阅读说明：本技术 环保型锅炉的泄压装置 (Pressure relief device of environment-friendly boiler ) 是由 刘杰 邓亮 陈巧巧 徐子逸 于 2019-10-23 设计创作，主要内容包括：本发明提供了一种环保型锅炉的泄压装置,属于机械技术领域。它解决了现有技术存在着稳定性差的问题。本环保型锅炉的泄压装置位于炉体外侧且处于泄压孔处,包括连接筒、密封垫、锁定组件和单向组件,上述连接筒呈圆筒状且连接筒内端位于泄压孔处,上述锁定组件连接在炉体外侧且锁定组件将连接筒内端紧压在泄压孔处,上述密封垫被紧压在连接筒与泄压孔之间且连接筒与炉体内相连通,上述单向组件位于连接筒内且初始状态时单向组件将连接筒封闭,当炉体内压力达到设定值时上述单向组件能动作并使连接筒导通。本环保型锅炉的泄压装置稳定性高。(The invention provides a pressure relief device of an environment-friendly boiler, belonging to the technical field of machinery. It has solved prior art and has had the poor problem of stability. This pressure relief device of environment-friendly boiler is located the furnace body outside and is in pressure relief hole department, including the connecting cylinder, sealed pad, locking subassembly and one-way subassembly, above-mentioned connecting cylinder is cylindric and the inner of connecting cylinder is located pressure relief hole department, above-mentioned locking subassembly is connected in the furnace body outside and the locking subassembly tightly presses the inner of connecting cylinder in pressure relief hole department, above-mentioned sealing pad is pressed tightly between connecting cylinder and pressure relief hole and is linked together in connecting cylinder and the furnace body, above-mentioned one-way subassembly is located the connecting cylinder and when initial condition one-way subassembly seals the connecting cylinder, above-mentioned one-way subassembly can move and make the connecting cylinder switch on when the furnace body internal pressure reaches. This pressure relief device of environment-friendly boiler stability is high.)

1. The utility model provides a pressure relief device of environment-friendly boiler, the boiler includes the inside furnace body that is the cavity, the furnace body lateral part has the pressure release hole that runs through, a serial communication port, this device is located the furnace body outside and is in pressure release hole department, including the connecting cylinder, sealed pad, locking subassembly and one-way subassembly, above-mentioned connecting cylinder is cylindric and connecting cylinder the inner is located pressure release hole department, above-mentioned locking subassembly is connected in the furnace body outside and locking subassembly and is compressed tightly in pressure release hole department with the connecting cylinder the inner, above-mentioned sealed pad is compressed tightly between connecting cylinder and pressure release hole and the connecting cylinder is linked together with the furnace body, one-way subassembly seals the connecting cylinder when above-mentioned one-way subassembly is located the connecting cylinder and initial state, above-mentioned one-way subassembly can.

2. The environment-friendly boiler pressure relief device according to claim 1, wherein the one-way component comprises a sealing seat protruding from the inner side of the connecting cylinder, and further comprises an end cover, a spring and a plug, the end cover is in threaded connection with the outer end of the connecting cylinder and is provided with a through hole penetrating through the end cover, two ends of the spring respectively act on the end cover and the plug, and the plug has a tendency of abutting against the sealing seat and forming a seal under the elastic force of the spring.

3. The decompression device of an environmentally friendly boiler according to claim 2, wherein the end cap has a first concave recess, the plug has a second concave recess, and both ends of the spring are respectively embedded in the first and second concave recesses.

4. The decompression device of an environment-friendly boiler according to claim 3, wherein the connecting cylinder is obliquely arranged with the outer side of the boiler body.

5. The decompression device of an environment-friendly boiler according to claim 4, wherein the inner end of the connecting cylinder is provided with a plate-shaped connecting plate, and the connecting plate is matched with the outer side of the boiler body.

6. The decompression device of an environmentally friendly boiler according to claim 5, wherein the connection plate has a concave connection seat inside and the connection seat is connected to the inner cavity of the connection cylinder, and the sealing gasket is embedded in the connection seat.

7. The environmental protection type boiler pressure relief device according to claim 6, wherein the inner side of said sealing gasket is planar, the outer side of said sealing gasket is arc-shaped, the inner side of said sealing gasket is embedded in said connecting seat and the two sides are in contact, and the outer side of said sealing gasket is abutted against the end of said pressure relief hole.

8. The environment-friendly boiler pressure relief device according to claim 7, wherein the locking assembly comprises a positioning plate, a locking rod and a locking nut, the positioning plate is fixedly connected to the outside of the boiler body, the locking rod is in threaded connection with the positioning plate, the connecting plate is tightly pressed between the outside of the boiler body and the locking rod, the locking nut is in threaded connection with the locking rod, and the locking nut abuts against the positioning plate.

9. The environment-friendly boiler pressure relief device according to claim 8, wherein the positioning plate has an L-shaped cross-section, the lower end of the positioning plate is fixedly connected with the boiler body, and the locking rod is screwed in the middle of the positioning plate.

Technical Field

The invention belongs to the technical field of machinery, and relates to a pressure relief device of an environment-friendly boiler.

Background

The environment-friendly boiler has the advantages that the internal pressure of the boiler body is high in the using process, and a pressure relief device needs to be arranged on the boiler body in order to improve the safety.

The existing pressure relief device is usually directly screwed at a pressure relief hole of a furnace body, and although the connection mode is high in stability, the connection mode is inconvenient to assemble and disassemble.

Disclosure of Invention

The invention aims to provide the pressure relief device of the environment-friendly boiler, which is convenient to assemble and disassemble and high in stability, aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a pressure relief device of environment-friendly boiler, the boiler includes the inside furnace body that is the cavity, the furnace body lateral part has the pressure release hole that runs through, a serial communication port, this device is located the furnace body outside and is in pressure release hole department, including the connecting cylinder, sealed pad, locking subassembly and one-way subassembly, above-mentioned connecting cylinder is cylindric and connecting cylinder the inner is located pressure release hole department, above-mentioned locking subassembly is connected in the furnace body outside and locking subassembly and is compressed tightly in pressure release hole department with the connecting cylinder the inner, above-mentioned sealed pad is compressed tightly between connecting cylinder and pressure release hole and the connecting cylinder is linked together with the furnace body, one-way subassembly seals the connecting cylinder when above-mentioned one-way subassembly is located the connecting cylinder and initial state, above-mentioned one-way subassembly can.

The connecting cylinder is positioned outside the furnace body through the locking assembly creatively, the inner end of the connecting cylinder is just opposite to the pressure relief hole of the furnace body, and the sealing gasket arranged between the connecting cylinder and the furnace body can effectively improve the sealing performance between the connecting cylinder and the furnace body.

The one-way component closes the connecting cylinder in the initial state. And when the pressure in the furnace body reaches a set value, the connecting cylinder is conducted, and the high pressure in the furnace body is decompressed through the connecting cylinder.

In the pressure relief device of the environment-friendly boiler, the one-way assembly comprises a sealing seat protruding from the inner side of the connecting cylinder, an end cover, a spring and a plug, the end cover is in threaded connection with the outer end of the connecting cylinder and is provided with a through hole penetrating through the end cover, two ends of the spring are respectively used on the end cover and the plug, and the plug has a tendency of abutting against the sealing seat and forming a seal under the elastic action of the spring.

The plug has the trend of leaning on in seal receptacle department under the elasticity effect of spring, and whole connecting cylinder is in non-conductive state when plug and seal receptacle contact.

Of course, the end cover is connected with the port of the connecting cylinder in a threaded connection mode, and the structure enables the spring and the plug to be stably located in the connecting cylinder.

Because the end cover is provided with the through hole which penetrates through, the structure can ensure that the connecting cylinder can stably release pressure to high pressure in the furnace body.

In the above-mentioned pressure relief device for an environmentally friendly boiler, the end cap has a concave first notch, the plug has a concave second notch, and both ends of the spring are respectively embedded in the first notch and the second notch.

Such a structure enables stable positioning of both ends of the spring.

In the pressure relief device of the environment-friendly boiler, the connecting cylinder is obliquely arranged with the outer side of the boiler body.

The structure can reduce the occupied space of the connecting cylinder and properly improve the structure compactness.

In the pressure relief device of the environment-friendly boiler, the inner end of the connecting cylinder is provided with a plate-shaped connecting plate, and the connecting plate is matched with the outer side of the boiler body.

The contact area between the connecting plate and the outer side of the furnace body can be increased, and the connection stability is finally improved.

In the pressure relief device of the environment-friendly boiler, the inner side of the connecting plate is provided with a concave connecting seat, the connecting seat is communicated with the inner cavity of the connecting cylinder, and the sealing gasket is embedded in the connecting seat.

The sealing gasket can be stably positioned through the connecting seat, and the sealing gasket is stably positioned between the connecting plate and the furnace body.

In the pressure relief device of the environment-friendly boiler, the inner side of the sealing gasket is planar, the outer side of the sealing gasket is arc-shaped, the inner side of the sealing gasket is embedded in the connecting seat and is in surface contact with the connecting seat, and the outer side of the sealing gasket is abutted against the port of the pressure relief hole.

The inner side of the sealing gasket is in contact with the surface of the connecting seat, so that the connecting stability is effectively improved.

The outer arc-shaped structure of the sealing gasket can be smoothly embedded in the port of the pressure relief hole, and blockage is avoided.

In the pressure relief device of the environment-friendly boiler, the locking assembly comprises a positioning plate, a locking rod and a locking nut, the positioning plate is fixedly connected to the outer side of the boiler body, the locking rod is in threaded connection with the positioning plate, the connecting plate is tightly pressed between the outer side of the boiler body and the locking rod, and the locking nut is in threaded connection with the locking rod and abuts against the positioning plate.

Because the locking rod is in threaded connection with the positioning plate, the locking rod can be stably abutted against the connecting plate after being rotated.

Of course, the locking nut screwed on the locking rod can also improve the positioning stability of the locking rod.

In the pressure relief device of the environment-friendly boiler, the cross section of the positioning plate is L-shaped, the lower end of the positioning plate is fixedly connected with the boiler body, and the locking rod is in threaded connection with the middle of the positioning plate.

The structure can stably connect the locking rod to the outer side of the furnace body.

Compared with the prior art, the pressure relief device of the environment-friendly boiler is characterized in that the connecting cylinder is stably positioned outside the boiler body through the locking assembly, the locking assembly is a locking rod in threaded connection with the positioning plate, and the locking rod only needs to be rotated in the loading and unloading process, so that the whole device is convenient to load and unload.

Meanwhile, as the sealing gasket is arranged between the connecting cylinder and the furnace body, the sealing performance of the connecting part can be effectively improved, and the connecting cylinder is high in stability, compact in structure and high in practical value.

Drawings

FIG. 1 is a schematic cross-sectional view of a pressure relief device of an environmentally friendly boiler.

In the figure, 1, a furnace body; 1a, a pressure relief hole; 2. a connecting cylinder; 2a, a sealing seat; 2b, a connecting plate; 2b1, a connecting seat; 3. a gasket; 4. an end cap; 4a, a first notch; 5. a spring; 6. a plug; 6a, a second notch; 7. positioning a plate; 8. a locking lever; 9. and locking the nut.

Detailed Description

As shown in fig. 1, the boiler comprises a furnace body 1 with a hollow interior, and a pressure relief hole 1a is formed through the side of the furnace body 1.

This pressure relief device of environment-friendly boiler is located 1 outside of furnace body and is in pressure release hole 1a department, including connecting cylinder 2, sealed pad 3, locking subassembly and one-way subassembly, above-mentioned connecting cylinder 2 is cylindric and 2 inner of connecting cylinder are located pressure release hole 1a department, above-mentioned locking subassembly is connected in 1 outside of furnace body and locking subassembly and is sticis pressure release hole 1a department with 2 inner of connecting cylinder, above-mentioned sealed pad 3 is sticis between connecting cylinder 2 and pressure release hole 1a and connecting cylinder 2 and furnace body 1 internal intercommunication, one-way subassembly seals connecting cylinder 2 when above-mentioned one-way subassembly is located connecting cylinder 2 and initial condition, above-mentioned one-way subassembly can move and make connecting cylinder 2 switch on when 1 internal pressure of furnace body reaches the setting value.

The one-way assembly comprises a sealing seat 3 protruding from the inner side of the connecting cylinder 2, and further comprises an end cover 4, a spring 5 and a plug 6, wherein the end cover 4 is in threaded connection with the outer end of the connecting cylinder 2 and is provided with a through hole penetrating through the end cover 4, two ends of the spring 5 are respectively used on the end cover 4 and the plug 6, and the plug 6 is abutted against the sealing seat 2a and forms a sealing trend under the elastic action of the spring 5.

The end cover 4 is provided with a concave notch I4 a, the plug 6 is provided with a concave notch II 6, and two ends of the spring 5 are respectively embedded in the notch I4 a and the notch II 6 a.

The connecting cylinder 2 is obliquely arranged with the outer side of the furnace body 1.

The inner end of the connecting cylinder 2 is provided with a plate-shaped connecting plate 2b, and the connecting plate 2b is matched with the outer side of the furnace body 1.

The inner side of the connecting plate 2b is provided with a concave connecting seat 2b1, the connecting seat 2b1 is communicated with the inner cavity of the connecting cylinder 2, and the sealing gasket 3 is embedded in the connecting seat 2b 1.

The sealed 3 inboard of filling up is planar, and sealed 3 outsides of filling up are the arc, and above-mentioned sealed 3 inboard of filling up inlays in connecting seat 2b1 department and both face contacts, and the sealed 3 outsides of above-mentioned filling up support and lean on by pressure release hole 1a port department.

The locking assembly comprises a positioning plate 7, a locking rod 8 and a locking nut 9, the positioning plate 7 is fixedly connected to the outer side of the furnace body 1, the locking rod 8 is in threaded connection with the positioning plate 7, the connecting plate 2b is tightly pressed between the outer side of the furnace body 1 and the locking rod 8, and the locking nut 9 is in threaded connection with the locking rod 8 and the locking nut 9 abuts against the positioning plate 7.

The cross section of the positioning plate 7 is L-shaped, the lower end of the positioning plate 7 is fixedly connected with the furnace body 1, and the locking rod 8 is in threaded connection with the middle of the positioning plate 7.

The connecting cylinder is positioned outside the furnace body through the locking assembly creatively, the inner end of the connecting cylinder is just opposite to the pressure relief hole of the furnace body, and the sealing gasket arranged between the connecting cylinder and the furnace body can effectively improve the sealing performance between the connecting cylinder and the furnace body.

The one-way component closes the connecting cylinder in the initial state. And when the pressure in the furnace body reaches a set value, the connecting cylinder is conducted, and the high pressure in the furnace body is decompressed through the connecting cylinder.