CN101220881B

CN101220881B - Pressure breaking device

Info

Publication number: CN101220881B
Application number: CN2007101589935A
Authority: CN
Inventors: 刘梦真
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-18
Filing date: 2007-12-18
Publication date: 2010-06-23
Anticipated expiration: 2027-12-18
Also published as: CN101220881A

Abstract

The invention provides a pressure breakage device which is applied to a liquid circulation system and realizes a pressure reduction and automatic switching function. The invention solves the problem that a relief valve sold in the market has unideal shutdown, no exhaust function, complex structure and low reliability. A highrise building no-water tank direct connection heat supply system belongs to an open typed system which can not be applied to a deoxidized heat supply system. The key points of the invention are that the invention is a cross-shaped four-way pipe; the two pipes in the horizontal direction are respectively a water inlet pipe and a water outlet pipe; the internal chambers of the two pipes are changed from gradual reduction shape to gradual enlargement shape; an upper pipe and a lower pipe in vertical direction are respectively a low-pressure driving pipe and a high-pressure driving pipe; the lower end of the high-pressure driving pipe is a taper; the internal chamber wall of the upper end of the low-pressure driving pipe is provided with a lug boss which plays a position limit role; the internal chambers of the high-pressure driving pipe and the low-pressure driving pipe are provided with adjusting columns; the column body is cut with a transverse through hole; the position of the transverse through hole is that when the adjusting columns move upwards to the position limit lug boss, the water inlet pipe and the water outlet pipe are communicated by the transverse through hole.

Description

Pressure breaking device

Technical field

The present invention relates to be applied in the device of realizing decompression, recloser and degassing function in the fluid circulation system, such as the valve that in heating system, central air conditioning water system or hot water supply system, uses, realize decompression, recloser and degassing function.

Background technique

Use a boiler tall building in the one's respective area and low storied building heating simultaneously, most economical method is to utilize the low-temperature hydrothermal origin system direct connection heating in original low district, the directly connecting heat supply system without water tank for high-rise building that occurs in recent years for example, and in system, use reduction valve class methods etc.

Commercially available reduction valve is not to design for direct connection heating system specially at present, but direct connection heating system is brought use, therefore some parameters on this reduction valve, performance and not exclusively be applicable to direct connection heating system,, disappearance degassing function undesirable etc. such as turn-off function.Moreover, it brings to make trouble and the low problem of reliability also because of complex structure.Particularly, turn-off when system's operation also will be provided with electronic class valve when stopping, not only frequent movement is easy to damage, and turn-offs insecure defective but also exist when sudden power.

Directly connecting heat supply system without water tank for high-rise building can overcome the above-mentioned defective that reduction valve exists effectively, but it belongs to open system, communicates with atmosphere, can not be applied on the heating system of deoxygenation.

Summary of the invention

At the deficiencies in the prior art, the object of the present invention is to provide a kind of pressure breaking device, it is applied in the direct connection heating system, and the realization system turn-offs, pressure-reducing function.

The object of the present invention is achieved like this: it is the cross four-way pipe, and two pipes of substantially horizontal are respectively intake pipe, outlet pipe; Upper and lower two pipes of Vertical direction are respectively low pressure, high drive pipe, in two tube cavities, adjustable column is arranged, on shaft, have cross through hole, when the position of cross through hole is a limit position part in adjustable column goes upward to the low-voltage driving pipe, cross through hole is communicated with intake pipe and outlet pipe, and limit position part is also arranged in the high drive pipe.

The method of the present invention being linked directly connecting heat supply system without water tank for high-rise building is, the high drive pipe is received the front end of system's safety check, and intake pipe and outlet pipe are concatenated on the height district return piping of system, and the low-voltage driving pipe is communicated with outlet pipe.

When system moves, compression pump pressurizes outdoor low district hot water, deliver to the radiator heat release of high drive Guan Hegao of the present invention district successively, high-pressure water heating overcomes adjustable column gravity with the supreme limit position part of adjustable column jack-up, this moment, the cross through hole on the adjustable column was communicated with intake pipe and outlet pipe, and the present invention is for opening state, high backwater flow through intake pipe and the outlet pipe distinguished, during cross through hole on backwater is flowed through adjustable column, be the backwater decompression.

When compression pump is out of service, the pressure of high drive water pipe reduces, and adjustable column is dropped rapidly to the lower limit parts under the self gravitation effect, and through hole on the adjustable column and intake pipe and outlet pipe stagger, shaft is with intake pipe and outlet pipe blocking-up, and the static pressure that Jiang Gao district backwater and it produce cuts off automatically.

The present invention has utilized the power of the pressure difference of system's safety check front end as system's Push And Release, makes the Push And Release of system not influenced by system height, so its practicability and reliability improve greatly, can be widely applied in the various cold and hot liquids circulatory systems.The present invention compares with reduction valve, and it is simple in structure, and is with low cost, good reliability.Compare with open system, have anti-corrosion characteristic.

Description of drawings

Further specify the present invention below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the present invention when being out state.

Fig. 2 is the system's connection diagram that the present invention is applied to directly connecting heat supply system without water tank for high-rise building.

Embodiment

Referring to Fig. 1, it is a cross four-way pipe, and two pipes of substantially horizontal are respectively that the inner chamber of intake pipe 1, outlet pipe 10, two pipes is convergent 2 to gradually expanding shape 11, leaves tracheae and mouth 9 above outlet pipe; On the Vertical direction, following two pipes are respectively low-voltage driving pipes 5, high drive pipe 15, limit position part in the said high drive pipe is, termination funnel shape 14 intake pipes under it, limit position part in the said low-voltage driving pipe is, termination male end lid 7 thereon, its internal chamber wall forms positive stop lug boss 8, open the low-voltage driving mouth of pipe 6 in the side of convex end cap, the cylinder 4 of adjusting is arranged in the inner chamber of high pressure and low-voltage driving pipe, on shaft, have cross through hole 3, the position of cross through hole is when the adjusting cylinder goes upward to positive stop lug boss 8, and cross through hole is communicated with intake pipe and outlet pipe, and the cross through hole aperture is connected mutually with the convergent bore.For preventing to regulate cylinder self rotation when moving up and down, regulate cylinder and adopt the sunk key cooperating structure with inner tube wall, can on adjusting cylinder cylinder, have cannelure 12, be equipped with key 13 in the corresponding positions of inner tube wall.

Referring to Fig. 2, the method for the present invention 22 being linked directly connecting heat supply system without water tank for high-rise building is, the high drive pipe is received the front end of system's safety check 18, and intake pipe and outlet pipe are concatenated on the height district return piping 19 of system, and the low-voltage driving pipe is communicated with outlet pipe.The 21st, low district radiator.

When system moves, compression pump 17 is with 16 pressurizations of outdoor low district hot water, deliver to radiator 20 heat releases of high drive Guan Hegao of the present invention district successively, high-pressure water heating overcome adjustable column gravity with adjustable column jack-up to positive stop lug boss, cross through hole on the adjustable column is communicated with intake pipe and outlet pipe at this moment, the present invention is for opening state, high district backwater flow through intake pipe and outlet pipe, when backwater is flowed through the converging transition of tube chamber, for the backwater decompression, when backwater was flowed through gradually expanding section, flow velocity reduced, gas in the backwater is overflowed, and discharges from relief opening.

When compression pump is out of service, the pressure of high drive water pipe reduces, adjustable column is dropped rapidly to funnel shape 14 intake pipes under the self gravitation effect, through hole on the adjustable column and intake pipe and outlet pipe stagger, shaft is with intake pipe and outlet pipe blocking-up, and the static pressure that Jiang Gao district backwater and it produce cuts off automatically.

Claims

1. pressure breaking device is characterized in that: it is the cross four-way pipe, and two pipes of substantially horizontal are respectively intake pipe, outlet pipe; Upper and lower two pipes of Vertical direction are respectively low pressure, high drive pipe, in two tube cavities, adjustable column is arranged, on shaft, have cross through hole, when the position of cross through hole is a limit position part device in adjustable column goes upward to the low-voltage driving pipe, cross through hole is communicated with intake pipe and outlet pipe, and limit position part is also arranged in the high drive pipe.

2. according to the described pressure breaking device of claim 1, it is characterized in that: the intake pipe inner chamber is convergent shape, and the inner chamber of outlet pipe is gradually expanding shape, and the cross through hole aperture on the adjustable column is connected mutually with the convergent bore, leaves gas port above outlet pipe.

3. according to claim 1 or 2 described pressure breaking devices, it is characterized in that: adjustable column and inner tube wall adopt the sunk key cooperating structure.

4. according to the described pressure breaking device of claim 3, it is characterized in that: on the adjustable column cylinder, have cannelure, be equipped with key in the corresponding positions of inner tube wall.

5. according to claim 1 or 2 described pressure breaking devices, it is characterized in that: the limit position part in the said high drive pipe is, termination funnel shape intake pipe under it, limit position part in the said low-voltage driving pipe is, the termination male end is covered thereon, its internal chamber wall forms positive stop lug boss, opens the low-voltage driving mouth of pipe in the side of convex end cap.