阅读说明：本技术 一种用于低温余热发电系统的高安全性热源收集系统 (High-safety heat source collecting system for low-temperature waste heat power generation system ) 是由 张丹山 钟伟 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种用于低温余热发电系统的高安全性热源收集系统,包括热源收集罐、动力系统本体和自释压安全阀本体；热源收集罐外部包裹有保温层,其罐体侧面具有热源进口和释压口；动力系统本体的热源输出端与热源进口对接,用于将存储有热源的存储装置内的热源泵送至热源收集罐内；自释压安全阀本体安装于释压口,用于将所述热源收集罐内的气体放出以降低内部压强。本发明具有热源收集动力充足、热源存储热损耗小以及热源存储安全性高的优点。(The invention discloses a high-safety heat source collecting system for a low-temperature waste heat power generation system, which comprises a heat source collecting tank, a power system body and a self-pressure-releasing safety valve body; the heat source collecting tank is wrapped with a heat insulating layer, and the side surface of the tank body is provided with a heat source inlet and a pressure release port; the heat source output end of the power system body is butted with the heat source inlet and used for pumping the heat source in the storage device in which the heat source is stored into the heat source collecting tank; the self-pressure-release safety valve body is arranged at the pressure release opening and used for releasing gas in the heat source collecting tank so as to reduce the internal pressure. The invention has the advantages of sufficient heat source collecting power, small heat loss of heat source storage and high safety of heat source storage.)

1. A high safety heat source collection system for a low temperature cogeneration system, characterized by: comprises a heat source collecting tank (2), a power system body (4) and a self-pressure-releasing safety valve body (1); the heat source collecting tank (2) is wrapped with a heat insulating layer, and the side surface of the tank body is provided with a heat source inlet (21) and a pressure release port (20); the heat source output end of the power system body (4) is in butt joint with the heat source inlet (21) and is used for pumping the heat source in the storage device (5) with the heat source stored therein into the heat source collecting tank (2); the self-pressure-release safety valve body (1) is arranged at a pressure release port (20) and is used for releasing gas in the heat source collecting tank (2) to reduce the internal pressure;

the power system body (4) comprises a first conveying pipeline (41), a first rotary joint (42), a shaft type heat source filter (43), a second rotary joint (44) and a second conveying pipeline (45), which are sequentially arranged in a butt joint mode along the conveying direction of a heat source, wherein the shaft type heat source filter (43) is provided with a conical filtering cover body (432), and a cover opening of the conical filtering cover body (432) is arranged against the flowing heat source; the device is characterized by further comprising a driving mechanism (46) and two power pumps (47), wherein the driving mechanism (46) drives the shaft type heat source filter (43) to axially rotate so that the conical filtering cover body (432) filters a heat source, and the two power pumps (47) are respectively installed on the first conveying pipeline (41) and the second conveying pipeline (45);

the axial heat source filter (43) further comprises a through conveying pipe (431), and the first rotary joint (42) and the second rotary joint (44) are communicated through the through conveying pipe (431); the conical filtering cover body (432) is arranged inside the through conveying pipe (431), a cover opening of the conical filtering cover body (432) is provided with a connecting flange (4320), and the cover opening of the conical filtering cover body (432) is concentric with a water inlet end of the through conveying pipe (431) and is fixedly connected with the connecting flange (4320); the driving mechanism (46) is in driving connection with the through conveying pipe (431), and the driving mechanism (46) drives the through conveying pipe (431) to drive the conical filtering cover body (432) to axially rotate;

a liquid level measuring container (7) is arranged on the heat source collecting tank (2) through a communicating pipe (6), and the heat source collecting tank (2) and the liquid level measuring container (7) are communicated through the communicating pipe (6) to form a U-shaped structure; a liquid wave suppressor (8) for suppressing liquid fluctuation is arranged on the communicating pipe (6); and a liquid level measuring component (7a) for measuring the liquid level of the heat source is arranged on the liquid level measuring container (7).

2. The high safety heat source collection system for a low temperature cogeneration system of claim 1, wherein: the conical filtering cover body (432) is formed by arranging a plurality of uniformly and densely distributed filtering holes (4332) on the conical cover (4321).

3. The high safety heat source collection system for a low temperature cogeneration system of claim 1, wherein: the power system body (4) further comprises a fixed support plate (48), a movable support plate (49), a hydraulic cylinder (4.1) and a vertical bearing seat (4.2); the fixed supporting plate (48) is provided with an upright rod (4.3), the movable supporting plate (49) is hinged with the upright rod (4.3) and supported by the hydraulic cylinder (4.1) arranged on the fixed supporting plate (48), and the shaft-rotating heat source filter (43) is arranged on the movable supporting plate (49) in a rotating fit manner through a vertical bearing seat (4.2); the movable supporting plate (49) can be pushed by the hydraulic cylinder (4.1) and drives the shaft type heat source filter (43) to overturn to adjust the inclination angle.

4. The high safety heat source collection system for a low temperature cogeneration system of claim 1, wherein: the self-pressure-release safety valve body (1) comprises a self-pressure-release safety valve body (1); the self-pressure-release safety valve body (1) comprises a straight-through type pipe (11), a movable rod (12), a piston (13) and a balancing weight (14); the straight-through type pipe (11) is vertically arranged, the interior of the straight-through type pipe is limited by an upper baffle (15) and a lower baffle (16) to form a cavity (1a), a butt joint port (10) communicated with the cavity (1a) is arranged at the exterior of the straight-through type pipe (11), the piston (13) is movably arranged in the cavity (1a), a first through hole (130) is formed in the piston (13), and a second through hole (150) is formed in the upper baffle (15); the movable rod (12) vertically slides and penetrates through the upper baffle (15) to extend into the cavity (1a) to be fixedly connected with the piston (13); an annular groove body (17) with an upward opening is formed in the upper surface of the upper baffle plate (15), and a circular groove body (18) with a downward opening is formed in the movable rod (12) and is located above the annular groove body (17); the balancing weight (14) is arranged on the movable rod (12);

the movable rod (12) can drive the circular groove body (18) to move downwards under the action of the gravity of the balancing weight (14) to be buckled with the annular groove body (17) to seal the cavity (1 a); the air pressure in the cavity (1a) is increased, and the pushing piston (13) can drive the circular groove body (18) to move upwards to be separated from the annular groove body (17) so as to open the cavity (1 a).

5. The high safety heat source collection system for a low temperature cogeneration system of claim 4, wherein: the self-pressure-release safety valve body (1) further comprises a spring (19) which is elastically connected with the upper baffle (15) and the circular groove body (18), and the spring (19) is sleeved on the rod part of the movable rod (12) between the upper baffle (15) and the circular groove body (18).

6. The high safety heat source collection system for a low temperature cogeneration system of claim 4, wherein: the balancing weight (14) is detachably arranged on the movable rod (12); the balancing weight (14) is provided with a plurality of balancing weights, and at least one balancing weight (14) is arranged on the movable rod (12).

7. The high safety heat source collection system for a low temperature cogeneration system of claim 4, wherein: the self-pressure-release safety valve body (1) is provided with a fastening installation part (3) in a matched manner, a butt joint port (10) of the self-pressure-release safety valve body (1) is in butt joint with a pressure release port (20) of the heat source collecting tank (2), and the self-pressure-release safety valve body (1) is fixedly installed on the heat source collecting tank (2) through the fastening installation part (3); the fastening installation part (2) comprises a hollow clamping sleeve (31) and a stainless steel clamp (32) which are connected with each other, the hollow clamping sleeve (31) is fixedly sleeved on the straight-through type pipe (11), and the stainless steel clamp (32) is fastened on the heat source collecting tank (2).

8. The high safety heat source collection system for a low temperature cogeneration system of claim 1, wherein: the liquid level measuring assembly (7a) comprises a measuring rod (71) which is vertically inserted into the liquid level measuring container (7) in a sliding manner and a pointer (72) which is arranged at the top of the liquid level measuring container (7) through a supporting rod (77); the lower end of the measuring rod (71) is provided with a buoyancy ball (73), the measuring rod (71) provides buoyancy support through the buoyancy ball (73) floating on the liquid level of the heat source in the liquid level measuring container (7), and scales (74) are arranged on the measuring rod (71); the pointer (72) points horizontally to a scale (74) on the measuring rod (71).

9. The high safety heat source collection system for a low temperature cogeneration system of claim 8, wherein: the top of the liquid level measuring container (7) is provided with a through hole (7.1), the top of the liquid level measuring container (7) is provided with a ball sliding sleeve (76) concentric with the through hole (7.1), the measuring rod (71) penetrates through the through hole (7.1) and is inserted into the liquid level measuring container (7), and the measuring rod (71) is vertically arranged in a sliding manner relative to the liquid level measuring container (7) through the ball sliding sleeve (76); the ball sliding sleeve (76) is composed of a ball (762) which is freely and rollably embedded in the sleeve (761). The top end of the measuring rod (71) is provided with a limiting head (75); the top of the liquid level measuring container (7) is provided with a pressure balance hole (7.2).

10. The high safety heat source collection system for a low temperature cogeneration system of claim 9, wherein: the liquid wave inhibitor (8) comprises a straight-through pipe (81) and a plurality of wave inhibiting plates (82); the straight-through pipe (81) is communicated with the communicating pipe (6), and two ends of the straight-through pipe (81) are respectively attached with a sealing gasket (83); the wave suppression plates (82) are arranged in the straight-through pipe (81) at intervals, liquid through holes (820) are densely distributed in each wave suppression plate (82), and the liquid through holes (820) in each wave suppression plate (82) are different in size.

Technical Field

The invention belongs to the technical field of heat source collection, and particularly relates to a high-safety heat source collection system for a low-temperature waste heat power generation system.

Background

A heat source collecting tank in the low-temperature waste heat power generation system is equipment for storing a heat source, and a matched power system is required to send the heat source (such as hot water and steel blast furnace slag water) generated in the industrial processing process into the heat source collecting tank for the low-temperature waste heat power generation system to use. As is well known, most heat sources are industrial waste sources, and contain more solid impurities, so that equipment is easily damaged when the heat sources are applied to a low-temperature waste heat power generation system without being treated; in addition, the existing power system has insufficient power for conveying a heat source, so that the phenomenon of idling of all equipment of the low-temperature waste heat power generation system is easily caused by the shortage of the heat source in the heat source collecting tank.

Along with the continuous collection of the heat source, the heat source evaporates to generate steam so that the pressure in the heat source collecting tank is gradually increased, and the pressure in the heat source collecting tank needs to be released so as to ensure the safety of collecting and storing the heat source by the heat source collecting tank.

Based on the reasons, the high-safety heat source collecting system for the low-temperature waste heat power generation system has the advantages of being sufficient in heat source collecting power, small in heat source storage heat loss and high in heat source storage safety.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the high-safety heat source collecting system for the low-temperature waste heat power generation system, which has the advantages of sufficient heat source collecting power, small heat source storage heat loss and high heat source storage safety.

The technical scheme is as follows: in order to achieve the aim, the high-safety heat source collecting system for the low-temperature waste heat power generation system comprises a heat source collecting tank, a power system body and a self-pressure-releasing safety valve body; the heat source collecting tank is externally wrapped with a heat insulating layer, and the side surface of the tank body of the heat source collecting tank is provided with a heat source inlet and a pressure release port; the heat source output end of the power system body is in butt joint with the heat source inlet and is used for pumping the heat source in the storage device in which the heat source is stored into the heat source collecting tank; the self-pressure-release safety valve body is arranged at the pressure release port and used for releasing gas in the heat source collecting tank so as to reduce the internal pressure.

Furthermore, the power system body comprises a first conveying pipeline, a first rotary joint, a shaft type heat source filter, a second rotary joint and a second conveying pipeline which are sequentially arranged in a butt joint mode along the conveying direction of a heat source, the shaft type heat source filter is provided with a conical filtering cover body, and a cover opening of the conical filtering cover body is arranged to face the flowing heat source; the device comprises a conical filtering cover body, a first conveying pipeline, a second conveying pipeline, a driving mechanism and two power pumps, wherein the conical filtering cover body is arranged on the conical filtering cover body;

the axial heat source filter also comprises a straight-through conveying pipe, and the first rotary joint and the second rotary joint are communicated through the straight-through conveying pipe; the conical filtering cover body is arranged in the straight-through conveying pipe, a cover opening of the conical filtering cover body is provided with a connecting flange, and the cover opening of the conical filtering cover body is concentric with the water inlet end of the straight-through conveying pipe and is fixedly connected with the water inlet end of the straight-through conveying pipe through the connecting flange; the driving mechanism is in driving connection with the straight-through conveying pipe, and drives the straight-through conveying pipe to drive the conical filtering cover body to axially rotate;

a liquid level measuring container is arranged on the heat source collecting tank through a communicating pipe, and the heat source collecting tank and the liquid level measuring container are communicated through the communicating pipe to form a U-shaped structure; a liquid wave suppressor for suppressing liquid fluctuation is arranged on the communicating pipe; and a liquid level measuring assembly for measuring the liquid level of the heat source is arranged on the liquid level measuring container.

Furthermore, the conical filtering cover body is formed by arranging a plurality of uniformly and densely distributed filtering holes on the conical cover.

Furthermore, the power system body also comprises a fixed support plate, a movable support plate, a hydraulic cylinder and a vertical bearing seat; the fixed supporting plate is provided with an upright rod, the movable supporting plate is hinged with the upright rod and is supported by the hydraulic cylinder arranged on the fixed supporting plate, and the shaft-rotating heat source filter is arranged on the movable supporting plate in a rotating fit manner through a vertical bearing seat; the movable supporting plate can be pushed by the hydraulic cylinder and drives the shaft type heat source filter to turn over to adjust the inclination angle.

Further, the self-pressure-relief valve body comprises a self-pressure-relief valve body; the self-pressure-release safety valve body comprises a straight-through type pipe, a movable rod, a piston and a balancing weight; the piston is movably arranged in the cavity, a first through hole is formed in the piston, and a second through hole is formed in the upper baffle; the movable rod vertically slides to penetrate through the upper baffle plate and extend into the cavity to be fixedly connected with the piston; an annular groove body with an upward opening is formed in the upper surface of the upper baffle plate, and a circular groove body with a downward opening is formed in the movable rod and is positioned above the annular groove body; the balancing weight is arranged on the movable rod;

the movable rod can drive the circular groove body to move downwards under the action of the gravity of the balancing weight to be buckled with the annular groove body so as to seal the cavity; the air pressure in the cavity is increased, and the piston can be pushed to drive the circular groove body to move upwards and be separated from the annular groove body, so that the cavity is opened.

Further, the self-pressure-releasing safety valve body further comprises a spring which is elastically connected with the upper baffle and the circular groove body, and the spring is sleeved on the rod part of the movable rod between the upper baffle and the circular groove body.

Furthermore, the balancing weight is detachably arranged on the movable rod; the balancing weight is the polylith, at least one the balancing weight is installed on the movable rod.

Furthermore, a fastening installation part is arranged on the self-pressure-release safety valve body in a matched manner, a butt joint port of the self-pressure-release safety valve body is in butt joint with a pressure-release port of the heat source collecting tank, and the self-pressure-release safety valve body is fixedly installed on the heat source collecting tank through the fastening installation part; the fastening installation part comprises a hollow clamping sleeve and a stainless steel hoop which are connected with each other, the hollow clamping sleeve is fixedly sleeved on the straight-through type pipe, and the stainless steel hoop is fastened on the heat source collecting tank.

Furthermore, the liquid level measuring assembly comprises a measuring rod which is vertically inserted into the liquid level measuring container in a sliding manner and a pointer which is arranged at the top of the liquid level measuring container through a supporting rod; the lower end of the measuring rod is provided with a buoyancy ball, the measuring rod provides buoyancy support through the buoyancy ball floating on the liquid level of the heat source in the liquid level measuring container, and the measuring rod is provided with scales; the pointer points to the scale on the measuring rod horizontally.

Furthermore, a through hole is formed in the top of the liquid level measurement container, a ball sliding sleeve concentric with the through hole is arranged on the top of the liquid level measurement container, the measuring rod penetrates through the through hole and is inserted into the liquid level measurement container, and the measuring rod is vertically arranged in a sliding mode relative to the liquid level measurement container through the ball sliding sleeve; the ball sliding sleeve is composed of balls which are freely rolled and embedded in the sleeve. The top end of the measuring rod is provided with a limiting head; the top of the liquid level measuring container is provided with a pressure balance hole.

Further, the liquid wave suppressor comprises a straight-through pipe and a plurality of wave suppression plates; the straight-through pipe is communicated with the communicating pipe, and two ends of the straight-through pipe are respectively provided with a sealing gasket in a joint way; the wave suppression plates are arranged in the through pipe at intervals, liquid through holes are densely distributed in each wave suppression plate, and the liquid through holes in each wave suppression plate are different in size.

Has the advantages that: the high-safety heat source collecting system for the low-temperature waste heat power generation system has the following beneficial effects:

1) the invention has the advantages of sufficient heat source collecting power, small heat loss of heat source storage and high safety of heat source storage;

2) solid impurities can be filtered out of the heat source and then sent into the heat source collecting tank through the power system body, so that the damage of the solid impurities contained in the heat source in the waste heat power generation system to equipment is avoided;

3) a double-pump mode is adopted to provide power for conveying the heat source, the collected power is sufficient, and the efficiency is high;

4) the self-pressure-release safety valve body can automatically release pressure in the process of collecting the heat source by the heat source collecting tank, so that the safety of collecting and storing the heat source by the heat source collecting tank is ensured, the structure is simple, the adjustment and the use are convenient, and the self-pressure-release safety valve body is suitable for large-scale popularization and application;

5) the principle of the communicating vessel can be utilized to reduce the fluctuation of a heat source, so that the liquid level can be accurately measured, and the communicating vessel has a simple structure and is convenient to use;

6) the liquid wave suppressor is arranged on the communicating pipe, so that the fluctuation influence of a heat source can be effectively blocked, and the accuracy of liquid level monitoring is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the power system body;

FIG. 3 is a schematic view of a half-sectional structure of a shaft-type heat source filter;

FIG. 4 is a schematic half-sectional view of a self-releasing safety valve body;

FIG. 5 is a schematic view of the overall structure of the self-releasing safety valve body and the fastening installation member;

FIG. 6 is a schematic structural view of an embodiment of a liquid level measuring vessel;

FIG. 7 is a schematic view of the liquid level measurement vessel and the liquid level measurement assembly;

fig. 8 is a schematic structural diagram of a liquid wave suppressor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the attached figure 1, the high-safety heat source collecting system for the low-temperature waste heat power generation system comprises a heat source collecting tank 2, a power system body 4 and a self-pressure-releasing safety valve body 1; the heat source collecting tank 2 is wrapped with a heat insulating layer, and the side surface of the tank body is provided with a heat source inlet 21 and a pressure release port 20; the heat source output end of the power system body 4 is in butt joint with the heat source inlet 21 and is used for pumping the heat source in the storage device 5 with the heat source stored therein into the heat source collecting tank 2; the self-pressure-release safety valve body 1 is installed at a pressure release port 20 and is used for releasing gas in the heat source collecting tank 2 to reduce the internal pressure. The invention has the advantages of sufficient heat source collecting power, small heat loss of heat source storage and high safety of heat source storage.

As shown in fig. 2 and fig. 3, the power system body 4 includes a first conveying pipeline 41, a first rotary joint 42, an axial heat source filter 43, a second rotary joint 44 and a second conveying pipeline 45 which are arranged in a butt joint manner in sequence along a heat source conveying direction, the axial heat source filter 43 has a conical filter cover body 432, and a cover opening of the conical filter cover body 432 is arranged facing a flowing heat source; the device further comprises a driving mechanism 46 and two power pumps 47, wherein the driving mechanism 46 drives the axial heat source filter 43 to rotate axially so that the conical filtering cover body 432 filters the heat source, and the two power pumps 47 are respectively arranged on the first conveying pipeline 41 and the second conveying pipeline 45. The conical filtering cover body 432 is arranged, so that solid impurities can be filtered from a heat source and then sent into the heat source collecting tank, the damage of the solid impurities contained in the heat source in the waste heat power generation system to equipment is avoided, and the conical filtering cover body 432 in a rotating state performs filtering operation in a moving mode, so that the blockage is avoided, and the filtering effect is better; in addition, the invention adopts a double-pump mode to provide heat source to convey power, and has sufficient power collection and high efficiency.

The axial heat source filter 43 further includes a through delivery pipe 431, and the first rotary joint 42 and the second rotary joint 44 are communicated through the through delivery pipe 431; the conical filtering cover body 432 is arranged inside the through conveying pipe 431, a cover opening of the conical filtering cover body 432 is provided with a connecting flange 4320, and the cover opening of the conical filtering cover body 432 is concentric with the water inlet end of the through conveying pipe 431 and is fixedly connected with the water inlet end of the through conveying pipe 431 through the connecting flange 4320; the driving mechanism 46 is in driving connection with the through conveying pipe 431, and the driving mechanism 46 drives the through conveying pipe 431 to drive the conical filtering cover body 432 to axially rotate.

As shown in fig. 6, a liquid level measuring container 7 is arranged on the heat source collecting tank 2 through a communicating pipe 6, and the heat source collecting tank 2 and the liquid level measuring container 7 are communicated through the communicating pipe 6 to form a U-shaped structure; a liquid wave suppressor 8 for suppressing liquid fluctuation is arranged on the communicating pipe 6; and a liquid level measuring component 7a for measuring the liquid level of the heat source is arranged on the liquid level measuring container 7. Because the high temperature of the heat source can generate a large amount of bubbles, the liquid level of the heat source is always in a fluctuation state and is not easy to monitor. The invention can reduce the fluctuation of the heat source by utilizing the principle of the communicating vessel, thereby realizing more accurate measurement of the liquid level. In addition, the liquid wave suppressor 8 is arranged on the communicating pipe 6, so that the fluctuation influence of a heat source can be effectively blocked, and the accuracy of liquid level monitoring is greatly improved.

In the present invention, the first transportation pipe 41 is connected to the storage device 5 storing the heat source, the storage device 5 refers to a device for storing a large amount of heat sources in an industrial process, such as a heat source storage pool, a heat source storage chamber, and the like, the second transportation pipe 45 is connected to the heat source inlet 21 of the heat source collecting tank 2, and then the two power pumps 47 are started to transport the heat sources into the heat source collecting tank 2.

In the present invention, the conical filtering cover 432 is formed by opening a plurality of uniformly and densely distributed filtering holes 4332 on the conical cover 4321, which is a structural embodiment of the conical filtering cover 432, and of course, there is a second embodiment that the conical filtering cover 432 is a conical mesh cover woven by stainless steel wires.

The power system body 4 further comprises a fixed support plate 48, a movable support plate 49, a hydraulic cylinder 4.1 and a vertical bearing seat 4.2; the fixed support plate 48 is provided with an upright rod 4.3, the movable support plate 49 is hinged with the upright rod 4.3 and supported by the hydraulic cylinder 4.1 arranged on the fixed support plate 48, and the shaft-rotating heat source filter 43 is arranged on the movable support plate 49 in a rotating fit manner through a vertical bearing seat 4.2; the movable supporting plate 49 can be pushed by the hydraulic cylinder 4.1 and drives the shaft type heat source filter 43 to overturn to adjust the inclination angle. The conical filtering cover body 432 collects the filtered solid impurities in the conical filtering cover body, when the solid impurities need to be discharged, the first rotary joint 42 and the second rotary joint 44 are manually disassembled, and then the whole shaft type heat source filter 43 is pushed by the hydraulic cylinder 4.1 to turn over so as to pour out the solid impurities.

More specifically, the driving mechanism 46 includes a gear 462 provided on the movable support plate 49 via a motor 461, and a toothed ring 463 fitted around the outer periphery of the through delivery pipe 431, the gear 462 being engaged with the toothed ring 463.

As shown in fig. 4 and 5, the self-pressure-relief valve body 1 includes a self-pressure-relief valve body 1; the self-pressure-relief safety valve body 1 comprises a straight-through type pipe 11, a movable rod 12, a piston 13 and a balancing weight 14; the straight-through type pipe 11 is vertically arranged, the interior of the straight-through type pipe is limited by an upper baffle 15 and a lower baffle 16 to form a cavity 1a, a butt joint port 10 communicated with the cavity 1a is arranged outside the straight-through type pipe 11, the piston 13 is movably arranged in the cavity 1a, a first through hole 130 is formed in the piston 13, and a second through hole 150 is formed in the upper baffle 15; the movable rod 12 vertically slides and penetrates through the upper baffle 15 to extend into the cavity 1a and is fixedly connected with the piston 13; an annular groove body 17 with an upward opening is formed in the upper surface of the upper baffle 15, and a circular groove body 18 with a downward opening is formed in the movable rod 12 and is located above the annular groove body 17; the balancing weight 14 is arranged on the movable rod 12; the movable rod 12 can drive the circular groove body 18 to move downwards under the action of the gravity of the balancing weight 14 to be buckled with the annular groove body 17 so as to seal the cavity 1 a; the air pressure in the cavity 1a is increased, so that the pushing piston 13 can drive the circular groove body 18 to move upwards to be separated from the annular groove body 17, and the cavity 1a is opened. The self-pressure-release safety valve body can automatically release pressure in the process of collecting the heat source by the heat source collecting tank 2, so that the safety of collecting and storing the heat source by the heat source collecting tank 2 is ensured, the structure is simple, the adjustment and the use are convenient, and the self-pressure-release safety valve body is suitable for large-scale popularization and application.

The self-pressure-release safety valve body 1 is provided with a fastening installation part 3 in a matched mode, a butt joint port 10 of the self-pressure-release safety valve body 1 is in butt joint with a pressure release port 20 of the heat source collecting tank 2, and the self-pressure-release safety valve body 1 is fixedly installed on the heat source collecting tank 2 through the fastening installation part 3. In the invention, the heat sources collected by the heat source collecting tank 2 are industrial heat sources such as hot water, slag flushing water of a steel blast furnace and the like, and the heat sources can generate steam, and the principle of the self-pressure-release safety valve body 1 is briefly described as follows:

the heat source collecting tank 2 is used for collecting heat sources, the pressure in the heat source collecting tank 2 is gradually increased by vapor generated by the heat sources, the vapor enters the cavity 1a of the self-pressure-release safety valve body 1 through the pressure release port 20, the air pressure in the cavity 1a is gradually increased, when the pressure resistance limit of the balancing weight 14 is exceeded, the air pressure in the cavity 1a pushes the piston 13 to drive the circular groove body 18 to move upwards to be separated from the annular groove body 17 so as to open the cavity 1a for pressure release, and along with the pressure release, when the air pressure strength in the cavity 1a is gradually reduced to be lower than the pressure resistance limit of the balancing weight 14, the movable rod 12 can drive the circular groove body 18 to move downwards under the action of the gravity of the balancing weight 14 to be buckled with the annular groove body 17 so as to seal.

The self-pressure-release safety valve body 1 further comprises a spring 19 which is elastically connected with the upper baffle 15 and the circular groove body 18, and the spring 19 is sleeved on the rod part of the movable rod 12 between the upper baffle 15 and the circular groove body 18. The spring 19 can provide good elastic protection effect, and the collision damage of other structures caused by the vertical movement of the movable rod 12 is avoided.

Notably, the weight block 14 is detachably mounted on the movable rod 12; the balancing weight 14 is a plurality of balancing weights, and at least one balancing weight 14 is arranged on the movable rod 12. According to the invention, the pressure bearing limit of the self-pressure-release safety valve can be adjusted according to the installation amount of the balancing weight 14, the more the balancing weight 14 is, the larger the pressure bearing limit is, the less the balancing weight 14 is, and the smaller the pressure bearing limit is.

More specifically, be provided with the external screw thread on the upper end pole portion of movable rod 12, be provided with the internal thread hole on the balancing weight 14, balancing weight 14 passes through threaded connection mode and movable rod 12 demountable installation. Simple structure and convenient installation.

Sealing rubber pads are laid on the inner groove wall of the annular groove body 17 and the inner groove wall and the outer groove wall of the circular groove body 18 in a laminating mode, and good sealing performance of the cavity 1a is guaranteed under the buckling state of the circular groove body 18 and the annular groove body 17.

The second through holes 150 are all located in the inner ring enclosing range of the annular groove body 17, so that the feasibility of the self-pressure releasing function of the self-pressure releasing safety valve is ensured.

More specifically, the fastening and mounting member 3 comprises a hollow clamping sleeve 31 and a stainless steel clamping band 32 which are connected with each other, the hollow clamping sleeve 31 is fixedly sleeved on the straight-through pipe 11, and the stainless steel clamping band 32 is fastened on the heat source collecting tank 2. Wherein, the hollow cutting sleeve 31 is formed by arranging a central mounting hole on the block body.

As shown in fig. 7, the liquid level measuring assembly 7a comprises a measuring rod 71 which is vertically and slidably inserted into the liquid level measuring container 7, and a pointer 72 which is arranged at the top of the liquid level measuring container 7 through a supporting rod 77; the lower end of the measuring rod 71 is provided with a buoyancy ball 73, the measuring rod 71 provides buoyancy support through the buoyancy ball 73 floating on the liquid level of the heat source in the liquid level measuring container 7, and the measuring rod 71 is provided with scales 74; the pointer 72 points horizontally to a scale 74 on the measuring stick 71. The liquid level measuring component 7a is simple in structure, the measuring rod 71 is lifted along with the height change of the liquid level, and the liquid level value can be read visually through the pointer 72.

More specifically, through-hole 7.1 has been seted up at liquid level measurement container 7 top, liquid level measurement container 7 top is provided with the ball sliding sleeve 76 with the through-hole 7.1 is concentric, inside measuring stick 71 passed through-hole 7.1 and inserted liquid level measurement container 7, and measuring stick 71 passes through the vertical setting of sliding of ball sliding sleeve 76 relative liquid level measurement container 7. The measurement rod 71 can be ensured to ascend and descend more smoothly through the arrangement of the ball sliding sleeve 76, and clamping stagnation is avoided.

More specifically, the ball slide sleeve 76 is formed by a ball 762 freely rolling and fitted in the sleeve 761.

It should be noted that, in order to avoid the measuring rod 71 moving down too much to fall into the liquid level measuring container 7, a limiting head 75 is provided at the top end of the measuring rod 71 for limiting protection.

The top of the liquid level measuring container 7 is provided with a pressure balance hole 7.2, so that the balance of the internal pressure and the external pressure of the liquid level measuring container 7 is ensured, and the pressure increase in the liquid level measuring container 7 is avoided to crush the buoyancy ball 73.

As shown in fig. 8, the liquid wave suppressor 8 includes a straight pipe 81 and a plurality of wave-suppressing plates 82; the straight-through pipe 81 is communicated with the communicating pipe 6, and two ends of the straight-through pipe 81 are respectively attached with the sealing gaskets 83; the wave suppression plates 82 are arranged in the straight-through pipe 81 at intervals, liquid through holes 820 are densely distributed in each wave suppression plate 82, and the liquid through holes 820 in each wave suppression plate 82 are different in size. Every heat source is through a wave suppression plate 82, can all be suppressed undulant in proper order, through the setting of the multi-plate wave suppression plate 82, has realized suppressing ripples action to liquid many times to consume the fluctuation energy of heat source step by step, guarantee the stability of heat source liquid level in the liquid level measurement container 3, improve liquid level monitoring's accuracy.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.