CN210676947U - Automatic continuous heat exchange device for metal powder - Google Patents
Automatic continuous heat exchange device for metal powder Download PDFInfo
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- CN210676947U CN210676947U CN201921767362.8U CN201921767362U CN210676947U CN 210676947 U CN210676947 U CN 210676947U CN 201921767362 U CN201921767362 U CN 201921767362U CN 210676947 U CN210676947 U CN 210676947U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/10—Pre-treatment
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an automatic continuous type heat transfer device of metal powder, including recirculated cooling water entry, recirculated cooling water export, metal powder entry, recirculated cooling water outlet pipe way, recirculated cooling water inlet pipe way, the heat exchanger jar body, temperature sensor, material level measuring apparatu, push-pull valve, straight tube section, metal powder export, blow material device and cavity heat transfer board. And a transition section is also formed in the inner cavity of the heat exchanger tank body, so that metal powder naturally falls down from the heat exchange channel and is accumulated in the straight pipe section, the transition section and the heat exchange channel above the gate valve when the gate valve is closed. The top of the inner cavity of the heat exchanger tank body is also provided with a dispersing device which is communicated with the metal powder inlet and disperses the metal powder into a plurality of heat exchange channels through a plurality of dispersing channels. The utility model discloses can guarantee that the higher high temperature metal powder of activity carries out heat transfer cooling fast under the inert gas atmosphere, realize metal powder's automatic continuous type heat transfer process simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the metal powder preparation technique and specifically relates to an automatic continuous type heat transfer device of metal powder is related to powder heat transfer device.
Background
The powder heat exchange device is a machine for exchanging heat and cooling high-temperature material powder, and the related powder is widely applied to a plurality of fields, including a plurality of industries such as food, agricultural and sideline products and metallurgy. In recent years, with the mass production of metal powders, and particularly the large increase in the demand for additive manufacturing powders, the heat exchange cooling demand for high temperature powder products is increasing.
At the present stage, the cooling mode of the high-temperature metal powder is to collect the powder in a water jacket box, cool the powder by circulating cooling water on the side wall of the water jacket box, open the water jacket box after cooling for a certain time to obtain the cooled powder, and then perform the subsequent powder treatment step. The whole process is basically judged by manpower and personal experience, the problem of low efficiency is caused by long cooling waiting time, and the result of performance reduction caused by oxidation caused by exposure of high-temperature active powder in air is caused by short cooling waiting time. Meanwhile, the problem of low cooling efficiency is bound to be faced by the cooling of the annular wall of the water jacket tank, and particularly the problem of overhigh temperature of the intermediate powder is difficult to solve, so that the heat exchange and cooling effects of the whole device are poor and the efficiency is low.
The heat exchange cooling mode widely adopted by the heat exchange equipment in the prior art usually needs to consume a large amount of manpower and time cost, the continuous automation degree of powder heat exchange cooling is not high, and the requirements of the current powder market on the powder heat exchange device are more and more difficult to meet. Therefore, how to complete the heat exchange and cooling process of the metal powder in a high-quality, efficient and continuous automatic manner has become an important technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic continuous type heat transfer device of metal powder, but the temperature variation of accurate control powder guarantees that the higher high temperature metal powder of activity can carry out heat transfer cooling fast under the inert gas atmosphere, realizes metal powder's automatic continuous type heat transfer process simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme:
an automated continuous heat exchange device for metal powder, comprising:
the heat exchanger comprises a tank body of the heat exchanger, a metal powder inlet, a straight pipe section and a metal powder outlet, wherein a cavity is formed in the tank body of the heat exchanger, the top of the cavity is communicated with the metal powder inlet, the bottom of the tank body extends downwards to form the straight pipe section, and the bottom of the straight pipe section forms the metal powder outlet;
the heat exchanger comprises a heat exchanger tank body, a plurality of hollow heat exchange plates and a plurality of heat exchange channels, wherein the hollow heat exchange plates are positioned in the heat exchanger tank body along the vertical direction;
the circulating cooling water inlet channel and the circulating cooling water outlet channel are positioned outside the heat exchanger tank body, the circulating cooling water inlet channel is communicated to the bottom of a hollow heat exchange plate through an independent pipeline, and the top of the hollow heat exchange plate is communicated to the circulating cooling water outlet channel through an independent pipeline, so that cooling water circulation is formed in each hollow heat exchange plate;
a gate valve located in the straight pipe section arranged to be externally operable to switch between closed and open states;
the level measuring instrument is arranged above the gate valve and is used for observing the level of the metal powder;
the heat exchanger comprises a heat exchanger tank body, a straight pipe section, a transition section, a gate valve and a temperature sensor, wherein the transition section is also formed in the inner cavity of the heat exchanger tank body and above the straight pipe section, so that metal powder naturally falls from the heat exchange channel and is accumulated in the straight pipe section, the transition section and the heat exchange channel above the gate valve when the gate valve is closed, and the transition section is provided with the temperature sensor for detecting the temperature of the metal powder;
the top of the inner cavity of the heat exchanger tank body is also provided with a dispersing device which is communicated with the metal powder inlet and disperses the metal powder into a plurality of heat exchange channels through a plurality of dispersing channels.
Further, the plurality of dispersion channels are each evenly circumferentially distributed around the metal powder inlet, and the outlets of the dispersion channels are directed obliquely downward.
Furthermore, a blowing device with an air outlet facing the heat exchange channel is further fixed at the top of the inner cavity of the heat exchanger tank body and used for blowing residual metal powder between the hollow heat exchange plates into the straight pipe section.
Further, the blowing device is fixed on the dispersing device.
Further, the metal powder inlet extends into the cavity of the heat exchanger tank.
And the control system is electrically connected with the temperature sensor, the material level measuring instrument, the gate valve and the blowing device, receives measurement feedback signals of the temperature sensor and the material level measuring instrument and controls the gate valve and the blowing device to be opened and closed.
Further, the gate valve is set to be kept closed during metal powder accumulation heat exchange and kept open during discharging.
Further, the hollow heat exchange plate is a thin-wall type hollow heat exchange plate.
With the continuous heat exchange device of the foregoing embodiment, before the high-temperature metal powder enters the heat exchanger tank through the metal powder inlet, the circulating cooling water may be started to work, and the cooling water enters the bottom of the hollow heat exchange plate through the circulating cooling water inlet channel, and then flows out through the circulating cooling water outlet channel at the top of the hollow heat exchange plate, and is cooled in a circulating and reciprocating manner. The metal powder entering the heat exchanger tank body falls into the dispersing device to be dispersed, the metal powder falls into the heat exchange channels between the hollow heat exchange plates after being dispersed into a plurality of parts, the gate valve is in a closed state, so that the metal powder can be accumulated between the hollow heat exchange plates, and the temperature sensor quickly heats up to the temperature of the metal powder. The inside recirculated cooling water of cavity heat transfer board flows and takes away the heat of high temperature metal powder, treats that temperature sensor shows after the temperature drops to the normal atmospheric temperature, and the push-pull valve is opened, and normal atmospheric temperature metal powder leaves the heat exchanger jar body through the metal powder export after through the straight tube section afterwards, and the blowing device is opened simultaneously, and remaining metal powder is blown on the cavity heat transfer board and is fallen into the straight tube section, and the material level measuring apparatu shows to have metal powder in the straight tube section this moment. After all the metal powder in the heat exchanger tank body flows out from the metal powder outlet, the level measuring instrument displays that no metal powder exists in the straight pipe section, and then the gate valve and the blowing device can be closed to wait for the subsequent completion of the heat exchange process of the metal powder.
In the powder heat exchange process, the control system realizes the adjustment and control of the opening and closing operations of the gate valve and the blowing device by receiving signals of the temperature sensor and the material level measuring instrument, thereby helping to realize the automatic continuous control of the whole set of metal powder heat exchange device.
Compared with the prior art, the utility model discloses an automatic continuous type heat transfer device of metal powder's beneficial effect that is showing lies in:
(1) the utility model realizes the automatic continuous process of the metal powder dispersion heat exchange cooling of the heat exchanger tank body, greatly improves the heat exchange efficiency of the metal powder, greatly reduces the time and labor cost in the heat exchange process of the metal powder, and can simultaneously perform the automatic operation of vacuumizing and filling inert protective gas;
(2) the utility model can realize visual and controllable operation control in the metal powder heat exchange process, ensure the continuous and accurate control of the metal powder temperature, track and monitor the powder state in real time, and meet the specific requirements of different customers and scenes on the powder heat exchange;
(3) the utility model discloses can guarantee the realization of the easy operation of metal powder heat transfer, stop the on-the-spot frequent reciprocal detection and the transport to the powder state of powder heat transfer, avoid the powder to scatter and the appearance of raise dust phenomenon, reduce the waste volume in metal powder heat transfer and the subsequent processing process simultaneously.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of an overall structure of an automatic continuous heat exchanger for metal powder according to an embodiment of the present invention.
Fig. 2 is a schematic view of an internal section of an automatic continuous heat exchanger for metal powder according to an embodiment of the present invention.
Fig. 3 is a schematic view of an external profile of an automatic continuous heat exchanger for metal powder according to an embodiment of the present invention.
Description of reference numerals:
1-inlet of circulating cooling water; 2-circulating cooling water outlet; 3-metal powder inlet;
4-circulating cooling water outlet pipeline; 5-inlet pipeline of circulating cooling water; 6, a heat exchanger tank body;
7-temperature sensor; 8-a level gauge; 9-a gate valve; 10-straight pipe section;
11-metal powder outlet; 12-transition section
13-blowing means; 14-a dispersing device; 15-hollow heat exchange plates;
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, and that the concepts and embodiments disclosed herein are not limited to any one implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Referring to fig. 1-3, the automatic continuous heat exchanger for metal powder according to the preferred embodiment of the present invention includes a recirculated cooling water inlet 1, a recirculated cooling water outlet 2, a metal powder inlet 3, a recirculated cooling water outlet pipeline 4, a recirculated cooling water inlet pipeline 5, a heat exchanger tank 6, a temperature sensor 7, a material level measuring device 8, a gate valve 9, a straight pipe section 10, a metal powder outlet 11, a blowing device 13, a dispersing device 14, and a hollow heat exchange plate 15.
Referring to fig. 1, a cavity is formed in a heat exchanger tank 6, the top of the cavity is communicated with a metal powder inlet 3, the bottom of the tank extends downwards to form a straight pipe section 10, a metal powder outlet 11 is formed at the bottom of the straight pipe section 10, and powder is discharged through the metal powder outlet 11. And the metal powder outlet 11 is used for enabling the normal-temperature metal powder subjected to heat exchange and cooling to flow out of the heat exchanger tank 6 for subsequent powder treatment.
With reference to fig. 1 and 2, the straight pipe section 10 can be used for restricting the flowing cross-sectional area of the metal powder, is convenient to connect with subsequent equipment, and is convenient to install and use the level gauge 8 and the gate valve 9.
Referring to fig. 1 and 3, the circulating cooling water inlet 1 and the circulating cooling water inlet pipeline 5 form an external circulating cooling water inlet channel, and cooling medium water is provided for the heat exchanger tank 6 through the circulating cooling water inlet channel for heat exchange and cooling.
The circulating cooling water outlet 2 and the circulating cooling water outlet pipeline 4 form an external circulating cooling water outlet channel, and cooling water in each hollow heat exchange plate 15 is collected and then discharged through the circulating cooling water outlet 2.
Referring to fig. 1, a circulating cooling water inlet 1 is used for providing a passage for cooling medium water to enter a heat exchanger tank 6 for heat exchange and cooling. And the circulating cooling water outlet 2 is used for a channel for cooling medium water to flow out of the heat exchanger tank 6 and forms an external loop of cooling water together with the circulating cooling water inlet 1.
And the circulating cooling water outlet pipeline 4 is used for collecting the cooling water in each hollow heat exchange plate 15 and then discharging the cooling water through the circulating cooling water outlet 2. And the circulating cooling water inlet pipeline 5 is used for dispersing the cooling water introduced from the circulating cooling water inlet 1 into each hollow heat exchange plate 15 to carry out heat exchange and cooling on the high-temperature metal powder.
Referring to fig. 2 and 3, a circulating cooling water inlet passage and a circulating cooling water outlet passage are located outside the heat exchanger tank, the circulating cooling water inlet passage is communicated to the bottom of a hollow heat exchange plate 15 through an independent pipeline, and the top of the hollow heat exchange plate 15 is communicated to the circulating cooling water outlet passage through an independent pipeline, so that cooling water circulation is formed in each hollow heat exchange plate;
and a metal powder inlet 3 for allowing high-temperature metal powder to enter a channel for heat exchange and cooling in the heat exchanger tank 6, and the upper part of the channel is connected with a discharge hole of the powder making equipment. Preferably, the metal powder inlet 3 extends into the cavity of the heat exchanger tank.
And the plurality of hollow heat exchange plates are positioned in the heat exchanger tank body 6 along the vertical direction and used for realizing contact heat exchange with high-temperature metal powder, and the hollow structure in the heat exchanger tank body is used for circulating cooling water. The heat exchange cooling rate is accelerated by the synergistic effect of the heat exchange plates. Referring to fig. 2, the hollow heat exchange plates 15 are arranged in parallel to form a plurality of heat exchange channels from top to bottom.
Preferably, the hollow heat exchange plate is a thin-wall type hollow heat exchange plate to facilitate heat exchange.
A gate valve 9, located in the straight pipe section, is provided externally operable to switch between closed and open states. Specifically, the gate valve 9 is set to remain closed during the heat exchange of the metal powder accumulation and to remain open during the discharge.
With reference to fig. 1 and 2, the gate valve 9 has high temperature resistance and excellent sealing performance, is used for accumulating high-temperature metal powder in the heat exchanger tank 6, and simultaneously plays a role in sealing in the vacuumizing process before heat exchange and cooling of equipment.
Referring to fig. 1, 2 and 3, a transition section 12 is further formed in the inner cavity of the heat exchanger tank body and above the straight pipe section 10, so that metal powder naturally falls from the heat exchange channel and is accumulated in the straight pipe section, the transition section and the heat exchange channel above the gate valve when the gate valve is closed, and the transition section 12 is provided with a temperature sensor 7 for detecting the temperature of the metal powder. And the temperature sensor 7 is used for monitoring the temperature and the change process of the temperature in the process that the high-temperature metal powder enters the heat exchanger tank 6 and is cooled to the room temperature through heat exchange, so that the accurate visual control of the temperature of the metal powder is realized.
And the material level measuring instrument 8 is arranged above the gate valve 9 and is used for observing the material level of the metal powder. The concrete address can monitor whether the metal powder material exists in the straight pipe section 10 or not, and simultaneously feeds back a corresponding material level signal.
Referring to fig. 1, a dispersion device 14 is further disposed at the top of the inner cavity of the heat exchanger tank 6, and is communicated with the metal powder inlet 3, the dispersion device 14 has corresponding dispersion channels to form powder distribution, and the metal powder is dispersed into the plurality of heat exchange channels through the plurality of dispersion channels. Therefore, the high-temperature metal powder entering the metal powder inlet 3 can be dispersed into the gaps among the hollow heat exchange plates 15 through the dispersing device 14, so that the heat exchange and cooling of the high-temperature metal powder are more uniformly facilitated, and the heat exchange efficiency is improved.
In some alternative embodiments, the dispersion device 14 is provided as a flow-through tube, obliquely fixed to and communicating with the metal powder inlet 3 and with the interior thereof.
Preferably, the plurality of dispersion channels are each evenly circumferentially distributed around the metal powder inlet, and the outlets of the dispersion channels are directed obliquely downwards.
Preferably, a blowing device 13 with an air outlet facing the heat exchange channel is further fixed on the top of the inner cavity of the heat exchanger tank 6, and is used for blowing the metal powder remaining between the hollow heat exchange plates into the straight pipe section 10. Therefore, in a working cycle, the metal powder remained in the heat exchanger tank body 6 can be blown into the straight pipe section 10 through the blowing device 13, the loss amount of the metal powder in the heat exchange process is reduced, and the mixed pollution to the metal powder of the subsequent batch is avoided.
For the sake of convenience of fixation, the blowing device 13 may be fixed to the dispersing device 14. Alternatively, the blowing device 13 has a blower with an outlet opening facing the heat exchange channel.
Preferably, the utility model discloses a continuous type heat transfer device can also set up a control system, for example switch board or control box, is connected and signal transmission with temperature sensor, material level measuring apparatu, push-pull valve and blowing device electricity, receives temperature sensor and material level measuring apparatu's measurement feedback signal to opening and closing of control push-pull valve and blowing device to realize the control of the automatic continuous type heat transfer cooling of whole equipment in one or more cycle.
The operation of the heat exchange device of fig. 1 and 2 and the above embodiments will be further described below by taking the heat exchange cooling of the TC4 titanium alloy metal powder as an example.
Before TC4 titanium alloy metal powder enters the heat exchanger tank 6, the temperature sensor 7 shows normal temperature, the signal fed back by the level gauge 8 is no powder, the gate valve 9 is in a closed state, and simultaneously the level gauge 8 feeds back the signal that no metal powder exists in the straight pipe section 10 to the control system. The metal powder inlet 3 is connected with the powder making equipment above, the whole equipment is vacuumized until the pressure value is less than 5Pa, then 99.999 percent of high-purity inert gas argon is filled into the equipment for protection, and the gate valve 9 plays a role in pressure-resistant sealing in the process.
Then the circulating cooling water is started to work, the cooling water enters the bottom of the hollow heat exchange plate 15 from the water inlet 1 through the inlet pipeline 5, and then flows out of the water outlet 2 from the top of the hollow heat exchange plate 15 through the outlet pipeline 4, and a circulating and reciprocating cooling water loop is formed integrally.
High temperature TC4 metal powder that the powder process equipment obtained gets into the heat exchanger jar 6 top through metal powder entry 3, falls into dispersion devices 14 and disperses, and high temperature TC4 metal powder falls into between each cavity heat transfer board 15 respectively after being dispersed several parts. Because the gate valve 9 is in the closed state at this moment, therefore high temperature TC4 metal powder can pile up to a take the altitude between cavity heat transfer board 15, and the temperature sensor 7 of heat exchanger jar 6 internally mounted can show the high temperature state that the temperature rose to metal powder fast, and this in-process gate valve 9 plays high temperature resistant effect. Then cooling water circularly flowing inside the hollow heat exchange plates 15 can take away heat of high-temperature TC4 metal powder through contact type heat exchange, and when the temperature sensor 7 displays that the temperature is reduced to below 50 ℃, the control system automatically controls to open the gate valve 9, normal-temperature TC4 metal powder passes through the straight pipe section 10 and then leaves the heat exchanger tank 6 through the metal powder outlet 11, meanwhile, the control system automatically controls to open the blowing device 13 to work, residual TC4 metal powder between the hollow heat exchange plates 15 is blown into the straight pipe section 10, and at the moment, the material level measuring instrument 8 indicates that metal powder exists in the straight pipe section 10.
After the TC4 metal powder in the heat exchanger tank 6 completely flows out from the metal powder outlet 11, the level measuring instrument 8 displays that no metal powder exists in the straight pipe section 10 and feeds back a signal to the control system, and the control system automatically controls the gate valve 9 and the blowing device 13 to be closed to wait for the subsequent completion of the heat exchange process of the metal powder of the next batch.
The steps are completed to finish the automatic continuous heat exchange cooling process of the TC4 metal powder.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (8)
1. An automatic continuous heat transfer device of metal powder, its characterized in that includes:
the heat exchanger comprises a tank body of the heat exchanger, a metal powder inlet, a straight pipe section and a metal powder outlet, wherein a cavity is formed in the tank body of the heat exchanger, the top of the cavity is communicated with the metal powder inlet, the bottom of the tank body extends downwards to form the straight pipe section, and the bottom of the straight pipe section forms the metal powder outlet;
the heat exchanger comprises a heat exchanger tank body, a plurality of hollow heat exchange plates and a plurality of heat exchange channels, wherein the hollow heat exchange plates are positioned in the heat exchanger tank body along the vertical direction;
the circulating cooling water inlet channel and the circulating cooling water outlet channel are positioned outside the heat exchanger tank body, the circulating cooling water inlet channel is communicated to the bottom of a hollow heat exchange plate through an independent pipeline, and the top of the hollow heat exchange plate is communicated to the circulating cooling water outlet channel through an independent pipeline, so that cooling water circulation is formed in each hollow heat exchange plate;
a gate valve located in the straight pipe section arranged to be externally operable to switch between closed and open states;
the level measuring instrument is arranged above the gate valve and is used for observing the level of the metal powder;
the heat exchanger comprises a heat exchanger tank body, a straight pipe section, a transition section, a gate valve and a temperature sensor, wherein the transition section is also formed in the inner cavity of the heat exchanger tank body and above the straight pipe section, so that metal powder naturally falls from the heat exchange channel and is accumulated in the straight pipe section, the transition section and the heat exchange channel above the gate valve when the gate valve is closed, and the transition section is provided with the temperature sensor for detecting the temperature of the metal powder;
the top of the inner cavity of the heat exchanger tank body is also provided with a dispersing device which is communicated with the metal powder inlet and disperses the metal powder into a plurality of heat exchange channels through a plurality of dispersing channels.
2. The automated continuous heat exchange device of claim 1, wherein the plurality of dispersion channels are each evenly circumferentially distributed around the metal powder inlet, and the outlet of the dispersion channel is directed obliquely downward.
3. The automatic continuous heat exchange device for metal powder as claimed in claim 1, wherein a blowing device with an air outlet facing the heat exchange channel is further fixed on the top of the internal cavity of the heat exchanger tank, and is used for blowing the metal powder left between the hollow heat exchange plates into the straight pipe section.
4. The automated continuous heat exchange device for metal powder according to claim 3, wherein the blowing device is fixed to the dispersing device.
5. The automated, continuous heat exchange device of claim 1, wherein the metal powder inlet extends into a cavity of the heat exchanger tank.
6. The automatic continuous heat exchange device for metal powder as claimed in claim 1, further comprising a control system electrically connected to the temperature sensor, the level gauge, the gate valve and the blowing device, for receiving measurement feedback signals from the temperature sensor and the level gauge and controlling the gate valve and the blowing device to open and close.
7. An automated continuous heat exchange apparatus for metal powder according to claim 1, wherein the gate valve is configured to remain closed during heat exchange of metal powder accumulation and to remain open during discharge.
8. The automated continuous heat exchange device of metal powder of claim 1, wherein the hollow heat exchange plate is a thin wall hollow heat exchange plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767362.8U CN210676947U (en) | 2019-10-21 | 2019-10-21 | Automatic continuous heat exchange device for metal powder |
| PCT/CN2020/100835 WO2021077805A1 (en) | 2019-10-21 | 2020-07-08 | Automatic continuous heat exchange device for metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767362.8U CN210676947U (en) | 2019-10-21 | 2019-10-21 | Automatic continuous heat exchange device for metal powder |
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| CN210676947U true CN210676947U (en) | 2020-06-05 |
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| CN201921767362.8U Active CN210676947U (en) | 2019-10-21 | 2019-10-21 | Automatic continuous heat exchange device for metal powder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077805A1 (en) * | 2019-10-21 | 2021-04-29 | 南京尚吉增材制造研究院有限公司 | Automatic continuous heat exchange device for metal powder |
| CN116242166A (en) * | 2023-02-15 | 2023-06-09 | 江苏威拉里新材料科技有限公司 | Automatic continuous heat exchange device for metal powder |
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| CN114486890A (en) * | 2022-01-19 | 2022-05-13 | 浙江宜成环保设备有限公司 | Dust intelligent analysis visual system for closed space and application thereof |
| CN114700501B (en) * | 2022-03-29 | 2023-09-19 | 南京铖联激光科技有限公司 | Product forming cooling device for 3D printing |
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| CN206410567U (en) * | 2016-12-08 | 2017-08-15 | 陕西煤业化工集团神木天元化工有限公司 | A kind of solid material cooler |
| CN206291759U (en) * | 2016-12-08 | 2017-06-30 | 陕西煤业化工集团神木天元化工有限公司 | A kind of cooling humidification and waste-heat recovery device for upgraded coal |
| CN206739926U (en) * | 2017-05-18 | 2017-12-12 | 四川眉山凯尔化工有限公司 | A kind of powder flow cooling device |
| CN207487467U (en) * | 2017-11-07 | 2018-06-12 | 温州龙强机械科技有限公司 | A kind of tubular heat exchanger |
| CN108007244B (en) * | 2017-11-27 | 2019-08-23 | 西安交通大学 | A kind of spiral plug-flow channel plate heat exchanger |
| CN207816061U (en) * | 2017-12-12 | 2018-09-04 | 上海蓝滨石化设备有限责任公司 | One kind being used for fluid heat exchanger containing solid particle |
| CN207797508U (en) * | 2018-01-30 | 2018-08-31 | 赣州齐畅新材料有限公司 | A kind of Extraction of rare eart solid cooling device |
| CN209043091U (en) * | 2018-10-12 | 2019-06-28 | 岳阳钟鼎热工电磁科技有限公司 | Granular solids cooler |
| CN109405599A (en) * | 2018-11-22 | 2019-03-01 | 双良节能系统股份有限公司 | A kind of condensing heat exchanger and strengthened heat exchange method for high water capacity exhaust-gas treatment |
| CN109506502A (en) * | 2018-12-20 | 2019-03-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of solid cooling device |
| CN210676947U (en) * | 2019-10-21 | 2020-06-05 | 南京尚吉增材制造研究院有限公司 | Automatic continuous heat exchange device for metal powder |
-
2019
- 2019-10-21 CN CN201921767362.8U patent/CN210676947U/en active Active
-
2020
- 2020-07-08 WO PCT/CN2020/100835 patent/WO2021077805A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077805A1 (en) * | 2019-10-21 | 2021-04-29 | 南京尚吉增材制造研究院有限公司 | Automatic continuous heat exchange device for metal powder |
| CN116242166A (en) * | 2023-02-15 | 2023-06-09 | 江苏威拉里新材料科技有限公司 | Automatic continuous heat exchange device for metal powder |
| CN116242166B (en) * | 2023-02-15 | 2023-10-20 | 江苏威拉里新材料科技有限公司 | Automatic continuous heat exchange device for metal powder |
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|---|---|
| WO2021077805A1 (en) | 2021-04-29 |
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