CN114877345A - Grate actuating mechanism cooling system and burn burning furnace - Google Patents

Grate actuating mechanism cooling system and burn burning furnace Download PDF

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Publication number
CN114877345A
CN114877345A CN202210633198.1A CN202210633198A CN114877345A CN 114877345 A CN114877345 A CN 114877345A CN 202210633198 A CN202210633198 A CN 202210633198A CN 114877345 A CN114877345 A CN 114877345A
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CN
China
Prior art keywords
movable
piston rod
control valve
fixed
grate
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
Application number
CN202210633198.1A
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Chinese (zh)
Inventor
龙吉生
傅崇振
於志华
陈宇翔
刘超
苏文浩
朱海洋
何晖
严梦帆
沈咏烈
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Shanghai SUS Environment Co Ltd
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Shanghai SUS Environment 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.)
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Publication date
Application filed by Shanghai SUS Environment Co Ltd filed Critical Shanghai SUS Environment Co Ltd
Priority to CN202210633198.1A priority Critical patent/CN114877345A/en
Publication of CN114877345A publication Critical patent/CN114877345A/en
Priority to PCT/CN2022/138545 priority patent/WO2023236482A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H17/00—Details of grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste

Abstract

The invention discloses a grate driving mechanism cooling system, comprising: the fixed cross beams are of hollow tubular structures and are sequentially communicated end to end, and a fixed cross beam inlet pipe and a fixed cross beam outlet pipe are respectively arranged at two ends of the fixed cross beam cooling channel; the movable cross beams are of hollow tubular structures and are sequentially communicated end to end, and a movable cross beam inlet pipe and a movable cross beam outlet pipe are respectively arranged at two ends of the movable cross beam cooling channel; the cooling medium tank supplies a cooling medium to the fixed beam cooling passage and the movable beam cooling passage. The invention can carry out forced cooling on the fixed cross beam and the movable cross beam, reduce the environmental temperature of the fixed cross beam and the movable cross beam, prevent the materials of the fixed cross beam and the movable cross beam from generating deformation and distortion at high temperature, improve the service life, and avoid high-temperature damage and performance reduction of parts around the fire grate, such as oil cylinder seal, bearings and the like. The invention also discloses an incinerator.

Description

Grate actuating mechanism cooling system and burn burning furnace
Technical Field
The invention relates to the technical field of waste incineration, in particular to a grate driving mechanism cooling system and an incinerator.
Background
The waste incineration is one of the main ways of realizing the reduction, the harmlessness and the resource treatment of the waste. At present, the garbage incineration gradually becomes a main way of garbage treatment, the volume of the garbage can be reduced by 80-90% through the modern incineration treatment, various pathogens can be eliminated, harmful substances are converted into harmless substances, and the resource utilization can be realized. A plurality of household garbage incinerators are used in China, the conventional garbage incinerator is mostly a mechanical garbage incinerator, garbage is poured into the garbage incinerator from a feeding hole, and the household garbage is fed to the surface of a fire grate through a material pusher to be dried, combusted and burned.
The fire grate is divided into a plurality of fire grate sections according to three combustion stages, such as a drying section fire grate, a combustion section fire grate and an after burning section fire grate. Each grate section can be composed of different numbers of module grates, wherein the module grates can be the same or can be designed in different scales according to the requirements of working conditions.
When the surface of a general grate burns garbage, the temperature inside a hearth can reach 1200 ℃, the temperature on the surface of the grate can reach 400 ℃ or even higher, although primary air cooling is provided on the lower surface of the grate, in order to achieve combustion supporting and on the premise that the temperature of the hearth cannot be reduced, the primary air temperature is usually set to be about 200 ℃, the loss and the cooling effect of the primary air temperature are considered, the effect of cooling a grate frame cannot be met under the condition that high-heat-value garbage or super-burning garbage is burnt, the temperature of a grate driving shaft and a grate cross beam under the surface of the grate can reach more than 200 ℃ due to the action of heat radiation and heat conduction, and the temperature of an external hydraulic oil cylinder can also reach more than 120 ℃. The grate driving mechanism generally comprises an oil cylinder, a driving shaft, a bearing seat, a crank, a grate beam (a fixed beam and a movable beam) and the like. Especially, the fixed cross beams and the movable cross beams are closer to the hearth, the service life of the grate beam is influenced in a high-temperature area, and the material is deformed and distorted at the temperature.
Therefore, how to reduce the temperature of the fixed cross beam and the movable cross beam and improve the service life is a technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
In view of the above, the present invention is directed to a grate driving mechanism cooling system to reduce the temperature of the fixed cross beam and the movable cross beam and to improve the service life;
another object of the present invention is to provide an incinerator with the above grate drive cooling system.
In order to achieve the purpose, the invention provides the following technical scheme:
a grate actuating mechanism cooling system, includes coolant box and row beam module, row beam module includes:
a grate housing and a drive beam;
the fixed cross beams are of hollow tubular structures, two ends of each fixed cross beam are respectively fixed on the grate shells positioned on two sides, the fixed cross beams are arranged at intervals along the extension direction of the grate shells, the fixed cross beams are sequentially communicated end to form a fixed cross beam cooling channel, and a fixed cross beam inlet pipe and a fixed cross beam outlet pipe are respectively arranged at two ends of the fixed cross beam cooling channel;
the movable cross beams are of hollow tubular structures, two ends of each movable cross beam are respectively fixed on the driving beams positioned on two sides, the movable cross beams are arranged at intervals along the extending direction of the driving beams, the movable cross beams are sequentially communicated end to form a movable cross beam cooling channel, and a movable cross beam inlet pipe and a movable cross beam outlet pipe are respectively arranged at two ends of the movable cross beam cooling channel;
a medium tank outlet of the cooling medium tank communicates with the fixed beam inlet pipe and the movable beam inlet pipe to supply cooling medium to the fixed beam cooling passage and the movable beam cooling passage.
Optionally, in the grate driving mechanism cooling system, the fixed beam outlet pipe and the movable beam outlet pipe are communicated with a collecting tank or the cooling medium tank to discharge the cooling medium into the collecting tank or the cooling medium tank.
Optionally, in the cooling system of the grate driving mechanism, two adjacent fixed cross beams are communicated through a shell water channel arranged on the grate shell; and/or
And two adjacent movable cross beams are communicated through a movable cross beam communicating pipe.
Optionally, in the grate driving mechanism cooling system, the fixed cross beam inlet pipe, the fixed cross beam outlet pipe, the movable cross beam inlet pipe, the movable cross beam outlet pipe and the movable cross beam communicating pipe are all metal hoses.
Optionally, in the above grate driving mechanism cooling system, further comprising:
a fixed beam control valve connected in series on a pipeline between the outlet of the medium tank and the inlet pipe of the fixed beam to regulate the flow of the cooling medium entering the fixed beam; and
and the movable cross beam control valve is connected in series on a pipeline between the outlet of the medium box and the inlet pipe of the movable cross beam so as to regulate the flow of the cooling medium entering the movable cross beam.
Optionally, in the grate driving mechanism cooling system, the fixed cross beam control valve and the movable cross beam control valve are both automatic control valves;
the row beam module further comprises:
the fixed cross beam temperature sensor is used for detecting the temperature of the cooling medium at the outlet pipe of the fixed cross beam;
the movable cross beam temperature sensor is used for detecting the temperature of the cooling medium at the outlet pipe of the movable cross beam;
the first control system is used for controlling the opening value of the fixed beam control valve to be an initial opening value when the temperature detected by the fixed beam temperature sensor is less than or equal to a first preset temperature threshold value, and increasing the opening value of the fixed beam control valve when the temperature detected by the fixed beam temperature sensor is greater than the first preset temperature threshold value; the first control system is used for controlling the opening value of the movable cross beam control valve to be an initial opening value when the temperature detected by the movable cross beam temperature sensor is smaller than or equal to a second preset temperature threshold value, and the opening value of the movable cross beam control valve is increased when the temperature detected by the movable cross beam temperature sensor is larger than the second preset temperature threshold value.
Optionally, in the grate driving mechanism cooling system, the first control system further includes a manual mode, and in the manual mode, the opening values of the fixed beam control valve and the movable beam control valve can be manually adjusted on a control panel of the first control system; and/or the presence of a gas in the gas,
and the control panel of the first control system is used for displaying the temperatures measured by the fixed cross beam temperature sensor and the movable cross beam temperature sensor and the opening values of the fixed cross beam control valve and the movable cross beam control valve.
Optionally, in the above grate driving mechanism cooling system, a driving shaft mechanism is further included, and the driving shaft mechanism includes:
the driving shaft is connected with the driving beam through a crank to drive the driving beam to move, and the driving shaft is a hollow shaft;
a drive shaft inlet pipe communicating with one end of the drive shaft;
a drive shaft outlet pipe communicating with the other end of the drive shaft;
a medium tank outlet of the cooling medium tank communicates with the drive shaft inlet pipe to supply the cooling medium into the drive shaft.
Optionally, in the grate drive mechanism cooling system, the drive shaft outlet pipe is communicated with the sump or the cooling medium tank to discharge the cooling medium into the sump or the cooling medium tank.
Optionally, in the grate drive mechanism cooling system described above, the drive shaft inlet pipe and the drive shaft outlet pipe communicate with the drive shaft through a swivel.
Optionally, in the grate drive mechanism cooling system, the drive shaft inlet pipe and the drive shaft outlet pipe are both metal hoses.
Optionally, in the above grate driving mechanism cooling system, further comprising:
a drive shaft control valve connected in series in a line between the media tank outlet and the drive shaft inlet tube to regulate the flow of cooling medium into the drive shaft.
Optionally, in the grate driving mechanism cooling system, the driving shaft control valve is an automatic control valve;
the drive shaft mechanism further includes:
a drive shaft temperature sensor for detecting a cooling medium temperature at the drive shaft outlet pipe;
and the second control system is used for controlling the opening value of the driving shaft control valve to be an initial opening value when the temperature detected by the driving shaft temperature sensor is less than or equal to a third preset temperature threshold value, and increasing the opening value of the driving shaft control valve when the temperature detected by the driving shaft temperature sensor is greater than the third preset temperature threshold value.
Optionally, in the grate driving mechanism cooling system, the second control system further includes a manual mode, and in the manual mode, an opening value of the driving shaft control valve can be manually adjusted on a control panel of the second control system; and/or the presence of a gas in the gas,
and the control panel of the second control system is used for displaying the temperature measured by the driving shaft temperature sensor and the opening value of the driving shaft control valve.
Optionally, in the above grate driving mechanism cooling system, further including an oil cylinder mechanism, where the oil cylinder mechanism is configured to drive the crank to swing, the oil cylinder mechanism includes:
the piston rod is hinged with the crank and is provided with a piston rod hollow cavity;
the piston rod inlet pipe is communicated with one end of the piston rod hollow cavity;
the piston rod outlet pipe is communicated with the other end of the piston rod hollow cavity;
and a medium tank outlet of the cooling medium tank is communicated with the piston rod inlet pipe so as to supply cooling medium into the piston rod.
Optionally, in the grate driving mechanism cooling system, the piston rod outlet pipe is communicated with the collecting tank or the cooling medium tank to discharge the cooling medium into the collecting tank or the cooling medium tank.
Optionally, in the grate driving mechanism cooling system, the piston rod inlet pipe and the piston rod outlet pipe are both metal hoses.
Optionally, in the above grate driving mechanism cooling system, further comprising:
and the piston rod control valve is connected in series on a pipeline between the outlet of the medium box and the piston rod inlet pipe so as to regulate the flow of the cooling medium entering the piston rod.
Optionally, in the grate driving mechanism cooling system, the piston rod control valve is an automatic control valve;
the oil cylinder mechanism further comprises:
the piston rod temperature sensor is used for detecting the temperature of the cooling medium at the outlet pipe of the piston rod;
and the third control system is used for controlling the opening value of the piston rod control valve to be an initial opening value when the temperature detected by the piston rod temperature sensor is less than or equal to a fourth preset temperature threshold value, and increasing the opening value of the piston rod control valve when the temperature detected by the piston rod temperature sensor is greater than the fourth preset temperature threshold value.
Optionally, in the grate driving mechanism cooling system, the third control system further includes a manual mode, and in the manual mode, an opening value of the piston rod control valve is manually adjustable on a control panel of the third control system; and/or the presence of a gas in the gas,
and the control panel of the third control system is used for displaying the temperature measured by the piston rod temperature sensor and the opening value of the piston rod control valve.
Optionally, in the cooling system for a grate driving mechanism, the cooling medium tank further includes a blowdown pipeline, and a blowdown valve is disposed on the blowdown pipeline.
The grate driving mechanism cooling system provided by the invention has the advantages that the fixed cross beams and the movable cross beams are designed into hollow tube structures, the head and the tail of each fixed cross beam are sequentially communicated to form a fixed cross beam cooling channel, the two ends of the fixed cross beam cooling channel are provided with a fixed cross beam inlet tube and a fixed cross beam outlet tube, the head and the tail of each movable cross beam are sequentially communicated to form a movable cross beam cooling channel, and the two ends of the movable cross beam cooling channel are provided with a movable cross beam inlet tube and a movable cross beam outlet tube. The cooling medium box is used for supplying cooling medium to the fixed cross beam cooling channel and the movable cross beam cooling channel, heat exchange is carried out between the cooling medium and the fixed cross beam and between the cooling medium and the movable cross beam, and the cooling medium after heat absorption flows out through the fixed cross beam outlet pipe and the movable cross beam outlet pipe and takes away heat of the fixed cross beam and the movable cross beam.
The invention can forcibly cool the fixed cross beam and the movable cross beam by introducing the cooling medium into the fixed cross beam and the movable cross beam, reduce the environmental temperature of the fixed cross beam and the movable cross beam, stabilize the strength structure of the equipment, prevent the materials of the fixed cross beam and the movable cross beam from deforming and distorting at high temperature, prolong the service life of the fixed cross beam and the movable cross beam, and avoid high-temperature damage and performance reduction of parts around the fire grate, such as oil cylinder seals, bearings and the like.
An incinerator comprising a grate drive mechanism cooling system as claimed in any one of the preceding claims.
The incinerator provided by the invention has all the technical effects of the grate driving mechanism cooling system due to the grate driving mechanism cooling system, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a system diagram of a grate drive mechanism cooling system according to an embodiment of the present disclosure;
FIG. 2 is a top view of a row beam module according to an embodiment of the present invention;
FIG. 3 is a side view of a row beam module according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a drive shaft mechanism disclosed in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an oil cylinder mechanism disclosed in the embodiment of the present invention;
FIG. 6 is a schematic view of opening adjustment of a fixed beam control valve according to an embodiment of the disclosure;
FIG. 7 is a schematic view of the opening adjustment of a movable beam control valve according to an embodiment of the disclosure;
FIG. 8 is a schematic view illustrating the opening adjustment of a control valve of a driving shaft according to an embodiment of the present invention;
FIG. 9 is a schematic view illustrating the opening adjustment of a piston rod control valve according to an embodiment of the disclosure;
the meaning of the individual reference numerals in fig. 1 to 9 is as follows:
100 is a beam arrangement module, 110 is a fixed beam temperature sensor, 120 is a movable beam temperature sensor, 130 is a first observation hole, 140 is a fixed beam control valve, 150 is a movable beam control valve, 200 is a driving shaft mechanism, 210 is a driving shaft temperature sensor, 220 is a second observation hole, 230 is a driving shaft control valve, 300 is an oil cylinder mechanism, 310 is a piston rod temperature sensor, 320 is a third observation hole, 330 is a piston rod control valve, 400 is a cooling medium tank, 410 is a liquid level sensor, and 420 is a sewage drainage pit;
101 is a fire grate shell, 1011 is a shell water channel, 102 is a driving beam, 103 is a fixed beam, 104 is a movable beam, 105 is a movable beam communicating pipe, 106 is a movable beam inlet pipe, 107 is a movable beam outlet pipe, 108 is a fixed beam inlet pipe, 109 is a fixed beam outlet pipe, 201 is a driving shaft, 202 is a bearing seat assembly, 203 is a rotary joint, 204 is a crank, 205 is a driving shaft inlet pipe, 206 is a driving shaft outlet pipe, 301 is a piston rod, 302 is a hollow cavity of the piston rod, 303 is a cylinder barrel, 304 is an end cover, 305 is a sealing assembly, 306 is a pull rod, 307 is a piston rod outlet pipe, and 308 is a piston rod inlet pipe.
Detailed Description
The core of the invention is to provide a grate driving mechanism cooling system to reduce the temperature of a fixed beam and a movable beam and prolong the service life;
another core of the invention is to provide an incinerator with the grate driving mechanism cooling system.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the embodiment of the invention discloses a grate driving mechanism cooling system, which comprises a cooling medium tank 400 and a beam arrangement module 100, wherein the beam arrangement module 100 comprises a grate housing 101, a driving beam 102, a fixed cross beam 103 and a movable cross beam 104.
The fixed cross beam 103 is used for installing fixed grate blocks, namely the fixed grate blocks are installed on the fixed cross beam 103, the fixed clamping plates are used for limiting and locking the fixed grate blocks on the fixed cross beam 103 respectively, and finally the fixed cross beam 103 is supported on the grate shell 101.
The movable beam 104 is used for mounting movable grate blocks, that is, the movable grate blocks are mounted on the movable beam 104, each movable grate block on the movable beam 104 is limited and locked by a fixed clamping plate, and finally the movable beam 104 is supported on the driving beam 102.
The fixed beam 103 is a hollow tubular structure, and two ends of the fixed beam are respectively fixed on the grate housing 101 at two sides. Specifically, two ends of the fixed cross beam 103 can be welded to the grate housing 101 on two sides, respectively. The fixed cross beams 103 are arranged at intervals along the extension direction of the grate shell 101, and the fixed cross beams 103 are sequentially communicated end to form a fixed cross beam cooling channel. As shown in fig. 2, the grate housing 101 on the left side is a first grate housing, and the grate housing 101 on the right side is a second grate housing. Both ends of each fixed cross beam 103 are respectively fixed on the first grate shell and the second grate shell, except two fixed cross beams 103 (the first fixed cross beam 103 and the last fixed cross beam 103 along the arrangement direction) positioned at the end parts, one end of each fixed cross beam 103 positioned at the middle part on the first grate shell is communicated with one end of the fixed cross beam 103 positioned at the downstream on the first grate shell, and then one end of the fixed cross beam 103 positioned at the second grate shell is communicated with one end of the fixed cross beam 103 positioned at the upstream on the second grate shell, namely one end of the fixed cross beam 103 positioned at the middle part is communicated with the same end of the fixed cross beam 103 positioned at the upstream, and the other end is communicated with the same end of the fixed cross beam 103 positioned at the downstream, so that a fixed cross beam cooling channel in a serpentine arrangement can be formed.
The two ends of the fixed beam cooling channel are respectively provided with a fixed beam inlet pipe 108 and a fixed beam outlet pipe 109, and after the cooling medium is introduced through the fixed beam inlet pipe 108, the cooling medium can be discharged from the fixed beam outlet pipe 109 after passing through the fixed beam cooling channel, so as to take away the heat of the fixed beam 103.
The movable cross beams 104 are hollow tubular structures, two ends of each movable cross beam are respectively fixed on the driving beams 102 positioned on two sides, the movable cross beams 104 are arranged at intervals along the extending direction of the driving beams 102, and the movable cross beams 104 are sequentially communicated end to form a movable cross beam cooling channel. As shown in fig. 2, the left drive beam 102 is a first drive beam, and the right drive beam 102 is a second drive beam. Both ends of each movable beam 104 are respectively fixed on the first driving beam and the second driving beam, except for two movable beams 104 (the first movable beam 104 and the last movable beam 104 along the arrangement direction) at the end part, one end of each movable beam 104 at the middle part, which is positioned on the first driving beam, is communicated with one end of the movable beam 104 at the downstream part, which is positioned on the first driving beam, so that one end of the movable beam 104 at the second driving beam is communicated with one end of the movable beam 104 at the upstream part, which is positioned on the second driving beam, i.e. one end of the movable beam 104 at the middle part is communicated with the same end of the movable beam at the upstream part, and the other end is communicated with the same end of the movable beam at the downstream part, thereby forming a movable beam cooling channel with a serpentine arrangement.
The movable cross beam cooling channel is provided with a movable cross beam inlet pipe 106 and a movable cross beam outlet pipe 107 at two ends respectively, after the cooling medium is introduced through the movable cross beam inlet pipe 106, the cooling medium can be discharged from the movable cross beam outlet pipe 107 after passing through the movable cross beam cooling channel, so as to take away the heat of the movable cross beam 104.
The medium tank outlet of the cooling medium tank 400 communicates with the fixed beam inlet pipe 108 and the movable beam inlet pipe 106 to supply the cooling medium to the fixed beam cooling passages and the movable beam cooling passages. In the present embodiment, the cooling medium in the cooling medium tank 400 may be any fluid that can absorb heat, such as water, oil, or coolant.
According to the grate driving mechanism cooling system provided by the invention, the fixed cross beams 103 and the movable cross beams 104 are designed into hollow tube structures, the fixed cross beams 103 are sequentially communicated end to form a fixed cross beam cooling channel, the two ends of the fixed cross beam cooling channel are provided with the fixed cross beam inlet tube 108 and the fixed cross beam outlet tube 109, the movable cross beams 104 are sequentially communicated end to form a movable cross beam cooling channel, and the two ends of the movable cross beam cooling channel are provided with the movable cross beam inlet tube 106 and the movable cross beam outlet tube 107. The cooling medium tank 400 is configured to supply a cooling medium to the fixed beam cooling passages and the movable beam cooling passages, exchange heat with the fixed beam 103 and the movable beam 104 by the cooling medium, and the cooling medium that has absorbed heat flows out through the fixed beam outlet pipe 109 and the movable beam outlet pipe 107, and takes away heat of the fixed beam 103 and the movable beam 104.
The invention can forcibly cool the fixed cross beam 103 and the movable cross beam 104 by introducing cooling medium into the fixed cross beam 103 and the movable cross beam 104, reduce the environmental temperature of the fixed cross beam 103 and the movable cross beam 104, stabilize the strength structure of the equipment, prevent the materials of the fixed cross beam 103 and the movable cross beam 104 from deforming and distorting at high temperature, prolong the service life of the fixed cross beam 103 and the movable cross beam 104, and avoid high-temperature damage and performance reduction of parts around the fire grate, such as oil cylinder seals, bearings and the like. The cooling circuit of the row beam module 100 is double-in and double-out and is arranged in a snake shape, so that the cooling is more uniform, and the heat exchange efficiency is improved.
It should be noted that the fixed beam outlet pipe 109 and the movable beam outlet pipe 107 are used for discharging the cooling medium after heat exchange, and a specific discharge position may be selected according to an actual scene. In order to avoid the pollution of the cooling medium to the environment, the catch basin 500 may be added accordingly. The fixed beam outlet pipe 109 and the movable beam outlet pipe 107 communicate with the sump 500 to discharge the cooling medium into the sump 500 for collection. In addition, the cooling medium can also be directly discharged into the cooling medium tank 400, so that the cooling medium can be circulated in the cooling circuit, the cooling medium can be recycled, and the use cost of the cooling medium is reduced. Since the cooling medium tank 400 is generally disposed at a high position in the terrain, the flow of the cooling medium can be realized by using gravitational potential energy, and if the fixed beam outlet pipe 109 and the movable beam outlet pipe 107 are communicated with the cooling medium tank 400, corresponding circulating pumps need to be provided to ensure the circulation of the cooling medium.
As shown in fig. 5, the fixed beams 103 and the grate housing 101 are fixed components, so that two adjacent fixed beams 103 are communicated through a housing water channel 1011 formed on the grate housing 101. The housing water channel 1011 only needs to be provided at a position communicating the two fixed beams 103 to ensure that the serpentine fixed beam cooling passage can be formed. Two adjacent movable beams 104 are communicated by a movable beam communication pipe 105.
It should be noted that the fixed beam inlet pipe 108, the fixed beam outlet pipe 109, the movable beam inlet pipe 106, the movable beam outlet pipe 107, and the movable beam communicating pipe 105 may all be metal hoses, and the above pipes may be made of other materials as required, as long as the pipes can be used in a high temperature environment.
As shown in FIG. 1, in one embodiment of the invention, the invention may further include a fixed beam control valve 140 connected in-line between the outlet of the media tank and the fixed beam inlet pipe 108 to regulate the flow of cooling medium into the fixed beam 103. As can be appreciated by those skilled in the art, the greater the flow of cooling medium into the fixed beam cooling channels, the better the cooling effect; the worse the cooling effect. Therefore, the cooling effect of the fixed beam 103 can be adjusted by controlling the opening size of the fixed beam control valve 140.
In one embodiment of the invention, the invention may further include a movable beam control valve 150 in series with the conduit between the media tank outlet and the movable beam inlet tube 106 to regulate the flow of cooling medium into the movable beam 104. As can be understood by those skilled in the art, the greater the flow of the cooling medium into the cooling channel of the movable cross beam, the better the cooling effect; the worse the cooling effect. Therefore, the cooling effect of the movable beam 104 can be adjusted by controlling the opening degree of the movable beam control valve 150.
Specifically, the fixed beam control valve 140 and the movable beam control valve 150 are automatic control valves, and the row beam module 100 may further include a fixed beam temperature sensor 110, a movable beam temperature sensor 120, and a first control system.
Among them, the fixed beam temperature sensor 110 is used for detecting the temperature of the cooling medium at the fixed beam outlet pipe 109, that is, for detecting the temperature of the cooling medium flowing out of the fixed beam outlet pipe 109. The first control system is configured to control the opening value of the fixed beam control valve 140 to be an initial opening value when the temperature detected by the fixed beam temperature sensor 110 is less than or equal to a first preset temperature threshold, and increase the opening value of the fixed beam control valve 140 when the temperature detected by the fixed beam temperature sensor 110 is greater than the first preset temperature threshold.
The initial opening of the fixed beam control valve 140 is set to a value that will satisfy that the temperature of the cooling medium at the fixed beam outlet pipe 109 is less than or equal to, but not too much less than, the first predetermined temperature threshold under most conditions. It should be noted that the initial opening value of the fixed beam control valve 140 should be set to satisfy that the temperature of the cooling medium at the outlet pipe 109 of the fixed beam is lower than and close to the first preset temperature threshold value under most working conditions, that is, the initial opening value of the fixed beam control valve 140 is set to the minimum value that satisfies the temperature requirement of the fixed beam 103, which is helpful for saving energy. When the temperature detected by the fixed beam temperature sensor 110 is greater than the first preset temperature threshold, the opening degree of the fixed beam control valve 140 may be increased, so that the flow rate of the cooling medium is increased, the temperature of the cooling medium at the fixed beam outlet pipe 109 gradually decreases until the temperature decreases below the first preset temperature threshold, and the opening degree of the fixed beam control valve 140 may be adjusted to the initial opening degree.
As shown in fig. 6, the fixed beam control valve 140 includes:
step S101: collecting the temperature of a cooling medium in the fixed cross beam;
that is, the temperature of the cooling medium at the fixed beam outlet pipe 109 is detected by the fixed beam temperature sensor 110.
Step S102: and judging whether the temperature of the cooling medium exceeds a first preset temperature, if so, executing step S103, otherwise, executing step S104. The first preset temperature may be set according to practical conditions, for example, 80 ℃.
Step S103: increasing the opening of the fixed beam control valve 140;
the increased opening value may be preset, for example, by 20% of the opening. The increased opening value may also be directly proportional to the coolant temperature at the fixed beam outlet duct 109, i.e., the greater the coolant temperature at the fixed beam outlet duct 109, the greater the increased opening value, and conversely, the smaller the increased opening value. It is also possible to increase the opening value gradually over time, for example by increasing the preset opening value per unit time, for example by 5% per minute, until the temperature of the cooling medium at the fixed beam outlet pipe 109 falls below the first preset temperature.
Step S104: maintaining the initial opening of the fixed beam control valve 140; the initial opening value of the fixed beam control valve 140 may be preset, for example, 40% opening.
In an embodiment of the present invention, the first control system further includes a manual mode, and in the manual mode, the opening value of the fixed beam control valve 140 can be manually adjusted on the control panel of the first control system, that is, the opening value of the fixed beam control valve 140 can be manually controlled. The manual mode can adopt the biggest flow (for example the opening value of fixed beam control valve 140 is transferred to the biggest) constantly to increase the cooling effect, the manual mode still can be opened and stop the stove or use when overhauing, reaches rapid cooling's effect.
In one embodiment of the present invention, the control panel of the first control system is used to display the temperature measured by the fixed beam temperature sensor 110 and the opening of the fixed beam control valve 140, so as to facilitate the operator to monitor the cooling condition of the fixed beam 103 at any time.
The movable beam temperature sensor 120 is used for detecting the temperature of the cooling medium at the movable beam outlet pipe 107, that is, for detecting the temperature of the cooling medium flowing out of the movable beam outlet pipe 107. The first control system is configured to control the opening value of the movable beam control valve 150 to be an initial opening value when the temperature detected by the movable beam temperature sensor 120 is less than or equal to a second preset temperature threshold, and increase the opening value of the movable beam control valve 150 when the temperature detected by the movable beam temperature sensor 120 is greater than the second preset temperature threshold.
The initial opening of movable beam control valve 150 is set to a value that will satisfy most conditions for the temperature of the cooling medium at the movable beam outlet duct 107 to be less than or equal to, but not much less than, the second predetermined temperature threshold. It should be noted that the initial opening value of the movable beam control valve 150 is set to satisfy that the temperature of the cooling medium at the outlet pipe 107 of the movable beam is lower than and close to the second preset temperature threshold value under most conditions, that is, the initial opening value of the movable beam control valve 150 is set to the minimum value that satisfies the temperature requirement of the movable beam 104, which is helpful for saving energy. When the temperature detected by the movable beam temperature sensor 120 is greater than the second preset temperature threshold, the opening degree of the movable beam control valve 150 may be increased, so that the flow rate of the cooling medium is increased, the temperature of the cooling medium at the movable beam outlet pipe 107 gradually decreases until the temperature decreases below the second preset temperature threshold, and the opening degree of the movable beam control valve 150 may be adjusted to the initial opening degree.
In an embodiment of the present invention, the first control system further includes a manual mode, in which the opening value of the movable beam control valve 150 can be manually adjusted on the control panel of the first control system, i.e. the opening value of the movable beam control valve 150 can be manually controlled. The manual mode can adopt the biggest flow (for example, the opening value of movable beam control valve 150 is transferred to the biggest) constantly to increase the cooling effect, the manual mode still can be opened and stop the stove or use when overhauing, reaches rapid cooling's effect.
In one embodiment of the present invention, the control panel of the first control system is used to display the temperature measured by the movable beam temperature sensor 120 and the opening of the movable beam control valve 150, so that the operator can monitor the cooling condition of the movable beam 104 at any time.
As shown in fig. 7, the method for controlling the movable beam control valve 150 includes:
step S201: collecting the temperature of a cooling medium in the movable cross beam;
i.e., the cooling medium temperature at the movable beam outlet pipe 107 is detected by the movable beam temperature sensor 120.
Step S202: and judging whether the temperature of the cooling medium exceeds a second preset temperature, if so, executing step S203, and otherwise, executing step S204. The second preset temperature may be set according to practical conditions, for example, 80 ℃.
Step S203: increasing the opening of the movable beam control valve 150;
the increased opening value may be preset, for example, by 20% of the opening. The increased opening value may also be directly proportional to the coolant temperature at the moving beam outlet pipe 107, i.e. the greater the coolant temperature at the moving beam outlet pipe 107, the greater the increased opening value, and conversely the smaller the increased opening value. It is also possible to increase the opening value gradually over time, for example by increasing the preset opening value per unit time, for example by 5% per minute, until the temperature of the cooling medium at the outlet pipe 107 of the movable cross beam falls below the second preset temperature.
Step S204: maintaining the initial opening of the movable beam control valve 150; the initial opening value of the movable beam control valve 150 may be preset, for example, 40% opening.
As shown in fig. 1 and 4, the embodiment of the present invention may further include a driving shaft mechanism 200, since the driving shaft mechanism 200 is designed below the furnace, near the high temperature zone, the service life of the driving shaft 201 is affected by the too high temperature, and the material will deform and twist at the temperature.
Based on this, in the present embodiment, the drive shaft mechanism 200 includes a drive shaft 201, a drive shaft inlet pipe 205, and a drive shaft outlet pipe 206. The driving shaft 201 is used for being connected with the driving beam 102 through the crank 204 to drive the driving beam 102 to move, it should be noted that the driving shaft 201 is a part of a driving mechanism in the incinerator, and the connection relationship between the driving shaft 201 and other structures can refer to the driving mechanism of the incinerator, and the emphasis here is not to change the connection structure between the driving shaft 201 and other components, but to add a cooling scheme to the driving shaft 201.
The drive shaft 201 is a hollow shaft so that the cooling medium can pass into the hollow cavity of the drive shaft 201. The drive shaft inlet pipe 205 communicates with one end of the drive shaft 201, and the drive shaft outlet pipe 206 communicates with the other end of the drive shaft 201. The medium tank outlet of the cooling medium tank 400 communicates with the drive shaft inlet pipe 205 to supply the cooling medium into the drive shaft 201. The cooling medium in the cooling medium tank 400 enters the hollow cavity of the driving shaft 201 through the driving shaft inlet pipe 205, and the cooling medium can flow to the other end through one end of the hollow cavity and finally is discharged through the driving shaft outlet pipe 206 to take away the heat of the driving shaft 201, reduce the temperature of the driving shaft 201 and protect the bearing block assembly 202 and the crank 204 on the driving shaft 201.
It should be noted that the driving shaft outlet pipe 206 is used for discharging the heat-exchanged cooling medium, and a specific discharge position may be selected according to an actual situation. In order to avoid the cooling medium from being discharged randomly and polluting the environment, the catch basin 500 can be added accordingly. The drive shaft outlet pipe 206 communicates with the sump 500 to discharge the cooling medium into the sump 500 for collection. In addition, the cooling medium can also be directly discharged into the cooling medium tank 400, so that the cooling medium can be circulated in the cooling circuit, the cooling medium can be recycled, and the use cost of the cooling medium is reduced. Since the cooling medium tank 400 is generally disposed at a high position, the cooling medium can flow by using gravitational potential energy, and if the driving shaft outlet pipe 206 is communicated with the cooling medium tank 400, a corresponding circulation pump needs to be provided to ensure the circulation of the cooling medium.
Further, the drive shaft inlet pipe 205 and the drive shaft outlet pipe 206 communicate with the drive shaft 201 through the rotary joint 203. When ensuring that drive shaft 201 does radial motion, rotary joint 203 can follow free rotation to use the action of drive shaft 201, guarantee sustainable cooling medium that supplies, reduce the temperature, protect bearing frame assembly 202 and crank 204 on drive shaft 201.
It should be noted that the driving shaft inlet pipe 205 and the driving shaft outlet pipe 206 may be both metal hoses, and may be made of other materials as long as they can be used in a high temperature environment.
In one embodiment of the invention, the embodiment of the invention may further comprise a drive shaft control valve 230 connected in series in the line between the outlet of the media tank and the drive shaft inlet pipe 205 to regulate the flow of cooling medium into the drive shaft 201. It will be appreciated by those skilled in the art that the greater the flow of cooling medium into the drive shaft 201, the better the cooling effect; the worse the cooling effect. Therefore, the cooling effect of the drive shaft 201 can be adjusted by controlling the opening size of the drive shaft control valve 230.
Specifically, the driving shaft control valve 230 is an automatic control valve, the driving shaft mechanism 200 may further include a driving shaft temperature sensor 210 and a second control system, and the second control system of the driving shaft mechanism 200 may be the same as the first control system of the girder erection module 100, or may be a control system corresponding to each other.
The drive shaft temperature sensor 210 is used to detect the temperature of the cooling medium at the drive shaft outlet pipe 206, i.e., to detect the temperature of the cooling medium flowing out of the drive shaft outlet pipe 206. The second control system is configured to control the opening value of the driving shaft control valve 230 to be an initial opening value when the temperature detected by the driving shaft temperature sensor 210 is less than or equal to a third preset temperature threshold, and increase the opening value of the driving shaft control valve 230 when the temperature detected by the driving shaft temperature sensor 210 is greater than the third preset temperature threshold.
The initial opening of the driveshaft control valve 230 is set to a value that will satisfy most conditions for the temperature of the cooling medium at the driveshaft outlet tube 206 to be less than or equal to, but not much less than, the third predetermined temperature threshold. It should be noted that the initial opening value of the drive shaft control valve 230 is set to satisfy that the temperature of the cooling medium at the drive shaft outlet pipe 206 is lower than and close to the third preset temperature threshold value under most conditions, that is, the initial opening value of the drive shaft control valve 230 is set to the minimum value satisfying the temperature requirement of the drive shaft 201, which helps to save energy. When the temperature detected by the drive shaft temperature sensor 210 is greater than the third preset temperature threshold, the opening degree value of the drive shaft control valve 230 may be increased such that the flow rate of the cooling medium increases, the cooling medium temperature at the drive shaft outlet pipe 206 gradually decreases until it falls below the third preset temperature threshold, and the opening degree of the drive shaft control valve 230 may be adjusted to the initial opening degree value.
In an embodiment of the present invention, the second control system further includes a manual mode, in which the opening degree of the driving shaft control valve 230 can be manually adjusted on the control panel of the second control system, i.e. the opening degree of the driving shaft control valve 230 can be manually controlled. The manual mode can adopt the biggest flow (for example, the opening value of drive shaft control valve 230 is transferred to the biggest) constantly to increase the cooling effect, the manual mode still can be used when opening and shutting down the stove or overhauing, reaches rapid cooling's effect.
In one embodiment of the present invention, the control panel of the second control system is used to display the temperature measured by the drive shaft temperature sensor 210 and the opening value of the drive shaft control valve 230, so as to facilitate the operator to monitor the cooling condition of the drive shaft 201 at any time.
The drive shaft control valve 230 is a specific control method, as shown in fig. 8, including:
step S301: collecting the temperature of a cooling medium in a driving shaft;
that is, the cooling medium temperature at the drive shaft outlet pipe 206 is detected by the drive shaft temperature sensor 210.
Step S302: and judging whether the temperature of the cooling medium exceeds a third preset temperature, if so, executing step S303, and otherwise, executing step S304. The third preset temperature may be set according to practical conditions, for example, 80 ℃.
Step S303: increasing the opening degree of the drive shaft control valve 230;
the increased opening value may be preset, for example, by 20% of the opening. The increased opening value may also be directly proportional to the cooling medium temperature at drive shaft outlet duct 206, i.e., the greater the cooling medium temperature at drive shaft outlet duct 206, the greater the increased opening value, and conversely the lesser the increased opening value. It is also possible to increase the opening value gradually with time, e.g. by a preset opening value per unit time, e.g. by 5% per minute, until the temperature of the cooling medium at the drive shaft outlet pipe 206 falls below a third preset temperature.
Step S304: maintaining the initial opening degree of the driving shaft control valve 230; the initial opening value of the drive shaft control valve 230 may be set in advance, for example, 40%.
As shown in fig. 1 and 5, the embodiment of the present invention may further include an oil cylinder mechanism 300, since high-heat value garbage may generate higher heat, and heat is conducted through the driving shaft mechanism 200, which may cause the temperature of the oil cylinder mechanism 300 and the surrounding environment to be higher, which affects the service life of the oil cylinder mechanism 300.
Based on this, in the present embodiment, the cylinder mechanism 300 is used to drive the crank 204 to swing, and the cylinder mechanism 300 includes the piston rod 301, the piston rod inlet pipe 308, and the piston rod outlet pipe 307. It should be noted that the cylinder mechanism 300 should include a cylinder 303, an end cap 304, a pull rod 306, and a seal assembly 305 in addition to the piston rod 301. The two end covers 304 are respectively arranged at two sides of the cylinder barrel 303, the piston rod 301 passes through the two end covers 304 and is sealed with the end covers 304 by adopting the sealing component 305, and the oil cylinder mechanism 300 is double-hydraulic cylinder. The specific structure of the cylinder mechanism 300 can refer to the cylinder mechanism of the incinerator, and the emphasis here is not on changing the connection structure of the cylinder mechanism 300 and other components, but on adding a cooling scheme to the cylinder mechanism 300.
A piston rod 301 is articulated to the crank 204, the piston rod 301 having a piston rod hollow cavity 302 such that a cooling medium can be passed into the hollow cavity of the piston rod 301. A piston rod inlet pipe 308 is communicated with one end of the piston rod hollow cavity 302; the piston rod outlet pipe 307 communicates with the other end of the piston rod hollow chamber 302, and the medium tank outlet of the cooling medium tank 400 communicates with the piston rod inlet pipe 308 to supply the cooling medium into the piston rod 301. In this embodiment, the piston rod inlet pipe 308 and the piston rod outlet pipe 307 are respectively communicated with two ends of the hollow cavity of the piston rod 301, so that the cooling medium flows in from one end of the hollow cavity of the piston rod 301, flows out from the other end of the hollow cavity, takes away heat, and protects the sealing assembly 305.
It should be noted that the piston rod outlet pipe 307 is used for discharging the cooling medium after heat exchange, and a specific discharge position may be selected according to an actual scene. In order to avoid the cooling medium from being discharged randomly and polluting the environment, the catch basin 500 can be added accordingly. The piston rod outlet pipe 307 communicates with the sump 500 to discharge the cooling medium into the sump 500 for collection. In addition, the cooling medium can also be directly discharged into the cooling medium tank 400, so that the cooling medium can be circulated in the cooling circuit, the cooling medium can be recycled, and the use cost of the cooling medium is reduced. Since the cooling medium tank 400 is generally disposed at a high position, the flow of the cooling medium can be realized by using gravitational potential energy, and if the piston rod outlet pipe 307 is communicated with the cooling medium tank 400, a corresponding circulating pump needs to be provided to ensure the circulation of the cooling medium.
Further, the piston rod inlet pipe 308 and the piston rod outlet pipe 307 are both metal hoses, and other materials can be adopted according to requirements, so long as the use in a high-temperature environment is ensured.
In a specific embodiment of the present invention, the embodiment of the present invention may further comprise a piston rod control valve 330 connected in series to the line between the outlet of the media tank and the piston rod inlet tube 308 to regulate the flow of cooling medium into the piston rod 301. It will be appreciated by those skilled in the art that the greater the flow of cooling medium into the piston rod 301, the better the cooling effect; the worse the cooling effect. Therefore, the cooling effect of the cylinder mechanism can be adjusted by controlling the opening degree of the piston rod control valve 330.
Specifically, the piston rod control valve 330 is an automatic control valve, and the cylinder mechanism 300 may further include a piston rod temperature sensor 310 and a third control system. The third control system of the cylinder mechanism 300 may be the same as the first control system of the row beam module 100 and the second control system of the drive shaft mechanism 200, or may be corresponding control systems.
The piston rod temperature sensor 310 is used to detect the temperature of the cooling medium at the piston rod outlet pipe 307, i.e. to detect the temperature of the cooling medium flowing out of the piston rod outlet pipe 307. The third control system is configured to control the opening value of the piston rod control valve 330 to be the initial opening value when the temperature detected by the piston rod temperature sensor 310 is less than or equal to the fourth preset temperature threshold, and increase the opening value of the piston rod control valve 330 when the temperature detected by the piston rod temperature sensor 310 is greater than the fourth preset temperature threshold.
The initial opening of the piston rod control valve 330 is set to a value that will satisfy that the temperature of the cooling medium in the piston rod outlet pipe 307 is less than or equal to the fourth predetermined temperature threshold, but not too much less than the fourth predetermined temperature threshold, under most conditions. It should be noted that the initial opening value of the piston rod control valve 330 should be set to satisfy that the temperature of the cooling medium at the piston rod outlet pipe 307 is lower than and close to the fourth preset temperature threshold under most conditions, that is, the initial opening value of the piston rod control valve 330 is set to the minimum value that satisfies the temperature requirement of the piston rod 301, which is beneficial to saving energy. When the temperature detected by the piston rod temperature sensor 310 is greater than the fourth preset temperature threshold, the opening degree of the piston rod control valve 330 may be increased, so that the flow rate of the cooling medium is increased, the temperature of the cooling medium at the piston rod outlet pipe 307 gradually decreases until the temperature decreases below the fourth preset temperature threshold, and the opening degree of the piston rod control valve 330 may be adjusted to the initial opening degree.
In one embodiment of the present invention, the third control system further comprises a manual mode, in which the opening value of the piston rod control valve 330 is manually adjustable on a control panel of the third control system. The manual mode can adopt the biggest flow (for example, the opening value of piston rod control valve 330 is transferred to the biggest) constantly to increase the cooling effect, the manual mode still can be opened and shut down the stove or use when overhauing, reaches rapid cooling's effect.
In one embodiment of the present invention, the third control system has a control panel for displaying the temperature measured by the piston rod temperature sensor 310 and the opening value of the piston rod control valve 330, so as to facilitate the operator to monitor the cooling condition of the piston rod 301 at any time.
As shown in fig. 9, the control method of the piston rod control valve 330 includes:
step S401: collecting the temperature of a cooling medium in the piston rod;
i.e. the cooling medium temperature at the piston rod outlet pipe 307 is detected by the piston rod temperature sensor 310.
Step S402: and judging whether the temperature of the cooling medium exceeds a fourth preset temperature, if so, executing step S403, and if not, executing step S404. The fourth preset temperature may be set according to practical circumstances, for example, 80 ℃.
Step S403: increasing the opening of the piston rod control valve 330;
the increased opening value may be preset, for example, by 20% of the opening. The increased opening value may also be proportional to the cooling medium temperature at the piston rod outlet pipe 307, i.e. the greater the cooling medium temperature at the piston rod outlet pipe 307, the greater the increased opening value, and conversely the smaller the increased opening value. It is also possible to increase the opening value gradually with time, e.g. by increasing the preset opening value per unit time, e.g. by 5% per minute, until the temperature of the cooling medium at the piston rod outlet pipe 307 drops below a fourth preset temperature.
Step S404: maintaining the initial opening of the piston rod control valve 330; the initial opening value of the piston rod control valve 330 may be preset, for example, 40% opening.
As shown in fig. 1, the fixed beam outlet pipe 109 and the movable beam outlet pipe 107 may communicate with the sump 500 through row beam module drain lines, which may be longer because the row beam modules are typically farther from the sump 500. In this embodiment, can increase the first observation hole 130 with row roof beam module drain pipe intercommunication on row roof beam module drain pipe, set up first ooff valve on the first observation hole 130, under normal conditions, first ooff valve is in the off-state, and first observation hole 130 is in the shutoff state promptly. When no cooling medium is discharged from the tail end of the drainage pipeline of the beam array module, the first switch valve can be opened to observe whether the cooling medium flows out from the first switch valve, if so, the beam array module with the drainage pipeline of the beam array module on the upstream of the first observation hole 130 has no blocking fault, and the blocking fault occurs on the drainage pipeline of the beam array module on the downstream pipeline of the first observation hole 130; if no cooling medium flows out, the drainage pipeline of the row beam module is blocked and fails at the row beam module upstream of the first observation hole 130, and therefore, the row beam module needs to be repaired. It should be noted that the first sight glass 130 may be disposed at an end of the row beam module drain line near the fixed beam outlet pipe 109 and the movable beam outlet pipe 107 as much as possible.
Drive shaft outlet pipe 206 may communicate with sump 500 via a drive shaft drain line, which may be long because drive shaft 201 is typically located a distance from sump 500. In this embodiment, a second observation hole 220 communicated with the driving shaft drainage pipeline can be added on the driving shaft drainage pipeline, a second switch valve is arranged on the second observation hole 220, and under normal conditions, the second switch valve is in a closed state, that is, the second observation hole 220 is in a blocking state. When no cooling medium is discharged from the end of the drive shaft drain line, the second on-off valve can be opened to observe whether a cooling medium flows out from the second on-off valve, if so, the drive shaft 201 of the drive shaft drain line on the upstream of the second observation hole 220 has no blocking fault, and the blocking fault occurs on the drive shaft drain line on the downstream of the second observation hole 220; if no coolant flows out, it means that the drive shaft drain line is clogged in the drive shaft 201 upstream of the second observation hole 220, and thus needs to be inspected. It should be noted that it is possible to arrange the second sight glass 220 at the end of the drive shaft drain line close to the drive shaft outlet pipe 206.
The piston rod outlet pipe 307 may be in communication with the sump 500 via a piston rod drain line, which may require a longer piston rod drain line since the cylinder is typically further from the sump 500. In this embodiment, a third observation hole 320 communicated with the piston rod water discharge pipeline may be added to the piston rod water discharge pipeline, a third on-off valve is disposed on the third observation hole 320, and under a normal condition, the third on-off valve is in a closed state, that is, the third observation hole 320 is in a blocked state. When no cooling medium is discharged from the tail end of the piston rod drainage pipeline, the third switch valve can be opened to observe whether the cooling medium flows out from the third switch valve, if so, the piston rod drainage pipeline on the upstream of the third observation hole 320 has no blockage fault, and the blockage fault occurs on the piston rod drainage pipeline on the downstream of the third observation hole 320; if no cooling medium flows out, it indicates that the piston rod of the piston rod drainage pipeline at the upstream of the third observation hole 320 is blocked and needs to be repaired. It should be noted that the third sight glass 320 may be arranged as far as possible at the end of the piston rod water discharge line close to the piston rod outlet tube 307.
In an embodiment of the present invention, the cooling medium tank 400 further comprises a drain line, and a drain valve is disposed on the drain line. When the cooling medium tank 400 needs to be cleaned, the blow-off valve can be opened, and the cooling medium with high impurity content in the cooling medium tank 400 can be discharged into the blow-off pit 420 through the blow-off pipeline.
When the cooling medium in the cooling medium tank 400 is water, industrial water or cooling water may be directly injected into the cooling medium tank 400. The cooling medium tank 400 may be provided with a level sensor 410 for detecting a liquid level to ensure that the cooling medium in the cooling medium tank 400 is within a preset liquid level range.
In an application scenario, in a certain garbage disposal plant, plant industrial water is used as a water source in a cooling medium tank 400, the water source passes through the cooling medium tank 400 and then is divided into 14 paths (the garbage disposal plant is provided with 14 grate modules) which respectively enter 14 modules, cooling water of each module is divided into three paths and respectively fed to an oil cylinder mechanism, a driving shaft mechanism and a beam arrangement module, and cooling water after heat exchange is finally sent to a water collecting tank of a plant area and is recycled after being processed.
The embodiment of the invention also discloses an incinerator, which comprises the grate driving mechanism cooling system disclosed by the embodiment, and the cooling system is provided with the grate driving mechanism cooling system, so that all technical effects of the grate driving mechanism cooling system are achieved, and the details are not repeated herein.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (22)

1. A grate drive mechanism cooling system comprising a coolant tank (400) and a row beam module (100), the row beam module (100) comprising:
a grate shell (101) and a driving beam (102);
the fixed cross beam (103) is used for installing and fixing the grate block, the fixed cross beam (103) is of a hollow tubular structure, two ends of the fixed cross beam are respectively fixed on the grate shell (101) positioned on two sides, the fixed cross beams (103) are arranged at intervals along the extension direction of the grate shell (101), the fixed cross beams (103) are sequentially communicated end to form a fixed cross beam cooling channel, and a fixed cross beam inlet pipe (108) and a fixed cross beam outlet pipe (109) are respectively arranged at two ends of the fixed cross beam cooling channel;
the movable cross beam (104) is used for installing a movable grate block, the movable cross beam (104) is of a hollow tubular structure, two ends of the movable cross beam (104) are respectively fixed on the driving beams (102) positioned on two sides, the movable cross beams (104) are arranged along the extending direction of the driving beams (102) at intervals, the movable cross beams (104) are sequentially communicated end to form a movable cross beam cooling channel, and a movable cross beam inlet pipe (106) and a movable cross beam outlet pipe (107) are respectively arranged at two ends of the movable cross beam cooling channel;
a medium tank outlet of the cooling medium tank (400) communicates with the fixed beam inlet pipe (108) and the movable beam inlet pipe (106) to supply a cooling medium to the fixed beam cooling passage and the movable beam cooling passage.
2. The grate drive mechanism cooling system of claim 1 wherein the fixed beam outlet pipe (109) and the movable beam outlet pipe (107) communicate with a sump (500) or the coolant tank (400) to drain coolant into the sump (500) or the coolant tank (400).
3. The grate drive mechanism cooling system of claim 1 wherein adjacent two of the fixed cross members (103) are interconnected by a housing waterway (1011) opening into the grate housing (101); and/or
Two adjacent movable cross beams (104) are communicated through a movable cross beam communicating pipe (105).
4. The grate driving mechanism cooling system of claim 3 wherein the fixed beam inlet pipe (108), the fixed beam outlet pipe (109), the movable beam inlet pipe (106), the movable beam outlet pipe (107), and the movable beam communication pipe (105) are all metal hoses.
5. The grate drive mechanism cooling system of claim 1, further comprising:
a fixed beam control valve (140) connected in series on the line between the outlet of the media tank and the fixed beam inlet pipe (108) to regulate the flow of cooling media into the fixed beam (103); and
a movable beam control valve (150) connected in series on the conduit between the media tank outlet and the movable beam inlet tube (106) to regulate the flow of cooling medium into the movable beam (104).
6. The grate drive mechanism cooling system of claim 5 wherein the fixed beam control valve (140) and the movable beam control valve (150) are both automatic control valves;
the row beam module (100) further comprises:
a fixed beam temperature sensor (110) for detecting the cooling medium temperature at the fixed beam outlet tube (109);
a movable beam temperature sensor (120) for detecting a cooling medium temperature at the movable beam outlet pipe (107);
the first control system is used for controlling the opening value of the fixed beam control valve (140) to be an initial opening value when the temperature detected by the fixed beam temperature sensor (110) is smaller than or equal to a first preset temperature threshold value, and increasing the opening value of the fixed beam control valve (140) when the temperature detected by the fixed beam temperature sensor (110) is larger than the first preset temperature threshold value; the first control system is used for controlling the opening value of the movable beam control valve (150) to be an initial opening value when the temperature detected by the movable beam temperature sensor (120) is smaller than or equal to a second preset temperature threshold value, and increasing the opening value of the movable beam control valve (150) when the temperature detected by the movable beam temperature sensor (120) is larger than the second preset temperature threshold value.
7. The grate drive mechanism cooling system of claim 6 wherein the first control system further comprises a manual mode in which the opening values of the fixed beam control valve (140) and the movable beam control valve (150) are manually adjustable on a control panel of the first control system; and/or the presence of a gas in the gas,
the control panel of the first control system is used for displaying the temperatures measured by the fixed beam temperature sensor (110) and the movable beam temperature sensor (120) and the opening values of the fixed beam control valve (140) and the movable beam control valve (150).
8. The grate drive mechanism cooling system of any one of claims 1-7 further comprising a drive shaft mechanism (200), the drive shaft mechanism (200) comprising:
the driving shaft (201) is connected with the driving beam (102) through a crank (204) to drive the driving beam (102) to move, and the driving shaft (201) is a hollow shaft;
a drive shaft inlet pipe (205) communicating with one end of the drive shaft (201);
a drive shaft outlet pipe (206) communicating with the other end of the drive shaft (201);
a medium tank outlet of the cooling medium tank (400) communicates with the drive shaft inlet pipe (205) to supply a cooling medium into the drive shaft (201).
9. The grate drive mechanism cooling system of claim 8 wherein the drive shaft outlet pipe (206) communicates with a sump (500) or the coolant tank (400) to drain coolant into the sump (500) or the coolant tank (400).
10. The grate drive mechanism cooling system of claim 8 wherein the drive shaft inlet pipe (205) and the drive shaft outlet pipe (206) communicate with the drive shaft (201) through a swivel (203).
11. The grate drive mechanism cooling system of claim 8 wherein the drive shaft inlet pipe (205) and the drive shaft outlet pipe (206) are both metal hoses.
12. The grate drive mechanism cooling system of claim 8, further comprising:
a drive shaft control valve (230) connected in line between the media tank outlet and the drive shaft inlet pipe (205) to regulate the flow of cooling medium into the drive shaft (201).
13. The grate drive mechanism cooling system of claim 12 wherein the drive shaft control valve (230) is an automatic control valve;
the drive shaft mechanism (200) further includes:
a drive shaft temperature sensor (210) for detecting a cooling medium temperature at the drive shaft outlet pipe (206);
and the second control system is used for controlling the opening value of the driving shaft control valve (230) to be an initial opening value when the temperature detected by the driving shaft temperature sensor (210) is less than or equal to a third preset temperature threshold value, and increasing the opening value of the driving shaft control valve (230) when the temperature detected by the driving shaft temperature sensor (210) is greater than the third preset temperature threshold value.
14. The grate drive mechanism cooling system of claim 13 wherein the second control system further comprises a manual mode in which the opening of the drive shaft control valve (230) is manually adjustable on a control panel of the second control system; and/or the presence of a gas in the gas,
the control panel of the second control system is used for displaying the temperature measured by the driving shaft temperature sensor (210) and the opening value of the driving shaft control valve (230).
15. The grate drive mechanism cooling system of claim 8 further comprising a ram mechanism (300), the ram mechanism (300) being configured to drive the crank (204) in an oscillating motion, comprising:
the piston rod (301) is hinged with the crank (204), and the piston rod (301) is provided with a piston rod hollow cavity;
a piston rod inlet pipe (308) communicated with one end of the piston rod hollow cavity;
a piston rod outlet pipe (307) communicated with the other end of the piston rod hollow cavity;
a medium tank outlet of the cooling medium tank (400) communicates with the piston rod inlet pipe (308) to supply a cooling medium into the piston rod (301).
16. The grate drive mechanism cooling system of claim 15 wherein the piston rod outlet pipe (307) communicates with a sump (500) or the coolant tank (400) to drain coolant into the sump (500) or the coolant tank (400).
17. The grate drive mechanism cooling system of claim 15 wherein the piston rod inlet tube (308) and the piston rod outlet tube (307) are both metal hoses.
18. The grate drive mechanism cooling system of claim 15, further comprising:
a piston rod control valve (330) connected in series in the line between the media tank outlet and the piston rod inlet tube (308) to regulate the flow of cooling medium into the piston rod (301).
19. The grate drive mechanism cooling system of claim 18 wherein the piston rod control valve (330) is an automatic control valve;
the cylinder mechanism (300) further includes:
a piston rod temperature sensor (310) for detecting a cooling medium temperature at the piston rod outlet tube (307);
and the third control system is used for controlling the opening value of the piston rod control valve (330) to be an initial opening value when the temperature detected by the piston rod temperature sensor (310) is less than or equal to a fourth preset temperature threshold value, and increasing the opening value of the piston rod control valve (330) when the temperature detected by the piston rod temperature sensor (310) is greater than the fourth preset temperature threshold value.
20. The grate drive mechanism cooling system of claim 19 wherein the third control system further comprises a manual mode in which the opening of the piston rod control valve (330) is manually adjustable on a control panel of the third control system; and/or the presence of a gas in the gas,
the control panel of the third control system is used for displaying the temperature measured by the piston rod temperature sensor (310) and the opening value of the piston rod control valve (330).
21. The grate drive mechanism cooling system of any one of claims 1-7 and 9-20 wherein the coolant tank (400) further includes a blowdown line having a blowdown valve disposed thereon.
22. An incinerator comprising a grate drive mechanism cooling system as claimed in any one of claims 1 to 21.
CN202210633198.1A 2022-06-07 2022-06-07 Grate actuating mechanism cooling system and burn burning furnace Pending CN114877345A (en)

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PCT/CN2022/138545 WO2023236482A1 (en) 2022-06-07 2022-12-13 Grate driving mechanism cooling system and incinerator

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WO2023236482A1 (en) * 2022-06-07 2023-12-14 上海康恒环境股份有限公司 Grate driving mechanism cooling system and incinerator

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JP2002349833A (en) * 2001-05-25 2002-12-04 Kubota Corp Fire grate cooling mechanism
CN102721067B (en) * 2012-07-11 2015-01-14 光大环保科技发展（北京）有限公司 Water-cooling reciprocating multistage hydraulic mechanical grate furnace
CN107940481A (en) * 2017-12-12 2018-04-20 上海康恒环境股份有限公司 The water-cooled grate in water route is arranged on fire grate beam
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CN114877345A (en) * 2022-06-07 2022-08-09 上海康恒环境股份有限公司 Grate actuating mechanism cooling system and burn burning furnace

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023236482A1 (en) * 2022-06-07 2023-12-14 上海康恒环境股份有限公司 Grate driving mechanism cooling system and incinerator

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