CN211316140U

CN211316140U - Boiler explosion-proof pressure detection device

Info

Publication number: CN211316140U
Application number: CN201921955096.1U
Authority: CN
Inventors: 姜晓伟; 侯兴国; 蔡伟; 范志峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-21
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an explosion-proof pressure detection device of boiler, including bleed pipe, detection mechanism, pressure relief mechanism, detection pipe and apron, through setting up detection mechanism, baroceptor carries out the signal amplification with the interior steam pressure signal of test tube and sends to AD conversion module, and AD conversion module carries out the signal amplification with the electric signal and sends to the digital signal, realizes the real-time detection of boiler steam pressure, and the operating personnel of being convenient for carries out corresponding operation according to the pressure value; by arranging the pressure relief mechanism, when the detected pressure value reaches a set value, the microcontroller controls the first electromagnetic valve and the second electromagnetic valve to be opened for pressure relief, so that unsafe conditions are avoided; through setting up leakage fluid dram and bee calling organ, when steam pressure reached the setting value, microcontroller control bee calling organ sent the warning suggestion, and suggestion operating personnel in time takes measures to carry out the first aid, regularly opens the valve of leakage fluid dram, emits the liquid of pressure release pipe lower extreme, guarantees pressure release mechanism normal operating.

Description

Boiler explosion-proof pressure detection device

Technical Field

The utility model relates to a boiler equipment technical field specifically is a boiler explosion-proof pressure measurement.

Background

Boiler pressure's control is an important process of safety in production, all be equipped with pressure display instrument on the current boiler usually, the pressure in the real-time display boiler, so that operating personnel refers to, but need operating personnel to survey pressure display instrument for a long time, when the pressure in the boiler is too high, automatic alarm can not be realized, can't inform remind operating personnel, can't in time take measures like this and carry out the first aid, serious even lead to the boiler explosion, influence operating personnel's life safety, be not convenient for carry out the pressure release when the pressure is too high, influence the safe operation of boiler, be not convenient for observe the pressure value of boiler in real time, be unfavorable for operating personnel and carry out corresponding operation according to the pressure value.

Therefore, the explosion-proof pressure detection device for the boiler is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler explosion-proof pressure detection device, the detection mechanism who sets up, pressure sensor converts the intraductal steam pressure signal of test into the electrical signal, carry out signal amplification through signal processing module and send to AD conversion module, AD conversion module converts the electrical signal into the digital signal that singlechip can discern, show pressure size through the LED display, realize the real-time detection of boiler steam pressure, be convenient for operating personnel to carry out corresponding operation according to the pressure value, the pressure release mechanism who sets up, when the pressure value that detects reaches the setting value, microcontroller control first solenoid valve and second solenoid valve open and carry out the pressure release, avoid unsafe condition to take place, improve the safe condition of boiler, leakage fluid dram and the bee calling organ that set up, when steam pressure reaches the setting value, microcontroller control bee calling organ sends the warning suggestion, the prompt operating personnel in time takes measures to carry out first aid, the valve of the liquid outlet is opened periodically, liquid at the lower end of the pressure relief pipe is discharged, and the normal operation of the pressure relief mechanism is ensured so as to solve the problems mentioned in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof pressure detection device for a boiler comprises a gas-guiding pipe, a detection mechanism, a pressure relief mechanism, a detection pipe and a cover plate, wherein a flange plate is arranged on the right side of the gas-guiding pipe, and the left end of the gas-guiding pipe is connected with the boiler; a flange plate is arranged on the left side of the detection pipe, and the detection pipe is fixed at the right end of the air guide pipe through a bolt; the detection mechanism is fixed above the detection pipe through a bolt; the pressure relief mechanism is fixed below the detection pipe through a bolt; the cover plate is two, and the cover plate is fixed at the right end of the detection tube and the lower end of the pressure relief mechanism through bolts.

Preferably, the detection mechanism comprises a sleeve, a test tube, a conversion mechanism, an air pressure sensor and an LED display, and the sleeve is fixed above the detection tube through a bolt; the detection tube is fixed in the middle of the interior of the sleeve through a bolt, and the test tube is communicated with the interior of the detection tube; the conversion mechanism is fixed above the test tube through a bolt; the air pressure sensor is fixed in the conversion mechanism through a bolt, the lower end of the air pressure sensor is communicated with the interior of the test tube, and the air pressure sensor is in an MPX4115 type; the LED display is fixed above the conversion mechanism through bolts, and the LED display is of an LT-170 type.

Preferably, the conversion mechanism comprises a signal processing module, an AD conversion module, a single chip microcomputer, a microcontroller and a shell, and the shell is fixed above the test tube through a bolt; the signal processing module, the AD conversion module, the single chip microcomputer and the microcontroller are all arranged in the shell; the signal processing module is respectively connected with the air pressure sensor and the AD conversion module through wires and adopts an S7-300 type; the single chip microcomputer is respectively connected with the LED display, the AD conversion module and the microcontroller through leads, and the single chip microcomputer is of an STC89C52RC-C8051 type; the AD conversion module is of an AD7705 type; the microcontroller is of a WQGPRS-323 type.

Preferably, the pressure relief mechanism comprises a pressure relief pipe, a first pressure relief opening, a second pressure relief opening, a first electromagnetic valve, a second electromagnetic valve, a liquid outlet and a buzzer, and the pressure relief pipe is fixed below the detection pipe through a bolt; the first pressure relief port is welded above the right side of the pressure relief pipe; the first electromagnetic valve is fixed at the right end of the first pressure relief opening through a bolt; the second pressure relief port is welded above the left side of the pressure relief pipe; the second electromagnetic valve is fixed at the left end of the second pressure relief opening through a bolt; the liquid outlet is welded below the right side of the pressure relief pipe; the buzzer is fixed below the left side of the pressure relief pipe through a bolt.

Preferably, the diameter of the first pressure relief opening is smaller than that of the second pressure relief opening; the first electromagnetic valve, the buzzer and the second electromagnetic valve are respectively connected with the microcontroller through leads, and the first electromagnetic valve and the second electromagnetic valve are both in 2W-320-32K type; the buzzer is in an LTE-1101J type; the liquid outlet is provided with a valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through setting up detection mechanism, baroceptor turns into the signal of telecommunication with the intraductal steam pressure signal of test, carries out signal amplification with the signal processing module and sends to AD conversion module through the signal, and AD conversion module turns into the digital signal that the singlechip can discern with the signal of telecommunication, shows pressure size through the LED display, realizes boiler steam pressure's real-time detection, and the operating personnel of being convenient for carries out corresponding operation according to the pressure value;

2. by arranging the pressure relief mechanism, when the detected pressure value reaches a set value, the microcontroller controls the first electromagnetic valve and the second electromagnetic valve to be opened for pressure relief, so that unsafe conditions are avoided, and the safety condition of the boiler is improved;

3. the utility model discloses, through setting up leakage fluid dram and bee calling organ, when steam pressure reached the setting value, microcontroller control bee calling organ sent the suggestion of reporting to the police, and suggestion operating personnel in time takes measures to carry out the first aid, regularly opens the valve of leakage fluid dram, emits the liquid of pressure release pipe lower extreme, guarantees pressure release mechanism normal operating.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the detection mechanism of the present invention;

fig. 3 is a circuit diagram of the switching mechanism of the present invention;

fig. 4 is a schematic structural view of the pressure relief mechanism of the present invention.

In the figure: 1. a bleed pipe; 2. a detection mechanism; 21. a sleeve; 22. a test tube; 23. a switching mechanism; 231. a signal processing module; 232. an AD conversion module; 233. a single chip microcomputer; 234. a microcontroller; 235. a housing; 24. an air pressure sensor; 25. an LED display; 3. a pressure relief mechanism; 31. a pressure relief pipe; 32. a first pressure relief port; 33. a second pressure relief vent; 34. a first solenoid valve; 35. a second solenoid valve; 36. a liquid discharge port; 37. a buzzer; 4. a detection tube; 5. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an explosion-proof pressure detection device for a boiler is shown in figure 1 and comprises a gas guide pipe 1, a detection mechanism 2, a pressure relief mechanism 3, a detection pipe 4 and a cover plate 5, wherein a flange plate is arranged on the right side of the gas guide pipe 1, and the left end of the gas guide pipe 1 is connected with the boiler; a flange plate is arranged on the left side of the detection pipe 4, and the detection pipe 4 is fixed at the right end of the air guide pipe 1 through a bolt; the detection mechanism 2 is fixed above the detection pipe 4 through a bolt; the pressure relief mechanism 3 is fixed below the detection pipe 4 through a bolt; the number of the cover plates 5 is two, and the cover plates 5 are respectively fixed at the right end of the detection pipe 4 and the lower end of the pressure relief mechanism 3 through bolts.

Specifically, as shown in fig. 2, the detection mechanism 2 includes a sleeve 21, a test tube 22, a conversion mechanism 23, an air pressure sensor 24 and an LED display 25, wherein the sleeve 21 is fixed above the detection tube 4 by bolts; the detection tube 4 is fixed at the middle position inside the sleeve 21 through a bolt, and the test tube 22 is communicated with the inside of the detection tube 4; the conversion mechanism 23 is fixed above the test tube 22 through bolts; the air pressure sensor 24 is fixed inside the conversion mechanism 23 through a bolt, the lower end of the air pressure sensor 24 is communicated with the inside of the test tube 22, and the air pressure sensor 24 is in an MPX4115 type; the LED display 25 is fixed above the conversion mechanism 23 through a bolt, and the LED display 25 is LT-170 type.

Through adopting above-mentioned technical scheme, baroceptor 24 turns into the signal of telecommunication with the interior steam pressure signal of test tube 22, carries out signal amplification with the signal of telecommunication through signal processing module 231 and sends to AD conversion module 232, and AD conversion module 232 turns into the digital signal that singlechip 233 can discern with the signal of telecommunication, shows the pressure size through LED display 25, realizes boiler steam pressure's real-time detection, and the operating personnel of being convenient for carries out corresponding operation according to the pressure value.

Specifically, as shown in fig. 3, the conversion mechanism 23 includes a signal processing module 231, an AD conversion module 232, a single chip microcomputer 233, a microcontroller 234 and a casing 235, and the casing 235 is fixed above the test tube 22 by bolts; the signal processing module 231, the AD conversion module 232, the single chip microcomputer 233 and the microcontroller 234 are all arranged in the shell 235; the signal processing module 231 is respectively connected with the air pressure sensor 24 and the AD conversion module 232 through leads, and the signal processing module 231 is of an S7-300 type; the single chip microcomputer 233 is connected with the LED display 25, the AD conversion module 232 and the microcontroller 234 through leads respectively, and the single chip microcomputer 233 is of an STC89C52RC-C8051 type; the AD conversion module 232 is AD 7705; the microcontroller 234 is of the type WQGPRS-323.

By adopting the technical scheme, the signal processing module 231 and the AD conversion module 232 convert the electric signal of the steam into the digital signal, so that the singlechip 233 can conveniently identify the pressure signal, and when the pressure reaches a set value, the microcontroller 234 controls the first electromagnetic valve 34 and the second electromagnetic valve 35 to be opened for pressure relief, thereby avoiding unsafe conditions.

Specifically, as shown in fig. 4, the pressure relief mechanism 3 includes a pressure relief pipe 31, a first pressure relief port 32, a second pressure relief port 33, a first electromagnetic valve 34, a second electromagnetic valve 35, a liquid discharge port 36 and a buzzer 37, and the pressure relief pipe 31 is fixed below the detection pipe 4 through bolts; the first pressure relief port 32 is welded above the right side of the pressure relief pipe 31; the first electromagnetic valve 34 is fixed at the right end of the first pressure relief opening 32 through a bolt; the second pressure relief port 33 is welded above the left side of the pressure relief pipe 31; the second electromagnetic valve 35 is fixed at the left end of the second pressure relief port 33 through a bolt; the liquid outlet 36 is welded below the right side of the pressure relief pipe 31; the buzzer 37 is fixed below the left side of the pressure relief pipe 31 through bolts.

By adopting the technical scheme, when the steam pressure reaches the set value, the microcontroller 234 controls the buzzer 37 to send out an alarm prompt to prompt an operator to take measures in time for first aid, the valve of the liquid outlet 36 is opened periodically, and the liquid at the lower end of the pressure relief pipe 31 is discharged, so that the normal operation of the pressure relief mechanism 3 is ensured.

Specifically, as shown in fig. 4, the diameter of the first pressure relief opening 32 is smaller than the diameter of the second pressure relief opening 33; the first electromagnetic valve 34, the buzzer 37 and the second electromagnetic valve 35 are respectively connected with the microcontroller 234 through leads, and the first electromagnetic valve 34 and the second electromagnetic valve 35 are both in 2W-320-32K type; the buzzer 37 is LTE-1101J; the drain port 36 is provided with a valve.

Through adopting above-mentioned technical scheme, the automation that the pressure release was realized to the first solenoid valve 34 and the second solenoid valve 35 cooperation microcontroller 234 that set up improves the security performance of boiler.

The working principle is as follows: the pressure sensor 24 converts the steam pressure signal in the test tube 22 into an electrical signal, the signal processing module 231 amplifies the electrical signal and sends the amplified signal to the AD conversion module 232, the AD conversion module 232 converts the electrical signal into a digital signal which can be identified by the single chip microcomputer 233, the pressure is displayed through the LED display 25, the real-time detection of the boiler steam pressure is realized, the corresponding operation is conveniently carried out by the operator according to the pressure value, when the detected pressure value reaches the set value, the microcontroller 234 controls the first electromagnetic valve 34 and the second electromagnetic valve 35 to open for pressure relief, so as to avoid unsafe conditions, improve the safety of the boiler, meanwhile, the microcontroller 234 controls the buzzer 37 to give an alarm prompt to prompt an operator to take measures in time for first aid, and periodically opens the valve of the liquid outlet 36 to discharge liquid at the lower end of the pressure relief pipe 31, so that the normal operation of the pressure relief mechanism 3 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof pressure measurement of boiler which characterized in that: the device comprises a gas-guiding pipe (1), a detection mechanism (2), a pressure relief mechanism (3), a detection pipe (4) and a cover plate (5), wherein a flange plate is arranged on the right side of the gas-guiding pipe (1), and the left end of the gas-guiding pipe (1) is connected with a boiler; a flange plate is arranged on the left side of the detection pipe (4), and the detection pipe (4) is fixed at the right end of the air entraining pipe (1) through a bolt; the detection mechanism (2) is fixed above the detection pipe (4) through a bolt; the pressure relief mechanism (3) is fixed below the detection pipe (4) through a bolt; the number of the cover plates (5) is two, and the cover plates (5) are fixed at the right end of the detection pipe (4) and the lower end of the pressure relief mechanism (3) through bolts respectively.

2. The boiler explosion-proof pressure detection device according to claim 1, characterized in that: the detection mechanism (2) comprises a sleeve (21), a test tube (22), a conversion mechanism (23), an air pressure sensor (24) and an LED display (25), wherein the sleeve (21) is fixed above the detection tube (4) through a bolt; the detection tube (4) is fixed at the middle position inside the sleeve (21) through a bolt, and the test tube (22) is communicated with the inside of the detection tube (4); the conversion mechanism (23) is fixed above the test tube (22) through a bolt; the air pressure sensor (24) is fixed inside the conversion mechanism (23) through a bolt, and the lower end of the air pressure sensor (24) is communicated with the inside of the test tube (22); the LED display (25) is fixed above the conversion mechanism (23) through bolts.

3. The boiler explosion-proof pressure detection device according to claim 2, characterized in that: the conversion mechanism (23) comprises a signal processing module (231), an AD conversion module (232), a single chip microcomputer (233), a microcontroller (234) and a shell (235), wherein the shell (235) is fixed above the test tube (22) through a bolt; the signal processing module (231), the AD conversion module (232), the single chip microcomputer (233) and the microcontroller (234) are all arranged in the shell (235); the signal processing module (231) is respectively connected with the air pressure sensor (24) and the AD conversion module (232) through leads; the single chip microcomputer (233) is connected with the LED display (25), the AD conversion module (232) and the microcontroller (234) through wires.

4. The boiler explosion-proof pressure detection device according to claim 1, characterized in that: the pressure relief mechanism (3) comprises a pressure relief pipe (31), a first pressure relief opening (32), a second pressure relief opening (33), a first electromagnetic valve (34), a second electromagnetic valve (35), a liquid outlet (36) and a buzzer (37), and the pressure relief pipe (31) is fixed below the detection pipe (4) through a bolt; the first pressure relief opening (32) is welded above the right side of the pressure relief pipe (31); the first electromagnetic valve (34) is fixed at the right end of the first pressure relief opening (32) through a bolt; the second pressure relief port (33) is welded above the left side of the pressure relief pipe (31); the second electromagnetic valve (35) is fixed at the left end of the second pressure relief opening (33) through a bolt; the liquid outlet (36) is welded below the right side of the pressure relief pipe (31); the buzzer (37) is fixed below the left side of the pressure relief pipe (31) through a bolt.

5. The boiler explosion-proof pressure detection device according to claim 4, characterized in that: the diameter of the first pressure relief opening (32) is smaller than that of the second pressure relief opening (33); the first electromagnetic valve (34), the buzzer (37) and the second electromagnetic valve (35) are respectively connected with the microcontroller (234) through leads; the liquid outlet (36) is provided with a valve.