CN108356520B - Manufacturing process of normal pressure heating furnace and normal pressure heating furnace manufactured by same - Google Patents
Manufacturing process of normal pressure heating furnace and normal pressure heating furnace manufactured by same Download PDFInfo
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- CN108356520B CN108356520B CN201810313081.9A CN201810313081A CN108356520B CN 108356520 B CN108356520 B CN 108356520B CN 201810313081 A CN201810313081 A CN 201810313081A CN 108356520 B CN108356520 B CN 108356520B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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Abstract
The invention discloses a manufacturing process of an atmospheric heating furnace and the atmospheric heating furnace manufactured by the process, which solves the problems that the atmospheric heating furnace is often transported to the site of a device after being manufactured in a manufacturing plant, and the site construction has the defects of long construction period, difficult control of equipment quality and the like, and the technical scheme has the key points that: the method comprises the following steps: installing a radiant tube on the inner side of the normal-pressure heating furnace body; installing a radiation-to-convection flue; furnace bottom, radiant to convection flue lining; carrying out furnace drying operation on the heating furnace; a convection module is arranged; installing a chimney; welding heat treatment of the transfer line; carrying the heating furnace; the convection module is installed with the frame; carrying out integral hydrostatic test; the outer surface treatment and identification, the manufacturing process of the normal pressure heating furnace and the normal pressure heating furnace manufactured by the process improve the assembly efficiency of the normal pressure heating furnace, and reduce the corresponding construction period under the condition of ensuring the quality of equipment.
Description
Technical Field
The invention relates to a manufacturing process of an atmospheric heating furnace and the atmospheric heating furnace manufactured by the process.
Background
The atmospheric heating furnace is a heating device in the atmospheric distillation process. The high-temperature flame and the smoke generated by burning the fuel in the hearth are used as pyrogens, and the desalted and dehydrated crude oil flowing in the furnace tube is heated through the tube wall of the furnace tube to reach the required temperature. The importance of atmospheric furnaces is represented by the fact that their energy consumption, capital investment and pollution problems all occupy a considerable place in the distillation plant.
The existing normal pressure heating furnace is often transported to the site of the device after being manufactured in a manufacturing factory, and the defects of long construction period, difficult control of equipment quality and the like exist in site construction, and the existing normal pressure heating furnace also has an improved space.
Disclosure of Invention
The invention aims to provide a manufacturing process of an atmospheric heating furnace, which improves the assembly efficiency of the atmospheric heating furnace and greatly reduces the corresponding construction period under the condition of ensuring the quality of equipment.
The technical purpose of the invention is realized by the following technical scheme:
a manufacturing process of an atmospheric heating furnace comprises the following steps:
s100, prefabricating all modules and radiation fragments required by the heating furnace body, and assembling to form the normal-pressure heating furnace body;
s200, mounting a radiant tube on the inner side of the normal-pressure heating furnace body;
s300, installing a radiation-to-convection flue;
s400, furnace bottom and liner of the radiation-to-convection flue;
s500, mounting a main burner positioned at the bottom of the furnace;
s600, carrying out furnace drying operation on the heating furnace;
s700, mounting a convection module;
s800, mounting a chimney;
s900, performing oil transfer line welding heat treatment;
s1000, carrying the heating furnace;
s1100, mounting the convection module with an auxiliary frame;
s1200, carrying out an integral hydraulic test;
and S1300, outer surface processing and marking.
By adopting the scheme, the production efficiency of the heating furnace is improved through the modularized production and assembly of the heating furnace, the stability of the heating furnace during transportation is improved by combining the frame of the heating furnace and the installation of the ladder platform, and the efficiency of assembling the heating furnace and reaching the required position is improved by combining the frame and the ladder platform.
Preferably, S200 specifically includes the steps of:
s210: placing the radiant tube on a furnace tube hook, wherein the furnace tube hook comprises a positioning seat fixedly connected to the inner side wall of the normal-pressure heating furnace, a first hook claw fixedly connected with the positioning seat and a second hook claw fixedly connected with the positioning seat;
s220: the radiant tubes placed on the first hook grab and the second hook grab are connected through an elbow.
By adopting the scheme, the stability of the radiant tube during placement is ensured through the arrangement of the first hook claw, the second hook claw and the positioning seat.
Preferably, S500 specifically includes the steps of:
s510: placing a pre-installed main burner at the bottom of the furnace;
s520: distance detection is carried out through a plurality of distance sensors which are annularly arranged on the main fire nozzle;
s530: when the distances detected by the distance sensors are the same, the main nozzles are judged to reach the center position of the furnace bottom, and the main nozzles are installed.
By adopting the scheme, whether the main nozzles can be accurately judged through the distance sensor to be installed at the center position of the furnace bottom or not, and the main nozzles are installed at the center position of the furnace bottom, so that more heat can be discharged into the convection flue when the main nozzles are used for flaming, and the heating efficiency is improved.
Preferably, S500 specifically includes the steps of:
s610: preparing;
s620: heating the furnace;
s630: igniting the furnace;
s640: baking the furnace;
s650: and (5) cooling.
By adopting the scheme, the heating furnace is convenient to carry out furnace drying operation through the process.
Preferably, S610 specifically includes the following steps:
s611: the surrounding environment of the heating furnace is sanitary and clean, and no inflammable and explosive materials exist;
s612: the single blower is qualified in trial operation;
s613: igniting the feed gas to the hearth for later use;
s614: closing the explosion door and the observation hole, and sealing the manhole;
s615: the instrument wind system, the gas system and the control system are normally used;
s616: and (4) a blind plate required by the conduction and blind guide process flow.
By adopting the scheme, the environment around the heating furnace is ensured to be suitable for the heating furnace to carry out furnace drying, and the heating furnace enters preparation work by adjusting some relevant equipment parameters.
Preferably, S630 specifically includes the following steps:
s631: adjusting the opening of a flue baffle, and opening a natural ventilation door to control the negative pressure of a hearth to be-10 to-20 pa;
s632: slowly opening a fire-fighting steam valve of the hearth, purging the hearth, closing a chimney after the chimney sees steam for 10min, and purging by using compressed air;
s633: analyzing the combustible gas content of the hearth to be less than 0.5 percent;
s634: removing a heating furnace fuel gas line blind plate, introducing fuel gas to the front of the heating furnace, opening a gate valve for removing a torch at a high point of the heating furnace, replacing for 10min with the fuel gas, and analyzing that the oxygen content in the fuel gas is less than 0.5%;
s635: stopping blowing and sweeping steam;
s636: igniting;
s637: controlling the fuel gas amount of the pilot burner, increasing the outlet temperature of the heating furnace to 150 ℃ at the speed of 5-7 ℃/h, and keeping the temperature for 24 h.
By adopting the scheme, the temperature during oven drying can be ensured not to be too high through the steps, so that the oven drying effect is influenced.
Preferably, S1000 specifically includes the steps of:
s1010: inserting the industrial logistics carrying forklift into a gap between a plurality of support legs of the atmospheric pressure furnace;
s1020: the logistics carrying forklift is rotated to be inserted among the plurality of support legs, so that the normal-pressure heating furnace is turned over and is contained in the logistics carrying forklift;
s1030: and (4) carrying the normal-pressure heating furnace to a required position through a logistics carrying forklift.
By adopting the scheme, the normal pressure heating furnace can be rapidly moved to a required position when needing to be moved.
Preferably, S1100 specifically includes the steps of:
s1110: hanging the auxiliary frame beside the convection module;
s1120: and drilling a connecting plate on the furnace body by using a hollow drill on site according to the drilled bolt hole on the auxiliary frame, and then screwing the bolt.
By adopting the scheme, the stability of the heating furnace during transportation and placement can be ensured by installing the auxiliary frame and the convection module.
The invention also aims to provide the normal pressure heating furnace manufactured by the normal pressure heating furnace manufacturing process, which can greatly improve the stability of the radiant tube in the normal pressure heating furnace when being placed.
The utility model provides an ordinary pressure heating furnace that ordinary pressure heating furnace manufacturing process was made, includes the ordinary pressure heating furnace body, the ordinary pressure heating furnace body is in the below fixedly connected with radiant tube of its inside wall, characterized by: the normal pressure heating furnace is vertically and fixedly connected with a plurality of positioning seats along the height direction of the inner side wall of the normal pressure heating furnace, and the centers and the bottoms of the positioning seats are respectively and fixedly connected with a first hook claw and a second hook claw which are used for clamping the radiant tube.
By adopting the scheme, the radiant tube can be conveniently and reasonably supported by the positioning seat and the first hook connected to the positioning seat, and the second hook connected to the positioning seat is used for grabbing, so that the stability of the radiant tube during placement is ensured.
Preferably, the first hook claw and the second hook claw are in arc transition with the same radian as the outer end face of the radiant tube on one side supporting the radiant tube.
By adopting the scheme, the first hook and the second hook are in arc transition with the same radian as the outer end face of the radiant tube, so that the contact area between the first hook and the radiant tube can be increased, and the stability of the radiant tube during placement is indirectly improved.
In conclusion, through the modularized production and assembly of the heating furnace, the production efficiency of the heating furnace is improved, the stability of the heating furnace during transportation is improved by combining the frame of the heating furnace and the installation of the ladder platform, and the efficiency of assembling the heating furnace and reaching a required position is improved by combining the frame and the ladder platform.
Drawings
FIG. 1 is a schematic view of the structure of an atmospheric heating furnace manufactured by the process for manufacturing the atmospheric heating furnace;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a first system block diagram of an atmospheric heating furnace manufactured by the process for manufacturing the atmospheric heating furnace;
FIG. 4 is a second block diagram of the system of the atmospheric heating furnace manufactured by the process for manufacturing the atmospheric heating furnace;
FIG. 5 is an overall system block diagram of a process for manufacturing an atmospheric heating furnace;
FIG. 6 is a system block diagram of S200;
FIG. 7 is a system block diagram of S600;
FIG. 8 is a system block diagram of S610;
fig. 9 is a system block diagram of S620;
fig. 10 is a system block diagram of S640;
fig. 11 is a system block diagram of S650 and S900.
In the figure: 1. a normal pressure heating furnace body; 2. a radiant tube; 3. positioning seats; 4. a first hook catch; 5. a second hook catch; 6. and (3) a support leg.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 5, the manufacturing process of the atmospheric heating furnace comprises the following steps: s100, prefabricating all modules and radiation fragments required by the heating furnace body, and assembling to form the normal-pressure heating furnace body; s200, mounting the radiant tube 2 on the inner side of the normal-pressure heating furnace body; s300, installing a radiation-to-convection flue; s400, furnace bottom and liner of the radiation-to-convection flue; s500, mounting a main burner positioned at the bottom of the furnace; s600, carrying out furnace drying operation on the heating furnace; s700, mounting a convection module;
s800, mounting a chimney; s900, performing oil transfer line welding heat treatment; s1000, carrying the heating furnace;
s1100, mounting the convection module with an auxiliary frame; s1200, carrying out an integral hydraulic test; and S1300, outer surface processing and marking.
The S100 comprises the following steps of firstly, prefabricating in a factory: each module and each radiation fragmentation factory are prefabricated; step two, foundation treatment: processing the base according to the design drawing, marking and lofting the position of the support on the cement base after the base is maintained to be qualified, and then placing the support on the cement base; step three, radiation slicing lining: conveying the radiation fragments prefabricated in a factory to an assembly site, placing the radiation fragments around a furnace body, and lining the radiation fragments except the radiation convection flue; step four, furnace bottom installation: hoisting the furnace bottom on the support, and checking the installation elevation and the flatness of the furnace bottom after the furnace bottom is hoisted in place; step five, installing an end wall on one side: respectively hanging one side end wall of two furnace chambers into a furnace bottom die block, adjusting the positions of the end walls, detecting the verticality of the end walls and the furnace bottom by a suspension wire drop method, fixing the end walls and the furnace bottom by spot welding, arranging a cable wind rope outside the furnace walls by using a lifting lug on the end walls to be fixed on a ground anchor point, arranging the cable wind rope inside the furnace walls, fixing the cable wind rope on a lifting lug plate on the furnace bottom in a mode of welding a temporary lifting lug at the interface between the upper part of the end walls and the furnace top, drilling bolt holes of a furnace bottom module according to the opened bolt holes on the end walls by using a hollow drill on a block connecting surface, and then screwing bolts which are not required to be screwed so as to carry out size adjustment on a furnace chamber steel structure subsequently; step six, connecting the section steel between the inner side wall and the inner side wall, and installing the inner side wall furnace tube: after hoisting and fixing the inner side walls of each sheet in place, installing the connecting section steel between the inner side walls in place, and then installing the furnace tubes on the inner side walls in place; seventhly, installing the outer side wall and the outer side wall furnace tube: after the outer side wall is hoisted in place and installed and fixed, the outer side wall furnace tube is then installed in place; step eight, installing the end wall at the other side: hanging and installing the end walls at the other sides of the two furnace chambers, and arranging a guy rope; ninth, mounting a furnace top module: when the furnace top module is installed, the tubular lifting lug arranged on the vertical shaft is used for hoisting in place, after the position is adjusted, the connecting surface is electrically welded, a hollow drill is used for drilling bolt holes on the side wall and the end wall according to the opened bolt hole of the furnace top module on the interface, and the bolt is screwed down;
as shown in fig. 6, S200 includes S210 and S220, and S210: placing a radiant tube (2) on a furnace tube hook, wherein the furnace tube hook comprises a positioning seat (3) fixedly connected to the inner side wall of the normal-pressure heating furnace, a first hook claw (4) fixedly connected with the positioning seat (3), and a second hook claw (5) fixedly connected with the positioning seat (3); s220: the radiant tubes (2) placed on the first hook claw (4) and the second hook claw (5) are connected through an elbow.
Wherein, S300 radiation changes convection current flue installation: and hoisting the radiation-convection flue in place, adjusting angle steel flange rings at two ends of the radiation-convection flue during installation, screwing bolts on the angle steel flanges after the position is adjusted, performing seal welding between interfaces, and welding the angle steel flange rings on the radiation-convection flue with the wall plate.
Wherein, S400 furnace bottom, radiation convection flue lining: lining the furnace bottom, filling ceramic fiber blankets at the slicing surfaces and adhering the ceramic fiber blankets by using sealing glue, and simultaneously, filling the radiation-to-convection flue;
wherein, S500 specifically comprises the following steps: s510: placing a pre-installed main burner at the bottom of the furnace; s520: distance detection is carried out through a plurality of distance sensors which are annularly arranged on the main fire nozzle;
s530: when the distances detected by the distance sensors are the same, the main nozzles are judged to reach the center position of the furnace bottom, and the main nozzles are installed.
As shown in fig. 7, S600 specifically includes the following steps S610: preparing; s620: heating the furnace; s630: igniting the furnace; s640: baking the furnace; s650: and (5) cooling.
As shown in fig. 8, S610 prepares for work: s611: the surrounding environment of the heating furnace is sanitary and clean, and no inflammable and explosive materials exist; s612: the single blower is qualified in trial operation; s613: igniting the feed gas to the hearth for later use; s614: closing the explosion door and the observation hole, and sealing the manhole; s615: the instrument wind system, the gas system and the control system are normally used; s616: and (4) a blind plate required by the conduction and blind guide process flow.
S620, heating the furnace; 1. closing the air door of the heating furnace; 2. flue damper openings 1/3-1/6; 3. the flow path is improved and comprises A1 and B1, wherein A1:1.0Mpa steam → 3/4 of a heat exchanger → a furnace → a tower inlet flange is subjected to drainage and condensation, and B1: the radiation section is 1.0Mpa steam → the furnace outlet → the tower inlet flange, ‚ convection section, 1.0Mpa steam → the furnace superheated steam outlet is emptied; 4. introducing steam into the furnace tube of the heating furnace to control the steam quantity. Increasing the temperature of the outlet of the heating furnace to 150 ℃ at the speed of 5-7 ℃/h (if the temperature is not reached, turning on a light); 5. keeping the temperature for 24 hours.
As shown in fig. 9, S630 point furnace: s631: adjusting the opening of a flue baffle, and opening a natural ventilation door to control the negative pressure of a hearth to be-10 to-20 pa; s632: slowly opening a fire-fighting steam valve of the hearth, purging the hearth, closing a chimney after the chimney sees steam for 10min, and purging by using compressed air; s633: analyzing the combustible gas content of the hearth to be less than 0.5 percent; s634: removing a heating furnace fuel gas line blind plate, introducing fuel gas to the front of the heating furnace, opening a gate valve for removing a torch at a high point of the heating furnace, replacing for 10min with the fuel gas, and analyzing that the oxygen content in the fuel gas is less than 0.5%; s635: stopping blowing and sweeping steam; s636: igniting; s637: controlling the fuel gas amount of the pilot burner, increasing the outlet temperature of the heating furnace to 150 ℃ at the speed of 5-7 ℃/h, and keeping the temperature for 24 h.
As shown in fig. 10, S640 oven: s641: heating according to a heating curve; s642: if the temperature of the pilot burner is not 150 ℃ after the pilot burner is ignited, sequentially igniting the main burner, and simultaneously turning off the gas flow of the pilot burner; s643: adjusting the flame combustion condition and the negative pressure condition; s644: controlling the gas quantity of the main burner to rise; s645: keeping the top temperature of the radiation chamber at 150 ℃ and then keeping the temperature for 24 h; then the temperature is increased to 320 ℃ at the speed of 7-8 ℃/h and is kept constant for 24 h; s646: heating to 500 ℃ at the speed of 7-8 ℃/h, and keeping the temperature for 24 h; s647: and turning on a blower when the exhaust temperature of the chimney is more than 300 ℃.
As shown in fig. 11, S650 cooling: s651: after the constant temperature of 500 ℃ is finished, stopping the blower and reducing the temperature to 150 ℃ at the speed of 14-15 ℃/h; sequentially extinguishing the main burner and the pilot burner and turning off the steam quantity in the furnace pipe; closing all air doors and flue baffles to carry out braising; s652: and when the temperature of the hearth is reduced to be below 100 ℃, opening a natural ventilation door and a flue baffle to carry out natural ventilation cooling.
Wherein, S600 convection module installation: and after the work of the oven is finished, the convection module can be hoisted, the convection module I is hoisted in place firstly during hoisting, the bolt is screwed on the connecting surface after the position is adjusted, and the convection module II and the convection module III are hoisted in sequence in the same way.
Wherein, S700 chimney installation: and after the chimney is hoisted in place, the lower end of the chimney is connected with the convection module.
Wherein, S800 transfer oil line welding heat treatment: and (5) mounting and welding the oil transfer line.
As shown in FIG. 11, in S1000, furnace conveyance S1010: inserting the industrial logistics carrying forklift into a gap between a plurality of support legs of the atmospheric pressure furnace; s1020: the logistics carrying forklift is rotated to be inserted among the plurality of support legs, so that the normal-pressure heating furnace is turned over and is contained in the logistics carrying forklift; s1030: and (4) carrying the normal-pressure heating furnace to a required position through a logistics carrying forklift.
Wherein, S1100 specifically comprises the following steps: s1110: hanging the auxiliary frame beside the convection module; s1120: and drilling a connecting plate on the furnace body by using a hollow drill on site according to the drilled bolt hole on the auxiliary frame, and then screwing the bolt.
Wherein, the S1100 integral hydrostatic test: and performing hydraulic test according to the hydraulic test requirement.
Wherein, the outer surface treatment and identification of S1200: and coating finish paint and marks on the outer surface of the furnace body.
As shown in fig. 1 and 2, the atmospheric heating furnace disclosed in this embodiment includes an atmospheric heating furnace body 1, a lower end of the atmospheric heating furnace body 1 is a radiation section, an upper end is a convection section, in addition, the atmospheric heating furnace body 1 is fixedly connected with a radiation tube 2 below an inner side wall thereof, the radiation tube 2 is used for transporting heat flow from the radiation section to the convection section above the radiation section, and hot gas mainly passes through the radiation tube 2 below the radiation tube to reach above the radiation section.
As shown in fig. 1, the atmospheric heating furnace body 1 is provided with a plurality of support legs 6 at the bottom, and a gap for transporting a forklift is formed between the plurality of support legs 6, so that the whole body facilitates transporting the atmospheric heating furnace to a transport bed, and in addition, the atmospheric heating furnace is provided with an atmospheric radiation section added subframe for supporting a radiation section in the radiation section, and an atmospheric convection section added subframe for supporting a convection section is arranged in the convection section, so that the stability of the atmospheric heating furnace during transportation on a ship is facilitated.
As shown in fig. 2, the normal pressure heating furnace is vertically and fixedly connected with a plurality of positioning seats 3 along the height direction of the inner side wall thereof, the positioning seats 3 are respectively and fixedly connected with a first hook claw 4 and a second hook claw 5 for clamping the radiant tube 2 at the center and the bottom thereof, and the first hook claw 4 and the second hook claw 5 are in arc transition with the same radian as the outer end surface of the radiant tube 2 at the side thereof supporting the radiant tube 2.
As shown in fig. 3, since the radiant tube 2 works at a high temperature for a long time, the service life of the radiant tube is not long, and therefore the radiant tube 2 needs to be replaced in time when the service life of the radiant tube is reached, the normal pressure heating furnace further comprises a pressure detection device arranged on the first hook catch 4 and the second hook catch 5 and used for detecting whether the radiant tube 2 is placed, a central processing unit, a timing device, a positioning device used for positioning the position of the pressure detection device, a database of phone numbers of responsible persons storing the position of the positioning device and corresponding phone numbers of the responsible persons, and a short message prompting device, wherein the pressure detection device preferably selects a YLB127 high temperature resistant pressure sensor, the positioning device preferably selects a GPS module, and the short message prompting device preferably selects a short message prompting device.
In order to facilitate the responsible person to see the information sent by the short message prompting device in the first time when receiving the information, the normal pressure heating furnace also comprises a voice prompting device; after the central processing unit sends information through the short message prompting device, the mobile phone numbers of the corresponding responsible persons are synchronously dialed through the voice prompter to prompt the corresponding responsible persons.
The pressure detected by the pressure detection device exceeds the pressure of normal placement of the radiation tube 2 preset by the central processing unit, the central processing unit starts the timing device to calculate the placement time of the radiation tube 2, and when the placement time of the radiation tube 2 reaches the service life of the radiation tube 2 preset by the central processing unit, the position of the pressure detection device fixed by the positioning device is taken as an inquiry object, the phone number of the person in charge matched with the pressure detection device is called in the phone number database of the person in charge, and the information of the position of the radiation tube 2 required to be replaced is sent through the short message prompting device.
The constant-pressure heating furnace also comprises a real-time working state database of the responsible person, which stores the cell phone number of the responsible person and the real-time working state corresponding to the cell phone number in real time, and a related working age database of the responsible person, which stores the responsible person and the related working age of the responsible person corresponding to the responsible person, wherein the real-time working state of the responsible person can be divided into a working state, a rest state and a busy state.
Further, on the premise of ensuring that the person in charge who is notified by the short message prompting device is in a normal working state, the person in charge who is notified has a longer working experience to the greatest extent.
The central processing unit is positioned in the mobile phone number database of the responsible person by the positioning device to call the matched responsible person mobile phone number, and calls the matched responsible person real-time working state in the real-time working state database of the responsible person through the responsible person mobile phone number, selects the responsible person in the working state, and calls the matched responsible person relative working life in the relevant working life database of the responsible person by the responsible person in the working state as a query object, and selects the responsible person corresponding to the longer relative working life as the responsible person notified by the short message prompting device.
Further, under the condition that the fact that the responsible person is informed of the completion of the process is guaranteed, the responsible person close to the radiant tube 2 can be informed in time, mobile phone trackers are arranged on mobile phones of the defined responsible person, the normal-pressure heating furnace further comprises a route planning module and a route length calculating module, the route planning module is used for planning the route, the route planning module takes the position where the responsible person is located as a starting point and the position where the radiant tube 2 is located at the end of the service life as a terminal point, and the route planning module preferably selects the route planner.
And if the working years of the responsible persons called by the central processing unit are the same, selecting the responsible person mobile phone number corresponding to the shortest route length in the route planning route lengths calculated by the route length calculating module as the mobile phone number of the short message prompting device for sending the information.
And if the shortest route length is the same, starting a confirmation module, and loading confirmation information sent by the confirmation module by the central processing unit into a short message prompting device of the mobile phone of the responsible person corresponding to the shortest route length so that the responsible person confirmed firstly serves as a person who finally replaces the radiant tube.
In order to facilitate that a person in charge who receives the information sent by the short message prompting device can arrive in time, the normal pressure heating furnace also comprises a route screenshot module; and the central processing unit intercepts the route planned by the route planning module through the route screenshot module and loads the route into the information sent by the short message prompting device.
As shown in fig. 4, in addition, in order to remind the responsible person of knowing the replacement mode of the corresponding radiant tube 2, the atmospheric heating furnace further includes a radiant tube replacement step database in which the radiant tube replacement step is stored; the central processing unit calls the replacement steps of the radiant tube in the database of the replacement steps of the radiant tube and loads the replacement steps of the radiant tube in the information sent by the short message prompting device.
In addition, in order to facilitate the responsible person to know some cautions in replacing the radiant tube, the normal pressure heating furnace also comprises a radiant tube replacement cautions database storing the radiant tube replacement cautions; the central processing unit calls the radiant tube replacement notice items in the radiant tube replacement notice item database and loads the radiant tube replacement notice items in the information sent by the short message prompting device.
In addition, the normal pressure heating furnace also comprises a marking module; the central processing unit marks the change notice of the radiant tube by a marking module and loads the change notice into the information sent by the short message prompting device.
The overall process is as follows:
whether the radiant tube 2 is placed on the first hook claw 4 or the second hook claw 5 or not is detected through the pressure detection device, the placing time of the radiant tube 2 placed on the first hook claw 4 or the second hook claw 5 is timed through the timing device, when the timing time reaches the service life preset by the central processing unit, a corresponding responsible person is obtained by calling the responsible person cellphone database, the responsible person in a normal working state can be further obtained through the responsible person working state database, and the responsible person with a longer working life can be selected to be notified through the short message prompting device by combining the responsible person relative working life database.
And when the working years are the same, the staff with the closer distance can be further screened out through the route planning module and the route calculation module, even if the same distance condition occurs, the staff with the quicker response can be screened out through the confirmation module to select for actually replacing the radiant tube, and in addition, the corresponding route of the responsible person can be screened out through the route screenshot module to the corresponding responsible person.
When the short message notification device notifies a worker, the corresponding responsible person can be well reminded through the radiant tube replacement notice database and the radiant tube replacement step database, meanwhile, the notice in the database can be marked by combining the marking module to be seen by the responsible person, and when the short message notification device sends information, the voice prompt device can synchronously prompt the responsible person to see the information in time.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (2)
1. The utility model provides an ordinary pressure heating furnace that ordinary pressure heating furnace manufacturing process was made, includes ordinary pressure heating furnace body (1), ordinary pressure heating furnace body (1) is in the below fixedly connected with radiant tube (2) of its inboard wall, characterized by: the normal pressure heating furnace is vertically and fixedly connected with a plurality of positioning seats (3) along the height direction of the inner side wall of the normal pressure heating furnace, and the centers and the bottoms of the positioning seats (3) are respectively and fixedly connected with a first hook claw (4) and a second hook claw (5) which are used for clamping the radiant tube (2);
the normal-pressure heating furnace also comprises a pressure detection device, a central processing unit, a timing device, a positioning device, a responsible person mobile phone number database and a short message prompting device, wherein the pressure detection device is arranged on the first hook claw (4) and the second hook claw (5) and used for detecting whether the radiant tube (2) is placed or not, the positioning device is used for positioning the position of the pressure detection device, the responsible person mobile phone number database stores the position of the positioning device and the corresponding responsible person cell phone number;
the pressure detected by the pressure detection device exceeds the pressure of normal placement of the radiant tube (2) preset by the central processing unit, the central processing unit starts the timing device to calculate the placement time of the radiant tube (2), and when the placement time of the radiant tube (2) reaches the service life of the radiant tube (2) preset by the central processing unit, the position of the pressure detection device fixed by the positioning device is taken as an inquiry object, a responsible person mobile phone number matched with the position of the pressure detection device is called in a responsible person mobile phone number database, and information of the position where the radiant tube (2) needs to be replaced is sent through the short message prompting device;
the constant-pressure heating furnace also comprises a real-time working state database of the responsible person, a relevant working age database of the responsible person, and a real-time working state database of the responsible person, wherein the real-time working state database of the responsible person is used for storing the cell phone number of the responsible person and the real-time working state corresponding to the cell phone number in real time;
the central processing unit is positioned in a mobile phone number database of the responsible person by the positioning device to call the matched responsible person mobile phone number, and calls the matched responsible person real-time working state in a real-time working state database of the responsible person through the responsible person mobile phone number, selects the responsible person in the working state, and calls the matched responsible person relative working life in a relevant working life database of the responsible person by a responsible person query object in the working state, and selects the responsible person corresponding to the longer relative working life as the responsible person notified by the short message prompting device;
the mobile phone trackers are arranged on the mobile phones of the defined responsible persons, the normal-pressure heating furnace further comprises a route planning module and a route length calculating module, wherein the route planning module is used for planning by taking the position of the responsible person as a starting point and the position of the radiation tube (2) with the expired service life as a terminal point, and the route length calculating module is used for calculating the length of the planned route of the route planning module;
and if the working years of the responsible persons called by the central processing unit are the same, selecting the responsible person mobile phone number corresponding to the shortest route length in the route planning route lengths calculated by the route length calculating module as the mobile phone number of the short message prompting device for sending the information.
2. An atmospheric heating furnace manufactured by the atmospheric heating furnace manufacturing process according to claim 1, characterized in that: the first hook claw (4) and the second hook claw (5) are in arc transition with the same radian as the outer end face of the radiant tube (2) on one side supporting the radiant tube (2).
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| CN201810313081.9A CN108356520B (en) | 2018-04-09 | 2018-04-09 | Manufacturing process of normal pressure heating furnace and normal pressure heating furnace manufactured by same |
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| CN108356520B true CN108356520B (en) | 2020-04-07 |
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