CN210861725U

CN210861725U - Pressure relief device of boiler heating system

Info

Publication number: CN210861725U
Application number: CN201921371190.2U
Authority: CN
Inventors: 马古柏; 余清; 何章毅; 谭艳; 徐隆慧; 骆功喜
Original assignee: Xinjiang Herong Thermal Power Co ltd
Current assignee: Xinjiang Herong Thermal Power Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-26
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a boiler heating system pressure relief device relates to boiler protection technical field, including boiler room and condensing box, one side intercommunication of boiler room has water supply pipe, and the opposite side intercommunication of boiler room has heating pipe, the inside of condensing box is provided with the condenser pipe, and one side intercommunication of condensing box has the pressure release pipe. The utility model discloses in, through connecting the circle frame, the pressure release hole, the cooperation between pressure release dish and the spring, can make when boiler room internal pressure is too big in time and automatic pressure release, prevent the boiler room from damaging, and can prevent again that the pressure release from excessively leading to the waste of vapor, rethread condensation case, the feed liquor pipe, condenser pipe and between the cooperation drain pipe, most vapor that the messenger unloaded the pressure turns into high temperature liquid water, so that flow back to the boiler room through the back flow and continue to use, the initial temperature of adding boiler room water has been improved, reduce the required fuel of heating boiler room, thermal waste has been reduced.

Description

Pressure relief device of boiler heating system

Technical Field

The utility model relates to a boiler protection technical field specifically is a boiler heating system pressure relief device.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the hot water or the steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device or be converted into electric energy through a generator. A boiler for supplying hot water is called a hot water boiler, and is mainly used for life and heating people. However, when the heating demand is not high, the internal pressure of the boiler is increased due to excessive steam in the boiler, so that the boiler is damaged, and most boilers do not use the heat contained in the steam in the pressure relief process, thereby seriously wasting resources.

Disclosure of Invention

The utility model aims at providing a boiler heating system pressure relief device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a boiler heating system pressure relief device comprises a boiler chamber and a condensation box, wherein one side of the boiler chamber is communicated with a water supply pipeline, the other side of the boiler chamber is communicated with a heating pipeline, an exhaust pipe is arranged above the water supply pipeline, a return pipe is arranged between the exhaust pipe and the water supply pipeline, one side of the upper surface of the boiler chamber is penetrated with a liquid inlet pipe, the other side of the upper surface of the boiler chamber is penetrated with a liquid outlet pipe, a partition plate is arranged on the upper side of the inside of the boiler chamber, a condensation pipe is arranged inside the condensation box, one side of the condensation box is communicated with a pressure relief pipe, a connecting round frame is arranged inside the pressure relief pipe, a first connecting hole is formed in the upper side of the middle of the connecting round frame, a pressure relief hole is formed in one side of the partition plate, a pressure relief plate is arranged inside the pressure relief hole, and a spring is arranged between the pressure, the middle upper side of the pressure relief disc is provided with a second connecting hole, and a connecting shaft is sleeved inside the spring.

As a further aspect of the present invention: the inside heat preservation cotton that is filled of baffle, the condenser box is in the upside of baffle.

As a further aspect of the present invention: the lower extreme of pressure release pipe is in directly over the pressure release hole, and the diameter of pressure release pipe is greater than the diameter in pressure release hole, the lower extreme of pressure release pipe is provided with the sealing washer with the upper surface contact part of baffle, the outer wall of connecting the circle frame passes through welded connection with the inner wall of pressure release pipe, inside the upside of connecting axle passed first connecting hole, and the diameter of connecting axle upper end is greater than the diameter of first connecting hole, the lower extreme of connecting axle is in the inside of second connecting hole, the upside of connecting axle passes through clearance fit with connecting the circle frame and is connected, and the lower extreme of connecting axle passes through interference fit with the pressure release hole and is connected.

As a further aspect of the present invention: the condenser pipe is in a spiral shape, the lower end of the liquid inlet pipe is communicated with one end of the condenser pipe, the lower end of the liquid outlet pipe is communicated with the other end of the condenser pipe, and one end of the exhaust pipe is communicated with the condenser box.

As a further aspect of the present invention: one end of the return pipe is communicated with one side of the condensing box, a gate valve is arranged on the lower side, located outside the boiler chamber, of the return pipe, and the other end of the return pipe is communicated with the upper side of the water supply pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: through connecting the circle frame, the pressure release hole, the cooperation between pressure release dish and the spring, can make when boiler room internal pressure is too big in time and automatic pressure release, prevent the boiler room from damaging, and can prevent again that the pressure release from excessively leading to the waste of vapor, rethread condensing box, the feed liquor pipe, condenser pipe and the cooperation drain pipe between, most vapor that the messenger unloaded the pressure turn into high temperature liquid water, so that flow back to the indoor continuation of boiler through the back flow, the initial temperature of adding boiler room water has been improved, reduce the required fuel of heating boiler room, thermal waste has been reduced.

Drawings

FIG. 1 is a schematic diagram of a pressure relief device of a boiler heating system.

Fig. 2 is an enlarged view of a pressure relief device a of a boiler heating system.

FIG. 3 is a schematic structural diagram of a connecting circular frame, a spring and a pressure relief disc in a pressure relief device of a boiler heating system.

The labels in the figure are: 1. a boiler room; 2. a condenser tank; 3. a water supply pipeline; 4. a heating pipe; 5. an exhaust pipe; 6. a liquid inlet pipe; 7. a liquid outlet pipe; 8. a partition plate; 9. a return pipe; 10. a pressure relief pipe; 11. a condenser tube; 12. connecting the round frames; 13. a pressure relief vent; 14. a pressure relief disc; 15. a spring; 16. a first connection hole; 17. a second connection hole; 18. and (7) connecting the shafts.

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. 1-3, in an embodiment of the present invention, a pressure relief device for a boiler heating system includes a boiler room 1 and a condenser box 2, and is characterized in that: one side of a boiler chamber 1 is communicated with a water supply pipeline 3, the other side of the boiler chamber 1 is communicated with a heating pipeline 4, an exhaust pipe 5 is arranged above the water supply pipeline 3, a return pipe 9 is arranged between the exhaust pipe 5 and the water supply pipeline 3, one end of the return pipe 9 is communicated with one side of a condensing box 2, a gate valve is arranged at the lower side of the return pipe 9, which is positioned outside the boiler chamber 1, the other end of the return pipe 9 is communicated with the upper side of the water supply pipeline 3, a liquid inlet pipe 6 penetrates through one side of the upper surface of the boiler chamber 1, a liquid outlet pipe 7 penetrates through the other side of the upper surface of the boiler chamber 1, a partition plate 8 is arranged at the upper side inside of the boiler chamber 1, heat-insulating cotton is filled in the partition plate 8, the condensing box 2 is positioned at the upper side of the partition plate 8, a condensing pipe 11 is arranged inside the condensing box 2, the condensing pipe 11 is in a, one end of the exhaust pipe 5 is communicated with the condensation box 2, one side of the condensation box 2 is communicated with a pressure relief pipe 10, a connection round frame 12 is arranged inside the pressure relief pipe 10, a first connection hole 16 is arranged on the upper side of the middle of the connection round frame 12, a pressure relief hole 13 is arranged on one side of the partition plate 8, a pressure relief plate 14 is arranged inside the pressure relief hole 13, a spring 15 is arranged between the pressure relief plate 14 and the pressure relief hole 13, a second connection hole 17 is arranged on the upper side of the middle of the pressure relief plate 14, a connection shaft 18 is sleeved inside the spring 15, the lower end of the pressure relief pipe 10 is positioned right above the pressure relief hole 13, the diameter of the pressure relief pipe 10 is larger than that of the pressure relief hole 13, a sealing ring is arranged at the contact part of the lower end of the pressure relief pipe 10 and the upper surface of the partition plate 8, the outer wall of the connection round frame 12 is connected with the inner wall of the, the lower end of the connecting shaft 18 is located inside the second connecting hole 17, the upper side of the connecting shaft 18 is connected with the connecting circular frame 12 through clearance fit, and the lower end of the connecting shaft 18 is connected with the pressure relief hole 13 through interference fit.

The utility model discloses a theory of operation is: in the using process, a user firstly conveys water to the lower side inside the boiler room 1 through the water supply pipeline 3, the bottom of the boiler room 1 is heated to heat the water on the lower side inside the boiler room 1 to be evaporated, the evaporated steam is conveyed to a human living area through the heating pipeline 4 to meet the heating requirement, when the steam inside the boiler room 1 is excessive, the internal pressure of the boiler room 1 is increased, the pressure relief disc 14 extrudes the spring 15 to move upwards under the action of pressure until the pressure relief disc 14 rises above the pressure relief hole 13, at the moment, the excessive steam inside the boiler room 1 passes through the pressure relief hole 13 to enter the pressure relief pipe, the damage of the boiler room 1 caused by the excessive pressure is prevented, when the pressure inside the boiler room 1 is reduced to a bearing range, the spring 15 drives the pressure relief disc 14 and the connecting shaft 18 to move downwards through the elasticity of the spring 15, and the pressure relief disc 14 returns to the pressure relief hole 13 through the, in order to block up pressure release hole 13, prevent that excessive pressure release from leading to the waste of vapor, the inside vapor of pressure release pipe 10 gets into inside 2 condensing tanks, pass through feed liquor pipe 6 with the coolant liquid this moment and continuously carry to inside 11 condensing tubes, the coolant liquid is to the vapor effect rather than flow direction opposite, make most vapor cool down to change into high temperature liquid water, in the process of condensation, also will not contain the gas of vapor and cool down, gas after the cooling and few part non-liquefied vapor pass through blast pipe 5 and arrange to the atmosphere in, when needs continue to add water to boiler room 1, through opening the gate valve that sets up on the back flow 9, make high temperature liquid water loop through back flow 9 and water supply pipe 3 and get into inside boiler room 1, in order to improve the initial temperature of adding boiler room 1 water, reduce the required fuel of heating boiler room 1, thermal waste has been reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a boiler heating system pressure relief device, includes boiler room (1) and condensing box (2), its characterized in that: one side of the boiler chamber (1) is communicated with a water supply pipeline (3), the other side of the boiler chamber (1) is communicated with a heating pipeline (4), an exhaust pipe (5) is arranged above the water supply pipeline (3), a return pipe (9) is arranged between the exhaust pipe (5) and the water supply pipeline (3), a liquid inlet pipe (6) penetrates through one side of the upper surface of the boiler chamber (1), a liquid outlet pipe (7) penetrates through the other side of the upper surface of the boiler chamber (1), a partition plate (8) is arranged on the upper side inside the boiler chamber (1), a condensation pipe (11) is arranged inside the condensation box (2), a pressure relief pipe (10) is communicated with one side of the condensation box (2), a connecting round frame (12) is arranged inside the pressure relief pipe (10), a first connecting hole (16) is formed in the upper side of the middle of the connecting round frame (12), and a pressure relief hole (13) is formed in one side of the partition plate (8, the inside of pressure release hole (13) is provided with pressure release dish (14), be provided with spring (15) between pressure release dish (14) and pressure release hole (13), second connecting hole (17) have been seted up to the middle upside of pressure release dish (14), the inside cover of spring (15) has connecting axle (18).

2. The pressure relief device of a boiler heating system according to claim 1, characterized in that: the heat preservation cotton is filled in the partition plate (8), and the condensation box (2) is located on the upper side of the partition plate (8).

3. The pressure relief device of a boiler heating system according to claim 1, characterized in that: the lower extreme of pressure release pipe (10) is in directly over pressure release hole (13), and the diameter of pressure release pipe (10) is greater than the diameter of pressure release hole (13), the lower extreme of pressure release pipe (10) is provided with the sealing washer with the upper surface contact part of baffle (8), the outer wall of connecting circle frame (12) passes through welded connection with the inner wall of pressure release pipe (10), the upside of connecting axle (18) passes inside first connecting hole (16), and the diameter of connecting axle (18) upper end is greater than the diameter of first connecting hole (16), the lower extreme of connecting axle (18) is in the inside of second connecting hole (17), the upside of connecting axle (18) with be connected circle frame (12) and be connected through clearance fit, and the lower extreme of connecting axle (18) is connected through pressure release interference fit with pressure release hole (13).

4. The pressure relief device of a boiler heating system according to claim 1, characterized in that: condenser pipe (11) are the helical shape, the lower extreme of feed liquor pipe (6) and the one end intercommunication of condenser pipe (11), the lower extreme of drain pipe (7) and the other end intercommunication of condenser pipe (11), the one end and the condensing box (2) intercommunication of blast pipe (5).

5. The pressure relief device of a boiler heating system according to claim 1, characterized in that: one end of the return pipe (9) is communicated with one side of the condensing box (2), a gate valve is arranged on the lower side, located outside the boiler chamber (1), of the return pipe (9), and the other end of the return pipe (9) is communicated with the upper side of the water supply pipeline (3).