Adjacent machine steam heating starting device for once-through boiler

Abstract

The utility model relates to the technical field of steam heating, in particular to an adjacent machine steam heating starting device for a once-through boiler, which comprises the once-through boiler, a heating water tank is arranged at the front end of the once-through boiler, the outer wall of the heating water tank abuts against the outer wall of the once-through boiler, and the heating water tank is filled with liquid water. The bottom end of the inner wall of the heating water tank is fixedly connected with a plurality of heating pieces, the heating pieces can rapidly heat liquid water in the heating water tank to generate steam, the upper end of the heating water tank is connected with a rotating valve, and the interior of the once-through boiler is further fixedly connected with a matching water tank. The inner wall of the matched water tank is attached to a heating area of the once-through boiler, the matched water tank and the heating water tank are fixedly connected through a quick disassembly mechanism, and the outer wall of the matched water tank is further fixedly connected with a quick recovery mechanism capable of quickly recovering steam in the matched water tank. And the outer wall of the once-through boiler is rotationally connected with a rotating cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam heating technical field, concretely is adjacent machine steam heating starting device for direct current boiler. BACKGROUND

[0002] With the development of electric power industry, direct current boiler is widely used in power generation field because of its high efficiency, energy saving and other advantages. In the starting process of direct current boiler, adjacent machine steam heating starting device plays a key role. It uses steam generated by adjacent machine to preheat direct current boiler, ensuring safe and rapid starting of boiler.

[0003] In the traditional starting device, the connection mode of the inlet pipe of the heating mechanism and the equipment main body is complex, and welding, bolt fastening and other modes are usually adopted. When the heating mechanism needs to be cleaned, the disassembly process is complicated and time-consuming. This not only requires professional personnel to operate with various tools, but also easily damages the equipment during disassembly, affecting the overall performance and service life of the equipment.

[0004] Because the heating mechanism is in a high-temperature and high-pressure steam environment for a long time, impurities and salts in the steam will gradually accumulate on the inner wall of the pipeline and related parts of the heating mechanism, forming dirt and deposits. These dirt not only reduces the heating efficiency and increases energy consumption, but also may cause pipeline blockage, affecting the normal circulation of steam, and thus affecting the starting effect and running stability of the direct current boiler. If the heating mechanism cannot be cleaned in time and effectively, it may cause equipment failure, increase maintenance cost and downtime, and cause huge economic losses to electric power production. Therefore, it is urgent to develop a device that can quickly disassemble the inlet pipe of the heating mechanism in the electric power industry.

[0005] A direct current boiler adjacent machine steam heating starting device is disclosed in Chinese patent (grant announcement number: CN202024304U). The device is arranged on the boiler, and a deaerator is arranged at the water inlet of the boiler, and a drain expansion vessel is arranged at the water outlet. A feedwater pump group and a steam high-pressure heater are connected in series between the deaerator and the boiler. The utility model system is simple, and uses steam to preheat the boiler. Compared with similar kerosene and coal-fired heating starting, it saves energy and improves the starting safety of the boiler.

[0006] In the prior art, the device is simply heated by steam, and when the heating device needs to be disassembled and repaired, disassembly is inconvenient. Therefore, a direct current boiler adjacent machine steam heating starting device is provided. Utility model content

[0007] In view of the deficiencies of the prior art, the utility model provides a direct current boiler adjacent machine steam heating starting device to solve the problems in the background.

[0008] To achieve the above object, the utility model discloses the following technical scheme to realize:

[0009] The direct flow boiler is provided with a heating water tank at the front end, and the outer wall of the heating water tank is in abutment with the outer wall of the direct flow boiler, and the heating water tank is filled with liquid water inside, a plurality of heating fins are fixedly connected to the inner wall bottom end of the heating water tank, the heating fins can quickly heat the liquid water inside the heating water tank to generate steam, and a rotating valve is connected to the upper end of the heating water tank.

[0010] The inner part of the direct flow boiler is also fixedly connected with a matching water tank, the inner wall of the matching water tank is in abutment with the heating area of the direct flow boiler, the matching water tank and the heating water tank are fixedly connected through a quick dismounting mechanism, the outer wall of the matching water tank is also fixedly connected with a quick recovery mechanism that can quickly recover the steam inside the matching water tank, and the outer wall of the direct flow boiler is rotatably connected with a rotating cover.

[0011] As a further improvement of the present scheme, the quick dismounting mechanism comprises a second communication pipe, the second communication pipe is fixedly connected to the outer wall of the heating water tank, one end of the second communication pipe away from the heating water tank is fixedly connected with an elastic telescopic pipe, and the other end of the second communication pipe away from the heating water tank is also fixedly connected with a second rotating disc.

[0012] As a further improvement of the present scheme, the second rotating disc is internally provided with a plurality of rectangular grooves, each rectangular groove is slidably connected with a moving block inside, one end of the second rotating disc away from the second communication pipe is rotatably connected with a first rotating disc, the first rotating disc is internally provided with a plurality of curved grooves, and one end of the moving block away from the first rotating disc is fixedly connected with an abutting telescopic rod.

[0013] As a further improvement of the present scheme, one end of the abutting telescopic rod away from the moving block is fixedly connected with a curved abutting block, one end of the moving block close to the first rotating disc is fixedly connected with a connecting rod, and the outer wall of the connecting rod is in abutment with the inner wall of the curved groove.

[0014] As a further improvement of the present scheme, the front end of the matching water tank is fixedly connected with a first communication pipe, the outer wall of the first communication pipe is fixedly connected with two matching connecting pipes, and the first communication pipe is matched with the elastic telescopic pipe.

[0015] As a further scheme, the quick recovery mechanism comprises a matching connecting pipe, and the matching connecting pipe is fixedly connected to the outer wall of the matching water tank, one end of the matching connecting pipe away from the matching water tank is fixedly connected with a hydrophobic expander, the hydrophobic expander can quickly convert steam into liquid water, and the outer wall of the matching connecting pipe is also fixedly connected with a pressure relief valve, and the bottom of the hydrophobic expander is also fixedly connected with a collection water tank, which can collect and store the converted liquid water.

[0016] Advantages

[0017] The utility model provides a steam heating starting device for adjacent machine of direct current boiler. Compared with prior art has the following advantages:

[0018] The steam heating starting device for adjacent machine of direct current boiler, through the arc abutment block will be located between two matching connecting pipes, namely, the connection and fixation between the second communicating pipe and the first communicating pipe can be completed, which is convenient and simple to disassemble, facilitates the quickness of the staff during disassembly, and improves the disassembly efficiency of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the main view of the utility model main body;

[0020] Figure 2 It is the internal structure schematic diagram of the utility model main body direct current boiler;

[0021] Figure 3 It is the structure schematic diagram of the utility model main body quick dismounting mechanism;

[0022] Figure 4 It is the first rotary disc position structure schematic diagram of the utility model main body;

[0023] Figure 5 It is the elastic telescopic pipe position structure schematic diagram of the utility model main body.

[0024] In the drawing: 1, direct current boiler; 2, rotating cover; 4, heating water tank; 5, matching water tank; 6, rotating valve; 7, heating sheet; 8, mounting base; 9, first communicating pipe; 10, second communicating pipe; 11, matching connecting pipe;

[0025] 12, hydrophobic expander; 13, collection water tank; 14, first rotary disc; 15, second rotary disc; 16, rectangular groove; 17, moving block; 18, slide bar; 19, arc groove; 20, connecting rod;

[0026] 21, abutment telescopic rod; 22, arc abutment block; 23, elastic telescopic pipe; 101, quick dismounting mechanism; 201, quick recovery mechanism. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0028] Embodiment one: please refer to Figure 1 - Figure 2 As shown in the figure, the utility model provides a technical scheme: the steam heating starting device for adjacent machine of direct current boiler, including direct current boiler 1, and the front end of direct current boiler 1 is provided with heating water tank 4, and the outer wall of heating water tank 4 and the outer wall of direct current boiler 1 are mutually abutted, and the inside of heating water tank 4 is filled with liquid water, and the inner wall bottom end of heating water tank 4 is fixedly connected with several heating fins 7, and several heating fins 7 are arrayed from left to right on the inner wall bottom end of heating water tank 4, and heating fin 7 can quickly heat the liquid water in the inside of heating water tank 4 to produce steam, and the upper end of heating water tank 4 is rotatably connected with rotating valve 6 through pivot, and the staff can fill the inside of heating water tank 4 with liquid water through rotating valve 6, and the inside of direct current boiler 1 is also fixedly connected with cooperation water tank 5, and the inner wall of cooperation water tank 5 is attached with the heating area of direct current boiler 1, and cooperation water tank 5 and heating water tank 4 are fixedly connected through quick dismounting mechanism 101, and the outer wall of cooperation water tank 5 is also fixedly connected with quick recovery mechanism 201 that can quickly recover the steam in the inside of cooperation water tank 5, and the bottom of direct current boiler 1 is also fixedly connected with mounting base 8 that can support direct current boiler 1, and the outer wall of direct current boiler 1 is rotatably connected with rotating cover 2 through pivot.

[0029] Embodiment two: please refer to Figure 2 - Figure 5As shown, the quick disassembly mechanism 101 comprises a second communication pipe 10 fixedly connected to the outer wall of the heated water tank 4, the end of the second communication pipe 10 away from the heated water tank 4 is fixedly connected with an elastic telescopic pipe 23, and the end of the second communication pipe 10 away from the heated water tank 4 is also fixedly connected with a second rotating disc 15, and a plurality of rectangular grooves 16 are arranged in the second rotating disc 15, and the plurality of rectangular grooves 16 are distributed in a circle in the second rotating disc 15, and a moving block 17 is slidably connected in each rectangular groove 16, specifically, a sliding strip 18 is fixedly connected to the inner wall of the rectangular groove 16, and a sliding opening is arranged on the outer wall of the moving block 17, and the inner wall of the sliding opening is slidably connected with the outer wall of the sliding strip 18, and the inner wall of the sliding opening and the outer wall of the sliding strip 18 are coated with lubricating oil, when the moving block 17 moves, the moving block 17 will slide on the outer wall of the sliding strip 18 through the sliding opening, and the sliding strip 18 will limit the moving block 17 through the sliding opening, and also has a guiding effect, improves the stability of the moving block 17 when moving, and the lubricating oil can also reduce the friction between the inner wall of the sliding opening and the outer wall of the sliding strip 18, greatly prolongs the service life of the sliding opening and the sliding strip 18;

[0030] The end of the second rotating disc 15 away from the second communication pipe 10 is rotatably connected with a first rotating disc 14 through a rotating shaft, and a reset torsion spring is fixedly connected between the first rotating disc 14 and the second rotating disc 15, the reset torsion spring can drive the first rotating disc 14 to reset quickly, a plurality of arc grooves 19 are arranged in the first rotating disc 14, the arc grooves 19 are arc-shaped, and the plurality of arc grooves 19 are distributed in a circle in the first rotating disc 14, the end of the moving block 17 away from the first rotating disc 14 is fixedly connected with an abutting telescopic rod 21, the end of the abutting telescopic rod 21 away from the moving block 17 is fixedly connected with an arc abutting block 22, and the arc abutting block 22 is arc-shaped, the end of the moving block 17 close to the first rotating disc 14 is fixedly connected with a connecting rod 20, and the outer wall of the connecting rod 20 abuts against the inner wall of the arc groove 19;

[0031] The front end of the water tank 5 is fixedly connected with a first communication pipe 9, and the outer wall of the first communication pipe 9 is fixedly connected with two matching connecting pipes 11, the two matching connecting pipes 11 are symmetrically distributed on the outer wall of the first communication pipe 9, and the first communication pipe 9 is matched with the elastic telescopic pipe 23;

[0032] Please refer to Figure 2As shown, the quick recovery mechanism 201 includes a matching connecting pipe 11, and the matching connecting pipe 11 is fixedly connected to the outer wall of the matching water tank 5. The end of the matching connecting pipe 11 away from the matching water tank 5 is fixedly connected with a hydrophobic expander 12, and the hydrophobic expander 12 can quickly convert steam into liquid water. The outer wall of the matching connecting pipe 11 is also fixedly connected with a pressure relief valve, and the pressure relief valve can relieve the pressure inside the matching connecting pipe 11 and the matching water tank 5. The bottom of the hydrophobic expander 12 is also fixedly connected with a collection water tank 13, and the collection water tank 13 can collect and store the converted liquid water. The outer wall of the collection water tank 13 is also fixedly connected with a pressure relief valve.

[0033] Working principle: when the heating water tank 4 is damaged or needs to be disassembled, only need to rotate the first rotating disc 14, the first rotating disc 14 will drive the connecting rod 20 to move through the curved groove 19, the connecting rod 20 will drive the moving block 17 to move, at this time all the moving blocks 17 will move outward, the moving block 17, and the moving block 17 will also drive the abutting telescopic rod 21 and the curved abutting block 22 to move, the curved abutting block 22 will be separated from the abutment with the outer wall of the first connecting pipe 9. After repair, only need to abut the elastic telescopic pipe 23 with the first connecting pipe 9 again, at this time move the curved abutting block 22 between the two matching connecting pipes 11, at this time loosen the control of the first rotating disc 14, the first rotating disc 14 will drive all the curved grooves 19 to move, according to the above working principle, all the curved abutting blocks 22 will abut with the outer wall of the first connecting pipe 9, the curved abutting block 22 will be located between the two matching connecting pipes 11, that is, the connection and fixation between the second connecting pipe 10 and the first connecting pipe 9 can be completed;

[0034] When the once-through boiler 1 needs to be heated by steam, start all the heating fins 7, the heating fins 7 will quickly heat the liquid water, and the steam will enter the matching water tank 5 through the second connecting pipe 10 and the first connecting pipe 9. When the matching water tank 5 is filled with steam, the steam in the matching water tank 5 will enter the hydrophobic expander 12 through the matching connecting pipe 11, and then be converted into liquid water by the hydrophobic expander 12 and enter the collection water tank 13. The collection water tank 13 collects liquid water, and the pressure relief valve outside the collection water tank 13 can relieve the pressure of the collection water tank 13.

[0035] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for heating up a once-through boiler (1) by means of steam from a neighbouring boiler, characterised in that: And the front end of the straight-flow boiler (1) is provided with a heating water tank (4), the outer wall of the heating water tank (4) is in abutment with the outer wall of the straight-flow boiler (1), and the inside of the heating water tank (4) is filled with liquid water, a plurality of heating fins (7) are fixedly connected to the inner wall bottom end of the heating water tank (4), the heating fins (7) can quickly heat the liquid water in the heating water tank (4) to generate steam, and the upper end of the heating water tank (4) is connected with a rotating valve (6); The inside of the straight-flow boiler (1) is also fixedly connected with a matching water tank (5), the inner wall of the matching water tank (5) is in abutment with the heating area of the straight-flow boiler (1), the matching water tank (5) and the heating water tank (4) are fixedly connected through a quick dismounting mechanism (101), and the outer wall of the matching water tank (5) is also fixedly connected with a quick recovery mechanism (201) capable of quickly recovering the steam in the matching water tank (5), and the outer wall of the straight-flow boiler (1) is rotatably connected with a rotating cover (2).

2. The adjacent-steam heating start-up device for a once-through boiler according to claim 1, characterized by: The quick dismounting mechanism (101) comprises a second communication pipe (10), the second communication pipe (10) is fixedly connected to the outer wall of the heating water tank (4), one end of the second communication pipe (10) away from the heating water tank (4) is fixedly connected with an elastic telescopic pipe (23), and the other end of the second communication pipe (10) away from the heating water tank (4) is also fixedly connected with a second rotating disc (15).

3. The adjacent-steam heating start-up device for a once-through boiler according to claim 2, characterized by: The second rotating disc (15) is internally provided with a plurality of rectangular grooves (16), each rectangular groove (16) is slidably connected with a moving block (17), and the end of the second rotating disc (15) away from the second communication pipe (10) is rotatably connected with a first rotating disc (14), the first rotating disc (14) is internally provided with a plurality of curved grooves (19), and the end of the moving block (17) away from the first rotating disc (14) is fixedly connected with an abutting telescopic rod (21).

4. The adjacent appliance steam heating start-up device for a once-through boiler according to claim 3, characterized in that: The end of the abutting telescopic rod (21) away from the moving block (17) is fixedly connected with a curved abutting block (22), the end of the moving block (17) close to the first rotating disc (14) is fixedly connected with a connecting rod (20), and the outer wall of the connecting rod (20) is in abutment with the inner wall of the curved groove (19).

5. The adjacent appliance steam heating start-up device for a direct flow boiler according to claim 1, characterized in that: The front end of the matching water tank (5) is fixedly connected with a first communication pipe (9), the outer wall of the first communication pipe (9) is fixedly connected with two matching communication pipes (11), and the first communication pipe (9) is matched with the elastic telescopic pipe (23).

6. The adjacent appliance steam heating start-up device for a direct flow boiler according to claim 1, characterized in that: The quick recovery mechanism (201) comprises the matching communication pipe (11), the matching communication pipe (11) is fixedly connected to the outer wall of the matching water tank (5), one end of the matching communication pipe (11) away from the matching water tank (5) is fixedly connected with a hydrophobic expander (12), the hydrophobic expander (12) can quickly convert steam into liquid water, the outer wall of the matching communication pipe (11) is also fixedly connected with a pressure relief valve, and the bottom of the hydrophobic expander (12) is also fixedly connected with a collection water tank (13), which can recover and store the converted liquid water.

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