CN112556172B

CN112556172B - Three-return-stroke vertical gas boiler

Info

Publication number: CN112556172B
Application number: CN202011362851.2A
Authority: CN
Inventors: 周培菊
Original assignee: Jining Jinde Water Processing Equipment Co ltd
Current assignee: Jining Jinde Water Processing Equipment Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2022-08-09
Anticipated expiration: 2040-11-28
Also published as: CN112556172A

Abstract

The invention relates to the field of gas boilers, in particular to a three-pass vertical gas boiler, which comprises a base, a boiler body, a combustion-supporting structure, a protective structure, an alarm structure, a moving structure and an angle adjusting structure, wherein the base is provided with a plurality of vertical grooves; through the combustion-supporting structure of one end installation at the boiler body, not only can let in the gas with the inside of boiler body and burn the heating, can also let in oxygen and carry out combustion-supporting, make the gas combustion more abundant, thereby can improve the gas utilization ratio greatly, and oxygen gets into the inside break-make of boiler body and relies on the gas to get into the inside break-make of boiler body and controls, only oxygen just can let in when the gas gets into the inside of boiler body promptly, thereby can be through simple structure, get into when realizing oxygen and gas, it is simple and convenient practical promptly, the break-make that oxygen can be realized to the control procedure that does not need to be complicated and control part, can enough guarantee the abundant burning of gas, can also avoid the waste of oxygen, through the one end installation protective structure at the boiler body.

Description

Three-return-stroke vertical gas boiler

Technical Field

The invention relates to the field of gas boilers, in particular to a three-pass vertical gas boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises. The gas-fired boiler comprises a gas-fired water boiler, a gas-fired hot water boiler, a gas-fired steam boiler and the like, wherein the gas-fired hot water boiler is also called a gas-fired heating boiler and a gas-fired bathing boiler, the gas-fired boiler refers to a boiler with fuel gas as the name implies, and the gas-fired boiler is most economical compared with an oil-fired boiler and an electric boiler, so that most people select the gas-fired boiler as boiler equipment for steam, heating and bathing.

In the 'central back-fire vertical three-pass gas boiler' provided by the prior patent application No. 201621078763.9, although the fuel flame can be fully combusted, the radiation heat exchange quantity of a furnace is increased, the momentum loss of gas is reduced, and the heat exchange time of smoke is obviously increased, in order to fully combust the fuel flame, only the length of a combustion chamber is increased, but also a part of the fuel flame is wasted due to insufficient oxygen supply, if an oxygen supply device is additionally arranged at present, in order to ensure that the fuel and the fuel work simultaneously, a complex control program and control parts are additionally arranged, the production cost is greatly increased, and the damage is easily caused, in the prior patent, the water to be heated directly enters the interior of the boiler, the harm that the internal components of the boiler are blocked by impurities can be caused by intercepting and filtering, the condition that the interior of the boiler is empty-burning can be caused by the fact that the filtering net is additionally arranged at present, the boiler in the prior patent is inconvenient to lift by lifting equipment or people when the position of the boiler is finely adjusted, and the smoke outlet pipe is fixed when the smoke outlet pipe is connected with an external pipeline, so that the angle adjustment of the external pipeline is inconvenient to perform in some working environments and space environments, and the pipeline installation is extremely inconvenient.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a three-pass vertical gas boiler.

The technical scheme adopted by the invention for solving the technical problem is as follows: a three-pass vertical gas boiler comprises a base, a boiler body, a combustion-supporting structure, a protection structure, an alarm structure, a moving structure and an angle adjusting structure, wherein the boiler body for heating water is fixed at the top end of the base for fixing and supporting; the boiler comprises a boiler body, a combustion-supporting structure and a protective structure, wherein the combustion-supporting structure is arranged at one end of the boiler body and is used for introducing gas into the boiler body for combustion heating and automatically introducing oxygen for combustion supporting; protective structure's one end setting can be right protective structure plays the warning effect when blockking up the installation of the bottom of base can be convenient the boiler body removes the removal structure the top of boiler body sets up and is used for adjusting outside tobacco pipe connection angle the angle modulation structure.

Specifically, the combustion-supporting structure comprises a burner, an oxygen pipe, a through hole, a combustion pipe, a first sealing column, a first spring, a first connecting pipe, a nozzle, a first fixing rod, a connecting rod, a fixing pipe, a second sealing column, a second spring, a second fixing rod and a second connecting pipe, wherein the burner is installed at the top end of the boiler body, the oxygen pipe is fixed at the top end of the boiler body, the combustion pipe is installed at the bottom end of the burner, the first sealing column slides in the combustion pipe, the first spring is clamped and fixed between the first sealing column and the combustion pipe, the first connecting pipe is fixed outside the combustion pipe, the nozzle is fixed at the other end of the first connecting pipe, the first fixing rod slides in the combustion pipe, one end of the first fixing rod fixes the first sealing column, the other end of the first fixed rod is used for fixing the connecting rod in a vertical relation, one end of the combustion tube is used for fixing the fixed tube, the fixed tube is communicated with the oxygen tube through the through hole, the second sealing column slides in the fixed tube, the second spring is clamped and fixed between the second sealing column and the fixed tube, one end of the second sealing column is used for fixing the second fixed rod, the second fixed rod slides with the fixed tube and is fixed with the connecting rod, one end of the fixed tube is used for fixing the second connecting tube, and the other end of the second connecting tube is connected with the spray head; the bottom of connecting rod is connected with the connecting rod, just the end connection of connecting rod has the clearance ring of contradicting with the shower nozzle inside wall.

Specifically, the protective structure comprises a first water inlet pipe, a second water inlet pipe, a hose, a third water inlet pipe, a support pipe, a fixed sleeve, a filter screen, a sealing plug and a third spring, wherein the first water inlet pipe is fixed at one end of the boiler body, the second water inlet pipe is detachably mounted at one end of the first water inlet pipe, which is deviated from the boiler body, the filter screen is mounted at the joint of the first water inlet pipe and the second water inlet pipe, the third water inlet pipe is fixed on the outer side wall of the boiler body, the support pipe is detachably mounted at one end of the third water inlet pipe, which is deviated from the boiler body, the filter screen is mounted between the support pipe and the third water inlet pipe, the fixed sleeve is fixed at one end of the support pipe, which is deviated from the third water inlet pipe, and the interior of the second water inlet pipe is communicated with the interior of the fixed sleeve through the hose, and the sealing plug slides in the fixed sleeve, and the third spring is clamped and fixed between the sealing plug and the fixed sleeve.

Specifically, the alarm structure includes alarm, power pack, first sheetmetal, second sheetmetal and fourth spring the top installation of fixed cover the alarm the internally mounted of fixed cover the power pack the one end of sealing plug is fixed first sheetmetal, just first sheetmetal is in the inside of fixed cover is slided the inside of fixed cover the second sheetmetal with the centre gripping is fixed between the fixed cover the fourth spring, just first sheetmetal with alarm electric connection, the power pack with alarm electric connection, the second sheetmetal with power pack electric connection.

Specifically, the moving structure includes a first lever, a pedal, a support leg, a mounting plate, a guide post, a fifth spring, a roller, and a second lever, the support leg is fixed to the bottom end of the base, the mounting plate slides inside the base, the guide post is fixed to the top end of the mounting plate, the guide post slides on the base, the fifth spring is clamped and fixed between the mounting plate and the base, the roller is rotated to the bottom end of the mounting plate, the second lever is rotated inside the base, one end of the second lever abuts against the mounting plate, the first lever is rotated inside the base, the first lever abuts against the second lever, and the pedal is fixed to one end of the first lever.

The angle adjusting structure comprises a fixing ring, a smoke outlet pipe, a sliding groove, a sliding block, a fixing bolt, a ball, a rubber pad and a sealing ring, the fixing ring is fixed to the top end of the boiler body, the sliding groove is formed in the outer side wall of the fixing ring, the sliding block slides in the sliding groove and is locked with the fixing ring through the fixing bolt, the rubber pad is fixed to one end of the fixing bolt, the smoke outlet pipe rotates at the top end of the fixing ring, the smoke outlet pipe is fixed to the sliding block, the sealing ring is fixed to the inside of the smoke outlet pipe, and the sealing ring rotates with the fixing ring.

The invention has the beneficial effects that:

(1) the three-return-stroke vertical gas boiler has the advantages that the combustion-supporting structure is arranged at one end of the boiler body, so that the gas can be introduced into the boiler body to be combusted and heated, the oxygen can be introduced to support combustion, the gas is combusted more fully, the utilization rate of the gas can be greatly improved, the on-off of the oxygen entering the boiler body is controlled by the on-off of the gas entering the boiler body, namely the oxygen is introduced only when the gas enters the boiler body, the simultaneous entry of the oxygen and the gas can be realized through the simple structure, the three-return-stroke vertical gas boiler is simple, convenient and practical, the on-off of the oxygen can be realized without complex control programs and control parts, the full combustion of the gas can be ensured, the waste of the oxygen can be avoided, namely when the gas is introduced into the boiler body to be combusted and heated, the gas can be combusted through the combustor and then can be sprayed into the boiler body through the combustion pipe and the spray nozzle, so that the combustion heating work can be carried out on the interior of the boiler body, because the first sealing column is arranged in the combustion pipe in a sliding manner, when the combusted gas enters the combustion pipe in a high-pressure manner, the first sealing column can be pushed to slide downwards, then when the first sealing column slides to the extent that the first connecting pipe is not blocked, the first sealing column can enter the first connecting pipe and is finally sprayed into the boiler body from the spray nozzle to carry out combustion heating on the interior of the boiler body, because the first fixing rod is fixed at the bottom end of the first sealing column, when the first sealing column slides downwards, the first fixing rod can be driven to slide downwards, because the first fixing rod is connected with the second fixing rod through the connecting rod, the second fixing rod is fixed with the second sealing column sliding in the fixing pipe, therefore, when the first sealing column slides downwards, the sealed post of second also can slide simultaneously, because the oxygen hose communicates with each other through the inside of through-hole with fixed pipe, when the sealed post downward sliding of second to no longer blockking up the second connecting pipe, the inside oxygen of oxygen hose will pass through the through-hole, fixed pipe and second connecting pipe get into the shower nozzle, will mix with the gas of burning, because the joining of oxygen, thereby can guarantee the abundant burning of gas, avoid the insufficient condition of gas burning, and because the break-make of oxygen is controlled according to letting in of gas, reach and realize automated control through simple structure, reach the effect that saves cost, and can also avoid the waste of oxygen, reach the effect of the energy can be saved.

(2) According to the three-pass vertical gas boiler, the protection structure is arranged at one end of the boiler body, so that water entering the interior of the boiler body can be filtered, impurities in the water entering the interior of the boiler body are avoided, the water can be ensured to enter the interior of the boiler body when the filter assembly is blocked, a protection effect is achieved, the situation that the boiler body is not empty when the filter assembly is blocked and water cannot enter the boiler body is avoided, the danger coefficient can be greatly reduced, the alarm structure can be synchronously driven to perform alarm work while the protection structure performs protection work, and therefore an alarm can be timely generated to remind workers to perform blockage clearing work, namely, the filter screen is arranged between the first water inlet pipe and the second water inlet pipe, so that the water entering the interior of the boiler body can be filtered, the utility model can avoid the impurities from entering the interior of the boiler body to cause the blockage of the interior of the boiler body, and can conveniently maintain and replace the filter screen due to the detachable connection between the first water inlet pipe and the second water inlet pipe, one end of the boiler body is also provided with a third water inlet pipe, one end of the third water inlet pipe is detachably provided with a support pipe, one end of the support pipe departing from the third water inlet pipe is fixed with a fixed sleeve, the fixed sleeve is communicated with the second water inlet pipe through a hose, and the sealing plug slides in the fixed sleeve and always keeps the blockage effect on the support pipe and the third water inlet pipe under the elastic action of a third spring, thereby ensuring that the water flow can not enter the interior of the support pipe from the fixed sleeve when the filter screen between the first water inlet pipe and the second water inlet pipe is not blocked, at the moment, the internal water pressure of the fixing sleeve is increased to push the sealing plug to slide downwards, when the sealing plug slides downwards to a position where the joint between the fixing sleeve and the supporting pipe is not blocked any more, water flow can temporarily enter the supporting pipe and the third water inlet pipe from the fixing sleeve and finally enters the inside of the boiler body, so that the situation that the inside of the boiler body is not subjected to idle burning when a filter screen is blocked can be avoided, the danger coefficient is greatly reduced, the safety production is ensured, in addition, because the first metal sheet is fixed at one end of the sealing plug and also slides with the fixing sleeve, when the sealing plug is pressed and slides by the water flow pressure, the first metal sheet can be simultaneously driven to slide downwards, when the first metal sheet slides downwards to be abutted against the second metal sheet, because the alarm is respectively electrically connected with the power supply box and the first metal sheet, and the second metal sheet is electrically connected with the power supply box, at the moment, the first metal sheet and the alarm are respectively connected with the power supply box, The power supply box and the second metal sheet are in a conducting state, and the alarm can give an alarm, so that workers can be reminded of clearing blockage in time, and normal production is guaranteed.

(3) The three-return-stroke vertical gas boiler can realize the placement and fixation of the boiler body and the fine adjustment of the boiler body by the labor-saving lever principle through installing the moving structure at the bottom end of the base, so that the boiler body can work better, namely, as the mounting plate is slid in the base, the roller is rotated at the bottom end of the mounting plate, the mounting plate is always attached to the base under the tension action of the fifth spring, the roller is not abutted against the ground, when the position of the boiler body needs to be moved for fine adjustment, only the pedal is needed to be stepped, the first lever is rotated in the base and fixed with the pedal, namely, the rotation of the first lever can be realized by stepping the pedal, two ends of the second lever which is rotatably connected in the base are respectively abutted against the mounting plate and the first lever, and the stepping force can be changed in direction through the arrangement of the second lever, therefore, the mounting plate can be ejected out, and the treading force can be guaranteed to jack the empty boiler body up to finely adjust the position through the labor-saving effect of the two levers.

(4) According to the three-pass vertical gas-fired boiler, the angle adjusting structure is arranged at the top end of the boiler body, so that the connection angle between the gas-discharging pipe and an external pipeline can be conveniently adjusted, different working environments and space environments can be conveniently adapted, and the installation requirements of equipment are greatly reduced.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of an overall structure of a preferred embodiment of a three-pass vertical gas boiler according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the base and the moving structure shown in FIG. 1;

FIG. 4 is an enlarged view of the portion B shown in FIG. 3;

FIG. 5 is an enlarged view of the portion C shown in FIG. 3;

FIG. 6 is an enlarged view of the portion D shown in FIG. 3;

FIG. 7 is an enlarged view of section E of FIG. 3;

fig. 8 is a schematic view of the distribution of the cleaning sleeves shown in fig. 6.

In the figure: 1. the device comprises a base, 2, a boiler body, 3, a combustion-supporting structure, 31, a burner, 32, an oxygen pipe, 33, a through hole, 34, a combustion pipe, 35, a first sealing column, 36, a first spring, 37, a first connecting pipe, 38, a nozzle, 39, a first fixing rod, 39a, a connecting rod, 39b, a fixing pipe, 39c, a second sealing column, 39d, a second spring, 39e, a second fixing rod, 39f, a second connecting pipe, 39g, a connecting rod, 39h, a cleaning sleeve, 4, a protection structure, 41, a first water inlet pipe, 42, a second water inlet pipe, 43, a hose, 44, a third water inlet pipe, 45, a supporting pipe, 46, a fixing sleeve, 47, a filter screen, 48, a sealing plug, 49, a third spring, 5, an alarm structure, 51, an alarm, 52, a power supply box, 53, a first metal sheet, 54, a second metal sheet, 55, a fourth spring, 6, a moving structure, 61, The device comprises a first lever, 62, a pedal, 63, a support leg, 64, a mounting plate, 65, a guide post, 66, a fifth spring, 67, a roller, 68, a second lever, 7, an angle adjusting structure, 71, a fixing ring, 72, a smoke outlet pipe, 73, a chute, 74, a sliding block, 75, a fixing bolt, 76, a ball, 77, a rubber pad, 78 and a sealing ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the three-pass vertical gas boiler of the present invention comprises a base 1, a boiler body 2, a combustion-supporting structure 3, a protection structure 4, an alarm structure 5, a moving structure 6 and an angle adjusting structure 7, wherein the top end of the base 1 for fixing and supporting is fixed with the boiler body 2 for heating water; the combustion-supporting structure 3 is arranged at one end of the boiler body 2 and used for introducing gas into the boiler body 2 for combustion heating and automatically introducing oxygen for combustion supporting, and the protection structure 4 is arranged at one end of the boiler body 2 and used for supplying water and filtering the interior of the boiler body 2 and having a blocking protection function; one end of the protection structure 4 is provided with an alarm structure 5 which can give an alarm when the protection structure 4 is blocked, the bottom end of the base 1 is provided with a moving structure 6 which can facilitate the movement of the boiler body 2, and the top end of the boiler body 2 is provided with an angle adjusting structure 7 which is used for adjusting the connection angle of an external smoke pipe.

Specifically, the combustion-supporting structure includes a burner 31, an oxygen pipe 32, a through hole 33, a burner pipe 34, a first sealing post 35, a first spring 36, a first connecting pipe 37, a nozzle 38, a first fixing rod 39, a connecting rod 39a, a fixing pipe 39b, a second sealing post 39c, a second spring 39d, a second fixing rod 39e, a second connecting pipe 39f, a connecting rod 39g, and a cleaning ring 39h, the burner 31 is mounted on the top end of the boiler body 2, the oxygen pipe 32 is fixed on the top end of the boiler body 2, the burner pipe 34 is mounted on the bottom end of the burner 31, the first sealing post 35 is slid inside the burner pipe 34, the first spring 36 is clamped and fixed between the first sealing post 35 and the burner pipe 34, the first connecting pipe 37 is fixed outside the burner pipe 34, and the nozzle 38 is fixed on the other end of the first connecting pipe 37, sliding the first fixing rod 39 inside the combustion pipe 34, fixing the first sealing post 35 at one end of the first fixing rod 39, fixing the connecting rod 39a at the other end of the first fixing rod 39 in a perpendicular relationship, fixing the fixing pipe 39b at one end of the combustion pipe 34 with the fixing pipe 39b communicating with the oxygen pipe 32 through the through hole 33, sliding the second sealing post 39c inside the fixing pipe 39b, clamping and fixing the second spring 39d between the second sealing post 39c and the fixing pipe 39b, fixing the second fixing rod 39e at one end of the second sealing post 39c with the second fixing rod 39e sliding with the fixing pipe 39b with the second fixing rod 39e fixed with the connecting rod 39a, fixing the second connecting pipe 39f at one end of the fixing pipe 39b, and the other end of the second connecting pipe 39f is connected with the spray head 38, the bottom end of the connecting rod 39a is connected with a connecting rod 39g, the end of the connecting rod 39g is connected with a cleaning ring 39h abutting against the inner side wall of the spray head 38, when the boiler body 2 needs to be burnt and heated by introducing gas into the boiler body 2, the gas can be burnt by the burner 31 and then sprayed into the boiler body 2 through the burning pipe 34 and the spray head 38, so that the combustion and heating work can be performed on the inside of the boiler body 2, because the first sealing column 35 is arranged in the burning pipe 34 in a sliding manner, when the burnt gas enters the burning pipe 34 in a high-pressure manner, the first sealing column 35 can be pushed to slide downwards, and then when the first sealing column 35 slides to no longer block the first connecting pipe 37, the first connecting pipe 37 can enter the first connecting pipe 37 and finally sprayed into the boiler body 2 from the spray head 38 to the boiler body 2 The inside of the furnace body 2 is heated by burning, since the first fixing rod 39 is fixed to the bottom end of the first sealing post 35, when the first sealing post 35 slides down, the first fixing rod 39 is driven to slide down, since the first fixing rod 39 is connected to the second fixing rod 39e through the connecting rod 39a, and the second fixing rod 39e is fixed to the second sealing post 39c sliding inside the fixing tube 39b, when the first sealing post 35 slides down, the second sealing post 39c also slides down at the same time, since the oxygen tube 32 communicates with the inside of the fixing tube 39b through the through hole 33, when the second sealing post 39c slides down to no longer block the second connecting tube 39f, the oxygen inside the oxygen tube 32 enters the shower head 38 through the through hole 33, the fixing tube 39b and the second connecting tube 39f, will mix with the gas of burning, because the joining of oxygen to can guarantee the abundant burning of gas, avoid the insufficient condition of gas burning, and because the break-make of oxygen is controlled according to letting in of gas, reach and realize automated control through simple structure, reach the effect of saving the cost, and can also avoid the waste of oxygen, reach the effect of the energy can be saved.

Specifically, the protective structure 4 includes a first water inlet pipe 41, a second water inlet pipe 42, a hose 43, a third water inlet pipe 44, a support pipe 45, a fixing sleeve 46, a filter screen 47, a sealing plug 48 and a third spring 49, the first water inlet pipe 41 is fixed at one end of the boiler body 2, the second water inlet pipe 42 is detachably mounted at one end of the first water inlet pipe 41 away from the boiler body 2, the filter screen 47 is mounted at a joint of the first water inlet pipe 41 and the second water inlet pipe 42, the third water inlet pipe 44 is fixed at an outer side wall of the boiler body 2, the support pipe 45 is detachably mounted at one end of the third water inlet pipe 44 away from the boiler body 2, the filter screen 47 is mounted between the support pipe 45 and the third water inlet pipe 44, the fixing sleeve 46 is fixed at one end of the support pipe 45 away from the third water inlet pipe 44, the inside of the second water inlet pipe 42 is communicated with the inside of the fixing sleeve 46 through the hose 43, the sealing plug 48 is slid in the fixing sleeve 46, the third spring 49 is clamped and fixed between the sealing plug 48 and the fixing sleeve 46, the filter screen 47 is installed between the first water inlet pipe 41 and the second water inlet pipe 42, so that water entering the inside of the boiler body 2 can be filtered, impurities are prevented from entering the inside of the boiler body 2, the inside of the boiler body 2 is prevented from being blocked and cannot work, the first water inlet pipe 41 and the second water inlet pipe 42 are detachably connected, so that the maintenance and replacement of the filter screen 47 can be conveniently carried out, the third water inlet pipe 44 is also installed at one end of the boiler body 2, and the support pipe 45 is detachably installed at one end of the third water inlet pipe 44, the fixing sleeve 46 is fixed at one end of the supporting tube 45, which is far away from the third water inlet tube 44, and the fixing sleeve 46 is communicated with the second water inlet tube 42 through the hose 43, because the sealing plug 48 slides in the fixing sleeve 46, the sealing plug 48 always keeps the blocking effect on the supporting tube 45 and the third water inlet tube 44 under the elastic force of the third spring 49, so that it can be ensured that when the filter screen 47 between the first water inlet tube 41 and the second water inlet tube 42 is not blocked, water flow cannot enter the inside of the supporting tube 45 from the fixing sleeve 46, when the filter screen 47 between the first water inlet tube 41 and the second water inlet tube 42 is blocked, the internal water pressure of the fixing sleeve 46 is increased at the moment, the fixing sleeve 48 is pushed to slide downwards, when the sealing plug 48 slides downwards to no longer block the interface between the fixing sleeve 46 and the supporting tube 45, water flow temporarily enters the supporting pipe 45 and the third water inlet pipe 44 from the fixing sleeve 46 and finally enters the interior of the boiler body 2, so that the situation that the interior of the boiler body 2 is empty without water when the filter screen 47 is blocked can be avoided, the risk factor is greatly reduced, and the safe production is ensured.

Specifically, the alarm structure 5 includes an alarm 51, a power box 52, a first metal plate 53, a second metal plate 54 and a fourth spring 55, the alarm 51 is mounted at the top end of the fixing sleeve 46, the power box 52 is mounted inside the fixing sleeve 46, the first metal plate 53 is fixed at one end of the sealing plug 48, the first metal plate 53 slides inside the fixing sleeve 46, the second metal plate 54 slides inside the fixing sleeve 46, the fourth spring 55 is clamped and fixed between the second metal plate 54 and the fixing sleeve 46, the first metal plate 53 is electrically connected with the alarm 51, the power box 52 is electrically connected with the alarm 51, the second metal plate 54 is electrically connected with the power box 52, because the first metal plate 53 is fixed at one end of the sealing plug 48, and the first metal sheet 53 also slides with the fixed sleeve 46, when the sealing plug 48 is pressed down by water flow pressure to slide, the first metal sheet 53 is also driven to slide downwards, when the first metal sheet 53 slides downwards to be abutted against the second metal sheet 54, because the alarm 51 is respectively electrically connected with the power box 52 and the first metal sheet 53, the second metal sheet 54 is electrically connected with the power box 52, at the moment, the first metal sheet 53, the alarm 51, the power box 52 and the second metal sheet 54 are in a conducting state, the alarm 51 can give an alarm, so that a worker can be reminded of clearing the blockage in time, and the normal production is ensured.

Specifically, the moving structure 6 includes a first lever 61, a pedal 62, a leg 63, a mounting plate 64, a guide post 65, a fifth spring 66, a roller 67, and a second lever 68, the leg 63 is fixed to the bottom end of the base 1, the mounting plate 64 is slid inside the base 1, the guide post 65 is fixed to the top end of the mounting plate 64 and the guide post 65 is slid with the base 1, the fifth spring 66 is held and fixed between the mounting plate 64 and the base 1, the roller 67 is rotated to the bottom end of the mounting plate 64, the second lever 68 is rotated inside the base 1, one end of the second lever 68 abuts against the mounting plate 64, the first lever 61 is rotated inside the base 1 and the first lever 61 abuts against the second lever 68, the pedal 62 is fixed to one end of the first lever 61, because the mounting plate 64 slides in the base 1, the roller 67 is rotated at the bottom end of the mounting plate 64, the mounting plate 64 is always attached to the base 1 under the tensile force of the fifth spring 66, so that the roller 67 is not interfered with the ground, when the position of the boiler body 2 needs to be moved for fine adjustment, the pedal 62 is only needed to be trampled, the first lever 61 is rotated in the base 1, the first lever 61 is fixed with the pedal 62, namely, the rotation of the first lever 61 can be realized by trampling the pedal 62, the two ends of the second lever 68 which is rotatably connected in the base 1 are respectively interfered with the mounting plate 64 and the first lever 61, and the trampled force can be changed in direction through the arrangement of the second lever 68, so that the mounting plate 64 can be ejected, and through the labor-saving effect of the two levers, the treading force can be ensured to jack the empty boiler body 2 for fine adjustment of the position.

Specifically, the angle adjusting structure 7 includes a fixing ring 71, a smoke outlet pipe 72, a sliding groove 73, a sliding block 74, a fixing bolt 75, balls 76, a rubber pad 77 and a sealing ring 78, the fixing ring 71 is fixed to the top end of the boiler body 2, the sliding groove 73 is formed in the outer side wall of the fixing ring 71, the sliding block 74 slides in the sliding groove 73, the sliding block 74 is locked to the fixing ring 71 through the fixing bolt 75, the rubber pad 77 is fixed to one end of the fixing bolt 75, the smoke outlet pipe 72 rotates at the top end of the fixing ring 71, the smoke outlet pipe 72 is fixed to the sliding block 74, the sealing ring 78 is fixed to the inside of the smoke outlet pipe 72, the sealing ring 78 rotates with the fixing ring 71, because the fixing ring 71 is mounted to the top end of the boiler body 2, and the sliding block 74 slides in the sliding groove 73 in the inside of the fixing ring 71, the slide block 74 can be locked and fixed with the fixing ring 71 through the fixing bolt 75 so as to fix the position of the determined angle, and the smoke outlet pipe 72 is fixed with the slide block 74, so that the position of the smoke outlet pipe 72 can be adjusted through the position adjustment of the slide block 74, the smoke outlet pipe 72 is convenient to connect with external pipelines at different positions, and the leakage of smoke can be avoided through the arrangement of the sealing ring 78.

When in use, when gas needs to be introduced into the boiler body 2 for combustion and heating, the gas can be combusted by the burner 31 and then sprayed into the boiler body 2 through the combustion pipe 34 and the nozzle 38, so as to perform combustion and heating work on the interior of the boiler body 2, because the first sealing column 35 is slidably arranged in the combustion pipe 34, when the combusted gas enters the combustion pipe 34 in a high pressure form, the first sealing column 35 is pushed to slide downwards, the first sealing column 35 is made of a high temperature resistant ceramic material, then when the first sealing column 35 slides to a position where the first connecting pipe 37 is no longer blocked, the first sealing column 35 enters the first connecting pipe 37, and finally is sprayed into the boiler body 2 from the nozzle 38 for combustion and heating on the interior of the boiler body 2, because the first fixing rod 39 is fixed at the bottom end of the first sealing column 35, when the first sealing post 35 slides downwards, the first fixing rod 39 is driven to slide downwards, because the first fixing rod 39 is connected with the second fixing rod 39e through the connecting rod 39a, and the second fixing rod 39e is fixed with the second sealing post 39c and slides inside the fixing tube 39b, therefore, when the first sealing post 35 slides downwards, the second sealing post 39c also slides downwards, because the oxygen tube 32 is communicated with the inside of the fixing tube 39b through the through hole 33, when the second sealing post 39c slides downwards to no longer block the second connecting tube 39f, the oxygen inside the oxygen tube 32 enters the nozzle 38 through the through hole 33, the fixing tube 39b and the second connecting tube 39f, and is mixed with the burning gas, and because of the addition of the oxygen, the sufficient burning of the gas can be ensured, the situation that gas is not combusted sufficiently is avoided, the oxygen inlet amount can be automatically controlled according to the gas amount entering the first connecting pipe 37, meanwhile, the cleaning ring 39h on the connecting rod 39g can be driven to clean smoke dust on the inner side wall of the spray head 38 in the downward movement process of the connecting rod 39a, and the oxygen is controlled according to the introduction of the gas, so that the automatic control is realized through a simple structure, the cost is saved, the waste of the oxygen can be avoided, and the energy source saving effect is achieved; because the filter screen 47 is installed between the first water inlet pipe 41 and the second water inlet pipe 42, the water entering the interior of the boiler body 2 can be filtered, impurities are prevented from entering the interior of the boiler body 2, the interior of the boiler body 2 is blocked and cannot work, and because the first water inlet pipe 41 and the second water inlet pipe 42 are detachably connected, the filter screen 47 can be conveniently maintained and replaced, the third water inlet pipe 44 is also installed at one end of the boiler body 2, the support pipe 45 is detachably installed at one end of the third water inlet pipe 44, the fixing sleeve 46 is fixed at one end of the support pipe 45 departing from the third water inlet pipe 44, the fixing sleeve 46 is communicated with the second water inlet pipe 42 through the hose 43, and because the sealing plug 48 slides in the fixing sleeve 46, the sealing plug 48 always keeps the blocking effect on the support tube 45 and the third water inlet tube 44 under the elastic force of the third spring 49, so that it can be ensured that when the filter screen 47 between the first water inlet tube 41 and the second water inlet tube 42 is not blocked, the elastic force of the third spring 49 is greater than the pressure of the internal water pressure, water cannot enter the interior of the support tube 45 from the fixing sleeve 46, when the filter screen 47 between the first water inlet tube 41 and the second water inlet tube 42 is blocked, the internal water pressure of the fixing sleeve 46 is increased at this time, due to the arc-shaped structure of the sealing plug 48, the sealing plug 48 is pushed to slide downwards under the action of the water pressure, and when the sealing plug 48 slides downwards to no longer block the interface between the fixing sleeve 46 and the support tube 45, water can temporarily enter the support tube 45 and the third water inlet tube 44 from the fixing sleeve 46, finally, the water-free flame-retardant rubber sheet enters the interior of the boiler body 2, so that the situation that the interior of the boiler body 2 is empty without water when the filter screen 47 is blocked can be avoided, the danger coefficient is greatly reduced, the safety production is ensured, in addition, because the first metal sheet 53 is fixed at one end of the sealing plug 48, the first metal sheet 53 also slides with the fixing sleeve 46, when the sealing plug 48 is pressed and slides by the water flow pressure, the first metal sheet 53 is also driven to slide downwards, when the first metal sheet 53 slides downwards to be abutted against the second metal sheet 54, because the alarm 51 is respectively electrically connected with the power box 52 and the first metal sheet 53, the second metal sheet 54 is electrically connected with the power box 52, and at the moment, the first metal sheet 53, the alarm 51, the power box 52 and the second metal sheet 54 are in a conduction state, the alarm 51 can give an alarm, so that the worker can be reminded of clearing the blockage in time, and the normal production is ensured; because the mounting plate 64 slides in the base 1, the roller 67 is rotated at the bottom end of the mounting plate 64, the mounting plate 64 is always attached to the base 1 under the tensile force of the fifth spring 66, so that the roller 67 is not interfered with the ground, when the position of the boiler body 2 needs to be moved for fine adjustment, the pedal 62 is only needed to be trampled, the first lever 61 is rotated in the base 1, the first lever 61 is fixed with the pedal 62, namely, the rotation of the first lever 61 can be realized by trampling the pedal 62, the two ends of the second lever 68 which is rotatably connected in the base 1 are respectively interfered with the mounting plate 64 and the first lever 61, and the trampled force can be changed in direction through the arrangement of the second lever 68, so that the mounting plate 64 can be ejected, through the labor-saving effect of the two levers, the pedal force can be ensured to jack the empty boiler body 2 for fine adjustment of the position; because the fixing ring 71 is mounted at the top end of the boiler body 2, and the slider 74 slides in the sliding groove 73 in the fixing ring 71, the slider 74 can be locked and fixed with the fixing ring 71 through the fixing bolt 75, so that the position of the determined angle is fixed, and the smoke outlet pipe 72 is fixed with the slider 74, the position adjustment of the smoke outlet pipe 72 can be realized through the position adjustment of the slider 74, so that the smoke outlet pipe 72 is conveniently connected with pipelines at different positions outside, and through the arrangement of the sealing ring 78, the smoke can be prevented from leaking outside.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a three return stroke vertical gas boiler which characterized in that: the boiler comprises a base (1), a boiler body (2), a combustion-supporting structure (3), a protective structure (4), an alarm structure (5), a moving structure (6) and an angle adjusting structure (7), wherein the boiler body (2) for heating water is fixed at the top end of the base (1) for fixing and supporting; the boiler is characterized in that a combustion-supporting structure (3) which is used for introducing gas into the boiler body (2) for combustion and heating and can automatically introduce oxygen for combustion supporting is installed at one end of the boiler body (2), and a protection structure (4) which is used for supplying water and filtering the interior of the boiler body (2) and can play a role in blocking protection is installed at one end of the boiler body (2); the alarm structure (5) which can give an alarm when the protective structure (4) is blocked is arranged at one end of the protective structure (4), the moving structure (6) which can facilitate the movement of the boiler body (2) is arranged at the bottom end of the base (1), and the angle adjusting structure (7) for adjusting the connecting angle of an external smoke pipe is arranged at the top end of the boiler body (2);

the combustion-supporting structure comprises a burner (31), an oxygen pipe (32), a through hole (33), a burner pipe (34), a first sealing column (35), a first spring (36), a first connecting pipe (37), a spray head (38), a first fixing rod (39), a connecting rod (39a), a fixing pipe (39b), a second sealing column (39c), a second spring (39d), a second fixing rod (39e), a second connecting pipe (39f), a connecting rod (39g) and a cleaning ring (39h), wherein the burner (31) is installed at the top end of the boiler body (2), the oxygen pipe (32) is fixed at the top end of the boiler body (2), the burner pipe (34) is installed at the bottom end of the burner (31), the first sealing column (35) is slid in the burner pipe (34), and the first spring (36) is clamped and fixed between the first sealing column (35) and the burner pipe (34), fixing the first connection pipe (37) at the outside of the combustion pipe (34), and the other end of the first connection pipe (37) fixes the shower head (38), sliding the first fixing rod (39) at the inside of the combustion pipe (34), one end of the first fixing rod (39) fixes the first sealing post (35), the other end of the first fixing rod (39) fixes the connection rod (39a) in a perpendicular relationship, fixing the fixing pipe (39b) at one end of the combustion pipe (34), and the fixing pipe (39b) communicates with the oxygen pipe (32) through the through hole (33), sliding the second sealing post (39c) at the inside of the fixing pipe (39b), clamping and fixing the second spring (39d) between the second sealing post (39c) and the fixing pipe (39b), fixing the second fixing rod (39e) at one end of the second sealing post (39c), the second fixing rod (39e) slides with the fixing pipe (39b), the second fixing rod (39e) is fixed with the connecting rod (39a), the second connecting pipe (39f) is fixed at one end of the fixing pipe (39b), and the other end of the second connecting pipe (39f) is connected with the spray head (38); the bottom of connecting rod (39a) is connected with connecting rod (39g), just the end connection of connecting rod (39g) has clearance ring (39h) of contradicting with shower nozzle (38) inside wall.

2. A three-pass vertical gas boiler according to claim 1, characterized in that: the protection structure (4) comprises a first water inlet pipe (41), a second water inlet pipe (42), a hose (43), a third water inlet pipe (44), a support pipe (45), a fixing sleeve (46), a filter screen (47), a sealing plug (48) and a third spring (49), wherein one end of the boiler body (2) is fixed with the first water inlet pipe (41), one end of the first water inlet pipe (41) departing from the boiler body (2) is detachably provided with the second water inlet pipe (42), the filter screen (47) is arranged at the joint of the first water inlet pipe (41) and the second water inlet pipe (42), the outer side wall of the boiler body (2) is fixed with the third water inlet pipe (44), one end of the third water inlet pipe (44) departing from the boiler body (2) is detachably provided with the support pipe (45), and the filter screen (47) is arranged between the support pipe (45) and the third water inlet pipe (44), the fixing sleeve (46) is fixed at one end of the supporting pipe (45) which is far away from the third water inlet pipe (44), the interior of the second water inlet pipe (42) is communicated with the interior of the fixing sleeve (46) through the hose (43), the sealing plug (48) is slid in the interior of the fixing sleeve (46), and the third spring (49) is clamped and fixed between the sealing plug (48) and the fixing sleeve (46).

3. A three-pass vertical gas boiler according to claim 2, characterized in that: the alarm structure (5) comprises an alarm (51), a power box (52), a first metal sheet (53), a second metal sheet (54) and a fourth spring (55), the alarm (51) is arranged at the top end of the fixed sleeve (46), the power supply box (52) is arranged in the fixed sleeve (46), the first metal sheet (53) is fixed at one end of the sealing plug (48), and the first metal sheet (53) slides inside the fixed sleeve (46), sliding the second metal sheet (54) inside the fixing sleeve (46), clamping and fixing the fourth spring (55) between the second metal sheet (54) and the fixing sleeve (46), the first metal sheet (53) is electrically connected with the alarm (51), the power supply box (52) is electrically connected with the alarm (51), and the second metal sheet (54) is electrically connected with the power supply box (52).

4. A three-pass vertical gas boiler according to claim 1, characterized in that: the moving structure (6) comprises a first lever (61), a pedal (62), a support leg (63), a mounting plate (64), a guide post (65), a fifth spring (66), a roller (67) and a second lever (68), the support leg (63) is fixed at the bottom end of the base (1), the mounting plate (64) slides in the base (1), the guide post (65) is fixed at the top end of the mounting plate (64), the guide post (65) slides with the base (1), the fifth spring (66) is clamped and fixed between the mounting plate (64) and the base (1), the roller (67) is rotated at the bottom end of the mounting plate (64), the second lever (68) is rotated in the base (1), one end of the second lever (68) abuts against the mounting plate (64), the first lever (61) is rotated in the base (1), and the first lever (61) is abutted against the second lever (68), and the pedal (62) is fixed at one end of the first lever (61).

5. A three-pass vertical gas boiler according to claim 1, characterized in that: the angle adjusting structure (7) comprises a fixing ring (71), a smoke outlet pipe (72), a sliding groove (73), a sliding block (74), a fixing bolt (75), a ball (76), a rubber pad (77) and a sealing ring (78), the fixing ring (71) is fixed at the top end of the boiler body (2), the sliding groove (73) is formed in the outer side wall of the fixing ring (71), the sliding block (74) slides in the sliding groove (73), the sliding block (74) is locked with the fixing ring (71) through the fixing bolt (75), the rubber pad (77) is fixed at one end of the fixing bolt (75), the smoke outlet pipe (72) is rotated at the top end of the fixing ring (71), the smoke outlet pipe (72) is fixed with the sliding block (74), and the sealing ring (78) is fixed in the smoke outlet pipe (72), and the sealing ring (78) and the fixing ring (71) rotate.