A circulating tower boiler with directional heat absorption function according to claim 3, characterized in that: The arc-shaped sliding hole (517) is slidably connected to a connecting slide rod (518), and one end of the connecting slide rod (518) is fixedly installed on the outer wall of the other end of the adjusting arm (514).

5. A circulating tower boiler with directional heat absorption function according to claim 4, characterized in that: The other end of the connecting slide rod (518) is fixedly connected to a connecting long plate (519). The outer wall of the connecting long plate (519) is fixedly installed with an L-shaped mounting plate (5110), and there are two sets of them, located at both ends of the connecting long plate (519). The inner side wall of the L-shaped mounting plate (5110) is evenly and uniformly fixedly installed with a heat absorption plate (5111), and a smoke exhaust port is opened on one side of the heat absorption plate (5111).

6. A circulating tower boiler with directional heat absorption function according to claim 1, characterized in that: The connecting portion (52) includes: A semi-circular guide plate (521) is fixedly installed on the inner wall of the tower boiler (4), and two of them are in a group, for a total of two groups; A connecting exhaust pipe (525) is provided inside the exhaust port; Control valve (527), the control valve (527) is sleeved on the outer wall of the discharge pipe below the cyclone separator (44); The outer wall of the semicircular guide plate (521) is provided with a fixing hole, and a fixing bolt (522) is fixedly installed inside the fixing hole to fix the semicircular guide plate (521) to the inner wall of the tower boiler (4). The outer wall of the semicircular guide plate (521) is provided with an arc-shaped adjusting sliding hole (523).

7. A circulating tower boiler with directional heat absorption function according to claim 6, characterized in that: The arc-shaped adjusting slide hole (523) is internally slidably connected to a guide slide rod (524), and the other end of the guide slide rod (524) is fixedly connected to the outer wall of the L-shaped mounting plate (5110). There are two sets in total, and they are located at the corners of the L-shaped mounting plate (5110).

8. A circulating tower boiler with directional heat absorption function according to claim 7, characterized in that: The outer wall of the connecting flue pipe (525) is fitted with a sealing ring (526), ​​and the sealing ring (526) is located on the outer wall of the tower boiler (4). The other end of the connecting flue pipe (525) is connected to the outer wall of the cyclone separator (44). The control valve (527) is provided with a return pipe (528), and one end of the return pipe (528) is connected to the other end of the discharge pipe. The other end of the return pipe (528) is connected to the inside of the boiler cavity (511).

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