CN107940436A - A kind of boiler liquid level meter flushing water pipeline - Google Patents

A kind of boiler liquid level meter flushing water pipeline Download PDF

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Publication number
CN107940436A
CN107940436A CN201711104766.4A CN201711104766A CN107940436A CN 107940436 A CN107940436 A CN 107940436A CN 201711104766 A CN201711104766 A CN 201711104766A CN 107940436 A CN107940436 A CN 107940436A
Authority
CN
China
Prior art keywords
blocking
pipe
connector
flush pipe
liquid level
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.)
Withdrawn
Application number
CN201711104766.4A
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Chinese (zh)
Inventor
李敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu City Tong Zhan Food Co Ltd
Original Assignee
Chengdu City Tong Zhan Food Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu City Tong Zhan Food Co Ltd filed Critical Chengdu City Tong Zhan Food Co Ltd
Priority to CN201711104766.4A priority Critical patent/CN107940436A/en
Publication of CN107940436A publication Critical patent/CN107940436A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/075—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends specially adapted for spigot-and-socket joints for pipes of the same diameter
    • 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
    • F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/50—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers for draining or expelling water

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses a kind of boiler liquid level meter flushing water pipeline, including flush pipe, further includes blow-off pipe, is provided with the blow-off pipe and draws connector；Further include blocking；The blocking is in circular cone shape, and outside diameter of the blocking close to one end of the flush pipe port of export is less than the openend outside diameter for drawing connector, and the outside diameter of the one end of blocking away from the flush pipe port of export is more than the openend outside diameter for drawing connector, and both blocking and flush pipe opposite can slide；The gland for providing pressure to blocking is further included, the pressure is acted on blocking, and the direction of the pressure is used for realization so that blocking insertion is drawn in connector, and the size of the pressure is adjustable.This flowing line may be such that boiler erection at food processing region, and liquid level gauge flushing is small without influencing or influencing on the humidity in food processing region, while this pipeline, in cold conditions, hot constantly handoff procedure, the thermal stress that pipeline is born is small.

Description

A kind of boiler liquid level meter flushing water pipeline
Technical field
The present invention relates to boiler tubing technical field, more particularly to a kind of boiler liquid level meter flushing water pipeline.
Background technology
In food-processing industry, steam participates in the boiling of food, drying etc. as important heat source.Boiler is as steam Source, boiler needs stringent carry out indices monitoring in the process of running, and the liquid level gauge on drum is important finger Mark monitoring device.
In the prior art, glass plate type leveler is the important liquid level gauge form applied on boiler drum.It is further excellent Change the structure design of boiler system, so that it will not only cause food processing space because of installation site in use It is affected, while it can be run reliably and with long-term, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
For the structure design of further optimization boiler system set forth above, so that it is in use not only not Because of installation site food processing space can be caused to be affected, while it can be run reliably and with long-term, be art technology The problem of personnel's technical problem urgently to be resolved hurrily, the present invention provides a kind of boiler liquid level meter flushing water pipeline, this drainpipe Line may be such that boiler erection at food processing region, and liquid level gauge is rinsed on the humidity in food processing region without influence or influence It is small, while this pipeline, in cold conditions, hot constantly handoff procedure, the thermal stress that pipeline is born is small.
A kind of boiler liquid level meter flushing water pipeline provided by the invention is solved the problems, such as by following technical essential：A kind of pot Stove liquid level gauge flushing water pipeline, including the flush pipe for being connected with flushing hole on liquid level gauge, further include blow-off pipe, the blowdown It is provided with the arrival end of pipe and draws connector, the connector that draws is cylindrical in shape, and is drawn one end of connector and be connected with the arrival end of blow-off pipe；
The blocking being nested on the flush pipe port of export is further included, the port of export outside diameter of the flush pipe, which is less than, draws connector opening The inside of connector or the inside of blow-off pipe are drawn in the internal diameter at end, the port of export insertion of flush pipe；
The blocking is in circular cone shape, and outside diameter of the blocking close to one end of the flush pipe port of export is less than the openend for drawing connector Outside diameter, the outside diameter of the one end of blocking away from the flush pipe port of export are more than the openend outside diameter for drawing connector, and blocking and flush pipe two Person opposite can slide；
The gland for providing pressure to blocking is further included, the pressure is acted on blocking, and the direction of the pressure It is used for realization so that blocking insertion is drawn in connector, the size of the pressure is adjustable.
In the prior art, drum body passes through upper pressure guiding pipe and lower impulse as steam generation position in boiler, liquid level gauge Pipe is connected with drum body, while link position of the upper pressure guiding pipe on drum body is located at the top of liquid level in drum body, Link position of the lower pressure guiding pipe on drum body is located at the lower section of liquid level in drum body, in this way, the liquid level in liquid level gauge with The liquid level of stove water is located in same level in drum body, reaches by observing liquid level on liquid level gauge, reflects in drum body The purpose of liquid level.
However, existing liquid level gauge is rinsed, it is necessary to be spaced when in use, and when boiler is in food processing region in itself When, the humidity in food processing region is influenced whether by the steam discharged in liquid level gauge, therefore use in the present solution, designing the blow-off pipe Food processing region is drawn in the steam that will be discharged when liquid level gauge rinses, influences production to avoid the steam discharged in liquid level gauge Environment, beneficial to the quality of food processing.In the present solution, due to needing to rinse into between-line spacing to liquid level gauge, therefore flush pipe, blow-off pipe As flow of media pipeline, its in whole work process in cold conditions alternately and hot, therefore by being arranged to blow-off pipe On be provided with and draw connector, it is cold in flush pipe, blow-off pipe heat expansion by way of connector or blow-off pipe are drawn in the insertion of the flush pipe port of export In compression process, thermal stress changes flush pipe insertion blow-off pipe or draws the mode of tab depth, to achieve the purpose that to discharge thermal stress. Further, the setting of the blocking is further included, while is arranged to both blocking and flush pipe and opposite can slide, in this way, rushing , can be real by the way that by blocking, close to one end of the flush pipe port of export, insertion is drawn in connector when washing pipe and blow-off pipe or drawing connector assembling Show flush pipe and draw the axial seal between connector, that is, reach and avoid steam in liquid level gauge flushing process from entering food processing environment Purpose.In the present solution, further include the gland, the gland by the way that to pressure is applied on blocking, pressure above size is adjustable, So that the pressure suffered by blocking enables to draw the only a small amount of leakage of joint steam or No leakage, while cause blocking not It can seriously affect in flush pipe insertion blow-off pipe or draw in connector to adapt to the deformation of pipeline.
Further technical solution is：
As those skilled in the art, to cause blocking that there is reliable sealability, being preferably arranged to blocking has bullet Property or plasticity it is strong, such as using rubber stopper, graphite plug, can pass through flush pipe port of export outer wall and blowdown inside pipe wall as one kind Mutually constraint, reduces stress in the blocking course of work, so that blocking can keep the scheme of good seal performance for a long time, it is described The port of export of flush pipe is embedded in blow-off pipe through after drawing connector.In the present solution, flush pipe can be used with blow-off pipe phase separation Continuous action, can also use and be realized in flushing process in flush pipe or blow-off pipe vibration processes.
As the specific implementation form of gland, the gland is the nut being threadedly connected in flush pipe, and the nut Go out the side of head end away from flush pipe positioned at blocking.In the present solution, pass through rotary nut so that the end face of nut is the end of blocking The mode that face provides pressure realizes that pressure above size is adjustable.
Since liquid level gauge is generally vacantly set, to cause standpipe section, drawing connector, flush pipe, blocking in the course of work Middle interaction force is as small as possible, and the axis direction of the flush pipe is located at vertical direction；
Blow-off pipe includes being used for the standpipe section to connect with flush pipe, draws the end that connector is installed on standpipe section, standpipe section, draw Connector, the axis collinear of flush pipe three.
As another way of realization of gland, the gland is in lid, and the bottom of gland is provided with through hole, gland Bottom is located at the side that blocking goes out head end away from flush pipe, and the openend direction of gland draws connector；
The through hole and flush pipe clearance fit, the side of gland is provided with internal thread, draws the outside of connector openend also It is provided with and the matched external screw thread of the internal thread.In the present solution, completing after gland is connected with drawing joint screw thread, gland connects with drawing Both form rigid body to head, in this way, mutually being constrained by through hole hole wall with rinsing pipe outer wall, blocking when can optimize this pipeline vibration Stress, achieve the purpose that extend blocking service life.
Itself is smooth as a kind of, and the good blocking scheme of plasticity, the blocking is graphite annulus.
The invention has the advantages that：
It is used to the steam discharged when liquid level gauge rinses drawing Food production area in the present solution, designing the blow-off pipe Domain, influences production environment, beneficial to the quality of food processing to avoid the steam discharged in liquid level gauge.In the present solution, due to liquid Position meter needs to rinse into between-line spacing, therefore flush pipe, blow-off pipe, as flow of media pipeline, it is in whole work process in friendship For the cold conditions of property and hot, therefore draw connector by being arranged to be provided with blow-off pipe, connector is drawn by the insertion of the flush pipe port of export Or the mode of blow-off pipe, in flush pipe, blow-off pipe process of expansion and contraction, thermal stress, which changes flush pipe insertion blow-off pipe or draws, to be connect The mode of head depth, to achieve the purpose that to discharge thermal stress.Further, the setting of the blocking is further included, is arranged at the same time Both blocking and flush pipe opposite can slide, in this way, in flush pipe and blow-off pipe or when drawing connector assembling, by the way that blocking is close One end insertion of the flush pipe port of export is drawn in connector, it can be achieved that flush pipe and draw the axial seal between connector, that is, is reached and avoided Steam enters the purpose of food processing environment in liquid level gauge flushing process.In the present solution, further including the gland, the gland leads to Cross to pressure is applied on blocking, pressure above size is adjustable, so that the pressure suffered by blocking enables to draw joint water The only a small amount of leakage of vapour or No leakage, at the same cause blocking will not seriously affect in flush pipe insertion blow-off pipe or draw in connector with Adapt to the deformation of pipeline.
Brief description of the drawings
Fig. 1 is a kind of structural representation of one specific implementation example of boiler liquid level meter flushing water pipeline of the present invention Figure；
Fig. 2 is in a kind of one specific embodiment of boiler liquid level meter flushing water pipeline of the present invention, reflection flush pipe, Blow-off pipe, gland and the structure diagram for drawing connector three's connection relation.
Reference numeral in figure is followed successively by：1st, drum body, 2, upper pressure guiding pipe, 3, liquid level gauge, 4, lower pressure guiding pipe, 5, rinse Pipe, 6, blow-off pipe, 7, draw connector, 8, blocking, 9, gland.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following Embodiment.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of boiler liquid level meter flushing water pipeline, including for being connected with flushing hole on liquid level gauge 3 Flush pipe 5, further include blow-off pipe 6, be provided with the arrival end of the blow-off pipe 6 and draw connector 7, the connector 7 that draws is cylindrical in shape, And the one end for drawing connector 7 is connected with the arrival end of blow-off pipe 6；
The blocking 8 being nested on 5 port of export of flush pipe is further included, the port of export outside diameter of the flush pipe 5, which is less than, draws connector 7 The inside of connector 7 or the inside of blow-off pipe 6 are drawn in the internal diameter of openend, the port of export insertion of flush pipe 5；
The blocking 8 is in circular cone shape, and outside diameter of the blocking 8 close to one end of 5 port of export of flush pipe, which is less than, draws opening for connector 7 Mouthful end outside diameter, the outside diameter of the one end of blocking 8 away from 5 port of export of flush pipe are more than the openend outside diameter for drawing connector 7, and blocking 8 with Both flush pipes 5 opposite can be slided；
The gland 9 for providing pressure to blocking 8 is further included, the pressure is acted on blocking 8, and the side of the pressure To being used for realization so that the insertion of blocking 8 is drawn in connector 7, the size of the pressure is adjustable.
In the prior art, drum body 1 is drawn as steam generation position in boiler, liquid level gauge 3 by upper pressure guiding pipe 2 with Pressure pipe 4 is connected with drum body 1, while link position of the upper pressure guiding pipe 2 on drum body 1 is located at liquid level in drum body 1 Top, link position of the lower pressure guiding pipe 4 on drum body 1 is located at the lower section of liquid level in drum body 1, in this way, liquid level gauge 3 In liquid level and drum body 1 in the liquid level of stove water be located in same level, reach by observing liquid level on liquid level gauge 3, instead Reflect the purpose of liquid level in drum body 1.
However, existing liquid level gauge 3 is rinsed, it is necessary to be spaced when in use, and when boiler is in Food production area in itself During domain, the humidity in food processing region is influenced whether by the steam discharged in liquid level gauge 3, therefore in the present solution, design the blowdown Pipe 6 is used to the steam discharged when liquid level gauge 3 rinses drawing food processing region, to avoid the steam discharged in liquid level gauge 3 Production environment is influenced, beneficial to the quality of food processing.In the present solution, due to needing to rinse into between-line spacing to liquid level gauge 3, therefore rinse Pipe 5, blow-off pipe 6 are used as flow of media pipeline, its in whole work process in cold conditions alternately and hot, therefore by setting It is set to be provided with blow-off pipe 6 and draws connector 7, by way of connector 7 or blow-off pipe 6 are drawn in the insertion of 5 port of export of flush pipe, is rinsing In pipe 5,6 process of expansion and contraction of blow-off pipe, thermal stress changes flush pipe 5 and is embedded in blow-off pipe 6 or draws the mode of 7 depth of connector, comes Achieve the purpose that to discharge thermal stress.Further, the setting of the blocking 8 is further included, while is arranged to blocking 8 and flush pipe 5 Both opposite can slide, in this way, in flush pipe 5 and blow-off pipe 6 or when drawing connector 7 and assembling, by by blocking 8 close to flush pipe 5 One end insertion of the port of export is drawn in connector 7, it can be achieved that flush pipe 5 and draw the axial seal between connector 7, that is, is reached and avoided liquid level Count the purpose that steam in 3 flushing processes enters food processing environment.In the present solution, further including the gland 9, the gland 9 is logical Cross to pressure is applied on blocking 8, pressure above size is adjustable, so that the pressure suffered by blocking 8 enables to draw at connector 7 The only a small amount of leakage of steam or No leakage, while cause blocking 8 will not be seriously affected in the insertion blow-off pipe 6 of flush pipe 5 or drawn to connect To adapt to the deformation of pipeline in first 7.
Embodiment 2：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1：As people in the art Member, will cause blocking 8 to have reliable sealability, and being preferably arranged to blocking 8 has elasticity or plasticity strong, such as uses rubber Plug, graphite plug etc., can mutually be constrained as one kind by 5 port of export outer wall of flush pipe with 6 inner wall of blow-off pipe, reduce 8 work of blocking Stress during work, so that blocking 8 can keep the scheme of good seal performance for a long time, the port of export of the flush pipe 5 is worn Cross after drawing connector 7 and be embedded in blow-off pipe 6.In the present solution, flush pipe 5 can use continuous action with 6 phase separation of blow-off pipe, also may be used Using being realized in 6 vibration processes of the flush pipe 5 in flushing process or blow-off pipe.
As the specific implementation form of gland 9, the gland 9 is to be threadedly connected to nut in flush pipe 5, and the spiral shell Cap is located at the side that blocking 8 goes out head end away from flush pipe 5.In the present solution, pass through rotary nut so that the end face of nut is blocking The mode that 8 end face provides pressure realizes that pressure above size is adjustable.
Due to the general hanging setting of liquid level gauge 3, working to cause standpipe section, drawing connector 7, flush pipe 5, blocking 8 four During interaction force it is as small as possible, the axis direction of the flush pipe 5 is located at vertical direction；
Blow-off pipe 6 includes being used for the standpipe section to connect with flush pipe 5, draws the end that connector 7 is installed on standpipe section, standpipe Section, draw connector 7, the axis collinear of 5 three of flush pipe.
As another way of realization of gland 9, the gland 9 is in lid, and the bottom of gland 9 is provided with through hole, pressure The bottom of lid 9 is located at the side that blocking 8 goes out head end away from flush pipe 5, and the openend direction of gland 9 draws connector 7；
The through hole and 5 clearance fit of flush pipe, the side of gland 9 is provided with internal thread, draws the outside of 7 openend of connector It is additionally provided with and the matched external screw thread of the internal thread.In the present solution, complete after gland 9 is threadedly coupled with drawing connector 7, gland 9 Both form rigid body with drawing connector 7, in this way, mutually being constrained by through hole hole wall and 5 outer wall of flush pipe, can optimize this pipeline and shake The stress of blocking 8 when dynamic, achievees the purpose that to extend 8 service life of blocking.
Itself is smooth as a kind of, and good 8 scheme of blocking of plasticity, the blocking 8 is graphite annulus.
Above content is to combine the further description that specific preferred embodiment makees the present invention, it is impossible to assert this The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention, The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.

Claims (6)

1. a kind of boiler liquid level meter flushing water pipeline, it is characterised in that including for being rushed with what flushing hole on liquid level gauge (3) was connected Pipe (5) is washed, blow-off pipe (6) is further included, is provided with the arrival end of the blow-off pipe (6) and draws connector (7), it is described to draw connector (7) It is cylindrical in shape, and the one end for drawing connector (7) is connected with the arrival end of blow-off pipe (6)；
The blocking (8) being nested on flush pipe (5) port of export is further included, the port of export outside diameter of the flush pipe (5), which is less than to draw, to be connect The inside of connector (7) or the inside of blow-off pipe (6) are drawn in the internal diameter of head (7) openend, the port of export insertion of flush pipe (5)；
The blocking (8) is in circular cone shape, and outside diameter of the blocking (8) close to one end of flush pipe (5) port of export, which is less than, draws connector (7) Openend outside diameter, the outside diameter of the one end of blocking (8) away from flush pipe (5) port of export, which is more than, draws the openend outside diameter of connector (7), And both blocking (8) and flush pipe (5) opposite can slide；
The gland (9) for providing pressure to blocking (8) is further included, the pressure is acted on blocking (8), and the pressure Direction is used for realization so that blocking (8) insertion is drawn in connector (7), and the size of the pressure is adjustable.
2. a kind of boiler liquid level meter flushing water pipeline according to claim 1, it is characterised in that the flush pipe (5) The port of export is embedded in blow-off pipe (6) through after drawing connector (7).
3. a kind of boiler liquid level meter flushing water pipeline according to claim 1, it is characterised in that the gland (9) is spiral shell Line is connected to the nut in flush pipe (5), and the nut is located at the side that blocking (8) goes out head end away from flush pipe (5).
4. a kind of boiler liquid level meter flushing water pipeline according to claim 1, it is characterised in that the flush pipe (5) Axis direction is located at vertical direction；
Blow-off pipe (6) includes being used for the standpipe section to connect with flush pipe (5), draws the end that connector (7) is installed on standpipe section, standpipe Section, draw connector (7), the axis collinear of flush pipe (5) three.
5. a kind of boiler liquid level meter flushing water pipeline according to claim 1, it is characterised in that the gland (9) is in lid Shape, and the bottom of gland (9) is provided with through hole, the bottom of gland (9) is located at blocking (8) and goes out the one of head end away from flush pipe (5) Side, the openend direction of gland (9) draw connector (7)；
The through hole and flush pipe (5) clearance fit, the side of gland (9) are provided with internal thread, draw the outer of connector (7) openend Side is additionally provided with and the matched external screw thread of the internal thread.
A kind of 6. boiler liquid level meter flushing water pipeline as claimed in any of claims 1 to 5, it is characterised in that institute It is graphite annulus to state blocking (8).
CN201711104766.4A 2017-11-10 2017-11-10 A kind of boiler liquid level meter flushing water pipeline Withdrawn CN107940436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711104766.4A CN107940436A (en) 2017-11-10 2017-11-10 A kind of boiler liquid level meter flushing water pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711104766.4A CN107940436A (en) 2017-11-10 2017-11-10 A kind of boiler liquid level meter flushing water pipeline

Publications (1)

Publication Number Publication Date
CN107940436A true CN107940436A (en) 2018-04-20

Family

ID=61934663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711104766.4A Withdrawn CN107940436A (en) 2017-11-10 2017-11-10 A kind of boiler liquid level meter flushing water pipeline

Country Status (1)

Country Link
CN (1) CN107940436A (en)

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Application publication date: 20180420