Boiler pressure detection device

Abstract

The utility model provides a boiler pressure detection device, which comprises a boiler body, a pressure measuring port and a water outlet which are respectively arranged on the boiler body, and further comprises a pressure measuring cylinder, the pressure measuring cylinder is provided with a pressure measuring end, the pressure measuring end is attached to the pressure measuring port, a pressure measuring rod, a sliding frame and a pressure measuring meter are sequentially arranged in the pressure measuring cylinder, and the pressure measuring rod is connected with the sliding frame. The pressure measuring rod slides in the pressure measuring end; and the drainage cylinder is arranged on one side of the pressure measuring cylinder. According to the boiler pressure detection device provided by the utility model, when the pressure measuring cylinder and the boiler body operate, the pressure in the boiler body can be gradually increased, when the boiler body is overpressure, the pressure measuring rod can push the sliding frame to slide in the pressure measuring cylinder, the pressure measuring meter can reflect the overpressure value, and meanwhile, the transmission wheel is driven by the rack, so that the transmission wheel is driven to rotate. And the flow control baffle is turned over in the drainage cylinder to block the water supply state of the boiler body, so that the damage to the boiler body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler detection technical field, concretely relates to a boiler pressure detection device. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, mainly by boiler body and heating device, utilize heating device to the water in boiler body heating, water will be heated and converted into hot steam, with hot steam gradually more, the pressure inside boiler body also along with it change, and can be connected to mechanical equipment, conversion into electric energy or mechanical energy, wherein, high-temperature hot water can be used for life needs.

[0003] But in the process of using boiler, the pressure in boiler is often kept under high pressure and runs, to prevent the phenomenon of over-temperature and over-pressure of boiler, then need artificial observation the value on pressure gauge, the change of the water supply or coal quantity of boiler in the operation process, will directly affect the pressure inside boiler, if the pressure in boiler is too high and fails to adjust in time, will lead to the damage of boiler, even cause serious damage. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned problems existing in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model can realize through the following technical schemes: a kind of boiler pressure detection device, including boiler body and respectively being set on the pressure measuring port and water outlet of the boiler body, further including:

[0006] Pressure measuring cylinder, the pressure measuring cylinder has a pressure measuring end, the pressure measuring end is attached to the pressure measuring port, pressure measuring rod, carriage and pressure gauge are sequentially arranged in the pressure measuring cylinder, the pressure measuring rod is located in the pressure measuring end sliding;

[0007] Wherein, the carriage is located in the pressure measuring cylinder sliding, and the two ends of the carriage are respectively matched with the pressure measuring rod and the pressure gauge, rack is arranged on the carriage, transmission wheel is arranged in the pressure measuring cylinder and is engaged with the rack;

[0008] Drainage cylinder, the drainage cylinder is arranged on one side of the pressure measuring cylinder, and is communicated with the water outlet, flow control baffle that is matched with the transmission wheel is arranged on the drainage cylinder.

[0009] The utility model embodiment, the pressure measuring cylinder is provided with a limit ring, a spring that pushes the pressure measuring rod is arranged on the limit ring, and the limit ring is matched with the carriage.

[0010] The utility model embodiment, one end of the pressure measuring cylinder is provided with a buzzer, and a touch slide plate matched with the buzzer is arranged on the output end of the pressure gauge.

[0011] The utility model discloses an embodiment, another end of pressure cylinder is connected with the guide column, the guide column is opened with the mutual ventilation groove and second pressure relief groove that communicate with each other in proper order,

[0012] The pressure cylinder is provided with a first pressure relief groove matched with the ventilation groove, and the first pressure relief groove is communicated with the second pressure relief groove.

[0013] An embodiment of the utility model discloses a support cover communicated with the first pressure relief groove is connected on the pressure cylinder, and an exhaust hole is formed on the support cover.

[0014] An embodiment of the utility model discloses a sealing sleeve is connected on the guide column, and the sealing sleeve is attached with the pressure cylinder.

[0015] An embodiment of the utility model discloses a transmission wheel is provided with a rotating shaft, and the rotating shaft is clamped with the flow control baffle.

[0016] An embodiment of the utility model discloses that the drainage cylinder has a water inlet end and a water outlet end, the flow control baffle is arranged between the water inlet end and the water outlet end, and the water outlet end is communicated with the water inlet end.

[0017] An embodiment of the utility model discloses that a top cover is arranged on the drainage cylinder and located at the water inlet end, and a filter cover is connected on the top cover.

[0018] An embodiment of the utility model discloses that a rubber ring is connected on the flow control baffle.

[0019] Compared with the prior art, the application has the advantages that the pressure cylinder is used, the pressure in the boiler body gradually increases when the boiler body runs, the pressure relief value is reacted by the pressure gauge when the pressure in the boiler body is too high, the transmission wheel is driven by the rack to make the flow control baffle turn over in the drainage cylinder to block the water supply state of the boiler body, and the damage to the boiler body is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the assembly structure schematic drawing of boiler and detection unit;

[0021] Figure 2 It is the general structure schematic drawing of detection unit;

[0022] Figure 3 It is the internal part structure schematic drawing of partial section in pressure cylinder;

[0023] Figure 4 It is Figure 3 The enlarged view of A part in it;

[0024] Figure 5 It is the internal structure of partial section in drainage cylinder;

[0025] Figure 6 is the overall half cut plane schematic view of the detection unit.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, boiler body; 11, pressure measuring port; 12, connecting pipe; 13, water inlet; 2, detection unit; 21, pressure gauge; 211, touch slide plate; 22, flow guide cylinder; 221, water inlet end; 222, water outlet end; 223, flow control baffle; 224, rubber ring; 225, top cover; 226, clamping groove; 227, filter cover; 23, pressure measuring cylinder; 230, buzzer; 231, first pressure relief groove; 232, support cover; 233, exhaust hole; 234, limiting ring; 24, guide column; 241, pressure measuring end; 242, air vent groove; 243, sealing sleeve; 244, second pressure relief groove; 25, rack; 26, rotating shaft; 261, transmission wheel; 27, pressure measuring rod; 28, spring; 29, slide carriage. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings.

[0029] As shown in Figures 1-6 A boiler pressure detection device, comprising a boiler body 1 and a pressure measuring port 11 and a water outlet respectively arranged on the boiler body 1, further comprising:

[0030] The pressure measuring cylinder 23 has a pressure measuring end 241, the pressure measuring end 241 is in close contact with the pressure measuring port 11, and the pressure measuring cylinder 23 is sequentially provided with a pressure measuring rod 27, a slide carriage 29 and a pressure gauge 21, the pressure measuring rod 27 is located in the pressure measuring end 241 and slides;

[0031] The slide carriage 29 is located in the pressure measuring cylinder 23 and slides, and the two ends of the slide carriage 29 are respectively matched with the pressure measuring rod 27 and the pressure gauge 21, the slide carriage 29 is provided with a rack 25, and the pressure measuring cylinder 23 is provided with a transmission wheel 261 engaged with the rack 25;

[0032] The flow guide cylinder 22 is arranged on one side of the pressure measuring cylinder 23 and is in communication with the water outlet, and the flow guide cylinder 22 is provided with a flow control baffle 223 matched with the transmission wheel 261.

[0033] Specifically, the detection unit 2 is used to detect the pressure inside the boiler body 1. The detection unit 2 includes a pressure measuring cylinder 23 and a diversion cylinder 22. The pressure measuring cylinder 23 is used to detect the pressure inside the boiler body 1, while the diversion cylinder 22 is used to supply water to the boiler body 1. During the operation of the boiler body 1, the pressure inside the boiler body 1 gradually increases, which causes the pressure measuring rod 27 to slide inside the pressure measuring cylinder 23, thereby pushing the slide 29 to slide inside the pressure measuring cylinder 23. This allows the pressure gauge 21 to display the pressure value inside the boiler body 1. At the same time, the rack 25 on the slide 29 is linked to the drive wheel 261 to rotate, causing the flow control baffle 223 to flip inside the diversion cylinder 22. This adjusts the flow rate of the diversion cylinder 22 according to the pressure change, that is, controls the water supply inside the boiler body 1, so as to slow down the time from overpressure to overpressure in the boiler body 1, and give the operator sufficient time to reduce the pressure in the boiler body 1.

[0034] As a further embodiment of this utility model, a limiting ring 234 is provided inside the pressure measuring cylinder 23. A spring 28 is provided on the limiting ring 234 to resist the pressure rod 27. The limiting ring 234 cooperates with the slide 29. The limiting ring 234 is fixed inside the pressure measuring cylinder 23 for two reasons: first, to support the spring 28 so that the spring 28 always remains in the state of resisting the pressure rod 27; and second, to guide the slide 29 so as to provide a certain support effect to the slide 29.

[0035] As a further embodiment of this utility model, a buzzer 230 is provided at one end of the pressure measuring cylinder 23, and a touch slide plate 211 that cooperates with the buzzer 230 is provided on the output end of the pressure gauge 21. One end of the pressure measuring cylinder 23 is as follows: Figure 2 As shown above, when the boiler body 1 reaches the overpressure red zone, the touch slide 211 on the pressure gauge 21 will contact the switch of the buzzer 230 to remind the operator to observe the value on the pressure gauge 21 through the sound of the buzzer 230.

[0036] As a further embodiment provided in this utility model, the other end of the pressure measuring cylinder 23 is engaged with a guide post 24, and the other end of the pressure measuring cylinder 23 refers to... Figure 2 As shown below, the guide column 24 is provided with a venting groove 242 and a second pressure relief groove 244 that are connected to each other. The pressure measuring cylinder 23 is provided with a first pressure relief groove 231 that cooperates with the venting groove 242. The first pressure relief groove 231 is connected to the second pressure relief groove 244. When the pressure measuring rod 27 slides to the second pressure relief groove 244, the air pressure in the boiler body 1 will flow along the second pressure relief groove 244 through the venting groove to the first pressure relief groove 231 and be ejected to reduce the pressure in the boiler body 1. This will increase the overpressure alarm time and remind the operator to reduce the water supply and temperature of the boiler body 1 to avoid the phenomenon of extreme overpressure in the boiler body 1.

[0037] As a further provided embodiment of the utility model, the pressure cylinder 23 is clamped with a support cover 232 communicated with the first pressure relief groove 231, the support cover 232 is provided with an exhaust hole 233, the exhaust hole 233 on the support cover 232 plays a role of guiding steam, so as to guide the excessive steam in the boiler body 1 to discharge, and reduce the damage of steam discharge to the operator.

[0038] As a further provided embodiment of the utility model, the guide column 24 is clamped with a sealing sleeve 243, the sealing sleeve 243 is attached to the pressure cylinder 23, the sealing sleeve 243 is made of rubber material, the guide column 24 is interference fitted in the pressure cylinder 23, and the sealing sleeve 243 improves the sealing property between the guide column 24 and the pressure cylinder 23.

[0039] As a further provided embodiment of the utility model, the transmission wheel 261 is provided with a rotating shaft 26, the rotating shaft 26 is clamped with the flow control baffle 223, the rotating shaft 26 rotates in the pressure cylinder 23, and the rotating shaft 26 supports the rotation of the transmission wheel 261.

[0040] As a further provided embodiment of the utility model, the flow guide cylinder 22 has a water inlet end 221 and a water outlet end 222, the flow control baffle 223 is arranged between the water inlet end 221 and the water outlet end 222, the water outlet end 222 is communicated with the water inlet end 221, the water outlet end 222 is communicated with the water inlet 13 through the connecting pipe 12, and the water is introduced into the boiler body 1 through the flow guide cylinder 22.

[0041] As a further provided embodiment of the utility model, the flow guide cylinder 22 is provided with a top cover 225 located at the water inlet end 221, the top cover 225 is clamped with a filter cover 227, the water flows into the filter cover 227 through the water inlet end 221, the impurities in the water are filtered through the filter cover 227, the impurities in the water are reduced to enter the boiler body 1, a plurality of clamping grooves 226 are arranged on the filter cover 227, and the filter cover 227 is conveniently disassembled or installed on the top cover 225 through the clamping grooves 226.

[0042] As a further provided embodiment of the utility model, the flow control baffle 223 is clamped with a rubber ring 224, the flow control baffle 223 is circular at the flow guide cylinder 22, when the flow control baffle 223 is turned over, the flow control baffle 223 is completely attached to the flow guide cylinder 22, so as to play a role of blocking the water flow into the boiler body 1, the rubber ring 224 improves the attachment effect of the flow control baffle 223, and the rubber ring 224 is provided with at least two groups.

[0043] Working principle: first, the pressure detection device is fixed to the boiler body 1, make pressure cylinder 23 and pressure measuring port 11 are connected, and the drainage cylinder 22 is connected with the water inlet 13 through the pipe 12, the boiler body 1 runs, its internal pressure will increase with the increase of steam, at this time, the pressure measuring rod 27 will slide along the guide column 24 with the increase of pressure, to push the slide 29 contact pressure gauge measuring end, measuring table to respond to the pressure change in the boiler body 1, when the boiler body 1 gradually overpressure, will cause the touch slide plate 211 and buzzer 230 contact, to remind the operator to observe the overpressure condition on the pressure gauge, at the same time, the rack 25 on the slide 29 controls the flow baffle 223 to turn over, so that the flow baffle 223 completely adheres to the inner wall of the drainage cylinder 22, to block the water inlet 13 water supply state, reduce the damage to the boiler body 1 overpressure.

[0044] The above technical scheme of the utility model, aiming at the too single technical problem of prior art solution, provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, and will not be described again.

[0045] The technical scheme in the above embodiment has clearly and completely described the content of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A boiler pressure detecting device comprising a boiler body and a pressure tapping and a water outlet provided on the boiler body, respectively, characterized in that, Also include: The pressure cylinder has a pressure end, the pressure end is matched with the pressure port, the pressure cylinder is sequentially provided with pressure rod, slide and pressure gauge, the pressure rod is located in the pressure end sliding; Wherein, the slide is located in the pressure cylinder sliding, and the two ends of the slide are matched with the pressure rod and the pressure gauge respectively, the slide is provided with a rack, the pressure cylinder is provided with a transmission wheel engaged with the rack; The drainage cylinder is arranged on one side of the pressure cylinder and communicates with the water outlet, and the drainage cylinder is provided with a flow control baffle matched with the transmission wheel.

2. A boiler pressure detection device according to claim 1, characterised in that, The pressure cylinder is provided with a limiting ring, the limiting ring is provided with a spring for pushing the pressure rod, and the limiting ring is matched with the slide.

3. The boiler pressure detection apparatus according to claim 1, wherein One end of the pressure cylinder is provided with a buzzer, and the output end of the pressure gauge is provided with a touch slide plate matched with the buzzer.

4. A boiler pressure detection device according to claim 3, wherein The other end of the pressure cylinder is clamped with a guide column, and the guide column is sequentially provided with a ventilation groove and a second pressure relief groove in communication; The pressure cylinder is provided with a first pressure relief groove matched with the ventilation groove, and the first pressure relief groove is in communication with the second pressure relief groove.

5. A boiler pressure detection device according to claim 4, wherein The pressure cylinder is clamped with a support cover in communication with the first pressure relief groove, and the support cover is provided with an exhaust hole.

6. A boiler pressure detection device according to claim 4, wherein The guide column is clamped with a sealing sleeve, and the sealing sleeve is matched with the pressure cylinder.

7. The boiler pressure detection apparatus according to claim 1, wherein The transmission wheel is provided with a rotating shaft, and the rotating shaft is clamped with the flow control baffle.

8. The boiler pressure detection apparatus according to claim 1, wherein The drainage cylinder has a water inlet end and a water outlet end, the flow control baffle is arranged between the water inlet end and the water outlet end, and the water outlet end communicates with the water inlet end.

9. A boiler pressure detection device according to claim 8, wherein The drainage cylinder is provided with a top cover located at the water inlet end, and the top cover is clamped with a filter cover.

10. A boiler pressure detection device according to claim 8, wherein The flow control baffle is clamped with a rubber ring.

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