CN106568075A - Safety control equipment for boiler - Google Patents
Safety control equipment for boiler Download PDFInfo
- Publication number
- CN106568075A CN106568075A CN201610910435.9A CN201610910435A CN106568075A CN 106568075 A CN106568075 A CN 106568075A CN 201610910435 A CN201610910435 A CN 201610910435A CN 106568075 A CN106568075 A CN 106568075A
- Authority
- CN
- China
- Prior art keywords
- valve
- boiler
- valve body
- spring
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/44—Applications, arrangements, or dispositions of alarm or automatic safety devices of safety valves
- F22B37/446—Safety devices responsive to overpressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Safety Valves (AREA)
Abstract
The invention provides safety control equipment for a boiler and belongs to the field of boiler safety control. The safety control equipment for the boiler comprises a controller, a temperature detector arranged on a hearth, an automatic regulating valve arranged on a boiler drum inlet pipe, a liquid level detector, a pressure detector, an emptying valve and a safety control valve, wherein the liquid level detector, the pressure detector, the emptying valve and the safety control valve are arranged on a boiler drum. The safety control valve comprises a valve body with a valve port and an exhaust port, a valve element abutting against the valve port, a valve rod arranged in an inner cavity of the valve body and connected with the valve element, a spring, a sliding rod and a limiting rod, wherein the valve rod is sleeved with the spring, the top end of the valve rod is sleeved with the sliding rod, and the limiting rod penetrates the side wall of the valve body and the sliding rod. The safety control equipment for the boiler has the beneficial effects that feedback control is timely, the safety performance of the safety valve is high, and jumping is sensitive.
Description
Technical field
The invention belongs to boiler safety control field, more particularly, to a kind of boiler safety adjusting device.
Background technology
Boiler is used a kind of common energy device in commercial production, in boiler operatiopn, the safety prison of boiler
Survey and control it is critical that.Often automatic detection and control system imperfection, feedback not in time in existing boiler, and its
Safety control measures are relatively weak, and especially as the boiler safety valve of boiler important component, relief valve is used to control pressure
Power is less than setting value, can run important protective effect to personal safety and equipment.Common relief valve has Weight type and bullet
The various structures such as spring formula, can according to setting pressure value be adjusted automatically, but existing relief valve often exist complex structure,
Take-off is ineffective, artificial maintenance is inconvenient, operator easily cause the problems such as touching by mistake when carrying out other associative operations.
The content of the invention
In view of this, the invention is directed to a kind of boiler safety adjusting device, to solve safety in prior art
Monitoring system imperfection, feedback regulation are not in time, safety valve structure is complicated, take-off is ineffective, artificial maintenance is inconvenient, easily touch by mistake
The problems such as.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of boiler safety adjusting device, including controller, the temperature detector being arranged on burner hearth, it is arranged on boiler vapour
Automatic regulating valve, the liquid level detector being arranged on boiler-steam dome, pressure detector, atmospheric valve and safety on bag water inlet pipe is adjusted
Section valve, the signal of telecommunication is connected to the controller respectively for the temperature detector, the liquid level detector and the pressure detector
Respective input, the automatic regulating valve and the atmospheric valve are connected to the corresponding output end of the controller；
The safety regulating valve includes valve body；The body base offers valve port, and the body wall offers steam discharge
Mouthful, the body cavity is located at vertical direction on the steam drain and is provided with about two postive stop baffles be arrangeding in parallel；Institute
State body cavity and be provided with valve rod, the valve stem tip passes through upper strata postive stop baffle；Lower floor's postive stop baffle is passed through below the valve rod,
The valve rod bottom is installed with valve element, and the valve element bottom surface is connected on the valve port；Spring is arranged with the valve rod, it is described
Spring retainer button is fixedly provided with valve rod, the bottom of the spring is buckled with the spring retainer and is connected；The spring and the bullet
Spring limit buckle is located between two postive stop baffles, and the top of the spring is connected to the following table of the postive stop baffle above
Face；A slide bar is provided with above the valve rod, slip cavity inside the slide bar, is provided with, the top of the valve rod is sheathed on described
It is adapted in slip cavity and with the slip cavity；Top board of the top end of sliding rod through the valve body；On the valve body also
A gag lever post is provided with, the shaft of the gag lever post is in the horizontal direction through the side wall and the slide bar of the valve body, the limit
The head of position bar is fitted on the outer surface of the body wall.
Further, the valve element is provided with resistant to elevated temperatures sealing gasket with the position that the valve port contacts.
Further, the position that the head of the gag lever post is contacted with the valve body is provided with sealing gasket.
Further, the valve element is threadably secured with the valve rod and is connected.
Further, the shaft of the gag lever post is provided with external screw thread, and the body wall is passed through in the gag lever post
Position offers the female thread being adapted with the external screw thread.
Further, the top end of sliding rod is provided with handle.
Further, the controller adopts programmable control unit.
Relative to prior art, a kind of boiler safety adjusting device described in the invention has the advantage that：
The invention security monitoring means are perfect, feedback regulation timely, gather related data in boiler by controller,
And real-time regulation is carried out to which, automatic regulating valve can timely supplement water level, and atmospheric valve can be in boiler-steam dome pressure anomaly
Quick timely pressure release is carried out during increase, it is to avoid security incident occurs；The simple structure of relief valve, take-off are sensitive, slide bar and valve
The design of bar conveniently can be realized manually bleeding off pressure and overhauling, while gag lever post passes through the design of body wall and slide bar, by slide bar
Be fixed on a position, effectively prevent touch by mistake slide bar cause valve rod valve element shift, affect boiler normal operation situation send out
It is raw, it is safe.
Description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not constitute the improper restriction to the invention for explaining the invention.
In accompanying drawing：
Structural representations of the Fig. 1 for the invention；
Fig. 2 is the schematic diagram of the safety regulating valve described in the invention.
Description of reference numerals：
1- burner hearths；2- temperature detectors；3- boiler-steam domes；4- automatic regulating valves；5- liquid level detectors；6- pressure detectings
Device；7- atmospheric valves；8- safety regulating valves；9- valve bodies；10- valve ports；11- steam drains；12- postive stop baffles；13- valve rods；14- valves
Core；15- springs；16- spring retainer buttons；17- slide bars；18- gag lever posts；19- shafts；20- heads；21- handles.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than indicate
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the invention.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the invention in detail.
A kind of boiler safety adjusting device, as shown in figure 1, including Programmable Logic Controller, the temperature being arranged on burner hearth 1 inspection
Survey device 2, the automatic regulating valve 4 being arranged on 3 water inlet pipe of boiler-steam dome, the liquid level detector 5 being arranged on boiler-steam dome 3, pressure
Force detector 6, atmospheric valve 7 and safety regulating valve 8；Temperature detector 2, the liquid level detector 5 and pressure detector 6 difference signal of telecommunication
It is connected to the respective input of controller, automatic regulating valve 4 and atmospheric valve 7 are connected to the corresponding output end of controller；
As shown in Fig. 2 safety regulating valve 8 includes valve body 9；9 bottom of valve body offers valve port 10, and 9 side wall of valve body is offered
Steam drain 11,9 inner chamber of valve body are located at vertical direction on steam drain 11 and are provided with about two postive stop baffles 12 be arrangeding in parallel；
9 inner chamber of valve body is provided with valve rod 13, and 13 upper and lower ends of valve rod are each passed through bilevel postive stop baffle 12；13 bottom of valve rod passes through
Screw thread is installed with valve element 14, and 14 bottom surface of valve element is connected on valve port 10, and valve element 14 is provided with resistance to height with the position that valve port 10 contacts
The sealing gasket of temperature；Spring 15 is arranged with valve rod 13, spring retainer button 16, the bottom of spring 15 and bullet on valve rod 13, is fixedly provided with
Spring limit buckle 16 connects；Spring 15 and spring retainer are buckled 16 and are located between two postive stop baffles 12, and the top of spring 15 is connected to
The lower surface of postive stop baffle 12 above；The top of valve rod 13 is provided with a slide bar 17, and slip cavity is provided with inside slide bar 17,
The top of valve rod 13 is sheathed in the slip cavity of slide bar 17 and is adapted with slip cavity；17 top of slide bar is through valve body 9
Top board is simultaneously connected with handle 21；A gag lever post 18 is additionally provided with valve body 9, the shaft 19 of gag lever post 18 passes through valve in the horizontal direction
The side wall and slide bar 17 of body 9, the shaft 19 of gag lever post 18 are provided with external screw thread, the position that 9 side wall of valve body is passed through in gag lever post 18
Offer the female thread being adapted with external screw thread；The head 20 of gag lever post 18 is fitted on the outer surface of 9 side wall of valve body, gag lever post
The position that 18 head 20 is contacted with valve body 9 is provided with sealing gasket.
The specific work process of the present embodiment is as follows：
Temperature detector 2, liquid level detector 5 and pressure detector 6 are by the signal transmission for collecting to controller, controller
Program according to editting in advance is monitored to related data, when finding that liquid level is too low, issues order to automatic regulating valve 4
To control liquid level, atmospheric valve 7 can be controlled when internal pressure increases rapidly extremely carries out quick timely pressure release, it is to avoid occur
Security incident；
In boiler running process, safety regulating valve 8 can be voluntarily adjusted to cavity pressure, when the pressure of valve port 10 reaches
During certain value, valve element 14 can be caused to be moved with ovable valve stem 13 upwards, due to the position-limiting action of spring 15 on valve rod 13, only be reached
During certain pressure value, valve element 14 can overcome the position-limiting action of spring 15 to move upwards with ovable valve stem 13, and valve rod 13 can be
Slide axially in the slip cavity of slide bar 17, when valve rod 13 and valve element 14 are moved upwards, valve port 10 and steam drain 11 are connected, can be with
The pressure of intracavity is adjusted；
Gag lever post 18 passes through 9 side wall of valve body and slide bar 17, slide bar 17 is fixed on a position, be effectively prevent
Bar 17 causes valve rod 13 and valve element 14 to shift, and is that the normal operation of boiler increased one safety guarantee；When maintenance is needed, only
Need to pull out gag lever post 18, pull slide bar 17 see valve rod 13 and valve element 14 axially can proper motion, whether there is blocking, move not
The phenomenon such as smooth occurs；When needing fast hand-operated unwinding to press, it is also possible to pull out gag lever post 18, manual pull-up slide bar 17 is realized fast
Fast steam discharge voltage regulation result.
The preferred embodiment of the invention is the foregoing is only, it is not to limit the invention, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (7)
1. a kind of boiler safety adjusting device, including controller, the temperature detector (2) being arranged on burner hearth (1), pot is arranged on
Automatic regulating valve (4), the liquid level detector (5) being arranged on boiler-steam dome (2) on stove drum (3) water inlet pipe, pressure detecting
Device (6), atmospheric valve (7) and safety regulating valve (8), it is characterised in that：The temperature detector (2), the liquid level detector (5)
And the pressure detector (6) signal of telecommunication is connected to the respective input of the controller respectively, the automatic regulating valve (4) and
The atmospheric valve (7) is connected to the corresponding output end of the controller；
The safety regulating valve (8) is including valve body (9)；Valve body (9) bottom offers valve port (10), valve body (9) side
Wall offers steam drain (11), and valve body (9) inner chamber is provided with about two on the steam drain (11) and be arranged in parallel
Postive stop baffle (12)；Valve rod (13) is provided with the valve body (9), valve rod (13) top passes through upper strata postive stop baffle；It is described
Lower floor's postive stop baffle is passed through below valve rod (13), valve rod (13) bottom is installed with valve element (14), valve element (14) bottom surface
It is connected on the valve port (10)；Spring (15) is arranged with the valve rod (13), on the valve rod (13), spring is fixedly provided with
Limit buckle (16), the bottom of the spring (15) are buckled (16) and are connected with the spring retainer；The spring (15) and the spring
Between two postive stop baffles (12), the top of the spring (15) is connected to above described limit buckle (16)
The lower surface of postive stop baffle (12)；A slide bar (17) is provided with above the valve rod (13), inside the slide bar (17), cunning is provided with
Dynamic cavity, the top of the valve rod (13) are sheathed in the slip cavity and are adapted with the slip cavity；The slide bar
(17) top board of the top through the valve body (9)；The upper end of the valve body (9) is additionally provided with a gag lever post (18), the gag lever post
(18) shaft (19) sequentially passes through the upper end of the side wall and the slide bar (17) of the valve body (9) in the horizontal direction, described
The head (20) of gag lever post (18) is fitted on the outer surface of the valve body (9) side wall.
2. a kind of boiler safety adjusting device according to claim 1, it is characterised in that：The valve element (14) and the valve
The position that mouth (10) contacts is provided with resistant to elevated temperatures sealing gasket.
3. a kind of boiler safety adjusting device according to claim 2, it is characterised in that：The head of the gag lever post (18)
(20) position contacted with the valve body (9) is provided with sealing gasket.
4. a kind of boiler safety adjusting device according to claim 3, it is characterised in that：The valve element (14) and the valve
Bar (13) is threadably secured connection.
5. a kind of boiler safety adjusting device according to any one of claim 1 to 4, it is characterised in that：The gag lever post
(18) shaft (19) is provided with external screw thread, valve body (9) the side wall the position that the gag lever post (18) is passed through offer with
The female thread that the external screw thread is adapted.
6. a kind of boiler safety adjusting device according to claim 1, it is characterised in that：Slide bar (17) top is provided with
Handle (21).
7. a kind of boiler safety adjusting device according to claim 1, it is characterised in that：The controller is using programmable
Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910435.9A CN106568075A (en) | 2016-10-18 | 2016-10-18 | Safety control equipment for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910435.9A CN106568075A (en) | 2016-10-18 | 2016-10-18 | Safety control equipment for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568075A true CN106568075A (en) | 2017-04-19 |
Family
ID=58533687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610910435.9A Pending CN106568075A (en) | 2016-10-18 | 2016-10-18 | Safety control equipment for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568075A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687525A (en) * | 2017-09-28 | 2018-02-13 | 枣庄九电子科技有限公司 | A kind of New-type safety valve |
| CN112664921A (en) * | 2020-12-01 | 2021-04-16 | 华电电力科学研究院有限公司 | Boiler hearth pressure thermal control regulator for power plant and use method thereof |
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|---|---|---|---|---|
| CN202402735U (en) * | 2012-01-05 | 2012-08-29 | 成都八达高安全特种阀业有限公司 | Safety valve convenient to overhaul |
| CN202927234U (en) * | 2012-10-10 | 2013-05-08 | 成都掌握移动信息技术有限公司 | Safety valve with pressure alarm |
| CN203176523U (en) * | 2013-01-28 | 2013-09-04 | 苏州宇东暖通技术有限公司 | Valve with stop pin |
| CN204922119U (en) * | 2015-09-17 | 2015-12-30 | 东台市远洋船舶配件有限公司 | Safety valve |
| CN105402480A (en) * | 2015-12-08 | 2016-03-16 | 中国西电电气股份有限公司 | Pressure relief valve |
| CN206160089U (en) * | 2016-10-18 | 2017-05-10 | 天津市华诺盛源科技有限公司 | Industrial boiler safety control |
-
2016
- 2016-10-18 CN CN201610910435.9A patent/CN106568075A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202402735U (en) * | 2012-01-05 | 2012-08-29 | 成都八达高安全特种阀业有限公司 | Safety valve convenient to overhaul |
| CN202927234U (en) * | 2012-10-10 | 2013-05-08 | 成都掌握移动信息技术有限公司 | Safety valve with pressure alarm |
| CN203176523U (en) * | 2013-01-28 | 2013-09-04 | 苏州宇东暖通技术有限公司 | Valve with stop pin |
| CN204922119U (en) * | 2015-09-17 | 2015-12-30 | 东台市远洋船舶配件有限公司 | Safety valve |
| CN105402480A (en) * | 2015-12-08 | 2016-03-16 | 中国西电电气股份有限公司 | Pressure relief valve |
| CN206160089U (en) * | 2016-10-18 | 2017-05-10 | 天津市华诺盛源科技有限公司 | Industrial boiler safety control |
Non-Patent Citations (1)
| Title |
|---|
| 叶江明: "《电厂锅炉原理及设备》", 31 August 2007 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687525A (en) * | 2017-09-28 | 2018-02-13 | 枣庄九电子科技有限公司 | A kind of New-type safety valve |
| CN112664921A (en) * | 2020-12-01 | 2021-04-16 | 华电电力科学研究院有限公司 | Boiler hearth pressure thermal control regulator for power plant and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |