Combustion control device for steam boiler

Abstract

The present invention relates to the technical field of steam furnaces, and discloses a combustion control device for a steam furnace, the device comprising a steam furnace body, the steam furnace body being filled with water; a water supply mechanism connected to the steam furnace body and used for conveying water into the steam furnace; the water supply mechanism comprising a water supply valve, a sampling assembly, a water inlet hose and a water outlet hose respectively arranged on the water supply valve; the sampling assembly comprising a mounting seat, a sampling control valve, a sampling control valve, a sampling part and a driving member; through the arranged sampling assembly, when water is supplied to the steam furnace, water is sampled, and then the amount of water alkali produced in the furnace body is estimated according to the detection result of the sample, and when the estimated value is greater than the expected value, the amount of gas charged is increased, the temperature in the furnace body is increased, and the normal operation of the steam furnace is ensured; the device controls the combustion temperature of the combustion assembly in the furnace body according to the amount of water transported to the steam furnace, so that the combustion temperature meets the established standard.

Description

Technical Field

[0001] The invention relates to the technical field of steam furnaces, in particular to a combustion control device of a steam furnace. Background Art

[0002] Steam generator, also called steam heat source machine (commonly known as boiler), is a mechanical device that uses the heat energy of gas or other energy sources to heat water into hot water or steam. The original meaning of pot refers to a water container heated on fire, and furnace refers to a place where gas is burned. The boiler consists of two parts: pot and furnace. Gas is filled into the furnace and burned in the furnace. The heat from the combustion can flow along the smoke pipe in the steam furnace, thereby heating the water in the boiler and gasifying it to produce steam.

[0003] For example, the patent with publication number CN111457339A discloses a steam boiler, including a furnace body, wherein a holding cavity for storing water is provided in the furnace body; the steam boiler also includes a combustion device for heating the water in the holding cavity, wherein the combustion device is arranged in the holding cavity, and an output end of the combustion device is connected to a smoke pipe, wherein the smoke pipe is spirally arranged around the periphery of the combustion device to improve the heat transfer efficiency of the smoke pipe; by spirally arranged the smoke pipe around the periphery of the smoke pipe, the length of the smoke pipe is increased in a limited space, the time of heat transfer between the flue gas and water is prolonged, the effect of heat transfer between the flue gas and water is improved, thereby improving the thermal efficiency of the steam boiler.

[0004] However, there are still some problems with the above steam boiler. In the above patent, because the effect of heat transfer between flue gas and water is increased, the amount of steam generated per unit time is relatively large, and steam is formed by evaporation of water. Therefore, before the steam boiler works, water needs to be added to the boiler body, and then the combustion device needs to adjust the amount of gas entering the furnace body according to the amount of water added, so as to control the combustion temperature in the furnace body. Therefore, there is a certain relationship between the combustion control of the steam boiler and the amount of water added to the furnace body. Most of the existing water is tap water, and the tap water is directly passed into the boiler. The tap water contains more calcium sulfate that is slightly soluble in water, and during the heating process, , carbonate will combine with calcium, magnesium and other ions to generate water-insoluble calcium carbonate and magnesium carbonate, namely limescale, and the limescale will adhere to the surface of the smoke pipe or furnace body, reducing the heat transfer efficiency of the combustion device. Since the number of ions contained in tap water at different time periods is different, it is necessary to sample the tap water, and then estimate the amount of limescale in the pot body based on the sampling results. When it reaches the expected value, since the limescale will reduce the heat transfer efficiency of the smoke pipe and furnace body, it is necessary to clean the furnace body or smoke pipe to ensure the heat transfer efficiency of the combustion device, or reversely adjust the combustion temperature of the combustion device, so that the heat transfer efficiency reaches the expected value and ensure the normal operation of the steam boiler.

[0005] Therefore, how to sample tap water during the process of boiler water supply is a problem that needs to be solved at present. Summary of the invention

[0006] The present invention provides a combustion control device for a steam furnace to solve the above problems existing in the prior art.

[0007] A combustion control device for a steam furnace, comprising:

[0008] The steam furnace body is filled with water;

[0009] A water supply mechanism, connected to the steam boiler body, for supplying water to the steam boiler;

[0010] The combustion assembly is connected to the steam furnace body; it is used to transport gas and air into the steam furnace, and make the gas burn in the steam furnace, and at the same time adjust the gas supply according to the water supply of the water supply mechanism;

[0011] The water supply mechanism comprises a water supply valve, a sampling assembly, a water inlet hose and a water outlet hose respectively arranged on the water supply valve;

[0012] A sampling assembly, used for sampling water flowing through a water supply valve, comprising a mounting seat, a sampling control valve, a sample outlet control valve, a sampling portion and a driving member;

[0013] The mounting seat is connected to the water supply valve, and a receiving cavity is provided therein. The sampling control valve is connected to the water supply valve, and water enters the receiving cavity in the mounting seat through the sampling control valve;

[0014] The sampling part includes a driving gear located in the accommodating cavity and a driven gear meshed with the driving gear, and the gap between the gear tooth groove and the accommodating cavity is a sample accommodating area;

[0015] A driving member, located on the mounting seat, for driving the driving gear to rotate so that the water in the sample holding area is discharged from the sample outlet control valve;

[0016] A connecting cavity is also provided in the mounting seat, and the connecting cavity is used to contain water flowing in from the sampling control valve and supply the water to the sampling part for sampling;

[0017] The combustion assembly is prior art, wherein the combustion assembly includes an air supply section and a combustion section, wherein the combustion section is used to fill the furnace body with combustible gas and ignite it, and the air supply section can fill the furnace body with air to ensure that the combustible gas can burn smoothly. The device can adjust the combustion temperature according to the amount of water injected into the steam furnace. At the same time, after working for a period of time, water alkali will be attached to the furnace body. Since the water alkali will have a heat-insulating effect, it is necessary to increase the temperature in the furnace body to ensure the normal operation of the steam furnace.

[0018] In a further embodiment, the mounting seat is further provided with a sampling seat located on both sides of the driving gear and the driven gear and rotatably connected to the driving gear and the driven gear;

[0019] The sampling seat is gourd-shaped, and a U-shaped groove is provided at the waist of the gourd-shaped sampling seat and in the area facing the gear, and a notch is provided at the bottom of the U-shaped groove;

[0020] The driving member comprises a transmission shaft for connecting two driving gears, and one end of the transmission shaft passes through a mounting seat and is connected to a driving motor.

[0021] In a further embodiment, the water supply valve includes a drive assembly, and the drive assembly includes a pipe seat and a drive part;

[0022] A feed pipe connected to the feed end of the tube seat and used to transport water to the tube seat;

[0023] A filter assembly is arranged in the feed pipe and is used to filter impurities in the water;

[0024] A regulating component, connected to the feed end of the feed pipe, for regulating the flow rate of water;

[0025] A discharge pipe, connected to the discharge end of the pipe seat, for discharging water;

[0026] The pipe seat is configured as a flow channel for water;

[0027] The driving part is connected to the pipe seat and is used for controlling the flow of water in the pipe seat.

[0028] In a further embodiment, the adjustment assembly includes a connection seat disposed on the feed pipe, a connection head detachably connected to the connection seat, and a first gasket disposed between the connection seat and the connection head;

[0029] The connection seat is provided with a limiting hole, and the connection head is provided with a plurality of limiting members, and the limiting members have a predetermined elasticity;

[0030] When the connector is clamped on the connector base to form an integrated structure, the limiting piece is located in the limiting hole.

[0031] In a further embodiment, the connector includes a clamping seat, a first connecting tube and a second connecting tube respectively arranged on both sides of the clamping seat, and a plurality of third connecting tubes arranged on the clamping seat;

[0032] The second connecting pipe is sleeved on the first connecting pipe and the axes of the two coincide with each other;

[0033] The third connecting pipes are distributed around the first connecting pipe in a circular array;

[0034] The limiting members are evenly arranged on the circumference of the clamping seat, and the clamping seat is provided with an annular protrusion that abuts against the first gasket.

[0035] In a further embodiment, the feed pipe is further provided with an extension pipe in the radial direction;

[0036] The filter assembly includes a filter screen disposed in the extension tube and extending into the feed tube, a nut threadedly connected to the extension tube, and a second gasket disposed between the nut and the extension tube;

[0037] The area enclosed by the extension tube and the nut is used to collect impurities in water.

[0038] In a further embodiment, the driving part includes an electromagnetic frame connected to the tube seat, a support shaft arranged on the electromagnetic frame, an electromagnet sleeved on the support shaft and connected to the electromagnetic frame, a coil located between the electromagnet and the electromagnetic frame and sleeved on the electromagnet, a moving iron core slidably connected to the support shaft, a spring for connecting the moving iron core and the support shaft, and a pull block arranged at the bottom of the moving iron core;

[0039] The coil is connected to a power source, and the support shaft is a ⊥-shaped hollow structure.

[0040] In a further embodiment, a sealing gasket is sleeved on the pull block, and the sealing gasket is an inwardly concave bowl-shaped structure, and the outer wall of the sealing gasket extends a predetermined length along the radial direction of the sealing gasket to form a sealing protrusion, and limiting grooves abutting against the tube seat and the electromagnetic frame are respectively provided on both sides of the sealing protrusion, and the diameters of the two limiting grooves are different;

[0041] The bottom of the sealing gasket with the concave bowl-shaped structure has a predetermined deformation capacity.

[0042] In a further embodiment, the tube seat is provided with an L-shaped first channel, a support tube provided in the L-shaped first channel, and a second pipe connected to the support tube and used to connect the support tube and the discharge pipe;

[0043] One end of the first channel is connected to the discharge end of the feed pipe;

[0044] The support tube extends toward the pulling block and is flush with the other end of the first channel. A gap for water to pass through exists between the outer wall of the support tube and the wall of the first channel.

[0045] In a further embodiment, the support tube and the second pipe form a ┠-shaped structure, and the second pipe is located between the top and the bottom of the support tube;

[0046] An extension pipe is also provided between the support pipe and the sampling control valve for allowing water to enter the sampling assembly.

[0047] Beneficial effect: The present invention discloses a combustion control device for a steam boiler. The device is capable of sampling tap water during the process of boiler water supply. When sampling is required, water moves in the water supply valve. At this time, the sampling control valve in the sampling assembly is opened, and water enters the mounting seat from the supporting pipe. At this time, the water fills the connecting cavity in the mounting seat. Then the driving motor starts to work. The moving driving motor can drive the transmission shaft to rotate, and then the rotating transmission shaft drives the driving gear sleeved thereon to rotate. Since the driving gear is meshed with the driven gear, the driven gear and the driving gear move in opposite directions. The driving gear moves counterclockwise. During the movement of the driving gear and the driven gear, the water in the connecting cavity is filled in the tooth groove. As the gear rotates, the water is transported so that it can be located at the sampling control valve. The water is discharged from the sampling control valve, and then as the driving gear rotates, the volume of the suction chamber (i.e., the accommodating chamber, the tooth groove and the surrounding and The area connected to the sampling control valve) increases, thereby increasing the volume of the suction chamber and reducing the pressure. At this time, the water in the water supply valve can be sucked into the suction chamber through the sampling control valve under the action of negative pressure, and then the water is transported as the gear rotates. By controlling the speed of the gear and the size of the gear tooth groove, the corresponding volume of water can be taken out; then the taken out water can be transported to a predetermined position through the sampling control valve to complete the sampling of tap water, and then the sample is tested. According to the test result of the sample, the amount of water alkali generated in the furnace body is estimated. According to the estimated value, a large amount of water alkali is avoided from adhering to the smoke pipe or the outer surface of the furnace body. When the estimated value is greater than the expected value, the smoke pipe or the furnace body needs to be cleaned, or the amount of gas charged is increased to increase the temperature in the furnace body to ensure the normal operation of the steam furnace. The device controls the combustion temperature of the combustion component in the furnace body according to the amount of water supplied to the steam furnace, so that the combustion temperature meets the established standard. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of a combustion control device of a steam furnace of the present invention;

[0049] Figure 2 It is a cross-sectional view of the water supply mechanism structure of the present invention;

[0050] Figure 3 It is a schematic diagram of the structure of the water supply mechanism of the present invention;

[0051] Figure 4 is a schematic diagram of a moving iron core of the present invention;

[0052] Figure 5 It is a schematic diagram of the tube base structure of the present invention;

[0053] Figure 6 It is a schematic diagram of the structure of the regulating component of the present invention;

[0054] Figure 7 is an exploded view of the adjustment assembly of the present invention;

[0055] Figure 8 It is a schematic diagram of the structure of the sampling assembly of the present invention;

[0056] Fig. 9 It is a schematic diagram of the structure of the sampling part of the present invention;

[0057] Fig.10 It is a schematic diagram of the sampling portion of the present invention;

[0058] Fig.11 It is a schematic diagram of the structure of the sampling seat of the present invention.

[0059] Figure numerals: 1, driving assembly; 11, driving part; 111, electromagnet; 112, supporting shaft; 113, moving iron core; 114, spring; 115, electromagnetic frame; 116, pull block; 117, sealing gasket; 12, pipe seat; 121, first channel; 122, supporting pipe; 123, second pipeline; 2, feeding pipe; 3, discharging pipe; 4, sampling assembly; 41, mounting seat; 42, sampling control valve; 43, discharging control valve; 44, sampling Sample part; 441, sampling seat; 442, driving gear; 443, driven gear; 444, transmission shaft; 5, adjustment component; 51, connecting seat; 52, first gasket; 53, connector; 531, clamping seat; 532, limiter; 533, first connecting pipe; 534, second connecting pipe; 535, third connecting pipe; 6, filter component; 61, second gasket; 62, nut; 63, filter screen; 7, steam furnace; 8, combustion component. DETAILED DESCRIPTION

[0060] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0061] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0062] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0063] The present invention discloses a combustion control device for a steam furnace, referring to Figure 1-Figure 11 ,include:

[0064] The steam furnace 7 body is filled with water; the water supply mechanism is connected to the steam furnace 7 body and is used to transport water to the steam furnace 7; the combustion component 8 is connected to the steam furnace 7 body; it is used to transport gas and air to the steam furnace 7, and make the gas burn in the steam furnace 7, and at the same time adjust the gas supply according to the water supply of the water supply mechanism; the water supply mechanism includes a water supply valve, a sampling component 4, a water inlet hose and a water outlet hose respectively arranged on the water supply valve; the sampling component 4 is used to sample the water flowing through the water supply valve, and it includes a mounting seat 41, a sampling control valve 42, a sampling control valve 43, a sampling part 44 and a driving member; the mounting seat 41 is connected to the water supply valve, A accommodating chamber is provided therein, and a sampling control valve 42 is connected to a water supply valve, and water enters the accommodating chamber in the mounting seat 41 through the sampling control valve 42; a sampling portion 44 comprises a driving gear 442 located in the accommodating chamber, and a driven gear 443 meshing with the driving gear 442, and a gap between the gear tooth groove and the accommodating chamber is a sample accommodating area; a driving member is located on the mounting seat 41, and is used to drive the driving gear 442 to rotate, so that water in the sample accommodating area is discharged from the sampling control valve 43; when sampling is required, water moves in the water supply valve, and at this time, the sampling control valve 42 in the sampling assembly 4 is opened, and water enters the mounting seat 41 from the support tube 122, At this time, the water fills the connecting cavity in the mounting seat 41, and then the driving motor starts to work. The moving driving motor can drive the transmission shaft 444 to rotate, and then the rotating transmission shaft 444 drives the driving gear 442 mounted thereon to rotate. Since the driving gear 442 is meshed with the driven gear 443, the driven gear 443 and the driving gear 442 move in opposite directions, and the driving gear 442 moves counterclockwise. During the movement of the driving gear 442 and the driven gear 443, the water in the connecting cavity is filled in the tooth groove. As the gears rotate, the water is transported so that it can be located at the sample outlet control valve 43, and the water is discharged from the sample outlet control valve 43, and then along with the driving gear 442 The rotation of the gear causes the volume of the suction chamber (i.e., the area surrounded by the accommodating cavity and the tooth groove and connected to the sampling control valve 42) to increase, thereby increasing the volume of the suction chamber and reducing the pressure. At this time, the water in the water supply valve can be sucked into the suction chamber through the sampling control valve 42 under the action of negative pressure, and then the water is transported as the gear rotates. By controlling the speed of the gear and the size of the gear tooth groove, the corresponding volume of water can be taken out; then the taken out water can be transported to a predetermined position through the sampling control valve 43 to complete the sampling of tap water; the device controls the combustion temperature of the combustion component 8 in the furnace body according to the amount of water transported to the steam furnace 7, so that the combustion temperature meets the predetermined standard.

[0065] In a further embodiment, one end of the water inlet hose is sleeved on the connecting head 53, and the other end thereof is connected to the water pump, one end of the water outlet hose is connected to the discharge pipe 3, and the other end is connected to the steam furnace 7. Through the operation of the water pump, water can flow along the water inlet hose and the regulating assembly 5 into the water supply valve, and then enter the steam furnace 7 from the water outlet end of the discharge pipe 3, thereby completing the water supply work for the steam furnace 7, and at the same time, it can also replenish water for the steam furnace 7 that has been working for a long time to avoid dry burning of the steam furnace 7; after completing the water sampling work, the sample is tested, and according to the test result of the sample, the amount of water alkali generated in the furnace body is estimated, and according to the estimated value, a large amount of water alkali is avoided from adhering to the outer surface of the smoke pipe or the furnace body. When the estimated value is greater than the expected value, it is necessary to clean the smoke pipe or the furnace body, or increase the amount of gas charged, increase the temperature in the furnace body, and ensure that the steam furnace 7 can work smoothly; at the same time, the number of the sampling parts 44 can be set to multiple, and they are evenly arranged in the length direction of the connecting cavity.

[0066] The mounting seat 41 is also provided with a connecting cavity, which is used to accommodate water flowing in from the sampling control valve 42 and supply the water to the sampling part 44 for sampling; the mounting seat 41 is also provided with a sampling seat 441 located on both sides of the driving gear 442 and the driven gear 443 and rotatably connected to the driving gear 442 and the driven gear 443; the sampling seat 441 is gourd-shaped, and a U-shaped groove is provided at the waist of the gourd-shaped sampling seat 441 and in the area facing the gear, as well as a notch at the bottom of the U-shaped groove; the driving member includes a transmission shaft 442 for connecting the two driving gears 442 44, one end of the transmission shaft 444 passes through the mounting seat 41 and is connected to the driving motor; the connecting cavity is provided so that the water entering the mounting seat 41 can be located at each sampling part 44, and at the same time, through the U-shaped groove and the notch provided on the sampling seat 441, the water can be slowly injected into the tooth groove during the rotation of the gear to avoid the injection affecting the flow of water in the tube seat 12. At the same time, during the sampling work, the working driving motor can drive the transmission shaft 444 to rotate, so that the driving gear 442 rotates synchronously, so that the two sampling parts 44 can perform sampling work at the same time.

[0067] The water supply valve includes a driving component 1, which includes a pipe seat 12 and a driving part 11; a feed pipe 2, which is connected to the feed end of the pipe seat 12 and is used to transport water to the pipe seat 12; a filter component 6, which is arranged in the feed pipe 2 and is used to filter impurities in the water; an adjustment component 5, which is connected to the feed end of the feed pipe 2 and is used to adjust the flow rate of water when the water enters the pipe seat 12; a discharge pipe 3, which is connected to the discharge end of the pipe seat 12 and is used to discharge water; the pipe seat 12 is set as a water flow channel; the driving part 11 is connected to the pipe seat 12 and is used to control the flow of water in the pipe seat 12.

[0068] The adjusting assembly 5 includes a connecting seat 51 arranged on the feeding pipe 2, a connecting head 53 detachably connected to the connecting seat 51, and a first gasket 52 arranged between the connecting seat 51 and the connecting head 53; the connecting seat 51 is provided with a limiting hole, and the connecting head 53 is provided with a plurality of limiting members 532, and the limiting members 532 have a predetermined elasticity; the connecting head 53 is clamped on the connecting seat 51 to form an integrated structure, and the limiting member 532 is located in the limiting hole; through the provided limiting hole and the limiting member 532 with a predetermined elasticity, the connecting seat 51 and the connecting head 53 can be detachably connected, and the device can be disassembled and replaced when it is damaged.

[0069] The connector 53 includes a clamping seat 531, a first connecting pipe 533 and a second connecting pipe 534 respectively arranged on both sides of the clamping seat 531, and a plurality of third connecting pipes 535 arranged on the clamping seat 531; wherein the second connecting pipe 534 is sleeved on the first connecting pipe 533 and the axes of the two coincide; the third connecting pipes 535 are distributed around the first connecting pipe 533 in a circular array; the limiting members 532 are evenly arranged on the circumference of the clamping seat 531, and the clamping seat 531 is provided with an annular protrusion that abuts against the first gasket 52; in the working state, water passes through the first connecting pipe 533 and the third connecting pipe 535 separately. Do not enter the second connecting pipe 534 and the area between the second connecting pipe 534 and the connecting seat 51. The diameter of the second connecting pipe 534 and the area between the second connecting pipe 534 and the connecting seat 51 are larger than the amount of water transported by the first connecting pipe 533 and the third connecting pipe 535, which reduces the flow rate of water when entering the feed pipe 2 to avoid excessive flow rate, which causes the water to directly impact the filter screen 63, causing some block impurities to enter the water supply valve through the filter screen 63, and then enter the steam furnace 7. At the same time, the device can reduce the flow rate of the water flow by setting the connecting head 53 to avoid excessive flow rate of the water flow when entering the steam furnace 7 and causing damage to the steam furnace 7.

[0070] The feed pipe 2 is also provided with an extension pipe in the radial direction, and the filter assembly 6 includes a filter screen 63 arranged in the extension pipe, a nut 62 threadedly connected to the extension pipe, and a second gasket 61 arranged between the nut 62 and the extension pipe; the area enclosed by the extension pipe and the nut 62 is used to collect impurities in the water; in the working state, after the water passes through the feed pipe 2, the water can be located in the area enclosed by the extension pipe and the nut 62, and the impurities with larger mass can sink to the bottom thereof, and after the water supply valve is closed, the mixture of water and impurities located in the area enclosed by the extension pipe and the nut 62 can be discharged by rotating the nut 62; the extension pipe can also have a buffering effect on the water.

[0071] The driving part 11 includes an electromagnetic frame 115 connected to the tube seat 12, a support shaft 112 arranged on the electromagnetic frame 115, an electromagnet 111 sleeved on the support shaft 112 and connected to the electromagnetic frame 115, a coil located between the electromagnet 111 and the electromagnetic frame 115 and sleeved on the electromagnet 111, a moving iron core 113 slidably connected to the support shaft 112, a spring 114 for connecting the moving iron core 113 and the support shaft 112, and a pull block 116 arranged at the bottom of the moving iron core 113; the coil is connected to a power source, and the support shaft 112 is a ⊥-shaped hollow structure; when water is required to flow in the water supply valve, the power source can supply power to the coil and form a magnetic field, and then the moving iron core 113 can be moved closer to the support tube 122. During the movement of the moving iron core 113, the pull block 116 can be driven to move, thereby changing the position of the sealing gasket 117 on the pull block 116, so that the sealing gasket 117 is in contact with the support The top of the support tube 122 abuts against the support tube 12, thereby preventing water from flowing in the tube seat 12; when water needs to flow in the tube seat 12, the power supply stops supplying power to the coil, the magnetic field disappears, and under the action of the tension spring 114, the moving iron core 113 moves in the opposite direction, and the moving moving iron core 113 can drive the pull block 116 to move, so that a gap appears between the sealing gasket 117 and the first channel 121 and the top of the support tube 122, and water can enter the support tube 122 along the gap, and then the sampling component 4 can perform sampling work on it or the water can be directly discharged from the discharge pipe 3; the support tube 122 is set, and its top is higher than the plane where the first channel 121 is located, so water needs to fill the gap between the support tube 122 and the tube seat 12 before it can enter the support tube 122, which can buffer the water flow rate and avoid excessive water flow rate. At the same time, it can also prevent high-speed flowing liquid from entering the steam furnace 7, causing the steam furnace 7 to shake, thereby causing damage to the steam furnace 7.

[0072] A sealing gasket 117 is also sleeved on the pulling block 116. The sealing gasket 117 is a concave bowl-shaped structure. The outer wall of the sealing gasket 117 extends radially along the sealing gasket 117 by a predetermined length to form a sealing protrusion. The two sides of the sealing protrusion are respectively provided with limiting grooves that abut against the tube seat 12 and the electromagnetic frame 115, and the diameters of the two limiting grooves are different; the bottom of the sealing gasket 117 with the concave bowl-shaped structure has a predetermined deformation capacity; since the bottom of the sealing gasket 117 has a predetermined deformation capacity, during the movement of the moving iron core 113, the deformation amount of the sealing gasket 117 is changed, thereby increasing the gap size between the sealing gasket 117 and the first channel 121 and the top of the support tube 122, so that water can enter the support tube 122 and control the water outflow rate.

[0073] The tube seat 12 is provided with an L-shaped first channel 121, a support tube 122 provided in the L-shaped first channel 121, and a second pipe 123 connected to the support tube 122 and used to connect the support tube 122 and the discharge pipe 3; wherein one end of the first channel 121 is connected to the discharge end of the feed pipe 2; the support tube 122 extends toward the pull block 116 and is flush with the other end of the first channel 121, and there is a gap between the outer wall of the support tube 122 and the tube wall of the first channel 121 for water to pass through; the support tube 122 and the second pipe 123 form a ┠-shaped structure, and the second pipe 123 is located between the top and the bottom of the support tube 122; the support tube 12 An extension pipe is also provided between the sampling control valve 42 and the sampling assembly 4, for allowing water to enter the sampling assembly 4; when the water enters the tube seat 12, the water first passes through the first channel 121, and then is located in the area between the first channel 121 and the outer wall of the support tube 122. Since the length of the support tube 122 is greater than the diameter of one end of the first channel 121, after the water fills the area between the first channel 121 and the outer wall of the support tube 122, the movement of the pull block 116 can make the sealing gasket 117 away from the support tube 122, and then the water flows into the support tube 122 from the gap between the sealing gasket 117 and the support tube 122, thereby ensuring the smooth progress of the water transportation work, thereby completing the water supply work for the steam boiler 7.

[0074] Description of the working principle: when it is necessary to supply water to the steam boiler 7, the water pump moves so that the water can move through the water inlet hose to the water supply valve, and then is transported to the steam boiler 7 from the water outlet end of the water inlet hose to complete the water supply of the steam boiler 7. During this process, when water is required to flow in the water supply valve, the power supply can supply power to the coil and form a magnetic field, and then the moving iron core 113 can be moved closer to the support tube 122. During the movement of the moving iron core 113, the pull block 116 can be driven to move, thereby changing the position of the sealing gasket 117 on the pull block 116, so that the sealing gasket 117 abuts against the top of the support tube 122, thereby preventing the flow of water in the tube seat 12; when water is required to flow in the tube seat 12, the power supply is stopped. Power is supplied to the coil, the magnetic field disappears, and under the action of the tension spring 114, the moving iron core 113 moves in the opposite direction. The moving moving iron core 113 can drive the pulling block 116 to move, so that a gap appears between the sealing gasket 117 and the first channel 121 and the top of the support tube 122, and water can enter the support tube 122 along the gap, and then the sampling component 4 can perform sampling work on it or the water can be directly discharged from the discharge pipe 3; the support tube 122 is set, and its top is higher than the plane where the first channel 121 is located. Therefore, water needs to fill the gap between the support tube 122 and the tube seat 12 before it can enter the support tube 122, thereby controlling the water flow rate to avoid excessive water flow rate, and also avoiding high-speed flowing liquid. The body enters the steam furnace 7, causing the steam furnace 7 to shake, thereby avoiding damage to the steam furnace 7; when sampling is required, water moves in the water supply valve, at this time the sampling control valve 42 in the sampling assembly 4 is opened, and water enters the mounting seat 41 from the support tube 122, at this time the water fills the connecting cavity in the mounting seat 41, and then the driving motor starts to work, the moving driving motor can drive the transmission shaft 444 to rotate, and then the rotating transmission shaft 444 drives the driving gear 442 mounted thereon to rotate, because the driving gear 442 is meshed with the driven gear 443, the driven gear 443 and the driving gear 442 move in the opposite direction, and the driving gear 442 moves counterclockwise, and during the movement of the driving gear 442 and the driven gear 443 , the water in the communication cavity is filled in the tooth groove, and as the gear rotates, the water is transported so that it can be located at the sample control valve 43, and the water is discharged from the sample control valve 43, and then as the driving gear 442 rotates, the volume of the suction chamber (that is, the area surrounded by the accommodating cavity and the tooth groove and connected to the sampling control valve 42) increases, so that the volume of the suction chamber increases and the pressure decreases. At this time, the water in the water supply valve can be sucked into the suction chamber through the sampling control valve 42 under the action of negative pressure, and then as the gear rotates, the water is transported, and the corresponding volume of water can be taken out by controlling the speed of the gear and the size of the gear tooth groove; then the taken out water can be transported to a predetermined position through the sample control valve 43 to complete the sampling of tap water;After the water sampling is completed, the sample is tested, and the amount of water alkali produced in the furnace body is estimated according to the test result of the sample. According to the estimated value, a large amount of water alkali is prevented from adhering to the smoke pipe or the outer surface of the furnace body. When the estimated value is greater than the expected value, the smoke pipe or the furnace body needs to be cleaned, or the amount of gas charged is increased to increase the temperature in the furnace body to ensure that the steam furnace 7 can work smoothly. ;

[0075] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A combustion control device for a steam furnace, characterized in that: include: A steam furnace (7) body, wherein the steam furnace (7) body is filled with water; a water supply mechanism connected to the steam boiler (7) body and used for supplying water to the steam boiler (7); A combustion assembly (8) is connected to the main body of the steam furnace (7); it is used to transport gas and air into the steam furnace (7), to make the gas burn in the steam furnace (7), and to adjust the gas supply according to the water supply of the water supply mechanism; The water supply mechanism comprises a water supply valve, a sampling assembly (4), a water inlet hose and a water outlet hose respectively arranged on the water supply valve; A sampling assembly (4) is used to sample water flowing through a water supply valve, comprising a mounting seat (41), a sampling control valve (42), a sample outlet control valve (43), a sampling portion (44), and a driving member; The mounting seat (41) is connected to the water supply valve and has a receiving cavity therein. The sampling control valve (42) is in communication with the water supply valve, and water enters the receiving cavity in the mounting seat (41) through the sampling control valve (42); The sampling portion (44) comprises a driving gear (442) located in the accommodating cavity, and a driven gear (443) meshing with the driving gear (442), wherein the gap between the gear tooth groove and the accommodating cavity is a sample accommodating area; A driving member, located on the mounting seat (41), used to drive the driving gear (442) to rotate so that water in the sample containing area is discharged from the sample outlet control valve (43); A communication cavity is also provided in the mounting seat (41), and the communication cavity is used to contain water flowing in from the sampling control valve (42) and supply the water to the sampling portion (44) for sampling; The water supply valve comprises a drive assembly (1), wherein the drive assembly (1) comprises a pipe seat (12) and a drive part (11); A feed pipe (2) connected to the feed end of the pipe seat (12) and used for conveying water to the pipe seat (12); A filter assembly (6) is arranged in the feed pipe (2) and is used to filter impurities in the water; A regulating component (5) connected to the feed end of the feed pipe (2) and used to regulate the flow rate of water; A discharge pipe (3) connected to the discharge end of the pipe seat (12) and used for discharging water; The pipe seat (12) is configured as a flow channel for water; The driving part (11) is connected to the pipe seat (12) and is used to control the flow of water in the pipe seat (12); The adjustment assembly (5) comprises a connection seat (51) disposed on the feed pipe (2), a connection head (53) detachably connected to the connection seat (51), and a first gasket (52) disposed between the connection seat (51) and the connection head (53); The connection seat (51) is provided with a limiting hole, and the connection head (53) is provided with a plurality of limiting members (532), wherein the limiting members (532) have a predetermined elasticity; The connecting head (53) is clamped on the connecting seat (51) to form an integrated structure, and the limiting member (532) is located in the limiting hole; The connector (53) comprises a clamping seat (531), a first connecting tube (533) and a second connecting tube (534) respectively arranged on both sides of the clamping seat (531), and a plurality of third connecting tubes (535) arranged on the clamping seat (531); The second connecting tube (534) is sleeved on the first connecting tube (533) and the axes of the two coincide with each other; The third connecting pipes (535) are distributed around the first connecting pipe (533) in a circular array; The limiting members (532) are evenly arranged on the circumference of the clamping seat (531), and the clamping seat (531) is provided with an annular protrusion that abuts against the first gasket (52).

2. A combustion control device for a steam furnace according to claim 1, characterized in that: The mounting seat (41) is also provided with a sampling seat (441) located on both sides of the driving gear (442) and the driven gear (443) and rotatably connected to the driving gear (442) and the driven gear (443); The sampling seat (441) is gourd-shaped, and a U-shaped groove is provided at the waist of the gourd-shaped sampling seat (441) and in an area facing the gear, and a notch is provided at the bottom of the U-shaped groove; The driving member comprises a transmission shaft (444) for connecting two driving gears (442); one end of the transmission shaft (444) passes through the mounting seat (41) and is connected to the driving motor.

3. The combustion control device of a steam furnace according to claim 1, characterized in that: The feed pipe (2) is also provided with a first extension pipe in the radial direction; The filter assembly (6) comprises a filter screen (63) arranged in the first extension tube and extending into the feed tube (2), a nut (62) threadedly connected to the first extension tube, and a second gasket (61) arranged between the nut (62) and the first extension tube; The area enclosed by the first extension tube and the nut (62) is used to collect impurities in water.

4. The combustion control device of a steam furnace according to claim 1, characterized in that: The driving part (11) comprises an electromagnetic frame (115) connected to the tube seat (12), a support shaft (112) arranged on the electromagnetic frame (115), an electromagnet (111) sleeved on the support shaft (112) and connected to the electromagnetic frame (115), a coil located between the electromagnet (111) and the electromagnetic frame (115) and sleeved on the electromagnet (111), a moving iron core (113) slidably connected to the support shaft (112), a spring (114) for connecting the moving iron core (113) and the support shaft (112), and a pull block (116) arranged at the bottom of the moving iron core (113); The coil is connected to a power source, and the support shaft (112) is a ⊥-shaped hollow structure.

5. A combustion control device for a steam furnace according to claim 4, characterized in that: The pull block (116) is also sleeved with a sealing gasket (117), the sealing gasket (117) being an inwardly concave bowl-shaped structure, the outer wall of the sealing gasket (117) extending radially along the sealing gasket (117) by a predetermined length to form a sealing protrusion, and limiting grooves abutting against the tube seat (12) and the electromagnetic frame (115) are respectively provided on both sides of the sealing protrusion, and the two limiting grooves have different diameters; The bottom of the sealing gasket (117) with the concave bowl-shaped structure has a predetermined deformation capacity.

6. The combustion control device of a steam furnace according to claim 1, characterized in that: The tube seat (12) is provided with an L-shaped first channel (121), a support tube (122) provided in the L-shaped first channel (121), and a second tube (123) connected to the support tube (122) and used to connect the support tube (122) and the discharge tube (3); One end of the first channel (121) is connected to the discharge end of the feed pipe (2); The support tube (122) extends towards the pull block (116) and is flush with the other end of the first channel (121); a gap for water to pass through exists between the outer wall of the support tube (122) and the tube wall of the first channel (121).

7. A combustion control device for a steam furnace according to claim 6, characterized in that: The support tube (122) and the second pipe (123) form a ┠-shaped structure, and the second pipe (123) is located between the top and the bottom of the support tube (122); A second extension tube is also provided between the support tube (122) and the sampling control valve (42) for allowing water to enter the sampling assembly (4).

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