CN213101850U

CN213101850U - Chemical raw material heating and batching device

Info

Publication number: CN213101850U
Application number: CN202021734870.9U
Authority: CN
Inventors: 张俊强; 牟恒国; 杨铁振
Original assignee: DONGMING JUJIN CHEMICAL CO LTD
Current assignee: DONGMING JUJIN CHEMICAL CO LTD
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-04
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a chemical raw material heating and batching device, wherein a single helical blade and a double helical blade are fixedly arranged on a rotating shaft of a driving motor at the top of a batching tank, and the double helical blade is fixedly connected with the rotating shaft through a support rod; the electromagnetic heater is sleeved and fixed on a return pipe between a circulating outlet and a circulating inlet at the bottom of the batching tank, and the shielding assembly comprises a heat-insulating layer and an electromagnetic shielding layer which are arranged outside the return pipe; the electromagnetic generation unit comprises an electromagnetic coil, a heating controller, a temperature sensor and a connector, the electromagnetic coil is wound on the heat insulation layer, the heating controller is connected with a power line and is connected with the electromagnetic coil and the temperature sensor through the connector and a connecting line, and the electromagnetic shielding layer is wrapped outside the electromagnetic coil. The utility model discloses can utilize electromagnetic heater to promote the multiple batching stirring misce bene of being convenient for of material temperature to the high-efficient stirring of material in the batching jar and stirring in-process, show and promote batching efficiency.

Description

Chemical raw material heating and batching device

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to industrial chemicals heating dosing unit.

Background

Chemical production techniques are generally proposed for certain products or feedstocks, such as vinyl chloride production, methanol synthesis, sulfuric acid production, coal gasification, and the like. Thus, it has individual production specificities; but the content thereof generally relates to the following aspects: selection of raw materials and production methods, organization of processes, functions, structures and operations of used equipment (reactors, separators, heat exchangers, etc.), influence of catalysts and other materials, determination of operating conditions, production control, product specifications and separation and utilization of by-products, safety, technology and technical economy, etc.

The realization of modern chemical production applies basic scientific theories (chemistry, physics and the like), chemical engineering and principles and methods, and other related knowledge and technologies of engineering disciplines. The main development trends of modern chemical production technologies are: the large-scale production of the basic chemical industry, the full utilization of raw materials and byproducts, the adoption of new raw material routes and new catalysts (including new reactions), the reduction of energy consumption, the prevention of environmental pollution, the automation of production control, the optimization of production and the like.

The required temperature of reaction just can carry out relevant technology reaction to industrial chemicals in the in-process of production a lot of needs of current industrial chemicals, then carries out the batching processing of various compositions, and current heating methods mainly heats through steam heat exchanger, and heating efficiency is lower, can not carry out high temperature heating moreover. In addition, the heating is usually separately gone on with the batching, and the material after the heating is difficult to keep original temperature to stir, and dispensing equipment stirs for simple (mixing) shaft usually moreover, and the batching is inefficient and has the inhomogeneous condition of batching. For the reasons, the temperature of the materials needs to be controlled, uniform proportioning is realized, normal process reaction is facilitated, and the reaction efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's is not enough, provides a chemical raw material heating dosing unit, can promote material mixing efficiency in the batching jar for the material mixes more evenly, heats the material through back flow backward flow in-process in the mixing process, promotes batching speed and batching efficiency.

The utility model discloses a realize through following technical scheme:

the chemical raw material heating and batching device comprises a batching tank, wherein a driving motor is installed at the top of the batching tank, the output end of the driving motor downwards penetrates through the batching tank, extends to the interior of the batching tank and is provided with a rotating shaft, a single helical blade and a double helical blade positioned at the periphery of the single helical blade are fixedly arranged on the rotating shaft, and the double helical blade is fixedly connected with the rotating shaft through a supporting rod; a circulating outlet is formed in the bottom of the batching tank, a return pipe is connected to the circulating outlet, the other end of the return pipe is communicated with a circulating inlet formed in the top of the batching tank, and a circulating pump is connected to the return pipe close to the circulating outlet; the electromagnetic heater is sleeved and fixed on the return pipe between the circulating pump and the circulating inlet and comprises a shielding assembly and an electromagnetic generating unit, wherein the shielding assembly comprises a heat insulation layer and an electromagnetic shielding layer which are arranged outside the return pipe; the electromagnetic generating unit comprises an electromagnetic coil, a heating controller, a temperature sensor and a connector, the electromagnetic coil is wound on the heat insulation layer outside the backflow pipe, the heating controller is connected with a power line and is connected with the electromagnetic coil and the temperature sensor through the connector and a connecting wire, and the electromagnetic shielding layer is wrapped outside the electromagnetic coil.

According to the scheme, the single helical blade and the double helical blade in the batching tank are matched, so that various materials in the batching tank are thoroughly and fully stirred, and when the materials pass through the return pipe, the materials are heated through the electromagnetic heating device outside the return pipe, so that the batching speed and the batching efficiency are improved; the energy can be saved by 30-70% by adopting electromagnetic heating rather than resistance wire heating, and the device has the advantages of long service life, no maintenance, no heat dissipation and accurate temperature control.

Furthermore, the rotating shaft is respectively provided with inclined blades positioned at two sides of the rotating shaft above and below the single helical blade.

The rotating shaft is provided with the oblique blades, so that the materials are pressed downwards by the oblique blades on the upper part when the rotating shaft rotates, convection is formed inside the materials, and the heat transfer and mass transfer effects of the materials are greatly enhanced.

Furthermore, the inclined blades on the rotating shaft and positioned on two sides of the rotating shaft are symmetrical about the center of the rotating shaft.

Oblique blade sets up about pivot central symmetry, can carry out broken stirring to the material earlier when the material gets into batching jar, and cooperation single helical blade and double helical blade realize promoting batching efficiency to the intensive mixing stirring of material.

Preferably, the inner wall of the batching tank is provided with a turbulence rib.

The vortex muscle can play certain stirring effect to the material to improve the batching speed of batching jar.

The utility model has the advantages that:

the utility model provides a, drive through driving motor and go up oblique blade, single helical blade and double helical blade at batching jar internal rotation, stir the material that enters into in the batching jar, oblique blade carries out preliminary broken back to the material, stir the mixture by single helical blade and double helical blade mutually supporting, double helical blade is close the inner wall of batching jar apart from the distance of pivot for the stirring range increases, stirring effect promotes, thereby makes the material mix more even.

Secondly, materials at the bottom of the batching tank are conveyed to the top of the batching tank through a circulating pump, so that the materials circularly flow in the batching tank, and when passing through a return pipe, the materials are heated through an electromagnetic heating device outside the return pipe, so that the batching speed and the batching efficiency are improved; the energy can be saved by 30-70% by adopting electromagnetic heating rather than resistance wire heating, and the device has the advantages of long service life, no maintenance, no heat dissipation and accurate temperature control.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Shown in the figure:

1. batching jar, 2, double helix blade, 3, bracing piece, 4, single helix blade, 5, pivot, 6, feed inlet, 7, driving motor, 8, circulation import, 9, heat preservation, 10, heating control ware, 11, electromagnetic shield layer, 12, connecting wire, 13, connector, 14, back flow, 15, circulating pump, 16, circulation outlet, 17, discharge gate, 18, oblique blade, 19, vortex muscle, 20, solenoid.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

The utility model provides a chemical raw material heating dosing unit, includes batching jar 1, sets up vortex muscle 19 on the inner wall of batching jar 1, and feed inlet 6 and discharge gate 17 have been seted up respectively to the top and the bottom of batching jar 1, and discharge gate 17 bottom is provided with sealed lid, and the sealed junction with discharge gate 17 of covering is provided with the sealing washer.

Batching jar 1 top is installed driving motor 7, and driving motor 7's output runs through batching jar 1 downwards and extends to its inside and install pivot 5, along length direction fixed mounting single helical blade 4 in the pivot 5 to and be located the double helical blade 4 of single helical blade 4 periphery, through 3 fixed connection of bracing piece between double helical blade 4 and the pivot 5. Wherein, in order to guarantee stirring mixing efficiency, single helical blade 4 can drive the material upward movement in the batching jar 1 when rotating for the material can stir from bottom to top in batching jar 1.

The bottom of the batching tank 1 is provided with a circulating outlet 16, the circulating outlet 16 is connected with a return pipe 14, the other end of the return pipe 14 is communicated with a circulating inlet 8 arranged on the top of the batching tank 1, and a circulating pump 15 is connected to the position, close to the circulating outlet 16, on the return pipe 14.

The chemical raw material heating and batching device also comprises an electromagnetic heater sleeved on a return pipe 14 fixed between a circulating pump 15 and a circulating inlet 8, the electromagnetic heater comprises a shielding assembly and an electromagnetic generating unit, and the shielding assembly comprises a heat-insulating layer 9 and an electromagnetic shielding layer 11 which are arranged outside the return pipe 14; the electromagnetic generating unit comprises an electromagnetic coil 20, a heating controller 10, a temperature sensor and a connector 13, wherein the electromagnetic coil 20 is wound on the heat insulation layer 9 outside the return pipe 14, the heating controller 10 is connected with a power line and is connected with the electromagnetic coil 20 and the temperature sensor through the connector 13 and a connecting wire 12, and an electromagnetic shielding layer 11 is wrapped outside the electromagnetic coil 20.

The rotating shaft 5 is provided with inclined blades 18 positioned at two sides of the rotating shaft 5 above and below the single helical blade 4 respectively, and the inclined blades 18 positioned at two sides of the rotating shaft 5 on the rotating shaft 5 are centrosymmetric with respect to the rotating shaft 5.

The utility model discloses a working process: the rotating shaft 5 and the inclined blades 18, the single helical blades 4 and the double helical blades 2 on the rotating shaft 5 are driven to rotate in the mixing tank 1 by the driving motor 7, when the rotating shaft 5 rotates clockwise, the middle material can be driven to move upwards under the action of the single helical blades 4 to be in secondary contact stirring with the inclined blades 18, the material entering the mixing tank 1 is stirred, a circulating outlet 16 is arranged at the bottom of the mixing tank 1, a return pipe 14 is connected on the circulating outlet 16, the other end of the return pipe 14 is communicated with the circulating inlet 16 arranged at the top of the mixing tank 1, and a circulating pump 15 is connected on the return pipe 14, thus, partial material after stirring and mixing can be conveyed to the top of the mixing tank 1 from the bottom of the mixing tank 1 by the circulating pump 15, the material can circularly flow in the mixing tank 1, when stirring, the material flows through the rotating action of the single helical blades 4 and the double helical blades 2, the materials around the single helical blade 4 and the double helical blade 2 move upwards and circumferentially, and the materials in the middle of the single helical blade 4 move downwards, so that upper, lower, inner and outer circular flow is formed, when the materials outside the single helical blade 4 move upwards to the inclined blade at the upper end of the rotating shaft, the materials are extruded downwards, uniform mixing, heat transfer and the like are achieved, the stirring effect is greatly enhanced, and the reaction speed is greatly increased.

When materials pass through the return pipe 14, the power supply of the electromagnetic heating controller 10 is switched on, the upper and lower limits of the temperature are pre-adjusted in the electromagnetic heating controller 10 according to the temperature requirement of the raw materials, alternating current commercial power is rectified through the electromagnetic heating controller 10 in a voltage transformation mode, direct current is output to the electromagnetic coil 20 through the connecting wire 12, the direct current induces and generates a magnetic field in the electromagnetic coil 20, the iron-containing return pipe 14 heats the raw materials by generating heat, the heat insulation layer 9 is arranged between the outer surface of the return pipe 14 and the electromagnetic coil 20, the heat cannot be dissipated to the space outside the return pipe 14, and the electromagnetic coil 20 is externally provided with the electromagnetic shielding layer 11, so.

The temperature of the return pipe 14 is monitored by the electromagnetic heating controller 10 in real time through the temperature sensor, when the temperature reaches a set upper limit value, the electromagnetic heating controller 10 is powered off, the electromagnetic coil 20 does not generate an induction magnetic field, the return pipe 14 stops self-heating, and the temperature stops rising. When the temperature reaches the set lower limit, the electromagnetic heating controller 10 switches on the power supply of the electromagnetic coil 20, the electromagnetic coil 20 continuously excites the return pipe 14 to generate heat, the temperature starts to rise, and the heating and temperature rise of the return pipe 14 to the material are realized, so that the batching efficiency of the batching tank 1 is improved.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a chemical raw material heating dosing unit, includes the batching jar, and driving motor is installed at batching tank deck portion, and driving motor's output runs through the batching jar downwards and extends to its inside and install pivot, its characterized in that: the rotating shaft is fixedly provided with a single helical blade and a double helical blade positioned at the periphery of the single helical blade, and the double helical blade is fixedly connected with the rotating shaft through a support rod; a circulating outlet is formed in the bottom of the batching tank, a return pipe is connected to the circulating outlet, the other end of the return pipe is communicated with a circulating inlet formed in the top of the batching tank, and a circulating pump is connected to the return pipe close to the circulating outlet; the electromagnetic heater is sleeved and fixed on the return pipe between the circulating pump and the circulating inlet and comprises a shielding assembly and an electromagnetic generating unit, wherein the shielding assembly comprises a heat insulation layer and an electromagnetic shielding layer which are arranged outside the return pipe; the electromagnetic generating unit comprises an electromagnetic coil, a heating controller, a temperature sensor and a connector, the electromagnetic coil is wound on the heat insulation layer outside the backflow pipe, the heating controller is connected with a power line and is connected with the electromagnetic coil and the temperature sensor through the connector and a connecting wire, and the electromagnetic shielding layer is wrapped outside the electromagnetic coil.

2. The chemical material heating and batching device according to claim 1, characterized in that: the rotating shaft is provided with inclined blades positioned at two sides of the rotating shaft above and below the single helical blade respectively.

3. The chemical material heating and batching device according to claim 2, characterized in that: the inclined blades on the rotating shaft are positioned on two sides of the rotating shaft and are symmetrical about the center of the rotating shaft.

4. The chemical material heating and batching device according to claim 1, characterized in that: the inner wall of the batching tank is provided with a turbulence rib.