CN221601756U - Heating type stirring device - Google Patents

Abstract

The application discloses a heating type stirring device, which belongs to the technical field of stirring devices, and comprises: a main body having an accommodating space for stirring the slurry; the gas heating pipe is used for introducing heated gas and is arranged in the accommodating space; the jacket is internally provided with a fluid channel, the fluid channel is used for introducing heated fluid, and the jacket is connected with the main body in a sleeved mode and is positioned outside the accommodating space; the application can quickly heat the slurry to the appointed temperature while keeping the slurry fully stirred, can maintain the slurry temperature near the appointed temperature, and has effective heat preservation and stable heat preservation performance, thereby improving the leaching component efficiency and the output quality of the overhaul slag slurry.

Description

Heating type stirring device

Technical Field

The application belongs to the technical field of stirring devices, and particularly relates to a heating type stirring device.

Background

The aluminum electrolysis overhaul slag is an unavoidable hazardous waste in the aluminum electrolysis production process, the aluminum electrolysis overhaul slag is required to be treated in order to better extract valuable components in the aluminum electrolysis production process and realize recycling treatment, the aluminum electrolysis overhaul slag slurry is required to be continuously stirred in the treatment process to enable the aluminum electrolysis overhaul slag slurry to have good reaction conditions, and the technological process is required to heat the overhaul slag slurry to a certain temperature for heat preservation treatment. The method has higher temperature requirement on the aluminum electrolysis overhaul slag treatment, and the heating speed and the heat preservation stability have great influence on the leaching effect of valuable components and even influence success or failure.

Although stirring devices of the prior art heat stirring fluid, there is currently no slurry heating stirring device which is large in volume, industrialized and uniform in property for overhaul slag slurry.

Disclosure of utility model

The application aims to solve the technical problem of heating and stirring of the overhaul slag slurry at least to a certain extent, and therefore, the application provides the heating type stirring device which can quickly heat the slurry to a specified temperature while keeping the slurry sufficiently stirred, can maintain the slurry temperature near the specified temperature, and has the advantages of effective heat preservation and stable heat preservation performance, thereby improving the leaching component efficiency and the output quality of the overhaul slag slurry.

The embodiment of the application provides a heating type stirring device, which comprises:

a main body having an accommodating space for stirring the slurry;

The gas heating pipe is used for introducing heated gas and is arranged in the accommodating space;

The jacket is connected to the main body in a sleeved mode and is positioned outside the accommodating space.

The stirring device in the prior art is not specially used for heating and stirring the overhaul slag slurry, and the stirring device with the diameter of more than 1.5m and the height of more than 1.5m is generally adopted because the slurry amount is large, the slurry is required to be heated to a specified temperature within a specified time, the heating time cannot be excessively long, the temperature environment is required to be maintained at the specified temperature, the temperature deviation is required to be small, and especially the stirring device with larger volume is required, the slurry in the stirring device is easier to generate larger temperature gradient, so that the slurry temperature in each part of the stirring device is unbalanced, the leaching recovery of valuable components is seriously influenced, and the treatment process of the aluminium electrolysis overhaul slag is likely to fail. According to the application, heated gas can be independently introduced into the gas heating pipe and heated fluid can be independently introduced into the jacket through the gas heating pipe and the jacket, the temperature of the slurry can be quickly raised to the designated temperature through the temperature of the heated gas and the temperature of the heated fluid, so that the slurry can be quickly raised, the gas heating pipe is positioned in the accommodating space, the slurry can be continuously contacted with the gas heating pipe when the slurry is stirred, the temperature of the slurry is more balanced, the temperature stability of the high-temperature slurry can be realized after the slurry is heated, the temperature gradient of the slurry is kept to be always smaller, the temperature difference and fluctuation are avoided, and the heated fluid in the jacket can heat the slurry in the accommodating space and play a certain role in keeping the temperature constant, so that the slurry can be quickly raised to the designated temperature while the slurry is fully stirred, the slurry temperature can be maintained to be near the designated temperature, the slurry can be effectively insulated, and the slurry has stable insulation performance, and the efficiency and the output quality of the leaching component of the slurry of the overhaul residue can be improved.

In an alternative embodiment, the gas heating pipes are arranged around the periphery of the accommodating space, and the gas heating pipes extend over corresponding positions from the bottom to the top of the accommodating space.

In an alternative embodiment, the gas heating tube has a gas inlet near the bottom of the body and a gas outlet near the top of the body.

In an alternative embodiment, the jacket has a liquid inlet near the bottom of the body and a liquid outlet near the top of the body.

In an alternative embodiment, the stirring device further comprises an electric heating element, the electric heating element is arranged on the main body, and a heating part of the electric heating element is arranged in the accommodating space.

In an alternative embodiment, a plurality of electric heating elements are provided, which are arranged at the bottom of the receiving space.

In an alternative embodiment, the body is provided with a feed inlet and a discharge outlet, the feed inlet being located at the top of the body and the discharge outlet being located at the bottom of the body.

In an alternative embodiment, the stirring device further includes a stirring assembly for stirring the slurry in the accommodating space, and the stirring assembly is mounted on the main body.

In an alternative embodiment, the stirring device further comprises an insulating layer arranged outside the jacket.

In an alternative embodiment, the stirring device further comprises a temperature measuring device arranged between the jacket and the heat insulation layer.

According to the technical scheme, the beneficial effects of the application are as follows:

According to the stirring device, heated gas can be independently introduced into the gas heating pipe and heated fluid can be independently introduced into the jacket through the gas heating pipe and the jacket, the temperature of slurry can be quickly increased to a specified temperature through the temperature of the heated gas and the problem of the heated fluid, the slurry is quickly heated, the gas heating pipe is positioned in the accommodating space, the slurry can be continuously contacted with the gas heating pipe when stirred, so that the temperature of the slurry is more balanced, the temperature stability of high-temperature slurry can be realized after heating, the temperature gradient of the slurry is kept to be always smaller, the temperature difference and fluctuation are avoided, and the heated fluid in the jacket can heat the slurry in the accommodating space and play a certain role in keeping the temperature constant, so that the slurry can be quickly heated to the specified temperature while the slurry is fully stirred, the slurry temperature can be maintained to be near the specified temperature, the slurry can be effectively kept, the slurry is effectively kept warm, the slurry has stable thermal insulation performance, and the leaching component efficiency and the yield quality of the slurry are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present application, and other embodiments and drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a cross-sectional view of an embodiment of a heating-type stirring device of the present utility model;

FIG. 2 shows a cross-sectional view of an embodiment of the heating-type stirring device of the present utility model;

FIG. 3 shows a distributed top view of an embodiment of the electrical heating element of the present utility model;

Reference numerals: 100. a stirring device; 110. a main body; 111. an accommodation space; 112. a feed inlet; 113. a discharge port; 120. a stirring assembly; 121. a stirring shaft; 122. a motor; 123. a speed reducer; 130. a gas heating pipe; 131. an air inlet; 132. an exhaust port; 140. a jacket; 141. a fluid channel; 142. a liquid inlet; 143. a liquid outlet; 150. an electric heating element; 160. a heat preservation layer; 170. a temperature measuring device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The application is described below with reference to specific embodiments in conjunction with the accompanying drawings:

Referring to fig. 1, an embodiment of the present application provides a heating type stirring device 100 for heating and stirring aluminum electrolysis overhaul slag slurry, and optionally heating and stirring other slurries, wherein the stirring device 100 comprises: a main body 110, a gas heating tube 130 and a jacket 140. The main body 110 has a receiving space 111 for stirring the slurry, the slurry in the receiving space 111 is stirred in the main body 110, a stirring shaft 121 can be used for stirring, and the stirring shaft 121 can be connected with the main body 110 or can be of other stirrer structures; the gas heating pipe 130 is used for introducing heated gas, the gas heating pipe 130 is a material capable of heat transfer, the gas heating pipe 130 is made of corrosion-resistant stainless steel or ceramic material, and other steam-resistant materials can be adopted; the gas heating pipes 130 are arranged in the accommodating space 111, the gas heating pipes 130 can be arranged in a bending way, a bending way or other ways in the accommodating space 111, in order to improve the heating balance of the slurry, the gas heating pipes 130 are arranged in the accommodating space 111 in a surrounding way, the two ends of the gas heating pipes 130 extend out of the main body 110, the gas heating pipes 130 are provided with channels for gas circulation, and heated gas is introduced into the gas heating pipes 130 through the channels so as to heat the slurry; the temperature of the heated gas is at least 100 ℃, and can be higher, and the heated gas adopts steam, and can also adopt other high-temperature gases such as flue gas and the like; the jacket 140 is internally provided with a fluid channel 141, two ends of the fluid channel 141 extend out of the main body 110, the fluid channel 141 is used for introducing heated fluid, the jacket 140 is connected to the main body 110 in a sleeved mode and is positioned outside the accommodating space 111, the heated fluid in the jacket 140 heats slurry in the accommodating space 111, the fluid channel 141 extends over the jacket 140, so that the slurry at all positions around the periphery of the accommodating space 111 can exchange heat with the heated fluid in the fluid channel 141, in an alternative embodiment, the fluid channel 141 occupies the whole inner space of the jacket 140, and the jacket 140 wraps a layer of heated fluid outside the main body 110; the heated fluid can be adopted according to the needs, the temperature of the heated fluid can be preset according to the needs, the heated fluid adopts hot water, hot oil or other liquids, and the flow is continuously regulated outside the jacket 140 through a regulating valve.

According to the application, heated gas can be independently introduced into the gas heating pipe 130 and heated fluid can be independently introduced into the jacket 140 through the gas heating pipe 130 and the jacket 140, the temperature of the slurry can be quickly raised to a specified temperature through the temperature of the heated gas and the problem of the heated fluid, the slurry is quickly raised, the gas heating pipe 130 is positioned in the accommodating space 111, the slurry can be continuously contacted with the gas heating pipe 130 when being stirred, the slurry with a temperature difference can be quickly mixed and heat exchanged, so that the temperature of the slurry is more balanced, the temperature stability of the high-temperature slurry can be realized after heating, the temperature gradient of the slurry is kept to be always smaller, the temperature difference and fluctuation are avoided, and the heated fluid in the jacket 140 can heat the slurry in the accommodating space 111 and play a certain role in keeping the slurry sufficiently stirred, meanwhile, the slurry can be quickly raised to the specified temperature, the slurry temperature can be maintained near the specified temperature, the effective heat preservation performance is realized, and the leaching component efficiency and the output quality of the overhaul residue slurry are improved.

Referring to fig. 2, in an alternative embodiment, the gas heating tube 130 is wound around the periphery of the accommodating space 111, that is, the gas heating tube 130 is bent and wound around the periphery of the accommodating space 111, the gas heating tube 130 extends over a corresponding position from the bottom to the top of the accommodating space 111, and the gas heating tube 130 can surround the middle region of the accommodating space 111 to heat the slurry therein, and in an alternative embodiment, the gas heating tube 130 is spirally wound around the periphery of the accommodating space 111, so that a multi-periphery structure is formed from the bottom to the top of the accommodating space 111. In an alternative embodiment, the gas heating pipe 130 has a gas inlet 131 and a gas outlet 132, the gas inlet 131 is near the bottom of the main body 110, the gas outlet 132 is near the top of the main body 110, gas can enter the channel in the gas heating pipe 130 from a position near the bottom of the main body 110, and fully exchange heat with slurry around the accommodating space 111, and finally is discharged from a position near the top of the main body 110, so that the heat of the heated gas can be fully utilized, and the fluid flowing out of the main body 110 is always contacted with the heated gas with the highest initial temperature, so that the slurry is not cooled before flowing out of the main body 110. In an alternative embodiment, the jacket 140 has a liquid inlet 142 and a liquid outlet 143, the liquid inlet 142 being near the bottom of the main body 110, the liquid outlet 143 being near the top of the main body 110, and the same principle as in the gas heating pipe 130 described above can be used to make full use of the heat of the heated fluid.

Referring to fig. 3, in an alternative embodiment, the stirring apparatus 100 further includes an electric heating element 150, where the electric heating element 150 is fixed on a casing portion of the main body 110 and extends out of the main body 110, a heating portion of the electric heating element 150 is disposed in the accommodating space 111, the electric heating element 150 is made of a resistance wire, a resistance rod or other electric heating elements, the electric heating element 150 is made of 2-6 groups of electric heating elements connected in parallel, an outer end of the electric heating element 150 is heated by being connected with a power supply, and the electric heating element 150 is used as an auxiliary heating portion for gas heating and fluid heating, so as to assist and reheat the slurry, so as to increase a heating speed of the slurry; the heating power can be conveniently adjusted by combining 3 heating modes of electricity, gas and liquid, and the power, the flow of the gas and the flow of the liquid can be more reasonably adjusted; meanwhile, the temperature of the slurry can be regulated to form closed-loop control through 3 heating modes, and the temperature of the slurry is stably maintained after the slurry is rapidly heated. In an alternative embodiment, a plurality of electric heating elements 150 are provided, the plurality of electric heating elements 150 are arranged at the bottom of the accommodating space 111, and the plurality of electric heating elements 150 are uniformly distributed, for example, a plurality of resistance wires are adopted and are radially distributed at the bottom of the accommodating space 111; in an alternative embodiment, the electric heating elements 150 are multiple layers, the electric heating elements 150 in adjacent layers are spaced, each layer of electric heating element 150 is provided with a plurality of electric heating elements 150, and the electric heating elements 150 in multiple layers or multiple layers are uniformly distributed, so that the slurry can be heated in an auxiliary manner, and the temperature of the slurry can be better regulated.

In an alternative embodiment, the main body 110 is provided with a feed inlet 112 and a discharge outlet 113, the feed inlet 112 is positioned at the top of the main body 110, the discharge outlet 113 is positioned at the bottom of the main body 110, and the feed inlet 112 and the discharge outlet 113 are respectively communicated with the accommodating space 111 and the outside of the main body 110; the main body 110 may be a tank, a cylinder or other structures with an internal accommodating space 111, the diameter of the main body is 1.5m, the height of the main body is 1.5m, other larger sizes can be adopted, the main body 110 may be a closed structure, only the top and the bottom are provided with a feed inlet 112 and a discharge outlet 113, or a detachable structure can be adopted, for example, the main body 110 is provided with a cover body, the top of the main body 110 is opened, the main body 110 is closed by the cover body, the feed inlet 112 is arranged on the cover body, and the discharge outlet 113 is arranged at the bottom of the main body 110; in an alternative embodiment, a pipeline for grouting is connected to the feeding port 112, and a pipeline for discharging slurry is connected to the discharging port 113, so that the slurry can be conveniently fed in and discharged out; through the arrangement of the feed inlet 112 and the discharge outlet 113, the slurry can flow through the stirring device 100 by utilizing the gravity of the slurry, the total flow direction of the slurry is from top to bottom and is opposite to the total flow direction of the heated gas and the heated fluid from bottom to top, so that the heat is fully utilized, the slurry, the gas and the heat body are fully subjected to heat exchange, and the utilization rate is improved.

In an alternative embodiment, the stirring device 100 further includes a stirring assembly 120, configured to stir the slurry in the accommodating space 111, where the stirring assembly 120 is installed on the main body 110, and the stirring assembly 120 can effectively improve a temperature dispersion effect of the overhaul slag slurry, so that the slurry flows fully and is heated uniformly; in an alternative embodiment, the stirring assembly 120 includes a stirring shaft 121, where the stirring shaft 121 includes stirring blades, a stirrer or other stirring structures, the stirring shaft 121 is disposed in the accommodating space 111, the stirring shaft 121 may be fixed on the top of the main body 110, or may be fixed on a cover of the main body 110, or may be an output part of another stirrer, as long as the stirring shaft 121 can be placed in the accommodating space 111, and when the stirring shaft 121 is placed in the main body 110, it is located in a middle space formed around the gas heating pipe 130, and the gas heating pipe 130 is spaced from the stirring shaft 121; in an alternative embodiment, the stirring assembly 120 further includes a motor 122 and a speed reducer 123, the motor 122 is mounted on the main body 110 or a cover of the main body 110, the speed reducer 123 is connected to the motor 122, which is configured as a conventional technology, and the stirring shaft 121 is connected to the speed reducer 123, and the stirring shaft 121 is driven by the motor 122 to perform a stirring operation on the slurry.

In an alternative embodiment, the stirring device 100 further includes a heat insulation layer 160 disposed outside the jacket 140, and since the heated fluid is disposed in the jacket 140, the heat insulation layer 160 disposed outside the jacket can perform a heat insulation function on the heated fluid in the jacket 140, so as to reduce heat dissipation, and enable the heated fluid to be maintained at a constant temperature all the time, thereby keeping the temperature of the slurry constant, so that the stirring device 100 can heat the slurry, also can realize heat insulation, and maintain the temperature balance of the slurry. In an alternative embodiment, the stirring apparatus 100 further includes a temperature measuring device 170, which is disposed between the jacket 140 and the heat insulation layer 160, where the temperature measuring device 170 uses a temperature sensor, or may use other devices for detecting temperature, such as a thermo-detector, and the temperature measuring device 170 is electrically connected to a background computer, so as to remotely monitor temperature changes, so as to ensure that the overhaul slag slurry can maintain a stable leaching environment, and maintain better leaching efficiency and output quality.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," "alternative examples," or "alternative embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A heating-type stirring device, characterized by comprising:

a main body (110) having a receiving space (111) for stirring the slurry;

A gas heating pipe (130) for introducing heated gas, the gas heating pipe (130) being arranged in the accommodating space (111);

And the jacket (140) is internally provided with a fluid channel (141), the fluid channel (141) is used for introducing heated fluid, and the jacket (140) is connected with the main body (110) in a sleeved mode and is positioned outside the accommodating space (111).

2. A heating stirring device according to claim 1, characterized in that the gas heating pipe (130) is wound around the periphery of the accommodation space (111), the gas heating pipe (130) extending over corresponding positions from the bottom to the top of the accommodation space (111).

3. A heating stirring device according to claim 2, characterized in that the gas heating pipe (130) has a gas inlet (131) and a gas outlet (132), the gas inlet (131) being close to the bottom of the main body (110) and the gas outlet (132) being close to the top of the main body (110).

4. A heating stirring device as claimed in claim 3, characterized in that the jacket (140) has a liquid inlet (142) and a liquid outlet (143), the liquid inlet (142) being near the bottom of the main body (110) and the liquid outlet (143) being near the top of the main body (110).

5. A heating stirring device as claimed in claim 2, characterized by further comprising an electric heating element (150), said electric heating element (150) being provided to said main body (110), a heating portion of said electric heating element (150) being disposed in said accommodation space (111).

6. A heating stirring device according to claim 5, characterized in that a plurality of said electric heating elements (150) are provided, a plurality of said electric heating elements (150) being arranged at the bottom of said accommodation space (111).

7. The heating type stirring device according to claim 4, wherein the main body (110) is provided with a feed inlet (112) and a discharge outlet (113), the feed inlet (112) is positioned at the top of the main body (110), and the discharge outlet (113) is positioned at the bottom of the main body (110).

8. A heating type stirring device as set forth in any one of claims 1 to 7, further comprising a stirring member (120) for stirring the slurry in the accommodating space (111), the stirring member (120) being mounted to the main body (110).

9. The heating type stirring device as set forth in any one of claims 1 to 7, further comprising an insulating layer (160) provided outside the jacket (140).

10. The heating stirring device of claim 9, further comprising a temperature measuring device (170) disposed between the jacket (140) and the heat insulating layer (160).