CN218627293U - Header formula fused salt heating device - Google Patents

Abstract

The utility model relates to a fused salt heating technology field, in particular to collection box fused salt heating device, including the branch workbin that is used for storing the fused salt before the heating, collect the receipts workbin of fused salt after the heating, connect the connecting pipe of branch workbin and receipts workbin to and set up the electromagnetic heater in the connecting pipe outside, electromagnetic heater includes induction coil, induction coil cup joints in the connecting pipe outside, connecting pipe setting is no less than one, connecting pipe parallel arrangement through set up the electromagnetic heater who has induction coil in the connecting pipe outside, orders about the in-process that the fused salt was carried using feed fused salt pump, can accomplish the heating process, and through the connecting pipe that uses tubular structure, can increase the cross section that the fused salt flows to ensure the velocity of flow of fused salt.

Description

Header formula fused salt heating device

Technical Field

The utility model relates to a fused salt heating technology field, in particular to collection box fused salt heating device.

Background

When wind-light-heat integrated new energy power generation is constructed, partial electric heat storage is sometimes designed, so that electric heat storage is carried out by utilizing wind power, photovoltaic or redundant electric quantity of an external network, when the power consumption is large, heat energy can be converted into electric energy again, in the conversion process of the heat energy and the electric energy, the thermoelectric conversion is usually carried out by adopting a mode of heating and dissolving molten salt, and the molten salt is heated, namely the molten salt is put into a molten salt tank to be directly heated and dissolved, or a small amount of water is added into the molten salt to be heated and dissolved. When the viscosity is enough, the mixture can be pumped by a molten salt pump for circulation, and then the mixture is sent to a heat carrying furnace for gradual circulation and temperature rise to reach the target temperature.

In traditional fused salt energy storage, mainly through the heat-retaining mode that adopts two storage tanks, a hot molten salt storage tank, a cold molten salt storage tank, equipment such as a plurality of powerful special fused salt resistance heater, a plurality of high temperature fused salt pumps, a plurality of low temperature fused salt pumps, shell and tube fused salt heat exchanger and dredging salt jar, connect into a system through longer fused salt pipeline, in order to prevent freezing in the fused salt pipeline use, still install the electric tracing band on pipeline, increase an auxiliary dredging salt system, this system is used for collecting the fused salt that is in equipment such as fused salt pipeline when the system shuts down, whole system conversion efficiency is not high, generally whole delivery to the scene after the factory processing is accomplished, the transportation of big quality is inconvenient, the customization degree is low, the heat loss is big, the heat-retaining is exothermic cost increases.

Therefore, a fused salt heating device which can accelerate heating and conversion efficiency, reduce maintenance cost, adopt a modular design, can be temporarily disassembled and assembled, can be combined randomly and can be used for multi-stage heating is needed by the technical personnel in the field.

Utility model CN107517508A discloses an intermediate frequency fused salt electric heater unit based on concentric sleeve pipe belongs to fused salt heat accumulation heat supply technical field. The induction heating device comprises a controller, an intermediate frequency power supply, an induction coil and an annular concentric heating sleeve, wherein the controller is connected with the intermediate frequency power supply, the intermediate frequency power supply is connected with the induction coil, and the induction coil is spirally wound on the outer surface of the annular concentric heating sleeve in a certain number of turns and is used for heating the annular concentric heating sleeve; the annular concentric heating sleeve is: two concentric pipes with different diameters are sleeved together, an annular gap structure is formed between the two pipe walls, and molten salt is heated and flows in the annular gap structure. By adopting the concentric sleeve structure, the fused salt flows in the annular space, the length of the electric heater can be shortened and the occupied area can be saved under the condition of ensuring that the fused salt raises the same temperature and the same heat flux and heat transfer coefficient of the pipe wall.

Above-mentioned patent heats annular concentric heating sleeve through setting up induction coil, and the fused salt flows in concentric sheathed tube ring dress space structure, but above-mentioned heating device heating volume is few, and the fluid fused salt yield after the heating is low.

Disclosure of Invention

Based on the fused salt conversion rate that exists among the above prior art and the patent is low, the problem that device maintenance cost is high, the utility model aims to provide an energy saving, rate of heating is fast, and the fused salt conversion rate is high, and does not influence the electromagnetic induction fused salt heating device that the fused salt flows to through heating device's modularization dismouting integrated design, improve heating device's application range.

In order to realize the purpose, the utility model adopts the technical proposal that: the utility model provides a collection box formula fused salt heating device, is including the branch workbin that is used for storing the fused salt before the heating, collects the receipts workbin of fused salt after the heating, connects the connecting pipe of branch workbin and receipts workbin to and set up the electromagnetic heater in the connecting pipe outside, electromagnetic heater includes induction coil, induction coil cup joints in the connecting pipe outside, one is no less than in the connecting pipe setting, connecting pipe parallel arrangement.

Foretell collection box formula fused salt heating device, divide the workbin and receive workbin parallel arrangement, divide the workbin setting in the below of receiving the workbin, divide the workbin below to be provided with the feed inlet that is used for supplying fused salt before the heating, the top of receiving the workbin is provided with the discharge gate that is used for exporting fused salt after the heating, the feed inlet is diagonal setting with the discharge gate, feed inlet and/or discharge gate department are provided with the feed fused salt pump that is used for ordering about the fused salt flow.

Foretell collection box fused salt heating device, be provided with the heat preservation that is used for improving the connecting pipe heat insulating ability between the connecting pipe outside and induction coil.

Foretell collection box formula fused salt heating device, collection box formula fused salt heating device establishes ties and sets up and be no less than two sets ofly, and the discharge gate of preceding a set of collection box formula fused salt heating device is connected with a set of collection box formula fused salt heating device's of back feed inlet.

The collecting box type molten salt heating device is characterized in that a connecting molten salt pump for pumping molten salt is arranged between the discharge hole of the front group of collecting box type molten salt heating device and the feed hole of the rear group of collecting box type molten salt heating device.

The utility model relates to a collection box fused salt heating device's beneficial effect is: through using the branch workbin, can preset the fused salt of main heating in advance, through using the receipts workbin, the fused salt after can the technique will heating is accomodate, through seting up the feed inlet in the bottom of branch workbin, the discharge gate has been seted up at the top of receipts workbin, and feed inlet and discharge gate set up in diagonal department, and divide workbin and receipts workbin are connected to the connecting pipe that uses parallel arrangement, can ensure the even connecting pipe through parallel arrangement of fused salt that gets into from the feed inlet, through set up the electromagnetic heater who has induction coil outside the connecting pipe, in-process that the fused salt was carried is ordered about to using the feed fused salt pump, can accomplish the heating process, through the connecting pipe that uses tubular structure, can increase the cross section that the fused salt flowed, thereby ensure the velocity of fused salt, through adding the heat preservation between connecting pipe and induction coil, can avoid the fused salt heat that the heating back flows to run off, through gathering box fused salt heating device series connection, can heat the fused salt through the needs heating of branch rank, thereby reach the purpose that the energy saving and improve the conversion rate, through using the connection fused salt pump, assist the fused salt pump when using a plurality of gathering box heating device series connection group to carry out the fused salt, prevent the fused salt circulation of feeding big fused salt.

Drawings

FIG. 1 is a schematic plan view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the heat-insulating layer of the present invention;

fig. 4 is a schematic view of the lower connector of the present invention;

fig. 5 is a schematic view of the multi-group container type molten salt heating device of the present invention.

The feeding device comprises a material distribution box 10, a feeding hole 101, a material distribution port 102, a lower connector 103, a mounting pipe 104, a pipe cap 105, a spacing groove 106, a material collection box 20, a discharging hole 201, an electromagnetic heater 30, an induction coil 301, a conducting wire 302, heating equipment 303, a heat insulation layer 304, a feeding molten salt pump 305, a connecting molten salt pump 306 and a connecting pipe 40.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description is made with reference to the specific embodiments and the accompanying drawings.

As shown in fig. 1-4, a header-type molten salt heating device comprises a material distribution box 10 for storing molten salt before heating, a feed inlet 101 for supplying molten salt before heating is arranged below the material distribution box, a plurality of material distribution ports 102 are arranged above the material distribution box, the material distribution ports are arranged at equal intervals, the material distribution ports are not coaxial with the feed inlet, the central axis of each material distribution port is parallel to the central axis of the feed inlet, and a lower connector 103 is arranged at each material distribution port.

The material collecting box 20 for collecting the heated fused salt is arranged above the material distributing box in parallel, the material discharging port 201 for outputting the heated fused salt is arranged above the material collecting box, the material collecting ports are arranged below the material collecting box, the number of the material collecting ports is the same as that of the material distributing ports, the material distributing ports and the material collecting ports which correspond up and down are overlapped through the central axes, and the material collecting ports are provided with upper connectors.

The upper connector is the same as the lower connector in structure, the lower connector comprises an installation pipe 104 vertical to a distributing box, and a pipe cap 105 sleeved on the outer side of the installation pipe, the outer side of the installation pipe is provided with threads, a plurality of spacing grooves 106 parallel to the central axis of the installation pipe are arranged on the side wall of the installation pipe, the side wall of the installation pipe is uniformly divided into a plurality of parts by the spacing grooves, the inner side of the pipe cap is provided with internal threads matched with the threads of the installation pipe, the pipe cap is of a ring-mounted through hole structure and is only provided with a pipe cap side wall, a connecting pipe 40 used for connecting the distributing box and a receiving box is sleeved on the inner side of the installation pipe, the connecting pipe is installed in the installation pipe, the pipe cap is screwed tightly, the pipe cap and the connecting pipe are fixedly installed, the sealing sleeve and the sealing sleeve are used for further enhancing the sealing performance and the connecting firmness between the connecting pipe and the installation pipe, the sealing sleeve is sleeved on the outer side of the connecting pipe, and the sealing sleeve can use the existing elastic high-temperature resistant material.

Install the connecting pipe on dividing the workbin and receiving the workbin through using connector and lower connector, it is smooth and easy to ensure to divide the workbin and receive the workbin intercommunication, for heating the fused salt in the connecting pipe, is provided with electromagnetic heater 30 in the connecting pipe outside, and electromagnetic heater is including cup jointing induction coil 301 in the connecting pipe outside, wire 302 to and firing equipment 303, firing equipment can use the power.

In order to ensure the uniformity of molten salt heating, the material distribution box and the material receiving box are arranged in parallel, the feed inlet and the discharge outlet are arranged in a diagonal manner, and the distance between the feed inlet and the discharge outlet is the largest.

Furthermore, the combined material distributing box, the combined material receiving box and the connecting pipe can be welded together in a processing mode.

The separation and combination type material distribution box, the material collection box and the connecting pipe are used, so that the induction coil can be conveniently installed on the connecting pipe and later maintenance can be carried out, the material distribution box, the material collection box and the connecting pipe which are connected together in a welding mode are used, the sealing box is better, and liquid leakage can not occur.

Further, in order to order about the fused salt among the collection box formula fused salt heating device and flow, set up feed fused salt pump 305 at feed inlet and/or discharge gate position, the temperature of feed fused salt pump according to the fused salt, select low temperature fused salt pump or high temperature fused salt pump, divide workbin and receipts workbin parallel arrangement from top to bottom, therefore the feed fused salt pump is when dividing workbin pump sending fused salt, need be full of the fused salt earlier and divide the workbin after, the fused salt just can be followed the connecting pipe and moved to the receipts workbin, and article each other sets up between the connecting pipe, consequently, the connecting pipe leads to the fused salt in the receipts workbin evenly gets into in, and the in-process that the fused salt rises perpendicularly in the connecting pipe, induction coil constantly heats the connecting pipe, thereby ensure the heat conversion rate of fused salt.

Further, be provided with the heat preservation 304 that is used for improving the connecting pipe heat insulating ability between the connecting pipe outside and induction coil, thermal loss can be avoided to the heat preservation, and the fused salt after being heated collects in the material collecting box, then in the pipeline of connecting through discharge gate department carries heat-retaining device or next grade heating device.

Further, in order to further improve the thermal conversion efficiency of the header-type molten salt heating device, at least two sets of header-type molten salt heating devices are arranged in series, the discharge port of the former set of header-type molten salt heating device is connected with the feed port of the latter set of header-type molten salt heating device, and a connecting molten salt pump 306 for pumping molten salt is arranged between the discharge port of the former set of header-type molten salt heating device and the feed port of the latter set of header-type molten salt heating device.

The above embodiments are only for illustrating the structural conception and the characteristics of the present invention, and the purpose thereof is to enable the person skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (5)

1. The utility model provides a header formula fused salt heating device which characterized in that: including the branch workbin that is used for storing the fused salt before the heating, collect the receipts workbin of fused salt after the heating, connect the connecting pipe of branch workbin and receipts workbin to and set up the electromagnetic heater in the connecting pipe outside, electromagnetic heater includes induction coil, induction coil cup joints in the connecting pipe outside, one is no less than in the connecting pipe setting, connecting pipe parallel arrangement.

2. The header-type molten salt heating device according to claim 1, characterized in that: divide the workbin and receive workbin parallel arrangement, divide the workbin setting in the below of receiving the workbin, divide the workbin below to be provided with the feed inlet that is used for supplying fused salt before the heating, the top of receiving the workbin is provided with the discharge gate that is used for exporting fused salt after the heating, the feed inlet is diagonal setting with the discharge gate, feed inlet and/or discharge gate department are provided with and are used for ordering about the feed fused salt pump that the fused salt flows.

3. A header-type molten salt heating apparatus according to claim 2, wherein: and a heat insulation layer for improving the heat insulation property of the connecting pipe is arranged between the outer side of the connecting pipe and the induction coil.

4. A header-type molten salt heating apparatus according to claim 3, wherein: two sets of are no less than to the setting of collection box formula fused salt heating device series connection, and the discharge gate of preceding a set of collection box formula fused salt heating device is connected with a set of collection box formula fused salt heating device's of back feed inlet.

5. A header-type molten salt heating apparatus according to claim 4, wherein: and a connecting molten salt pump for pumping molten salt is arranged between the discharge port of the front group of header type molten salt heating devices and the feed port of the rear group of header type molten salt heating devices.

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