CN215372546U - Novel low-nitrogen fuel gas molten salt heating device - Google Patents

Abstract

The utility model relates to the technical field of a molten salt heating accessory device, in particular to a novel low-nitrogen fuel gas molten salt heating device; the difficult point of fused salt backward flow unloading when can effectively solve the fused salt and start-up when melting difficult point and heating, improve the practicality, the induction cooker comprises a cooker bod, the inside of furnace body is provided with stove courage and flue gas circulation room, the left end of furnace body is provided with the combustor, the output of combustor stretches into to the stove courage in, the right-hand member of furnace body is provided with the exhanst gas outlet, the flue gas circulation room includes left smoke chamber, right smoke chamber, first flue of multiunit and multiunit second flue, the bottom and the stove courage of right smoke chamber communicate with each other, the top of furnace body is provided with the fused salt bin, be provided with the heat-conducting plate between fused salt bin and the flue gas circulation room, the inside of fused salt bin is provided with places the chamber, the top intercommunication of fused salt bin is provided with a plurality of installation interfaces, and install the fused salt pump at the installation interface, the input of fused salt pump stretches into to placing the intracavity.

Description

Novel low-nitrogen fuel gas molten salt heating device

Technical Field

The utility model relates to the technical field of molten salt heating auxiliary devices, in particular to a novel low-nitrogen fuel gas molten salt heating device.

Background

In order to implement an action plan for preventing and controlling air pollution released by a state institute, the action plan for cleaning air is practically implemented, the quality of the atmospheric environment is continuously improved, and the state executes a special emission index on the smoke emission after the combustion of a boiler. (1) For gas equipment, the control index of the gas equipment is the nitrogen oxide emission value, the existing gas molten salt furnace on the market is provided with the imported low-nitrogen type burner, and the generation factor of the nitrogen oxide is not considered at the beginning of the design of the device, so that the low-nitrogen type burner is timely configured, and the nitrogen oxide value generated by the device at last is still far greater than the standard requirement. (2) The prior molten salt device system is divided into a heating system and a storage system, a heating furnace and a molten salt storage tank are two different devices, at the beginning of the operation of the device, a medium in the molten salt tank is in a solid state, and how to change the medium into liquid and safely convey the liquid into the heating furnace, so that the device can be safely operated in time, which is a difficult point of the device all the time, and is difficult to improve in the industry for many years.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the novel low-nitrogen fuel gas molten salt heating device which can effectively solve the difficulty of melting when the molten salt is started and the difficulty of molten salt backflow and emptying when the molten salt is heated, and improves the practicability.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a novel low-nitrogen fuel gas fused salt heating device comprises a furnace body, wherein a furnace liner and a smoke circulating chamber are arranged inside the furnace body, a burner is arranged at the left end of the furnace body, the output end of the burner extends into the furnace liner, a smoke outlet is formed in the right end of the furnace body, the smoke circulating chamber comprises a left smoke chamber, a right smoke chamber, a plurality of groups of first flues and a plurality of groups of second flues, the bottom of the right smoke chamber is communicated with the furnace liner, the left end and the right end of each group of first flues are respectively communicated with the left smoke chamber and the right smoke chamber, the left end of each group of second flues is communicated with the left smoke chamber, the right end of each group of second flues is communicated with the smoke outlet, a fused salt storage box is arranged at the top of the furnace body, a heat conducting plate is arranged between the fused salt storage box and the smoke circulating chamber, a placing cavity is arranged inside the fused salt storage box, and a plurality of installing interfaces are communicated with the top of the fused salt storage box, and a molten salt pump is arranged at the mounting interface, and the input end of the molten salt pump extends into the placing cavity.

Preferably, the burner is a low-nitrogen combustion gas burner.

Preferably, the top end of the molten salt storage tank is provided with a manhole, an air release vent and a salt return port in a communicating manner.

Preferably, the right end of the furnace body is provided with a gas explosion-proof door communicated with the furnace pipe.

Preferably, the top of heat-conducting plate is the concave surface structure to heat-conducting fin and multiunit back heat-conducting fin before the preceding half region of concave surface is provided with multiunit respectively on the heat-conducting plate with latter half region, heat-conducting fin and multiunit back heat-conducting fin interval set up before the multiunit.

Preferably, the rear end of the front heat conduction fin is positioned in front of the middle part of the heat conduction plate, and the front end of the rear heat conduction fin is positioned behind the middle part of the heat conduction plate.

Preferably, a plurality of groups of supporting beams for supporting the heat-conducting plate are arranged in the smoke circulation chamber.

Preferably, be provided with the multiunit heat absorption fin in the flue gas circulation room, be provided with multiunit first through-hole and multiunit second through-hole on the heat absorption fin, multiunit first flue runs through the multiunit first through-hole of multiunit heat absorption fin, multiunit second flue runs through the multiunit second through-hole of multiunit heat absorption fin, and the top of heat absorption fin is connected with the bottom of heat-conducting plate.

Preferably, the furnace pipe is made of a corrugated steel plate.

Preferably, the outer surfaces of the furnace body and the molten salt storage tank are both provided with heat preservation layers, and the heat preservation layers are made of superfine glass wool.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel low-nitrogen fuel gas molten salt heating device, which has the following beneficial effects:

1. the novel low-nitrogen fuel gas fused salt heating device burns in the furnace pipe through the burner, high-temperature smoke generated by burning enters the right smoke chamber and enters the left smoke chamber through the multiple groups of first flues, the high-temperature smoke in the left smoke chamber enters the smoke outlet through the multiple groups of second flues to be discharged, the temperature in the smoke circulating chamber directly heats solid fused salt in the fused salt storage tank through the heat conducting plate, the fused salt storage tank and the furnace body are combined together, and the problem that the fused salt is cooled and solidified during the operation of an empty pipe of heating equipment and the operation stop of the equipment during the start-up of the device is effectively solved;

2. this novel low nitrogen gas fused salt heating device, fused salt bin install in the top of furnace body, can be with the bigger of the size design of stove courage under the condition of equal volume, have suppressed nitrogen oxide's formation greatly, and the low nitrogen gas burner on the cooperation market can realize ultralow nitrogen and discharge, improves the feature of environmental protection.

Drawings

FIG. 1 is a schematic view of the present invention with the molten salt pump removed;

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a perspective view of the thermally conductive plate of the present invention;

FIG. 5 is a schematic perspective view of the present invention from another angle than that shown in FIG. 4;

in the drawings, the reference numbers: 1. a furnace body; 2. a furnace pipe; 3. a burner; 4. a flue gas outlet; 5. a left smoking chamber; 6. a right smoking chamber; 7. a first flue; 8. a second flue; 9. a molten salt storage tank; 10. A heat conducting plate; 11. installing an interface; 12. a molten salt pump; 13. a manhole; 14. emptying the exhaust hole; 15. a gas explosion vent; 16. a front heat conducting fin; 17. a rear heat-conducting fin; 18. a support beam; 19. a heat absorbing fin; 20. a heat-insulating layer; 21. and returning salt to the mouth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the novel low-nitrogen gas molten salt heating device of the utility model comprises a furnace body 1, a furnace pipe 2 and a flue gas circulation chamber are arranged inside the furnace body 1, the furnace pipe 2 is a corrugated steel plate and can reduce the influence of thermal stress, a burner 3 is arranged at the left end of the furnace body 1, the burner 3 is the low-nitrogen gas burner 3, the output end of the burner 3 extends into the furnace pipe 2, a flue gas outlet 4 is arranged at the right end of the furnace body 1, the flue gas circulation chamber comprises a left flue chamber 5, a right flue chamber 6, a plurality of groups of first flues 7 and a plurality of groups of second flues 8, the bottom of the right flue chamber 6 is communicated with the furnace pipe 2, the left end and the right end of the plurality of groups of first flues 7 are respectively communicated with the left flue chamber 5 and the right flue chamber 6, the left ends of the plurality of groups of second flues 8 are respectively communicated with the left flue chamber 5, the right ends of the plurality of second flues 8 are respectively communicated with the flue gas outlet 4, furnace body 1's top is provided with fused salt bin 9, be provided with heat-conducting plate 10 between fused salt bin 9 and the flue gas circulation room, fused salt bin 9's inside is provided with places the chamber, and fused salt bin 9's top intercommunication is provided with a plurality of installation interface 11 to install fused salt pump 12 in installation interface 11 department, the input of fused salt pump 12 stretches into to placing the intracavity, fused salt bin 9's top intercommunication is provided with manhole 13, unloading exhaust hole 14 and salt return mouth, and manhole 13 makes things convenient for artifical the maintenance, and manhole 13 can add the salt mouth as the system moreover, and powdered fused salt drops into fused salt bin 9 occasionally when dropping into, and unloading exhaust hole 14 has the carminative function of protection.

The right end of the furnace body 1 is provided with a gas explosion-proof door 15 communicated with the furnace pipe 2; the condition that the gas combustion is incomplete to generate deflagration is prevented, so that the safe operation of equipment is ensured.

The top of the heat conducting plate 10 is of a concave surface structure, a plurality of groups of front heat conducting fins 16 and a plurality of groups of rear heat conducting fins 17 are respectively arranged in the front half area and the rear half area of the concave surface of the heat conducting plate 10, the plurality of groups of front heat conducting fins 16 and the plurality of groups of rear heat conducting fins 17 are arranged at intervals, the rear end of each front heat conducting fin 16 is positioned in front of the middle part of the heat conducting plate 10, the front end of each rear heat conducting fin 17 is positioned behind the middle part of the heat conducting plate 10, the front heat conducting fins 16 and the rear heat conducting fins 17 cannot influence the flowing of fused salt in the placing cavity, the effective heat exchange area of the fused salt with solid state is improved through the front heat conducting fins 16 and the rear heat conducting fins 17, the heat exchange efficiency is improved, a plurality of groups of supporting beams 18 for supporting the heat conducting plate 10 are arranged in the smoke circulation chamber, the supporting effect of the heat conducting plate 10 is improved through the supporting beams 18, and the plurality of groups of heat absorbing fins 19 are arranged in the smoke circulation chamber, be provided with the first through-hole of multiunit and multiunit second through-hole on the heat absorption fin 19, multiunit first flue 7 runs through the first through-hole of multiunit heat absorption fin 19's multiunit, multiunit second flue 8 runs through the multiunit second through-hole of multiunit heat absorption fin 19, and the top of heat absorption fin is connected with the bottom of heat-conducting plate, and the heat meeting diameter of first flue 7 and second flue 8 transmits for heat-conducting plate 10 through heat absorption fin 19, further improves the heat transfer effect.

The surface of furnace body 1 and fused salt bin 9 all is provided with heat preservation 20, heat preservation 20 adopts the cotton material of superfine glass, connects through heat-conducting plate 10 between fused salt bin 9 and the furnace body 1, and fused salt bin 9 and furnace body 1's outside all is provided with heat preservation 20, prevents thermal loss, improves the security moreover, prevents that personnel from scalding.

When the device is used, high-temperature flue gas generated by combustion enters the right smoke chamber 6 and enters the left smoke chamber 5 through the first smoke flues 7, high-temperature flue gas in the left smoke chamber 5 enters the flue gas outlet 4 through the second smoke flues 8, the temperature in the flue gas circulation chamber directly heats solid molten salt in the molten salt storage tank 9 through the heat conduction plate 10, the molten salt is heated to a flowing state and then is sent to heat utilization equipment through the molten salt pump 12 to release heat and then flows back through the salt return port, the molten salt storage tank 9 and the furnace body 1 are combined together, and the problem that the molten salt is cooled and solidified and melted during the operation of an empty pipe of the heating equipment and the operation stop of the equipment when the device is started is effectively solved; molten salt bin 9 is installed on the top of furnace body 1, can be with the bigger of the size design of furnace pipe 2 under the condition of equal volume, has inhibited nitrogen oxide's formation greatly, cooperates low nitrogen gas combustion ware 3 on the market, can realize ultralow nitrogen and discharge, improves the feature of environmental protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The novel low-nitrogen fuel gas molten salt heating device is characterized by comprising a furnace body (1), wherein a furnace pipe (2) and a flue gas circulation chamber are arranged inside the furnace body (1), a burner (3) is arranged at the left end of the furnace body (1), the output end of the burner (3) extends into the furnace pipe (2), a flue gas outlet (4) is arranged at the right end of the furnace body (1), the flue gas circulation chamber comprises a left flue chamber (5), a right flue chamber (6), a plurality of groups of first flues (7) and a plurality of groups of second flues (8), the bottom of the right flue chamber (6) is communicated with the furnace pipe (2), the left end and the right end of the plurality of groups of first flues (7) are respectively communicated with the left flue chamber (5) and the right flue chamber (6), the left ends of the plurality of groups of second flues (8) are communicated with the left flue chamber (5), and the right ends of the plurality of groups of second flues (8) are communicated with the flue gas outlet (4), the top of furnace body (1) is provided with fused salt bin (9), be provided with heat-conducting plate (10) between fused salt bin (9) and the flue gas circulation room, the inside of fused salt bin (9) is provided with places the chamber, and the top intercommunication of fused salt bin (9) is provided with a plurality of installation interface (11) to install fused salt pump (12) in installation interface (11) department, the input of fused salt pump (12) stretches into to placing the intracavity.

2. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein the combustor (3) is a low-nitrogen combustion fuel gas combustor (3).

3. The novel low-nitrogen fuel gas molten salt heating device is characterized in that a manhole (13), a vent hole (14) and a salt return port (21) are arranged at the top end of the molten salt storage tank (9) in a communication mode.

4. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein a fuel gas explosion door (15) communicated with the furnace pipe (2) is arranged at the right end of the furnace body (1).

5. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein the top of the heat conducting plate (10) is of a concave structure, a plurality of groups of front heat conducting fins (16) and a plurality of groups of rear heat conducting fins (17) are respectively arranged on the front half area and the rear half area of the concave surface of the heat conducting plate (10), and the plurality of groups of front heat conducting fins (16) and the plurality of groups of rear heat conducting fins (17) are arranged at intervals.

6. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 5, wherein the rear ends of the front heat conducting fins (16) are located in front of the middle of the heat conducting plate (10), and the front ends of the rear heat conducting fins (17) are located behind the middle of the heat conducting plate (10).

7. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein a plurality of groups of supporting beams (18) supporting the heat conducting plate (10) are arranged in the flue gas flow chamber.

8. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein multiple groups of heat absorption fins (19) are arranged in the flue gas circulation chamber, multiple groups of first through holes and multiple groups of second through holes are formed in the heat absorption fins (19), multiple groups of first flues (7) penetrate through the multiple groups of first through holes of the multiple groups of heat absorption fins (19), multiple groups of second flues (8) penetrate through the multiple groups of second through holes of the multiple groups of heat absorption fins (19), and the top ends of the heat absorption fins (19) are connected with the heat conduction plate (10).

9. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein the furnace pipe (2) is made of a corrugated steel plate.

10. The novel low-nitrogen fuel gas molten salt heating device as claimed in claim 1, wherein the outer surfaces of the furnace body (1) and the molten salt storage tank (9) are respectively provided with an insulating layer (20), and the insulating layers (20) are made of superfine glass wool.

Images