Boiler combustion monitoring device

By using the combination of a sealing valve and a conical sleeve in a boiler combustion monitoring device, the problem of damage to the thermometer caused by the high pressure inside the boiler is solved, and the service life of the detector is extended.

CN223460493UActive Publication Date: 2025-10-21GUONENG (FUZHOU) THERMOELECTRICITY CO LTD
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Patent Information

Application Number
CN202422229366.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-10-21
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

Steam accumulation inside the boiler causes the thermometer to be affected by high pressure, shortening its service life and making the existing boiler combustion monitoring device susceptible to damage.

Method used

A sealing valve is installed inside the detection tube, and the sealing valve is used to overlap with the conical sleeve under high pressure to avoid direct pressure acting on the temperature and pressure detectors, thereby extending their service life.

Benefits of technology

The cooperation between the sealing valve and the conical sleeve can avoid direct impact of high pressure on the temperature and pressure detectors, thereby increasing the service life of the monitoring device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of boilers, and discloses a boiler combustion monitoring device which comprises a boiler body, the top end of the interior of the boiler body is fixedly connected with a feeding pipeline, the two sides of the feeding pipeline are fixedly connected with protective sleeves, a cavity is formed between the feeding pipeline and the protective sleeves, and the protective sleeves are arranged in the cavity. The upper end of the cavity is movably sleeved with two sets of sealing plates, an elastic pull rope is installed outside the connecting position of the two sets of sealing plates, the upper end of the boiler body is movably sleeved with a detection pipe, and meanwhile the lower end of the detection pipe extends into the cavity. According to the boiler combustion monitoring device, the detection pipe is arranged in the feeding pipeline, and meanwhile, the protective sleeve is installed on the side face of the feeding pipeline, so that in the process that the detection pipe monitors the temperature and pressure intensity in the boiler body, the monitoring device can be prevented from making direct contact with heating equipment; therefore, the liquid flows into the monitoring device to cause damage to the monitoring device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technical field, concretely is a kind of boiler combustion monitoring device. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy in fuel, electric energy, boiler exports steam, high-temperature water or organic heat carrier with certain heat energy, the original meaning of boiler refers to the water container heated on fire, furnace refers to the place of burning fuel, boiler includes pot and two big parts of furnace. Hot water or steam generated in boiler can directly provide required heat energy for industrial production and people's life, can also be converted into mechanical energy through steam power device, or mechanical energy is converted into electric energy through generator again.

[0003] However, in the process of using boiler, with the long-term use of boiler, temperature is higher and higher, high temperature can cause damage to internal equipment of boiler, in order to avoid damage to the inside of boiler caused by high temperature, thermometer is installed in the inside of boiler, by observing the state of thermometer, the temperature inside the boiler can be monitored and handled, but with the use of boiler, steam will be generated in the inside of boiler, steam continues to accumulate, which can cause high pressure state in filter, high pressure state air can exert pressure on thermometer, which can cause damage to thermometer, thereby reducing the service life of temperature monitoring device, therefore, we provide a kind of boiler combustion monitoring device. UTILITY MODEL CONTENT

[0004] In view of the deficiency of existing boiler combustion monitoring device, the utility model provides a kind of boiler combustion monitoring device, it has the advantages that temperature detector extends to the inside of detection tube, and sealing valve is installed in the inside of detection tube, when high pressure state is generated in the inside of boiler body, pressure pushes sealing valve to move to inside, that is, sealing valve and conical sleeve coincide, that is, avoid pressure exerted on the outside of temperature detector, thereby improve the service life of temperature detector and pressure detector, solve the problem proposed in the above background art.

[0005] The utility model provides the following technical scheme: A boiler combustion monitoring device, including the boiler body, the top fixedly connected with the feeding pipe way in the boiler body inside, the both sides fixedly connected with the protective sleeve of feeding pipe way, form the cavity between feeding pipe way and the protective sleeve, the upper end of cavity is movably sleeved with two groups of sealing plate, the outside of sealing plate junction is installed with elastic pull rope, the inside movable sleeve of boiler body upper end is provided with detection tube, and the lower end of detection tube extends to the inside of cavity, the inside of detection tube both sides is installed with temperature detector and pressure detector in proper order, the middle part of detection tube is fixedly connected with the positioning board, the inboard of positioning board is installed with first helical gear, the side fixedly connected with telescopic link of first helical gear, the end of telescopic link is installed with the push board, the side fixedly connected with the conical sleeve of detection tube inside.

[0006] Preferably, the inside of the boiler body is provided with a partition plate, and the inside of the boiler body is divided into an upper region and a lower region by the partition plate, the lower region is provided with a heating device, and the upper region is provided with a heating pipe, and the heating pipe is arranged below the feeding pipe.

[0007] Preferably, the inside of the protective sleeve is provided with an air outlet hole, and the middle part of the air outlet hole is protruded inward.

[0008] Preferably, the sealing plate is arranged on both sides of the detection tube, and the outer arc surface of the sealing plate is in a state of adhesion with the inner wall of the boiler body.

[0009] Preferably, the connecting plate arranged on the upper part of the detection tube is attached to the top of the boiler body by a fastening bolt, and the connecting plate covers the upper end of the connection between the boiler body and the detection tube.

[0010] Preferably, the temperature detector and the pressure detector are arranged on both sides of the positioning board, and the temperature detector is arranged between the push plate and the conical sleeve.

[0011] Preferably, the positioning board and the conical sleeve are fixedly connected with a wire plate, the push plate is provided with a notch on the outside, and the wire plate is sleeved in the notch.

[0012] Preferably, the side of the push plate is fixedly connected with a movable column, the outside of the movable column is movably sleeved with a spring and a sealing valve, the inside of the conical sleeve is conical, and the sealing valve is arranged in the inside of the conical sleeve, and the spring is arranged between the push plate and the sealing valve.

[0013] Preferably, the outside of the first helical gear is engaged with a second helical gear, and the top of the second helical gear is fixedly connected with a rotating disc.

[0014] Preferably, the two sides of the partition plate are provided with sealing plates, the upper part of the boiler body is provided with a support frame, and the control detection tube is arranged at the upper end of the boiler body.

[0015] Compared with the prior boiler combustion monitoring device, the utility model has the following beneficial effects:

[0016] 1. The boiler combustion monitoring device, through the detection tube arranged in the internal of the feeding pipe, and the protective sleeve arranged on the side of the feeding pipe, the monitoring device can avoid direct contact with the heating equipment during monitoring the temperature and pressure in the internal of the boiler body, so that the liquid flowing into the internal of the monitoring device does not cause damage to the monitoring equipment.

[0017] 2. The boiler combustion monitoring device, through the rotation of the rotating disc, the length of the telescopic rod is telescopic, that is, the position of the sealing valve can be adjusted, in the normal state, the temperature detector and the pressure detector are connected with the internal of the boiler body through the detection tube, that is, the temperature detector and the pressure detector can monitor the temperature and pressure in the internal of the boiler body in real time, when the pressure value is too large, the pressure pushes the sealing valve to move inward, that is, the sealing valve is in the state of adhesion with the internal of the conical sleeve, thus avoiding the continuous transmission of the pressure to the internal of the temperature detector and the pressure detector, causing damage to the temperature detector and the pressure detector, thus improving the service life of the whole equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the main body structure of the utility model;

[0019] Figure 2 It is a schematic view of the main body section structure of the utility model;

[0020] Figure 3 It is a schematic view of the side structure of the utility model;

[0021] Figure 4 It is a schematic view of the structure of the utility model lacking the monitoring device;

[0022] Figure 5 It is a schematic view of the structure of the utility model detection device;

[0023] Figure 6 It is a schematic view of the local enlarged structure of the utility model;

[0024] Figure 7 It is a schematic view of the enlarged structure of the utility model at A.

[0025] In the figure: 1, boiler body; 2, partition plate; 3, feeding pipe; 4, protective sleeve; 5, sealing plate; 6, elastic pull rope; 7, detection tube; 8, connecting plate; 9, fastening bolt; 10, temperature detector; 11, pressure detector; 12, positioning plate; 13, first helical gear; 14, second helical gear; 15, rotating disc; 16, telescopic rod; 17, push plate; 18, conical sleeve; 19, wire plate; 20, movable column; 21, spring; 22, sealing valve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , a kind of boiler combustion monitoring device, including boiler body 1, the top of inside boiler body 1 is fixedly connected with feeding pipe 3, feeding pipe 3 limits the position of detection tube 7, avoid detection tube 7 directly with heating pipe contact, cause that liquid transmission in pipe is transferred to monitoring equipment inside, to cause that detection equipment causes damage, feeding pipe 3 both sides are fixedly connected with protective sleeve 4, protective sleeve 4 carries out protective treatment to the side of feeding pipe 3, cavity is formed between feeding pipe 3 and protective sleeve 4, two groups of sealing plates 5 are movably sleeved in the upper end of cavity, elastic pull rope 6 is installed outside the junction of two groups of sealing plates 5, elastic pull rope 6 pulls inwards and contracts sealing plate 5, that is, sealing plate 5 can be controlled to contact with detection tube 7 or boiler body 1, improve the sealing property of equipment as a whole, detection tube 7 is movably sleeved in the inside upper end of boiler body 1, and the lower end of detection tube 7 extends to the inside of cavity, temperature detector 10 and pressure detector 11 are sequentially installed in the inside of the both sides of detection tube 7, temperature detector 10 detects the temperature in the inside of boiler body 1, pressure detector 11 detects the pressure in the inside of boiler body 1, positioning plate 12 is fixedly connected to the middle part of detection tube 7, first helical gear 13 is installed on the inner side of positioning plate 12, telescopic rod 16 is fixedly connected to the side of first helical gear 13, push plate 17 is installed on the end of telescopic rod 16, conical sleeve 18 is fixedly connected to one side in the inside of detection tube 7, conical sleeve 18 and sealing valve 22 are connected with each other, that is, after conical sleeve 18 contacts with sealing valve 22, sealing valve 22 can block the inside of conical sleeve 18.

[0028] Please refer to Figure 2 , the inside of the boiler body 1 is provided with a partition plate 2, and the partition plate 2 divides the inside of the boiler body 1 into an upper area and a lower area, the lower area is provided with a heating device, and the upper area is provided with a heating pipeline, and the heating pipeline is arranged at the lower part of the feeding pipeline 3. By starting the heating device, the heating device can heat the heating pipeline arranged in the upper area of the partition plate 2, thereby improving the overall heating efficiency of the equipment.

[0029] Please refer to Figure 2 and Figure 3 , the inside of the protective sleeve 4 is provided with an air outlet, and the middle part of the air outlet is inwardly protruding. By fixing the protective sleeve 4 on both sides of the feeding pipeline 3, and opening the air outlet in the inside of the protective sleeve 4, the hot gas can be transmitted to the inside of the feeding pipeline 3 through the air outlet, and the liquid is prevented from directly entering the inside of the protective sleeve 4, so that the high-temperature liquid is prevented from being transmitted to the inside of the detection device, thereby preventing the detection equipment from being damaged.

[0030] Please refer to Figure 3 and Figure 4 , the sealing plate 5 is arranged on both sides of the detection tube 7, and the outer arc surface of the sealing plate 5 is in abutting state with the inner wall of the boiler body 1. By arranging the sealing plate 5 in the cavity, when the detection tube 7 is taken out, the sealing plate 5 is recovered under the elastic action of the elastic pull rope 6, and the sealing plate 5 is abutted and arranged on the inner wall of the boiler body 1. That is, the sealing plate 5 plugs the hole opened in the upper end of the boiler body 1, so as to prevent heat loss. When the detection tube 7 is arranged in the inside of the boiler body 1, the detection tube 7 contacts with the sealing plate 5, so that the sealing plate 5 is ejected, and the sealing plate 5 is abutted and arranged on the outside of the detection tube 7, and drives the detection tube 7 to be in communication with the inside of the feeding pipeline 3. Therefore, when the detection tube 7 is arranged and removed, the detection tube 7 can be conveniently controlled to be in flow communication with the inside of the boiler body 1, and the inside of the boiler body 1 is sealed.

[0031] Please refer to Figure 1 , the connecting plate 8 arranged on the upper part of the detection tube 7 is abutted and arranged on the top end of the boiler body 1 through the fastening bolt 9. The connecting plate 8 covers the upper end of the connection between the boiler body 1 and the detection tube 7. The connecting plate 8 is arranged on the upper part of the detection tube 7, and the fastening bolt 9 is arranged on the side surface of the connecting plate 8. The fastening bolt 9 arranges the connecting plate 8 on the outside of the boiler body 1, and the connecting plate 8 is arranged between the boiler body 1 and the detection tube 7. That is, when the connecting plate 8 is arranged on the upper end of the boiler body 1, the connecting plate 8 seals the upper end of the connection between the boiler body 1 and the detection tube 7.

[0032] Please refer to Figure 7The temperature detector 10 and the pressure detector 11 are arranged on both sides of the positioning plate 12, and the temperature detector 10 is arranged between the push plate 17 and the conical sleeve 18. The temperature detector 10 and the pressure detector 11 pass through the inside of the detection tube 7, and the lower end of the temperature detector 10 is arranged between the push plate 17 and the conical sleeve 18. The conical sleeve 18 drives the liquid to one side of the push plate 17. The high-temperature gas is transmitted to the inside of the temperature detector 10 and the pressure detector 11 through the hole. The temperature and pressure in the inside of the boiler body 1 can be detected by the temperature detector 10 and the pressure detector 11. When the boiler body 1 is damaged during use, the temperature and pressure in the inside of the boiler body 1 are observed, and the equipment detection efficiency is improved.

[0033] Please refer to Figure 7 The lead plate 19 is fixedly connected between the positioning plate 12 and the conical sleeve 18. The push plate 17 is provided with a notch, and the lead plate 19 is sleeved in the notch. The lead plate 19 is arranged between the push plate 17 and the conical sleeve 18, and the notch is arranged in the outside of the push plate 17. The lead plate 19 limits the movement track of the push plate 17, and ensures the stability of the push plate 17 during position movement.

[0034] Please refer to Figure 7 The movable column 20 is fixedly connected to the side surface of the push plate 17. The spring 21 and the sealing valve 22 are movably sleeved on the outside of the movable column 20. The inside of the conical sleeve 18 is conical, and the sealing valve 22 is arranged in the inside of the conical sleeve 18. The spring 21 is arranged between the push plate 17 and the sealing valve 22. The rotating disc 15 is rotated, the second bevel gear 14 is driven to rotate, the second bevel gear 14 is screwed with the first bevel gear 13, the first bevel gear 13 drives the telescopic rod 16 to rotate, the telescopic rod 16 is adjusted in length, the position of the push plate 17 in the detection tube 7 is adjusted, the distance between the sealing valve 22 and the conical sleeve 18 is adjusted, the sealing valve 22 is driven to move inward when the pressure in the equipment is too large, the sealing valve 22 is attached to the inside of the conical sleeve 18 when the pressure exceeds the critical value, the high-pressure gas is prevented from continuously impacting the temperature detector 10 and the pressure detector 11, the temperature detector 10 and the pressure detector 11 are prevented from being damaged, and the position of the sealing valve 22 is adjusted, that is, the position movement strength of the sealing valve 22 in the inside of the boiler body 1 is adjusted.

[0035] Please refer to Figure 6The outer part of the first bevel gear 13 is connected with the second bevel gear 14, the top end of the second bevel gear 14 is fixedly connected with the rotating disc 15, the rotating disc 15 is rotated, the rotating disc 15 drives the second bevel gear 14 to rotate, the second bevel gear 14 controls the first bevel gear 13 to rotate, and the first bevel gear 13 drives the telescopic rod 16 to stretch and retract, namely the position of the sealing valve 22 is adjusted.

[0036] Please refer to Figure 2 The sealing plate is arranged on both sides of the partition plate 2, the upper part of the boiler body 1 is provided with a supporting frame, and the control detection tube 7 is arranged at the upper end of the boiler body 1, wherein the supporting frame is prior art, which can support and limit the position of the boiler body 1 and limit the direction of the boiler body 1.

[0037] Working principle: when in use, the detection tube 7 is arranged in the boiler body 1, the lower end of the detection tube 7 extends into the cavity, the detection tube 7 pushes away the sealing plate 5 when the detection tube 7 is arranged, the connecting plate 8 is limited outside the boiler body 1 by the fastening bolt 9, the stability of the detection tube 7 is improved, the temperature detector 10 and the pressure detector 11 are arranged in the detection tube 7, the sealing valve 22 can be adjusted in the interval on one side of the conical sleeve 18 by rotating the rotating disc 15 and driving the telescopic rod 16 to stretch and retract, the position of the sealing valve 22 is adjusted, the pressure generated by the sealing valve 22 in contact with the conical sleeve 18 is adjusted, when the heating equipment in the boiler body 1 is damaged, the high-temperature and high-pressure state is generated in the boiler body 1, the high-pressure state pushes the sealing valve 22 to be in contact with the conical sleeve 18, the influence of the high-pressure state on the temperature detector 10 and the pressure detector 11 is stopped, and the service life of the equipment is improved.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and their equivalents.

Claims

1. A boiler combustion monitoring device, comprising a boiler body (1), wherein a feed pipe (3) is fixedly connected to the top of the boiler body (1), protective sleeves (4) are fixedly connected to both sides of the feed pipe (3), a cavity is formed between the feed pipe (3) and the protective sleeve (4), and two sets of sealing plates (5) are movably sleeved at the upper end of the cavity, characterized in that: The outer part of the joint of the sealing plate (5) is provided with an elastic pull rope (6), the upper end of the boiler body (1) is movably sleeved with a detection tube (7), the lower end of the detection tube (7) extends into the cavity, the inner sides of the two sides of the detection tube (7) are sequentially provided with a temperature detector (10) and a pressure detector (11), the middle part of the detection tube (7) is fixedly connected with a positioning plate (12), the inner side of the positioning plate (12) is provided with a first helical gear (13), the side surface of the first helical gear (13) is fixedly connected with an extension rod (16), the end of the extension rod (16) is provided with a push plate (17), and the inner side of the detection tube (7) is fixedly connected with a conical sleeve (18).

2. A boiler combustion monitoring apparatus according to claim 1, characterised in that: The inner part of the boiler body (1) is provided with a partition plate (2), the inner part of the boiler body (1) is divided into an upper region and a lower region by the partition plate (2), the lower region is provided with a heating device, and the upper region is provided with a heating pipeline, and the heating pipeline is arranged at the lower part of the feeding pipeline (3).

3. A boiler combustion monitoring apparatus according to claim 1, wherein: The inner part of the protective sleeve (4) is provided with an air outlet, and the middle part of the air outlet protrudes inward.

4. A boiler combustion monitoring apparatus according to claim 1, wherein: The sealing plate (5) is arranged on the two sides of the detection tube (7), and the outer arc surface of the sealing plate (5) is in a fitted state with the inner wall of the boiler body (1).

5. A boiler combustion monitoring apparatus as claimed in claim 1, wherein: The connecting plate (8) arranged on the upper part of the detection tube (7) is fitted and arranged on the top end of the boiler body (1) through the fastening bolt (9), and the connecting plate (8) covers the upper end of the joint between the boiler body (1) and the detection tube (7).

6. A boiler combustion monitoring apparatus as set forth in claim 1 wherein: The temperature detector (10) and the pressure detector (11) are arranged on the two sides of the positioning plate (12), and the temperature detector (10) is arranged between the push plate (17) and the conical sleeve (18).

7. A boiler combustion monitoring apparatus as claimed in claim 1, wherein: The positioning plate (12) and the conical sleeve (18) are fixedly connected with a wire plate (19), the outer part of the push plate (17) is provided with a notch, and the wire plate (19) is sleeved in the notch.

8. A boiler combustion monitoring apparatus as set forth in claim 1 wherein: The side surface of the push plate (17) is fixedly connected with a movable column (20), the outer part of the movable column (20) is movably sleeved with a spring (21) and a sealing valve (22), the inner part of the conical sleeve (18) is conical, the sealing valve (22) is arranged in the inner part of the conical sleeve (18), and the spring (21) is arranged between the push plate (17) and the sealing valve (22).

9. A boiler combustion monitoring apparatus as set forth in claim 1 wherein: The outer part of the first helical gear (13) is meshingly connected with a second helical gear (14), and the top end of the second helical gear (14) is fixedly connected with a rotating disc (15).

10. A boiler combustion monitoring apparatus according to claim 2, wherein: The two sides of the partition plate (2) are provided with sealing plates, the upper part of the boiler body (1) is provided with a support frame, and the control detection tube (7) is arranged on the upper end of the boiler body (1).