CN209262687U - Boiler feedwater pipeline leakage protection system - Google Patents
Boiler feedwater pipeline leakage protection system Download PDFInfo
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- CN209262687U CN209262687U CN201822170104.3U CN201822170104U CN209262687U CN 209262687 U CN209262687 U CN 209262687U CN 201822170104 U CN201822170104 U CN 201822170104U CN 209262687 U CN209262687 U CN 209262687U
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- pipe
- fixedly connected
- water supplying
- tube
- solenoid valve
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Abstract
The utility model discloses a kind of boiler feedwater pipeline leakage protection systems, belong to boiler feedwater pipeline leak protection field, it includes control circuit, control circuit includes acquisition module, control module and processing module, acquisition module acquires water supply pipe flow value everywhere and output, control module controls corresponding first solenoid valve after receiving high level signal, second solenoid valve and third solenoid valve are opened, processing module receives the flow value of acquisition module output, processing module calculates the flow value received, judge outlet pipe, whether upper water supplying pipe or lower water supplying pipe leak, processing module exports high level signal to control module, when processing module judgement leaks, processing module stops the high level signal that corresponding leakage point is exported to control module, the utility model has whether can automatically detect water supply pipe The effect for leaking, and shutting off automatically to leakage point when leaking.
Description
Technical field
The utility model relates to the technical fields of boiler feedwater pipeline leak protection, more particularly, to a kind of boiler feed pipe
Road leakage protection system.
Background technique
The feed water system of boiler is the particularly important system of integrated mill at present, once water supply system breaks down direct shadow
The normal production run of Xiang Quan factory, or even it is also possible to cause personal injury accidents.Especially the feedwater piping explosion the case where
Under, production run personnel tend not to find failure in first time, can not be at the first time automatically by leakage blow-up point isolation.
As shown in Figure 1, the water supply pipe 1 of an existing feed water system of boiler, including water inlet pipe 11, it is fixedly connected on water inlet pipe
The tee tube 12 of 11 one end, the upper water supplying pipe 13 for being fixedly connected on 12 one end of tee tube and it is fixedly connected on 12 other end of tee tube
Lower water supplying pipe 14.
The prior art can refer to application notification number be CN106439176A Chinese invention patent, it discloses a kind of length away from
Device and method from the fast quick-closing valve of water supply line accident.The present invention is setting and hydraulic horse on a road Ge Zhi of hydraulic motor
The valve to link up to shaft, when two branches of fluid pressure line are all connected to, fluid pressure line total flow is larger at this time, and hydraulic motor is defeated
Revolving speed out is larger, and valve comparatively fast rotates, and realizes the purpose of rapid-closure damper.
Prior art among the above has the following deficiencies: once feedwater piping leaks, user can not first when
Between shut off to the leakage section of feedwater piping, feedwater piping leakage contribution expand, will ultimately result in pipe leakage explosion, to work
Factory, even staff can cause biggish harm.
Utility model content
The purpose of the utility model is to provide a kind of boiler feedwater pipeline leakage protection systems, can automatically detect water supplying pipe
Whether road leaks, and shuts off automatically to leakage point when leaking.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of water supply pipe is connected with control circuit, and control circuit includes:
Acquisition module, the acquisition module include the first flowmeter being fixedly connected on water inlet pipe, are fixedly connected on
Water supplying pipe close to tee tube one end second flowmeter, be fixedly connected on third flow of the lower water supplying pipe close to tee tube one end
It counts, be fixedly connected on fourth flowmeter of the water supplying pipe far from tee tube one end and be fixedly connected on lower water supplying pipe close to threeway
5th flowmeter of pipe one end, acquisition module acquire water supply pipe flow value everywhere and output；
Control module, the control module include the first solenoid valve being fixedly connected on water inlet pipe, are fixedly connected on
Second solenoid valve on water supplying pipe and the third solenoid valve being fixedly connected on lower water supplying pipe, control module are receiving high electricity
Corresponding first solenoid valve, second solenoid valve and third solenoid valve is controlled after ordinary mail number to open；
Processing module, the processing module connection acquisition module and control module and the flow for receiving acquisition module output
Value, processing module calculate the flow value received, judge whether outlet pipe, upper water supplying pipe or lower water supplying pipe are let out
Leakage, processing module export high level signal to control module, and when processing module judgement leaks, processing module stops to control
Molding block exports the high level signal of corresponding leakage point.
By using above scheme, when water supply pipe leaks, processing module can automatically control the first solenoid valve,
Second solenoid valve or third solenoid valve are closed, and so that the line segments of the water supply pipe leaked is shut off, user can pass through closing
First solenoid valve, second solenoid valve or third solenoid valve quickly search leakage point.
The utility model is further arranged to: the part of leakage is easy to happen in tee tube, upper water supplying pipe and lower water supplying pipe
It is set as reinforced pipe, reinforced pipe includes outermost outer tube and the inner sleeve that is fixedly connected in outer tube.
By using above scheme, outer tube can prevent water from flowing out when inner sleeve leaks, and outer tube damages
It will not influence inner sleeve normal use, improve the service life and safety of reinforced pipe.
The utility model is further arranged to: elastic tube, elastic tube packet are fixedly connected between outer tube and inner sleeve
Spiral flexible elastic strip is included, elastic strip is wound elastic tube.
By using above scheme, elastic tube can buffer the pressure and impact force that outer tube and inner sleeve generate, outside
When casing or inner sleeve are impacted, elastic tube relies on the resilient absorbent impact force of elastic strip, is wound around due to elastic strip, institute
Can generate deformation by a relatively large margin when by severe impact, the effect for absorbing impact force is good.
The utility model is further arranged to: the cross section of elastic strip is rectangle.
By using above scheme, elastic strip is after winding is resilient pipe almost without gap, good airproof performance.
The utility model is further arranged to: the flexible of waterproof is fixedly connected between outer tube and elastic tube
Outer hose is fixedly connected with the flexible inner flexible tube of waterproof between elastic tube and inner sleeve.
By using above scheme, outer hose and inner flexible tube can be broken by the toughness of itself in outer tube or inner sleeve
After damage, it can still play the role of sealing, while outer hose and inner flexible tube are because the flexibility of itself, can be such that elastic tube has
Bigger deformation space, improves the buffer capacity of elastic tube.
The utility model is further arranged to: drainpipe, drainpipe and housing are fixedly connected on each outer tube
Connection inside pipe.
By using above scheme, drainpipe can drain the water overstock in outer tube, to repair work of laying the groundwork.
The utility model is further arranged to: shut-off valve is fixedly connected on drainpipe.
By using above scheme, when water supply pipe leaks, user can be by the estimated pipe leaked of distance
Section nearest shut-off valve in road is opened, and whether observation drainpipe there are flowing out, and user is helped quickly to determine leakage point.
The utility model is further arranged to: water inlet pipe is fixedly connected with check valve.
By using above scheme, the water flow of water inlet pipe can be truncated by closing check valve in user, facilitate user couple
Tee tube, upper water supplying pipe and lower water supplying pipe overhaul, while check valve can prevent the water of water inlet pipe from flowing back.
The utility model is further arranged to: upper water supplying pipe is fixedly connected with high pressure valve, and lower water supplying pipe is fixedly connected with
Lower high pressure valve.
By using above scheme, upper high pressure valve and lower high pressure valve are for controlling water supplying pipe and the flow of lower water supplying pipe is big
It is small.
In conclusion the utility model has the following beneficial effects:
1. processing module can automatically control the first solenoid valve, second solenoid valve or when water supply pipe leaks
Three solenoid valves are closed, and the line segments of the water supply pipe leaked is made to shut off, and user can pass through the first solenoid valve of closing, second
Solenoid valve or third solenoid valve quickly search leakage point；
2. outer tube can prevent water from flowing out when inner sleeve leaks, and outer tube damage will not influence inner sleeve
Normal use improves the service life and safety of reinforced pipe；
3. elastic tube can buffer the pressure and impact force that outer tube and inner sleeve generate, outer tube or inner sleeve by
To when impact, elastic tube relies on the resilient absorbent impact force of elastic strip, is wound around due to elastic strip, so acutely being rushed
Deformation by a relatively large margin can be generated when hitting, the effect for absorbing impact force is good.
Detailed description of the invention
Fig. 1 is the schematic diagram of prominent water supply pipe in background technique；
Fig. 2 is the overall structure diagram of embodiment；
Fig. 3 is the cross-sectional view of prominent reinforced pipe internal structure in embodiment；
Fig. 4 is the explosive view of prominent reinforced pipe structure in embodiment；
Fig. 5 is the circuit diagram of prominent control circuit in embodiment.
In figure, 1, water supply pipe；11, water inlet pipe；12, tee tube；13, upper water supplying pipe；14, lower water supplying pipe；2, reinforced pipe；
21, outer tube；211, flange；212, drainpipe；2321, shut-off valve；213, check valve；214, upper high pressure valve；215, lower high pressure
Valve；22, outer hose；23, elastic tube；231, elastic strip；24, inner flexible tube；25, inner sleeve；3, acquisition module；31, first flow
Meter；32, second flowmeter；33, third flowmeter；34, the 4th flowmeter；35, the 5th flowmeter；4, processing module；41, monolithic
Machine；5, control module；51, the first solenoid valve；52, second solenoid valve；53, third solenoid valve.
Specific embodiment
Embodiment: a kind of boiler feedwater pipeline leakage protection system, as shown in Fig. 2, tee tube 12, upper water supplying pipe 13 and under
The part that leakage is easy to happen in water supplying pipe 14 is set as reinforced pipe 2.Water is flowed into from water inlet pipe 11, is flowed by tee tube 12
Water supplying pipe 13 and lower water supplying pipe 14 flow into boiler from upper water supplying pipe 13 and lower water supplying pipe 14 and carry out adding water.
As shown in Figure 3 and Figure 4, reinforced pipe 2 includes outermost outer tube 21, is fixedly connected in outer tube 21 outer soft
Pipe 22, outer hose 22 are made of the flexible material of the waterproofs such as asbestos.Elastic tube 23, elastic tube are fixedly connected in outer tube 21
23 include spiral elastic strip 231, and the cross section of elastic strip 231 is rectangle, and elastic strip 231 is wound elastic tube 23.Bullet
Property item 231 is made of the flexible material of the waterproofs such as rubber.Inner flexible tube 24, inner flexible tube are fixedly connected in elastic tube 23
24 are made of the flexible material of the waterproofs such as asbestos.Inner sleeve 25 is fixedly connected in inner flexible tube 24, water flows in inner sleeve 25
It is dynamic.Reinforced pipe 2 is multilayered structure, and outer tube 21 can prevent water from flowing out when inner sleeve 25 leaks, and outer tube 21 damages
It is bad to will not influence 25 normal use of inner sleeve.Elastic tube 23 can buffer the pressure and impact that outer tube 21 and inner sleeve 25 generate
Power, when outer tube 21 or inner sleeve 25 are impacted, elastic tube 23 relies on the resilient absorbent impact force of elastic strip 231.Due to
What elastic strip 231 was wound around, so deformation by a relatively large margin can be generated when by severe impact, absorb the effect of impact force
It is good.And the cross section of elastic strip 231 be rectangle so that elastic strip 231 after winding is resilient pipe 23 almost without gap, it is close
Envelope property is good.Outer hose 22 and inner flexible tube 24 can still can after 25 breakage of outer tube 21 or inner sleeve by the toughness of itself
Enough play the role of sealing.Outer hose 22 and inner flexible tube 24 can be such that elastic tube 23 has bigger because of the flexibility of itself simultaneously
Deformation space, improve elastic tube 23 buffer capacity.
As shown in Figure 2 and Figure 4, it is fixedly connected to flange 211 at each 21 both ends of outer tube, flange 211 is for reinforcing
Pipe 2 is connect with other pipelines.
As shown in Figures 2 and 3, drainpipe is fixedly connected at the position that each outer tube 21 is easy to happen leakage
212, it is connected to inside drainpipe 212 and outer tube 21, shut-off valve 2321 is fixedly connected on drainpipe 212.When water supply pipe 1
When leaking, user can be opened the nearest shut-off valve 2321 of the estimated duct section leaked of distance, observe drainpipe
Whether 212 there are flowing out, and user is helped quickly to determine leakage point.Drainpipe 212 can also arrange the water overstock in outer tube 21
Water, to repair work of laying the groundwork.
As shown in Fig. 2, being fixedly connected with check valve 213 close to 12 one end of tee tube in water inlet pipe 11, user can pass through
Check valve 213 is closed the water flow of water inlet pipe 11 is truncated, user is facilitated to do tee tube 12, upper water supplying pipe 13 and lower water supplying pipe 14
Maintenance, while check valve 213 can prevent the water of water inlet pipe 11 from flowing back.In upper water supplying pipe 13 far from the fixed company in 12 one end of tee tube
It is connected to high pressure valve 214, is fixedly connected with lower high pressure valve 215 far from 12 one end of tee tube in lower water supplying pipe 14.Upper high pressure valve 214
It is used to control the uninterrupted of upper water supplying pipe 13 and lower water supplying pipe 14 with lower high pressure valve 215.
As shown in Figure 2 and Figure 5, water supply pipe 1 is connected with control circuit, and control circuit includes acquisition module 3, processing module
4 and control module 5.Acquisition module 3 includes the first flowmeter 31 being fixedly connected on water inlet pipe 11, is fixedly connected on water supply
Pipe 13 close to 12 one end of tee tube second flowmeter 32, be fixedly connected on lower water supplying pipe 14 close to the third of 12 one end of tee tube
Flowmeter 33 is fixedly connected on fourth flowmeter 34 of the water supplying pipe 13 far from 12 one end of tee tube and is fixedly connected on lower confession
Fiveth flowmeter 35 of the water pipe 14 close to 12 one end of tee tube.Processing module 4 includes single-chip microcontroller 41, and single-chip microcontroller 41 is selected
AT89C51.Control module 5 includes the first solenoid valve 51 being fixedly connected on water inlet pipe 11, is fixedly connected on water supplying pipe 13
On second solenoid valve 52 and the third solenoid valve 53 that is fixedly connected on lower water supplying pipe 14.First solenoid valve 51 1 termination
Ground, 51 other end of the first solenoid valve are electrically connected with triode Q1, and the emitter of triode Q1 is electrically connected to the first solenoid valve 51, and three
The collector of pole pipe Q1 is electrically connected with resistance R1, and the resistance R1 other end is electrically connected with power supply VCC.The base stage of triode Q1 is electrically connected
In on single-chip microcontroller 41.52 one end of second solenoid valve ground connection, 52 other end of second solenoid valve are electrically connected with triode Q2, triode Q2
Emitter be electrically connected to second solenoid valve 52, the collector of triode Q2 is electrically connected with resistance R2, and the resistance R2 other end is electrically connected
It is connected to power supply VCC.The base stage of triode Q2 is electrically connected on single-chip microcontroller 41.53 one end of third solenoid valve ground connection, third solenoid valve
53 other ends are electrically connected with triode Q3, and the emitter of triode Q3 is electrically connected to third solenoid valve 53, the current collection of triode Q3
Pole is electrically connected with resistance R3, and the resistance R3 other end is electrically connected with power supply VCC.The base stage of triode Q1 is electrically connected to single-chip microcontroller 41
On.
As shown in figure 5, first flowmeter 31, second flowmeter 32, third flowmeter 33, the 4th flowmeter 34 and the 5th
Flowmeter 35 is electrically connected on single-chip microcontroller 41.First flowmeter 31 acquires the flow and output stream magnitude L1 of water inlet pipe 11；The
Two flowmeters 32 acquire upper water supplying pipe 13 close to the flow and output stream magnitude L2 of 12 one end of tee tube；Third flowmeter 33 acquires
Flow and output stream magnitude L3 of the lower water supplying pipe 14 close to 12 one end of tee tube；It is separate that 4th flowmeter 34 acquires upper water supplying pipe 13
The flow and output stream magnitude L4 of 12 one end of tee tube；5th flowmeter 35 acquires lower water supplying pipe 14 far from 12 one end of tee tube
Flow and output stream magnitude L5.Single-chip microcontroller 41 receives flow value L1, flow value L2, flow value L3, flow value L4 and flow value L5
And it is calculated.Simultaneously to the base stage of triode Q1, the base stage of triode Q2 and triode Q3 under 41 original state of single-chip microcontroller
Base stage exports high level signal, leads triode Q1 and collector and emitter conducting, triode Q2 and collector and emitter
It passes to and triode Q3 and collector and emitter conducting, the first solenoid valve 51 of control, second solenoid valve 52 and third solenoid valve
53 open.When L1 × 0.95 is greater than L2+L3, single-chip microcontroller 41 stops to triode Q1 output signal, 51 power loss of the first solenoid valve
It closes, determines that outlet pipe leaks at this time, outlet pipe is ended.When L2 × 0.95 is greater than L4, single-chip microcontroller 41 stops
To triode Q2 output signal, 52 power loss of second solenoid valve is closed, and determines that upper water supplying pipe 13 leaks at this time, to upper water supplying pipe
13 are ended.When L3 × 0.95 is greater than L5, single-chip microcontroller 41 stops to triode Q3 output signal, 53 power loss of third solenoid valve
It closes, determines that lower water supplying pipe 14 leaks at this time, lower water supplying pipe 14 is ended.
Usage mode: when water supply pipe 1 leaks, single-chip microcontroller 41 can automatically control the first solenoid valve 51, second
Solenoid valve 52 or third solenoid valve 53 are closed, and so that the line segments of the water supply pipe leaked 1 is shut off, user can pass through closing
First solenoid valve 51, second solenoid valve 52 or third solenoid valve 53 quickly search leakage point.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of boiler feedwater pipeline leakage protection system, which is characterized in that water supply pipe (1) is connected with control circuit, control
Circuit includes:
Acquisition module (3), the acquisition module (3) include the first flowmeter (31) being fixedly connected on water inlet pipe (11), consolidate
Surely it is connected to the second flowmeter (32) of water supplying pipe (13) close tee tube (12) one end, is fixedly connected on lower water supplying pipe (14)
The third flowmeter (33) of close tee tube (12) one end is fixedly connected on water supplying pipe (13) far from tee tube (12) one end
4th flowmeter (34) and the 5th flowmeter (35) for being fixedly connected on lower water supplying pipe (14) close tee tube (12) one end, are adopted
Collect module (3) acquisition water supply pipe (1) flow value everywhere and output；
Control module (5), the control module (5) include the first solenoid valve (51) being fixedly connected on water inlet pipe (11), consolidate
Surely the second solenoid valve (52) being connected on water supplying pipe (13) and the third electromagnetism being fixedly connected on lower water supplying pipe (14)
Valve (53), control module (5) control corresponding first solenoid valve (51), second solenoid valve (52) after receiving high level signal
It is opened with third solenoid valve (53)；
Processing module (4), the processing module (4) connect acquisition module (3) and control module (5) and receive acquisition module
(3) flow value exported, processing module (4) calculates the flow value received, judge outlet pipe, upper water supplying pipe (13) or
Whether lower water supplying pipe (14) leaks, and processing module (4) exports high level signal to control module (5), when processing module (4)
When judgement leaks, processing module (4) stops the high level signal that corresponding leakage point is exported to control module (5).
2. boiler feedwater pipeline leakage protection system according to claim 1, it is characterised in that: tee tube (12), upper confession
The part that leakage is easy to happen in water pipe (13) and lower water supplying pipe (14) is set as reinforced pipe (2), and reinforced pipe (2) includes outermost layer
Outer tube (21) and the inner sleeve (25) that is fixedly connected in outer tube (21).
3. boiler feedwater pipeline leakage protection system according to claim 2, it is characterised in that: in outer tube (21) and interior
It being fixedly connected between casing (25) elastic tube (23), elastic tube (23) includes spiral flexible elastic strip (231),
Elastic strip (231) is wound elastic tube (23).
4. boiler feedwater pipeline leakage protection system according to claim 3, it is characterised in that: the cross of elastic strip (231)
Section is rectangle.
5. boiler feedwater pipeline leakage protection system according to claim 3, it is characterised in that: in outer tube (21) and bullet
The flexible outer hose (22) of waterproof is fixedly connected between property pipe (23), between elastic tube (23) and inner sleeve (25)
It is fixedly connected with the flexible inner flexible tube (24) of waterproof.
6. boiler feedwater pipeline leakage protection system according to claim 2, it is characterised in that: in each outer tube (21)
On be fixedly connected to drainpipe (212), be connected to inside drainpipe (212) and outer tube (21).
7. boiler feedwater pipeline leakage protection system according to claim 6, it is characterised in that: on drainpipe (212)
It is fixedly connected with shut-off valve (2321).
8. boiler feedwater pipeline leakage protection system according to claim 1, it is characterised in that: water inlet pipe (11) is fixed to be connected
It is connected to check valve (213).
9. boiler feedwater pipeline leakage protection system according to claim 1, it is characterised in that: upper water supplying pipe (13) are fixed
It is connected with high pressure valve (214), lower water supplying pipe (14) is fixedly connected with lower high pressure valve (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170104.3U CN209262687U (en) | 2018-12-21 | 2018-12-21 | Boiler feedwater pipeline leakage protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170104.3U CN209262687U (en) | 2018-12-21 | 2018-12-21 | Boiler feedwater pipeline leakage protection system |
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| Publication Number | Publication Date |
|---|---|
| CN209262687U true CN209262687U (en) | 2019-08-16 |
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ID=67560982
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822170104.3U Active CN209262687U (en) | 2018-12-21 | 2018-12-21 | Boiler feedwater pipeline leakage protection system |
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| CN (1) | CN209262687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279452A (en) * | 2021-05-24 | 2021-08-20 | 国网山东省电力公司五莲县供电公司 | Flow control water valve |
-
2018
- 2018-12-21 CN CN201822170104.3U patent/CN209262687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279452A (en) * | 2021-05-24 | 2021-08-20 | 国网山东省电力公司五莲县供电公司 | Flow control water valve |
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