Maintenance teaching device for chemical equipment

Abstract

The invention discloses an overhaul teaching device for chemical equipment. The overhaul teaching device comprises a supporting base and a support arranged over the supporting base through a supporting column. Wherein a reaction kettle, a feeding pump, a reboiler, a rectifying tower, a kettle liquid pump, a gas-liquid reflux pump, a tower bottom product tank and a tower top product tank are arranged on the supporting base in a limiting manner; a condenser and a return tank are arranged on the bracket; the supporting base and the support are each provided with an electric control positioning mechanism used for conducting inserting and positioning on the movable base. According to the invention, the electronic control positioning mechanism is used for positioning the chemical equipment, so that practical training personnel can select and equip the equipment autonomously; and by virtue of the detachable threaded locking structure, the training of assembly and disassembly is facilitated. In addition, magnetic force generated by a coil is utilized to push out and insert the plug-in positioning piece into a positioning sleeve at the bottom of the movable seat, so that the alignment and the positioning of the movable seat which is externally placed are realized.

Description

Technical Field

[0001] The invention relates to the technical field of chemical equipment and chemical process, and in particular to a maintenance teaching device for chemical equipment. Background Art

[0002] Chemical equipment is an important support for chemical production. To ensure long-term continuous operation of production, a large number of application-oriented professionals engaged in the maintenance, overhaul and manufacturing of chemical machinery and equipment are needed. According to statistics, the supply-demand ratio of chemical equipment installation, overhaul, management and manufacturing positions is about 1:4. There is an urgent need to cultivate a large number of high-quality and advanced skilled chemical equipment manufacturing, installation, overhaul and management talents. Situational teaching is an effective way to improve the quality of talent training. Various colleges and universities have successively built a large number of chemical equipment training sites, but there is a certain gap between the overhaul and maintenance of real factories, which makes it difficult to meet the needs of various colleges and universities for chemical equipment talent training and enterprise employee training.

[0003] At present, the main teaching scenarios of chemical equipment majors are roughly the following: the first is the chemical pipeline disassembly and assembly device, which is to build several sets of exactly the same pipeline disassembly and assembly devices in a spacious classroom, which can simultaneously meet the needs of groups of students to conduct pipeline inspection and maintenance training; the second is the heat exchanger disassembly and assembly device, which is to build several sets of exactly the same floating head heat exchangers installed at a certain height in a spacious classroom, which can simultaneously meet the needs of groups of students to conduct heat exchanger inspection and maintenance training; the third is the tower training device, which is to build several sets of exactly the same tower equipment according to the height of the classroom, which can simultaneously meet the needs of groups of students to conduct tower equipment inspection and maintenance training.

[0004] However, the existing teaching equipment for chemical equipment is relatively fixed in position, which is not convenient for moving and for trainees to operate. Summary of the invention

[0005] The purpose of the present invention is to provide a chemical equipment maintenance teaching device to solve the problem that the position of conventional chemical equipment maintenance teaching devices and chemical equipment professional teaching equipment is relatively fixed, which is not convenient for moving and is not convenient for trainees to operate.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The present invention provides a maintenance teaching device for chemical equipment, comprising a support base, and a bracket arranged directly above the support base through pillars;

[0008] A reaction kettle, a feed pump, a reboiler, a distillation tower, a kettle liquid pump, a gas-liquid reflux pump, a tower bottom product tank and a tower top product tank are arranged on the upper limit of the support base;

[0009] A condenser and a reflux tank are arranged on the support;

[0010] Wherein movable seats are respectively arranged at the bottom of the reactor, feed pump, reboiler, distillation tower, kettle liquid pump, condenser, reflux tank, gas-liquid reflux pump, tower bottom product tank and tower top product tank;

[0011] The support base and the bracket are respectively provided with electric control positioning mechanisms for inserting and positioning the movable seat.

[0012] Further, in this embodiment, the reactor includes a vertical bracket fixed on the movable seat, and a glass reactor or a stainless steel reactor arranged in the vertical bracket; wherein a discharge flange pipe is arranged at the lower end of the glass reactor or the stainless steel reactor; wherein the discharge flange pipe is connected to the liquid inlet of the feed pump through a detachable transparent tube, and the liquid outlet end of the feed pump is connected to the liquid inlet pipe of the reactor liquid pipe through a detachable transparent tube; the detachable transparent tube is a UPVC pipe with a flange interface.

[0013] Furthermore, in this embodiment, the liquid inlet end of the reboiler is connected to the bottom of the distillation tower through a bottom conduit, and the liquid outlet end of the reboiler is connected to the bottom side wall of the distillation tower through a conduit; the bottom of the distillation tower is also connected to the kettle liquid pipe II of the kettle liquid pump through the kettle liquid pipe I, and the kettle liquid pump then transports the bottom product to the bottom product tank through the discharge pipe.

[0014] In this embodiment, the condenser is detachably connected to the exhaust end of the top of the distillation tower through a steam inlet pipe; the liquid outlet end of the condenser is detachably connected to the reflux tank through a liquid discharge pipe;

[0015] The liquid outlet at the lower end of the reflux tank is detachably connected to the inlet end of the gas-liquid reflux pump through a reflux pipe, and the liquid outlet end of the gas-liquid reflux pump introduces the top product into the top product tank through the top product pipe. The gas-liquid reflux pump also introduces the gas into the top of the distillation tower through the gas reflux pipe.

[0016] In this embodiment, a plurality of distillation split seats are detachably provided on the distillation tower;

[0017] The distillation split body seat comprises a cylindrical structure and flanges arranged at the upper and lower ends of the cylindrical structure; wherein multiple layers of retaining rings are arranged in the cylindrical structure, and tower plates are arranged on the retaining rings respectively; the tower plate is a circular porous plate, and the porous plate is provided with a ventilation tube protruding 5-10mm from the end surface of the tower plate; wherein the tower plates are arranged in a staggered manner in the distillation split body seat.

[0018] In this embodiment, the electric control positioning mechanism includes a sleeve disposed in the support base, a plug-in positioning member adapted to be disposed in the sleeve, a coil disposed in the interlayer of the sleeve and surrounding the plug-in positioning member, and a power supply and a controller connected to the coil through a wire; wherein the plug-in positioning member includes a cylindrical magnet and a sleeve sleeved outside the cylindrical magnet;

[0019] A plurality of universal wheels are arranged at the bottom of the movable seat, and a positioning sleeve corresponding to the plug-in positioning piece is also arranged at the bottom.

[0020] Furthermore, in this embodiment, a comparison light is provided on the top of the plug-in positioning member, and a photosensor is provided on the inner bottom of the positioning sleeve. The photosensor is connected to a wireless signal transmitter to trigger the controller to turn on the power supply of the coil.

[0021] Furthermore, in this embodiment, a track for limiting the position of the universal wheel is provided on the support base, and the track includes a straight line groove vertically fixed on the support base, wherein the electric control positioning mechanism is arranged directly below the track.

[0022] Compared with the prior art, the beneficial technical effects of the present invention are:

[0023] In the present invention, the required reaction kettle, feed pump, reboiler, distillation tower, kettle liquid pump, condenser, reflux tank, gas-liquid reflux pump, bottom product tank and top product tank are moved to set positions respectively, and the above chemical equipment is positioned by an electric control positioning mechanism, so that it is convenient for trainees to select and equip themselves; and with the help of the detachable threaded locking structure, it is convenient to carry out assembly and disassembly training.

[0024] In addition, in the present application, a reference light is used to illuminate the inner bottom of the positioning sleeve and trigger the photosensitive sensor, so that the detection signal is instantly sent to the controller by a wireless signal transmitter, and then the coil is triggered to connect to the power supply, and then the magnetic force generated by the coil is used to push the plug-in positioning part out and insert it into the positioning sleeve at the bottom of the movable seat, so as to achieve the external alignment and positioning of the movable seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1 It is a schematic diagram of the main structure of the maintenance teaching device for chemical equipment of the present invention;

[0027] Figure 2 It is a schematic diagram of adjusting the slide seat in the maintenance teaching device of chemical equipment of the present invention;

[0028] Figure 3 It is a schematic diagram of adjusting the slide control in the maintenance teaching device of chemical equipment of the present invention;

[0029] Figure 4 It is a schematic diagram of the structure of a distillation tower in the maintenance teaching device for chemical equipment of the present invention;

[0030] Figure 5 It is a schematic diagram of the distillation split seat in the maintenance teaching device of the chemical equipment of the present invention;

[0031] Figure 6 It is a schematic diagram of the internal cross section of the distillation split seat in the maintenance teaching device of the chemical equipment of the present invention;

[0032] Figure 7 The present invention is a schematic diagram of the track on the support base of the chemical equipment maintenance teaching device.

[0033] Description of the reference numerals: 1, reactor; 11, discharge flange pipe; 2, feed pump; 3, reboiler; 31, tower bottom conduit; 4, distillation tower; 41, kettle liquid pipe I; 42, flange pipe; 43, distillation split seat; 431, connecting flange pipe; 432, retaining ring; 433, tower plate; 44, exhaust pipe; 5, kettle liquid pump; 51, kettle liquid pipe II; 52, tower bottom product tank; 6, condenser; 61, steam inlet pipe; 62, discharge pipe; 7, reflux tank; 71, reflux Flow pipe; 8. Gas-liquid reflux pump; 81. Gas reflux pipe; 82. Tower top product pipe; 83. Tower top product tank; 9. Support base; 91. Jacket; 92. Wire; 93. Controller; 94. Power supply; 95. Coil; 96. Plug-in positioning piece; 97. Control light; 98. Track; 10. Pillar; 11. Bracket; 12. Moving seat; 121. Universal wheel; 122. Positioning sleeve; 123. Photosensitive sensor; 124. Wireless signal transmitter. DETAILED DESCRIPTION

[0034] refer to Figure 1 In this embodiment, a maintenance teaching device for chemical equipment is disclosed, comprising a support base 9, and a bracket 11 installed directly above the support base 9 through a pillar 10; wherein a reactor 1, a feed pump 2, a reboiler 3, a distillation tower 4, a kettle liquid pump 5, a gas-liquid reflux pump 8, and a bottom product tank 52 and a top product tank 83 are installed at the upper limit position on the support base 9; a condenser 6 and a reflux tank 7 are installed on the bracket 11; wherein a movable seat 12 is installed at the bottom of the reactor 1, the feed pump 2, the reboiler 3, the distillation tower 4, the kettle liquid pump 5, the condenser 6, the reflux tank 7, the gas-liquid reflux pump 8, and the bottom product tank 52 and the top product tank 83 respectively; and an electric control positioning mechanism for plugging and positioning the movable seat 12 is installed on the support base 9 and the bracket 11 respectively.

[0035] When in use, the required reactor 1, feed pump 2, reboiler 3, distillation tower 4, kettle liquid pump 5, condenser 6, reflux tank 7, gas-liquid reflux pump 8, bottom product tank 52 and top product tank 83 are moved to set positions respectively, and the above chemical equipment is positioned by an electric-controlled positioning mechanism, so that trainees can choose and equip them independently; and with the help of the detachable threaded locking structure, assembly and disassembly training is facilitated.

[0036] refer to Figure 1 The reactor 1 includes a vertical bracket fixed on the movable seat 12, and a glass reactor or a stainless steel reactor installed in the vertical bracket; wherein a discharge flange pipe 11 is installed at the lower end of the glass reactor or the stainless steel reactor; wherein the discharge flange pipe 11 is connected to the liquid inlet of the feed pump 2 through a detachable transparent tube, and the liquid outlet end of the feed pump 2 is connected to the liquid inlet pipe of the reactor liquid pipe 4 through a detachable transparent tube; the detachable transparent tube is a UPVC pipe with a flange interface; wherein the detachable transparent tube is used to combine and connect various chemical equipment, so that the trainees can intuitively understand the flow direction and state of the chemical working medium in the pipeline.

[0037] refer to Figure 1 The liquid inlet end of the reboiler 3 is connected to the bottom of the distillation tower 4 through a bottom conduit 31, and the liquid outlet end of the reboiler 3 is connected to the bottom side wall of the distillation tower 4 through a conduit; the bottom of the distillation tower 4 is also connected to the kettle liquid pipe II 51 of the kettle liquid pump 5 through the kettle liquid pipe I 41, and the kettle liquid pump 5 then transports the bottom product to the bottom product tank 52 through the discharge pipe.

[0038] The condenser 6 is detachably connected to the exhaust end of the top of the distillation tower 4 through a steam inlet pipe 61; the liquid outlet end of the condenser 6 is detachably connected to the reflux tank 7 through a liquid discharge pipe 62; the liquid outlet at the lower end of the reflux tank 7 is detachably connected to the inlet end of the gas-liquid reflux pump 8 through a reflux pipe 71, the liquid outlet end of the gas-liquid reflux pump 8 introduces the top product into the top product tank 83 through the top product pipe 82, and the gas-liquid reflux pump 8 also introduces the gas into the top of the distillation tower 4 through the gas reflux pipe 81.

[0039] refer to Figure 2The electric control positioning mechanism includes a sleeve 91 installed in the support base 9, a plug-in positioning piece 96 adapted to be installed in the sleeve 91, a coil 95 installed in the interlayer of the sleeve 91 and surrounding the plug-in positioning piece 96, a power supply 94 and a controller 93 connected to the coil 95 through a wire 92; wherein the plug-in positioning piece 96 includes a cylindrical magnet and a sleeve sleeved outside the cylindrical magnet; wherein a plurality of universal wheels 121 are installed at the four corners of the bottom of the movable seat 12, wherein the universal wheel 121 can also be a screw locking universal wheel, and a positioning sleeve 122 corresponding to the plug-in positioning piece 96 is also installed at the bottom thereof, so that the power supply is used to connect the coil 95, and the magnetic force generated after the coil 95 is energized is used to push out the plug-in positioning piece 96 with a built-in magnet, and it is stuck in the positioning sleeve 122, so as to realize the positioning of the movable seat 12.

[0040] refer to Figure 3 A comparison light 97 is installed on the top of the plug-in positioning member 96, and a photosensor 123 is installed on the inner bottom of the positioning sleeve 122. The photosensor 123 is connected to a wireless signal transmitter 124 to trigger the controller 93 to turn on the power of the coil 95.

[0041] In this embodiment, when in use, the movable seat 12 is pushed on the supporting base 9. Since a reference light 97 is installed on the top of the plug-in positioning member 96 to irradiate upward, when the reference light 97 irradiates the inner bottom of the positioning sleeve 122 and triggers the photosensitive sensor 123, the wireless signal transmitter 124 is used to instantly send the detection signal to the controller 93, and then the coil 95 is triggered to connect with the power supply 94, and then the magnetic force generated by the coil is used to push the plug-in positioning member 96 out and insert it into the positioning sleeve 122 at the bottom of the movable seat 12, so as to realize the external alignment and positioning of the movable seat 12.

[0042] In this embodiment, a main switch is extended from the support base 9 to control the power supply 94 connected to the coil 95. By turning off the main switch, all power supplies 94 connected to the coil 95 are disconnected, so that the plug-in positioning member 96 falls back into the clamping sleeve 91 under the action of gravity.

[0043] refer to Figure 4 , a plurality of distillation split seats 43 are detachably mounted on the distillation tower 4;

[0044] refer to Figure 5 and Figure 6The distillation split body seat 43 includes a cylindrical structure and flanges installed on the upper and lower ends of the cylindrical structure; wherein a multi-layer retaining ring 432 is installed in the cylindrical structure, and tower plates 433 are respectively installed on the retaining rings 432; the tower plate 433 is a circular perforated plate, and a vent pipe protruding 5-10mm from the end surface of the tower plate 433 is installed on the perforated plate; wherein the tower plates 433 are staggeredly installed in the distillation split body seat 43, and when in use, the trainees can disassemble and install them according to needs, which is convenient for understanding the internal structure of the distillation tower;

[0045] refer to Figure 7 , wherein a track 98 for limiting the universal wheel 121 is also provided on the support base 9, and the track 98 includes a straight groove vertically fixed on the support base 9, wherein the electric control positioning mechanism is installed directly below the track 98; wherein the track 98 is used to guide the support base 9, so as to facilitate the translation of the equipment on the support base 9 to the desired position according to needs.

[0046] The above embodiments are only descriptions of the preferred methods of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, various modifications and improvements made to the technical solutions of the invention by ordinary technicians in this field should fall within the protection scope of the claims of the invention.

Claims

1. A chemical equipment maintenance teaching device, characterized in that: It comprises a support base (9) and a bracket (11) arranged directly above the support base (9) via a support column (10); A reaction kettle (1), a feed pump (2), a reboiler (3), a distillation tower (4), a kettle liquid pump (5), a gas-liquid reflux pump (8), a tower bottom product tank (52) and a tower top product tank (83) are arranged at the upper limit of the support base (9); A condenser (6) and a reflux tank (7) are arranged on the support (11); A movable seat (12) is respectively arranged at the bottom of the reactor (1), the feed pump (2), the reboiler (3), the distillation tower (4), the kettle liquid pump (5), the condenser (6), the reflux tank (7), the gas-liquid reflux pump (8), and the bottom product tank (52) and the top product tank (83); An electrically controlled positioning mechanism for inserting and positioning the movable seat (12) is respectively provided on the supporting base (9) and the bracket (11).

2. The chemical equipment maintenance teaching device according to claim 1, characterized in that: The reactor (1) comprises a vertical support fixed on the movable seat (12), and a glass reactor or a stainless steel reactor arranged in the vertical support; wherein a discharge flange pipe (11) is arranged at the lower end of the glass reactor or the stainless steel reactor; wherein the discharge flange pipe (11) is connected to the liquid inlet of the feed pump (2) through a detachable transparent pipe, and the liquid outlet end of the feed pump (2) is connected to the liquid inlet pipe of the reactor liquid pipe (4) through a detachable transparent pipe; and the detachable transparent pipe is a UPVC pipe with a flange interface.

3. The chemical equipment maintenance teaching device according to claim 2, characterized in that: The liquid inlet end of the reboiler (3) is connected to the bottom of the distillation tower (4) through a bottom conduit (31), and the liquid outlet end of the reboiler (3) is connected to the bottom side wall of the distillation tower (4) through a conduit; the bottom of the distillation tower (4) is also connected to the kettle liquid pipe II (51) of the kettle liquid pump (5) through a kettle liquid pipe I (41), and the kettle liquid pump (5) then transports the bottom product to the bottom product tank (52) through a discharge pipe.

4. The chemical equipment maintenance teaching device according to claim 1, characterized in that: The condenser (6) is detachably connected to the exhaust end of the tower top of the distillation tower (4) via a steam inlet pipe (61); the liquid outlet end of the condenser (6) is detachably connected to the reflux tank (7) via a liquid discharge pipe (62); The liquid outlet at the lower end of the reflux tank (7) is detachably connected to the inlet end of the gas-liquid reflux pump (8) via a reflux pipe (71); the liquid outlet end of the gas-liquid reflux pump (8) introduces the tower top product into the tower top product tank (83) via a tower top product pipe (82); and the gas-liquid reflux pump (8) also introduces the gas into the top of the distillation tower (4) via a gas reflux pipe (81).

5. The chemical equipment maintenance teaching device according to claim 1, characterized in that: A plurality of rectification split seats (43) are detachably arranged on the rectification tower (4); The distillation separation seat (43) includes a cylindrical structure and flanges arranged at the upper and lower ends of the cylindrical structure; wherein a plurality of retaining rings (432) are arranged in the cylindrical structure, and tower plates (433) are respectively arranged on the retaining rings (432); the tower plates (433) are a circular porous plate, and the porous plate is provided with a ventilation tube protruding 5-10 mm from the end surface of the tower plate (433); wherein the tower plates (433) are arranged in an alternating manner in the distillation separation seat (43).

6. The chemical equipment maintenance teaching device according to claim 1, characterized in that: The electric control positioning mechanism comprises a sleeve (91) arranged in the support base (9), a plug-in positioning member (96) adapted to be arranged in the sleeve (91), a coil (95) arranged in the interlayer of the sleeve (91) and surrounding the plug-in positioning member (96), a power source (94) and a controller (93) connected to the coil (95) via a wire (92); wherein the plug-in positioning member (96) comprises a cylindrical magnet and a sleeve sleeved outside the cylindrical magnet; A plurality of universal wheels (121) are arranged at the bottom of the movable seat (12), and a positioning sleeve (122) corresponding to the plug-in positioning member (96) is also arranged at the bottom.

7. The chemical equipment maintenance teaching device according to claim 6, characterized in that: A comparison light (97) is arranged on the top of the plug-in positioning member (96), and a photosensor (123) is arranged on the inner bottom of the positioning sleeve (122). The photosensor (123) is connected to a wireless signal transmitter (124) to trigger the controller (93) to connect the power supply of the coil (95).

8. The chemical equipment maintenance teaching device according to claim 6, characterized in that: A track (98) for limiting the position of the universal wheel (121) is also provided on the support base (9), and the track (98) includes a straight line groove vertically fixed on the support base (9), wherein the electric control positioning mechanism is arranged directly below the track (98).

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