CN212068681U - Automatic monitoring device of biodiesel reactor - Google Patents

Abstract

The utility model discloses an automatic monitoring device of a biodiesel reactor, which comprises a reactor body, wherein a temperature control device, a temperature sensor and a pressure sensor are sequentially arranged on the inner wall of the reactor body from bottom to top; the upper end of reactor body communicate respectively that rapeseed oil advances to manage and advance the pipe with methyl alcohol, rapeseed oil advances to manage and installs first solenoid valve, methyl alcohol advances to manage and installs the second solenoid valve, one side of reactor body is equipped with air compressor, air compressor's output intercommunication has the pressure boost pipe. The utility model discloses adjust environmental parameter in real time, confirm that raw materials ratio and reaction are enough even, the staff of being convenient for knows in real time, reduces the use degree of difficulty of reactor.

Description

Automatic monitoring device of biodiesel reactor

Technical Field

The utility model relates to a chemical industry technical field especially relates to an automatic monitoring device of biodiesel reactor.

Background

The biodiesel oil is fatty acid methyl ester or ethyl ester prepared by ester-converting vegetable oil (such as oleum Rapae, soybean oil, peanut oil, corn oil, cottonseed oil, etc.), animal oil (such as fish oil, lard, beef tallow, mutton fat, etc.), waste oil or microbial oil with methanol or ethanol. Biodiesel is a typical 'green energy source', and has the characteristics of good environmental protection performance, good engine starting performance, good fuel performance, wide raw material source, renewability and the like. The vigorous development of the biodiesel has important strategic significance on economic sustainable development, energy source replacement promotion, environmental pressure reduction and urban atmospheric pollution control.

In order to solve the problems of high cost, long reaction time, difficult separation of reaction products and catalysts and the like in the ester exchange reaction, a new process without using the catalyst is developed. In 2001, Sake and Susiana proposed a supercritical one-step process for the preparation of biodiesel. The reaction is carried out in a preheated batch reactor, the reaction temperature is 350-400 ℃, the pressure is 45-65 MPa, and the raw material ratio of the rapeseed oil to the methanol is 1: 42. researches show that the methanol subjected to supercritical treatment can perform transesterification with rapeseed oil in the absence of a catalyst, the yield is higher than that of a common catalytic process, the reaction temperature is lower, and meanwhile, a separation and purification process required by using the catalyst is avoided, so that the transesterification process is simpler, safer and more efficient.

The existing reactor is lack of a real-time automatic monitoring device, and has no judgment basis for proportioning reaction raw materials, controlling environmental parameters, whether the reaction is uniform and the like, so that the normal use of the reactor is not troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the background art and providing an automatic monitoring device of a biodiesel reactor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic monitoring device of a biodiesel reactor comprises a reactor body, wherein a temperature control device, a temperature sensor and a pressure sensor are sequentially arranged on the inner wall of the reactor body from bottom to top, the upper inner wall and the lower inner wall of the reactor body are jointly and fixedly connected with a vertical slide rail, a suspension block is sleeved on the vertical slide rail in a sliding manner, and a distance sensor is arranged on the inner top wall of the reactor body and right above the suspension block; the upper end of the reactor body is respectively communicated with a rapeseed oil inlet pipe and a methanol inlet pipe, the rapeseed oil inlet pipe is provided with a first electromagnetic valve, the methanol inlet pipe is provided with a second electromagnetic valve, one side of the reactor body is provided with an air compressor, the output end of the air compressor is communicated with a pressure increasing pipe, one end of the pressure increasing pipe, far away from the air compressor, is communicated with the inner top of the reactor body, the pressure increasing pipe is provided with a third electromagnetic valve, the middle part of the upper end of the reactor body is fixedly provided with a stirrer, the lower end of the reactor body is respectively communicated with an upper outlet pipe and a lower outlet pipe, the lower end of the upper outlet pipe is communicated with an upper collecting tank, the upper outlet pipe is provided with a fourth electromagnetic valve, the lower end of the lower outlet pipe is communicated with a lower collecting tank, and the lower outlet pipe is; one side of reactor body is equipped with treater, machine controller and display, temperature sensor, pressure sensor, distance sensor, first solenoid valve, second solenoid valve, third solenoid valve, fourth solenoid valve, fifth solenoid valve all with the input electric connection of treater, machine controller, temperature control device, air compressor, display all with the output electric connection of treater.

Preferably, the agitator includes motor and fixed connection at the stirring subassembly of motor output end, motor fixed mounting is in the upper end of reactor body, the stirring subassembly is located the reactor body, and the upper end and the sealed rotation of reactor body of stirring subassembly are connected.

Preferably, the outer surfaces of the upper collecting tank and the lower collecting tank are carved with scale marks.

Preferably, the motor controller is electrically connected with the motor.

Preferably, the specific gravity of the suspension mass is less than that of rapeseed oil or methanol.

Preferably, the temperature control device is a heating pipe.

Compared with the prior art, the automatic monitoring device of the biodiesel reactor has the advantages that:

the environmental parameters are adjusted in real time, the raw material proportion and the reaction are determined to be uniform enough, so that workers can know the raw materials in real time conveniently, and the use difficulty of the reactor is reduced.

Drawings

FIG. 1 is a schematic structural view of an automatic monitoring device for a biodiesel reactor according to the present invention;

fig. 2 is a control block diagram of an automatic monitoring device of a biodiesel reactor according to the present invention.

In the figure: the reactor comprises a reactor body 1, a temperature control device 2, a temperature sensor 3, a pressure sensor 4, a vertical sliding rail 5, a suspension block 6, a distance sensor 7, a rapeseed oil inlet pipe 8, a first electromagnetic valve 9, a methanol inlet pipe 10, a second electromagnetic valve 11, an air compressor 12, a booster pipe 13, a third electromagnetic valve 14, a stirrer 15, an upper outlet pipe 16, a fourth electromagnetic valve 17, an upper collecting tank 18, a lower outlet pipe 19, a fifth electromagnetic valve 20, a lower collecting tank 21, a processor 22, a motor controller 23 and a display 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an automatic monitoring device of a biodiesel reactor comprises a reactor body 1, wherein a temperature control device 2, a temperature sensor 3 and a pressure sensor 4 are sequentially installed on the inner wall of the reactor body 1 from bottom to top, the upper inner wall and the lower inner wall of the reactor body 1 are jointly and fixedly connected with a vertical slide rail 5, a suspension block 6 is sleeved on the vertical slide rail 5 in a sliding manner, the vertical slide rail 5 limits the movement direction of the suspension block 6, a distance sensor 7 is always kept to be positioned right above the suspension block 6, and a distance sensor 7 is installed on the inner top wall of the reactor body 1 and right above the suspension block 6;

the upper end of a reactor body 1 is respectively communicated with a rapeseed oil inlet pipe 8 and a methanol inlet pipe 10, the rapeseed oil inlet pipe 8 is provided with a first electromagnetic valve 9, the methanol inlet pipe 10 is provided with a second electromagnetic valve 11, one side of the reactor body 1 is provided with an air compressor 12, the output end of the air compressor 12 is communicated with a booster pipe 13, one end of the booster pipe 13, which is far away from the air compressor 12, is communicated with the inner top of the reactor body 1, the booster pipe 13 is provided with a third electromagnetic valve 14, the middle part of the upper end of the reactor body 1 is fixedly provided with a stirrer 15, the lower end of the reactor body 1 is respectively communicated with an upper outlet pipe 16 and a lower outlet pipe 19, the lower end of the upper outlet pipe 16 is communicated with an upper collecting tank 18, the upper outlet pipe 16 is provided with a fourth electromagnetic valve 17, the lower end of the lower outlet pipe 19 is communicated with a lower;

one side of reactor body 1 is equipped with treater 22, machine controller 23 and display 24, temperature sensor 3, pressure sensor 4, distance sensor 7, first solenoid valve 9, second solenoid valve 11, third solenoid valve 14, fourth solenoid valve 17, fifth solenoid valve 20 all with treater 22's input electric connection, machine controller 23, temperature control device 2, air compressor 12, display 24 all with treater 22's output electric connection, treater 22 shows on sending measured data to display 24 in real time, the staff of being convenient for knows in real time.

The agitator 15 includes motor and fixed connection at the stirring subassembly of motor output, and motor fixed mounting is in the upper end of reactor body 1, and the stirring subassembly is located reactor body 1, and the upper end of stirring subassembly and reactor body 1 seal rotation are connected, drive the stirring subassembly through the motor and do high-speed rotation, carry out rapid mixing to the reactant.

The outer surfaces of the upper collecting tank 18 and the lower collecting tank 21 are provided with scale marks, so that the subsequent general volume understanding is facilitated.

The motor controller 23 is electrically connected to a motor, which may be a servo motor, and the motor controller 23 is a servo controller.

The specific gravity of the suspension block 6 is less than that of the rapeseed oil or the methanol, so that the suspension block 6 is ensured to float on the liquid level, and the distance sensor 7 is convenient to judge the volume of the reactant in real time.

The temperature control device 2 is a heating pipe, and can also be other heating equipment.

The device is divided into three working principles of environmental parameter control, raw material proportioning and judgment of whether the reaction is uniform or not.

Controlling environmental parameters: the method comprises temperature and pressure environment control, specifically, a temperature sensor 3 is responsible for monitoring the internal temperature of a reactor body 1 in real time, converting the internal temperature into an electric signal and sending the electric signal to a processor 22, the processor 22 compares the internal temperature with a preset temperature, if the temperature is slightly lower than the preset temperature, a temperature control device 2 is opened to continue heating the reactant, and if the temperature just reaches the preset temperature, the temperature control device 2 is closed; pressure sensor 4 real-time supervision reactor body 1 internal pressure and convert the signal of telecommunication to send to treater 22, compare with the preset pressure value by treater 22, pressure is lower slightly, then opens air compressor 12 and fills into compressed air to reactor body 1, if the pressure value equals with the preset pressure value, then closes air compressor 12.

The raw material ratio is as follows: can advance pipe 10 through rapeseed oil respectively and advance to add rapeseed oil and methyl alcohol in reactor body 1 in proper order with methyl alcohol and advance the pipe, at the in-process of adding the reactant, suspension piece 6 suspends supreme at the liquid level all the time, reactor body 1 wholly adopts cylinder type structure, distance sensor 7 monitors the distance size after putting into rapeseed oil at first, and then monitors the distance size after putting into the methyl alcohol, adds different reactants to reactor body 1 according to proportion in advance, treater 22 accessible is opened first solenoid valve 9 and second solenoid valve 11 and is stopped adding the reactant.

Judging whether the reaction is uniform: the suspension block 6 always floats on the liquid level, the processor 22 controls the stirrer 15 to work through the motor controller 23, the reaction efficiency of the two reactants is improved, in the process, the reactants change, the specific gravity of the product relatively changes, the volume of the suspension block 6 immersed in the product also changes, and after the reaction is full, the volume of the suspension block 6 immersed in the product tends to be stable; during the reaction, the stirrer 15 generates a centrifugal force in the suspended solids 6 during the stirring, but the centrifugal force is a force in the horizontal direction and does not largely affect the sinking and floating of the suspended solids 6.

When the reaction is completed, the processor 22 may open the fourth solenoid valve 17 and the fifth solenoid valve 20 in sequence to allow the upper liquid phase to flow into the upper collection tank 18 through the upper outlet pipe 16, and the lower liquid phase to flow into the lower collection tank 21 through the lower outlet pipe 19.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An automatic monitoring device of a biodiesel reactor comprises a reactor body (1) and is characterized in that a temperature control device (2), a temperature sensor (3) and a pressure sensor (4) are sequentially installed on the inner wall of the reactor body (1) from bottom to top, a vertical slide rail (5) is fixedly connected to the upper inner wall and the lower inner wall of the reactor body (1) together, a suspension block (6) is sleeved on the vertical slide rail (5) in a sliding mode, and a distance sensor (7) is installed on the inner top wall of the reactor body (1) and right above the suspension block (6);

the upper end of reactor body (1) communicate respectively and have rapeseed oil to advance tub (8) and methyl alcohol and advance tub (10), rapeseed oil advances to install first solenoid valve (9) on tub (8), methyl alcohol advances to install second solenoid valve (11) on tub (10), one side of reactor body (1) is equipped with air compressor (12), the output intercommunication of air compressor (12) has pressure boost pipe (13), the one end that air compressor (12) were kept away from in pressure boost pipe (13) communicates with the interior top of reactor body (1), install third solenoid valve (14) on pressure boost pipe (13), the upper end middle part fixed mounting of reactor body (1) has agitator (15), the lower extreme of reactor body (1) communicates respectively and has last liquid phase exit tube (16) and lower liquid phase exit tube (19), the lower extreme intercommunication of going up liquid phase exit tube (16) has last liquid phase collection tank (18), a fourth electromagnetic valve (17) is installed on the upper liquid phase outlet pipe (16), the lower end of the lower liquid phase outlet pipe (19) is communicated with a lower liquid phase collecting tank (21), and a fifth electromagnetic valve (20) is installed on the lower liquid phase outlet pipe (19);

one side of reactor body (1) is equipped with treater (22), motor controller (23) and display (24), temperature sensor (3), pressure sensor (4), distance sensor (7), first solenoid valve (9), second solenoid valve (11), third solenoid valve (14), fourth solenoid valve (17), fifth solenoid valve (20) all with the input electric connection of treater (22), motor controller (23), temperature control device (2), air compressor (12), display (24) all with the output electric connection of treater (22).

2. The automatic monitoring device of a biodiesel reactor according to claim 1, wherein the agitator (15) comprises a motor and an agitation assembly fixedly connected to the output end of the motor, the motor is fixedly installed at the upper end of the reactor body (1), the agitation assembly is located in the reactor body (1), and the upper end of the agitation assembly is connected with the reactor body (1) in a sealing and rotating manner.

3. An automatic monitoring device of a biodiesel reactor according to claim 1, characterized in that the outer surfaces of the upper liquid phase collection tank (18) and the lower liquid phase collection tank (21) are engraved with scale lines.

4. The automatic monitoring device of a biodiesel reactor according to claim 2, wherein said motor controller (23) is electrically connected to the motor.

5. An automatic monitoring device of a biodiesel reactor according to claim 1, characterized in that the specific gravity of the suspension block (6) is smaller than the specific gravity of rapeseed oil or methanol.

6. An automatic monitoring device of a biodiesel reactor according to claim 1, characterized in that said temperature control means (2) is a heating pipe.

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