CN221324478U - Novel molten salt furnace burner nozzle assembly - Google Patents

Abstract

The utility model relates to the technical field of burner nozzles, in particular to a novel molten salt furnace burner nozzle assembly, which comprises a combustion pipe section, wherein a flame injection unit is arranged at the right end of the combustion pipe section, lateral pipe orifices at the upper part and the lower part of the combustion pipe section are respectively connected with an oxygen feeding unit, the air outlet end of the oxygen feeding unit is connected with the inside of a mixed combustion chamber, the left end of the mixed combustion chamber is connected with a fuel gas double-feeding unit, an igniter is arranged on the outer side wall of the middle part of the combustion pipe section, and the air inlet ends of the oxygen feeding units and the fuel gas double-feeding units are horizontally arranged and fixedly arranged on a moving unit. The novel molten salt furnace burner nozzle assembly can be shifted as required to achieve the effect of spraying high-temperature flame into the molten salt furnace body, and heating and melting treatment of molten salt are achieved.

Description

Novel molten salt furnace burner nozzle assembly

Technical Field

The utility model relates to the technical field of burner nozzles, in particular to a combined burner nozzle structure capable of effectively controlling and improving fuel gas feeding quantity, and especially relates to a novel molten salt furnace burner nozzle assembly.

Background

The molten salt furnace takes molten salt as a heat carrier, a molten salt pump is utilized to force liquid phase circulation, and after heat energy is transmitted to heat utilization equipment, the heat energy is returned to the reheated direct-current special industrial furnace. When the molten salt furnace is used, solid molten salt is placed in a molten salt tank, natural gas is heated by a burner to jet high-temperature combustion flame and then the natural gas is melted, and after the required temperature is reached, the molten salt is conveyed to devices requiring heat exchange such as the molten salt furnace, a reactor, a heat exchanger and an evaporator by a molten salt pump, so that the aim of heat exchange is fulfilled. Therefore, the sufficiency of gas combustion at the burner and the combustion effect play an important role in the effect of the whole molten salt furnace on the molten salt heating.

The structures of the existing burner nozzles are various, for example, a burner nozzle and a burner nozzle system are disclosed in patent document with a patent authority publication number of CN103912876A, the main structure of the burner nozzle comprises a central tube, an inner sleeve, an outer sleeve, an annular nozzle, an ignition device and the like, a first channel is arranged in the central tube, a first inlet is arranged at the upper part of the central tube, and a first outlet is arranged at the lower end of the central tube; the inner sleeve is sleeved outside the central tube, so that a second channel is formed between the inner sleeve and the central tube, a second inlet is formed in the upper part of the inner sleeve, and a second outlet is formed in the lower end of the inner sleeve; the outer sleeve is sleeved outside the inner sleeve, a third channel is formed between the outer sleeve and the inner sleeve, a third inlet is formed in the upper portion of the outer sleeve, a third outlet is formed in the lower end of the outer sleeve, and the ignition device is arranged between the inner sleeve and the nozzle tube.

The structure of the prior art patent can be seen that the control of the entering amount of the burnt material is realized mainly by adjusting the mode of introducing fuel into the first channel, the second channel and the nozzle tube array, and the ignition of the ignition device is used for realizing the ignition and combustion of fuel gas. Although the nozzle layout can achieve the purpose of controlling the combustion effect by controlling the inlet amount of fuel, the special structure can show that the mode of the annular distribution pipes has difficulty in cleaning impurities after combustion on the inner wall and the outer wall of each pipe after long-term use, and the purpose of effectively cleaning the impurities inside cannot be achieved by means of cleaning. In addition, the annular structure and the sleeve type structure increase the number of the channels, but the channels are still separated based on the original channels, so that the maximum fuel gas feeding amount is not changed in practice, and the actual combustion effect is limited in change.

Therefore, the utility model optimizes and improves the problems in the prior art, and therefore, the utility model provides a combined burner structure which can effectively control and improve the feeding amount of fuel gas and is convenient for cleaning internal impurities, so as to better solve the problems in the prior art.

Disclosure of utility model

The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides a novel fused salt stove combustor nozzle subassembly, includes the burning pipe section the inside of burning pipe section is provided with the mixed combustion chamber the right-hand member of burning pipe section installs a flame injection unit, the inside of flame injection unit with the inside of mixed combustion chamber is linked together the side direction mouth of pipe punishment of burning pipe section upper portion and lower part do not connect and are provided with an oxygen feeding unit, the end of giving vent to anger of oxygen feeding unit with be connected to inside the mixed combustion chamber the left end of mixed combustion chamber is connected with a gas double feed unit, the end of giving vent to anger of gas double feed unit all with inside the mixed combustion chamber is linked together the middle part lateral wall of burning pipe section is last to install the some firearm, the inner of some firearm stretches to inside the mixed combustion chamber, each the inlet end of oxygen feeding unit the inlet end of gas double feed unit all is the level form setting and all fixed mounting on the mobile unit.

In any of the above schemes, preferably, the flame spraying unit includes a first conical short pipe connected with the right end of the combustion pipe section in a sealing and fastening manner through a flange, a first straight short pipe and a second straight short pipe are connected with the right end of the first conical short pipe in a sealing and fastening manner through a flange, and a second conical short pipe is connected with the right end of the second straight short pipe in a sealing and fastening manner through a flange.

In any of the above aspects, it is preferable that the first conical short pipe, the first straight short pipe, the second straight short pipe and the second conical short pipe are all made of stainless steel materials; the first conical short pipe, the first direct short pipe, the second direct short pipe and the inner cavity of the second conical short pipe are combined to form a jet pipe cavity for discharging high-temperature high-pressure flame.

In any of the above schemes, preferably, the gas dual-feeding unit includes a Y-shaped rigid gas inlet pipe that is tightly connected to the left end of the combustion pipe section by a flange, the outlet end of a straight pipe of the Y-shaped rigid gas inlet pipe is communicated with the left end of the hybrid combustion chamber, the inlet ends of inclined pipe sections of the Y-shaped rigid gas inlet pipe are respectively connected with a gas horizontal rigid feeding pipe, and the left ends of the gas horizontal rigid feeding pipes are respectively penetrated out to the moving unit and are relatively fixedly arranged with the moving unit, and the left ends of the gas horizontal rigid feeding pipes are respectively communicated with a gas source by pipelines.

In any of the above schemes, preferably, the oxygen feeding unit includes a rigid oxygen feeding pipe disposed horizontally, an outlet end of the rigid oxygen feeding pipe is bent to form a vertical section and is connected with a lateral pipe orifice at a position corresponding to the combustion pipe section through a flange, a left end of the rigid oxygen feeding pipe penetrates out to the moving unit and is disposed relatively fixedly with the moving unit, and an air inlet end of each rigid oxygen feeding pipe is respectively communicated with an oxygen source through a pipeline.

In any of the above schemes, preferably, the moving unit includes a base box horizontally arranged, a vertical seat is fixedly mounted on the top of the base box, each gas horizontal rigid feed pipe and each rigid oxygen feed pipe are fixedly mounted on the vertical seat, and universal wheels with self-locking functions are respectively and fixedly mounted at four corners of the bottom of the base box.

In any of the above aspects, preferably, a weight storage space is provided inside the base box, and a weight item is placed inside the weight storage space.

In any of the above aspects, preferably, a gas control valve is mounted on each of the gas horizontal rigid feed pipes, and an oxygen control valve is mounted on each of the rigid oxygen feed pipes.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model discloses the stable support of whole structure is realized to the mobile unit of its bottom of whole reliance of fused salt stove combustor nozzle subassembly, and whole nozzle subassembly can shift as required simultaneously in order to reach inside injection high temperature flame to the fused salt stove furnace body, real heating melting treatment to the fused salt.

2. When the burner assembly performs gas ignition treatment, the feeding amount of gas and oxygen can be effectively controlled through the feeding of the gas double-feeding unit and the oxygen feeding units on two sides, so that the igniter can be effectively ensured to fully burn when igniting, and the combustion effect is improved.

3. The flame airflow after combustion is directly sprayed outwards through the flame spraying unit, and the whole flame spraying unit adopts an axial combined structure, so that the flame spraying effect can be effectively achieved, meanwhile, the inner wall impurities of all parts can be conveniently and quickly detached, and the treatment difficulty of the internal combustion impurities is effectively reduced.

4. The moving unit at the bottom is used as a stable structure for supporting the whole burner assembly, the firmness of each pipeline with the right end in an overhanging state can be guaranteed through storing the counterweight articles in the moving unit, and the overall stability of flame sprayed outwards in the combustion process is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are used in the embodiments will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.

Fig. 2 is a schematic structural view of embodiment 2 of the present utility model.

Fig. 3 is a schematic view of a partial internal cross-sectional structure of the present utility model.

In the figure, 1, a combustion pipe section; 2. a mixing combustion chamber; 3. a lateral orifice; 4. an igniter; 5. a first conical stub; 6. a first straight connecting pipe; 7. a second straight connecting pipe; 8. a second conical short tube; 9. y-shaped rigid fuel gas inlet pipe; 10. a gas horizontal rigid feed tube; 11. a rigid oxygen feed tube; 12. a base box; 13. a vertical seat; 14. a universal wheel; 15. a counterweight storage space; 16. a gas control valve; 17. an oxygen control valve; 18. a jet lumen.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in fig. 1-3.

Example 1: the utility model provides a novel fused salt stove combustor nozzle subassembly, includes burning pipe section 1 the inside of burning pipe section 1 is provided with mixed combustion chamber 2 the right-hand member of burning pipe section 1 installs a flame injection unit, the inside of flame injection unit with mixed combustion chamber 2 is inside to be linked together the side direction mouth of pipe 3 punishment of burning pipe section 1 upper portion and lower part do not connect and are provided with an oxygen feeding unit, the end of giving vent to anger of oxygen feeding unit with be connected to inside the mixed combustion chamber 2 the left end of mixed combustion chamber 2 is connected with a gas double feed unit, the end of giving vent to anger of gas double feed unit all with inside the mixed combustion chamber 2 is linked together the inside some firearm 4 of installing on the middle part lateral wall of burning pipe section 1, the inner of some firearm 4 stretches to inside the mixed combustion chamber 2, each the inlet end of oxygen feeding unit the inlet end of gas double feed unit all is the horizontal form setting and all fixedly installed on the mobile unit. The utility model discloses fused salt stove combustor nozzle subassembly needs cooperation outside oxygen gas source, gas source to use at the during operation, can guarantee effectively that control oxygen enters into the inside of mixing combustion chamber 2 from the oxygen feeding unit that corresponds both sides and carries into through the two feeding units of gas and carries out abundant contact to make after the ignition then carry out the intensive mixing with oxygen after realizing abundant burning, the high temperature air current that produces through abundant burning can be directly outwards sprayed through flame injection unit, finally reaches and supplies the fused salt stove to heat required.

In any of the above solutions, preferably, the flame spraying unit includes a first conical short pipe 5 tightly and tightly connected to the right end of the combustion pipe section 1 through a flange, a first straight short pipe 6 and a second straight short pipe 7 are tightly and tightly connected to the right end of the first conical short pipe 5 sequentially through a flange, and a second conical short pipe 8 is tightly and tightly connected to the right end of the second straight short pipe 7 through a flange. The flame jet unit is integrally capable of being rapidly sprayed out of high-temperature air flow after combustion, and meanwhile after long-term use, the first conical short pipe 5, the first straight short pipe 6, the second straight short pipe 7 and the second conical short pipe 8 are all of detachable fixed structures, so that all parts are in shorter lengths after being detached respectively, and the inside of the flame jet unit is convenient to clean by directly utilizing tools when cleaned.

In any of the above embodiments, it is preferable that the first conical short pipe 5, the first straight short pipe 6, the second straight short pipe 7, and the second conical short pipe 8 are made of stainless steel; the first conical short pipe 5, the first straight short connecting pipe 6, the second straight short connecting pipe 7 and the inner cavity of the second conical short pipe 8 are combined to form an injection pipe cavity 18 for discharging high-temperature high-pressure flame. The whole spray pipe cavity formed by combination is in an elongated through cavity structure, and when flame is sprayed out of the spray pipe cavity, the spray pipe cavity can be ensured to generate larger airflow pressure, so that the spraying speed is improved.

In any of the above schemes, preferably, the gas dual-feeding unit includes a Y-shaped rigid gas inlet pipe 9 that is tightly connected to the left end of the combustion pipe section 1 by a flange, the outlet end of a straight pipe of the Y-shaped rigid gas inlet pipe 9 is communicated with the left end of the mixing combustion chamber 2, the inlet ends of inclined pipe sections of the Y-shaped rigid gas inlet pipe 9 are respectively connected with a gas horizontal rigid feed pipe 10, and the left end of each gas horizontal rigid feed pipe 10 passes through the moving unit and is relatively fixedly arranged with the moving unit, and the left end of each gas horizontal rigid feed pipe 10 is respectively communicated with a gas source by a pipeline. The gas double-feeding unit adopts two gas horizontal rigid feeding pipes 10 to supply gas, and simultaneously the gas is mixed by the Y-shaped rigid gas feeding pipe 9 and then fed into the mixed combustion chamber 2, so that the purposes of effectively controlling the gas feeding amount and the gas feeding effect can be achieved, and the control of gas feeding is effectively ensured.

In any of the above schemes, preferably, the oxygen feeding unit includes a rigid oxygen feeding pipe 11 disposed horizontally, an outlet end of the rigid oxygen feeding pipe 11 is bent to form a vertical section and is connected with the lateral pipe orifice 3 at a position corresponding to the combustion pipe section 1 through a flange, a left end of the rigid oxygen feeding pipe 11 penetrates through the moving unit and is disposed relatively fixedly with the moving unit, and an air inlet end of each rigid oxygen feeding pipe 11 is respectively communicated with an oxygen source through a pipeline. The oxygen feeding units are distributed on the upper side and the lower side of the mixed combustion chamber 2 and are positioned at the right end of the fuel gas feeding end, so that the entering fuel gas can fully contact with oxygen under the surrounding of the oxygen on the upper side and the lower side, and the full combustion of the entering fuel gas can be ensured after the ignition of the igniter 4 is triggered, so that the combustion effect of the fuel gas is improved.

In any of the above schemes, preferably, the moving unit includes a base box 12 horizontally disposed, a vertical base 13 is fixedly mounted on the top of the base box 12, each of the gas horizontal rigid feed pipes 10 and each of the rigid oxygen feed pipes 11 are fixedly mounted on the vertical base 13, and universal wheels 14 with self-locking function are respectively and fixedly mounted at four corners of the bottom of the base box 12. The whole mobile unit can mainly utilize the universal wheel 14 to realize the removal when removing, can drive the spare part on it and carry out the aversion as required when removing.

Example 2: the utility model provides a novel fused salt stove combustor nozzle subassembly, includes burning pipe section 1 the inside of burning pipe section 1 is provided with mixed combustion chamber 2 the right-hand member of burning pipe section 1 installs a flame injection unit, the inside of flame injection unit with mixed combustion chamber 2 is inside to be linked together the side direction mouth of pipe 3 punishment of burning pipe section 1 upper portion and lower part do not connect and are provided with an oxygen feeding unit, the end of giving vent to anger of oxygen feeding unit with be connected to inside the mixed combustion chamber 2 the left end of mixed combustion chamber 2 is connected with a gas double feed unit, the end of giving vent to anger of gas double feed unit all with inside the mixed combustion chamber 2 is linked together the inside some firearm 4 of installing on the middle part lateral wall of burning pipe section 1, the inner of some firearm 4 stretches to inside the mixed combustion chamber 2, each the inlet end of oxygen feeding unit the inlet end of gas double feed unit all is the horizontal form setting and all fixedly installed on the mobile unit.

In any of the above solutions, preferably, the flame spraying unit includes a first conical short pipe 5 tightly and tightly connected to the right end of the combustion pipe section 1 through a flange, a first straight short pipe 6 and a second straight short pipe 7 are tightly and tightly connected to the right end of the first conical short pipe 5 sequentially through a flange, and a second conical short pipe 8 is tightly and tightly connected to the right end of the second straight short pipe 7 through a flange.

The flame jet unit is integrally capable of being rapidly sprayed out of high-temperature air flow after combustion, and meanwhile after long-term use, the first conical short pipe 5, the first straight short pipe 6, the second straight short pipe 7 and the second conical short pipe 8 are all of detachable fixed structures, so that all parts are in shorter lengths after being detached respectively, and the inside of the flame jet unit is convenient to clean by directly utilizing tools when cleaned.

In any of the above embodiments, it is preferable that the first conical short pipe 5, the first straight short pipe 6, the second straight short pipe 7, and the second conical short pipe 8 are made of stainless steel; the first conical short pipe 5, the first straight short connecting pipe 6, the second straight short connecting pipe 7 and the inner cavity of the second conical short pipe 8 are combined to form an injection pipe cavity for discharging high-temperature high-pressure flame.

The whole spray pipe cavity formed by combination is in an elongated through cavity structure, and when flame is sprayed out of the spray pipe cavity, the spray pipe cavity can be ensured to generate larger airflow pressure, so that the spraying speed is improved.

In addition, the first conical short pipe 5 and the second conical short pipe 8 can further achieve the purpose of accelerating flame spraying effect by adopting a twice diameter-reducing structure.

In any of the above schemes, preferably, the gas dual-feeding unit includes a Y-shaped rigid gas inlet pipe 9 that is tightly connected to the left end of the combustion pipe section 1 by a flange, the outlet end of a straight pipe of the Y-shaped rigid gas inlet pipe 9 is communicated with the left end of the mixing combustion chamber 2, the inlet ends of inclined pipe sections of the Y-shaped rigid gas inlet pipe 9 are respectively connected with a gas horizontal rigid feed pipe 10, and the left end of each gas horizontal rigid feed pipe 10 passes through the moving unit and is relatively fixedly arranged with the moving unit, and the left end of each gas horizontal rigid feed pipe 10 is respectively communicated with a gas source by a pipeline.

The gas double-feeding unit adopts two gas horizontal rigid feeding pipes 10 to supply gas, and simultaneously the gas is mixed by the Y-shaped rigid gas feeding pipe 9 and then fed into the mixed combustion chamber 2, so that the purposes of effectively controlling the gas feeding amount and the gas feeding effect can be achieved, and the control of gas feeding is effectively ensured.

In any of the above schemes, preferably, the oxygen feeding unit includes a rigid oxygen feeding pipe 11 disposed horizontally, an outlet end of the rigid oxygen feeding pipe 11 is bent to form a vertical section and is connected with the lateral pipe orifice 3 at a position corresponding to the combustion pipe section 1 through a flange, a left end of the rigid oxygen feeding pipe 11 penetrates through the moving unit and is disposed relatively fixedly with the moving unit, and an air inlet end of each rigid oxygen feeding pipe 11 is respectively communicated with an oxygen source through a pipeline.

The oxygen feeding units are distributed on the upper side and the lower side of the mixed combustion chamber 2 and are positioned at the right end of the fuel gas feeding end, so that the entering fuel gas can fully contact with oxygen under the surrounding of the oxygen on the upper side and the lower side, and the full combustion of the entering fuel gas can be ensured after the ignition of the igniter 4 is triggered, so that the combustion effect of the fuel gas is improved.

In any of the above schemes, preferably, the moving unit includes a base box 12 horizontally disposed, a vertical base 13 is fixedly mounted on the top of the base box 12, each of the gas horizontal rigid feed pipes 10 and each of the rigid oxygen feed pipes 11 are fixedly mounted on the vertical base 13, and universal wheels 14 with self-locking function are respectively and fixedly mounted at four corners of the bottom of the base box 12.

The whole mobile unit can mainly utilize the universal wheel 14 to realize the removal when removing, can drive the spare part on it and carry out the aversion as required when removing.

In any of the above embodiments, it is preferable that a weight storage space 15 is provided inside the base case 12, and a weight item is placed inside the weight storage space 15.

The inside of the counterweight storage space 15 can be used for placing tools and counterweight articles to realize the counterweight for the whole stability, thereby effectively ensuring the stability of the whole base box 12.

In any of the above embodiments, it is preferable that a gas control valve 16 is installed on each of the gas horizontal rigid feed pipes 10, and an oxygen control valve 17 is installed on each of the rigid oxygen feed pipes 11.

The amount of fuel gas feeding and oxygen feeding can be controlled through each fuel gas control valve 16 and oxygen control valve 17, so that proper amount of fuel gas and oxygen can be effectively ensured, the full combustion of fuel gas in the burner assembly is ensured, and the combustion effect is improved.

The specific working principle is as follows: the novel molten salt furnace burner nozzle assembly needs to be matched with an external oxygen source and a gas source for use when in operation, can effectively ensure that oxygen is controlled to enter the mixed combustion chamber 2 from the oxygen feeding units at two corresponding sides when in ignition and fully contact with the gas conveyed in by the gas double feeding units, so that after ignition, the novel molten salt furnace burner nozzle assembly is fully mixed with the oxygen, and then fully combusted, and high-temperature air flow generated by the fully combusted air flow can be directly sprayed outwards through the flame spraying unit, and finally the requirement of heating the molten salt furnace is met. The whole moving unit can guarantee the stability of the whole burner assembly by means of the dead weight of the whole moving unit after the burner assembly is installed, the problem of toppling is solved when the whole burner assembly is placed, and the aim of controlling the whole burner assembly to stably move in the horizontal direction is fulfilled.

During operation, the gas double-feeding unit adopts two gas horizontal rigid feeding pipes 10 to supply gas, and simultaneously the gas is mixed through the Y-shaped rigid gas feeding pipe 9 and then is fed into the mixed combustion chamber 2, so that the purposes of effectively controlling the gas feeding amount and the feeding effect can be achieved, the control of gas feeding is effectively ensured, the oxygen feeding units are distributed on the upper side and the lower side of the mixed combustion chamber 2 and are positioned at the right end of the gas feeding end, the entering gas can fully contact with oxygen under the surrounding of oxygen on the upper side and the lower side, the full combustion of the entering gas can be ensured after the ignition of the igniter 4 is triggered, the combustion effect of the gas is improved, and the flame after combustion is rapidly ejected out through the flame injection unit to realize the heating of molten salt in the molten salt furnace at the corresponding position.

In conclusion, the burner assembly of the novel molten salt furnace is integrally supported by virtue of the moving unit at the bottom of the burner assembly, and meanwhile, the whole burner assembly can be shifted as required to spray high-temperature flame into the furnace body of the molten salt furnace, so that the molten salt is heated and melted; when the gas ignition treatment is carried out, the feeding amount of the gas and the oxygen can be effectively controlled through the feeding of the gas double-feeding unit and the oxygen feeding units at the two sides, so that the igniter 4 can be effectively ensured to fully burn the fuel during ignition, and the combustion effect is improved; the flame airflow after combustion is directly sprayed outwards through the flame spraying unit, and the whole flame spraying unit adopts an axial combined structure, so that the flame spraying effect can be effectively achieved, meanwhile, the inner wall impurities of all parts can be conveniently and rapidly detached, and the treatment difficulty of the internal combustion impurities is effectively reduced; the moving unit at the bottom is used as a stable structure for supporting the whole burner assembly, the firmness of each pipeline with the right end in an overhanging state can be guaranteed through storing the counterweight articles in the moving unit, and the overall stability of flame sprayed outwards in the combustion process is guaranteed.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (8)

1. Novel fused salt stove combustor nozzle subassembly, its characterized in that: the gas double-feeding device comprises a combustion pipe section, wherein a mixed combustion chamber is arranged in the combustion pipe section, a flame injection unit is arranged at the right end of the combustion pipe section, the inside of the flame injection unit is communicated with the inside of the mixed combustion chamber, an oxygen feeding unit is respectively connected with lateral pipe orifices at the upper part and the lower part of the combustion pipe section, the air outlet end of the oxygen feeding unit is connected to the inside of the mixed combustion chamber, the left end of the mixed combustion chamber is connected with a gas double-feeding unit, the air outlet ends of the gas double-feeding unit are communicated with the inside of the mixed combustion chamber, an igniter is arranged on the outer side wall of the middle part of the combustion pipe section, the inner end of the igniter extends into the inside of the mixed combustion chamber, and the air inlet ends of the oxygen feeding units and the air inlet ends of the gas double-feeding units are horizontally arranged and fixedly arranged on the moving unit.

2. The novel molten salt furnace burner assembly of claim 1 wherein: the flame spraying unit comprises a first conical short pipe which is in sealing and fastening connection with the right end of the combustion pipe section through a flange plate, wherein the right end of the first conical short pipe is sequentially connected with a first straight short connecting pipe and a second straight short connecting pipe through the flange plate in sealing and fastening manner, and the right end of the second straight short connecting pipe is fixedly connected with a second conical short pipe through the flange plate in sealing and fastening manner.

3. The novel molten salt furnace burner assembly of claim 2 wherein: the first conical short pipe, the first straight short pipe, the second straight short pipe and the second conical short pipe are all made of stainless steel materials; the first conical short pipe, the first direct short pipe, the second direct short pipe and the inner cavity of the second conical short pipe are combined to form a jet pipe cavity for discharging high-temperature high-pressure flame.

4. A novel molten salt furnace burner assembly as claimed in claim 3, wherein: the fuel gas double-feeding unit comprises a Y-shaped rigid fuel gas inlet pipe which is tightly and tightly connected with the left end of the combustion pipe section through a flange plate, the outlet end of a straight pipe of the Y-shaped rigid fuel gas inlet pipe is communicated with the left end of the mixed combustion chamber, the inlet end of an inclined pipe section of the Y-shaped rigid fuel gas inlet pipe is respectively connected with a fuel gas horizontal rigid feeding pipe, the left end of each fuel gas horizontal rigid feeding pipe penetrates through the moving unit and is fixedly arranged relative to the moving unit, and the left end of each fuel gas horizontal rigid feeding pipe is respectively communicated with a fuel gas source through a pipeline.

5. The novel molten salt furnace burner assembly of claim 4 wherein: the oxygen feeding unit comprises a rigid oxygen feeding pipe which is horizontally arranged, the outlet end of the rigid oxygen feeding pipe is bent to form a vertical section and is connected with a lateral pipe orifice at the corresponding position of the combustion pipe section through a flange plate, the left end of the rigid oxygen feeding pipe penetrates out to the moving unit and is fixedly arranged relative to the moving unit, and the air inlet end of each rigid oxygen feeding pipe is communicated with an oxygen source through a pipeline.

6. The novel molten salt furnace burner assembly of claim 5 wherein: the mobile unit comprises a base box which is horizontally arranged, a vertical seat is fixedly arranged at the top of the base box, each gas horizontal rigid feed pipe and each rigid oxygen feed pipe are fixedly arranged on the vertical seat, and universal wheels with self-locking functions are respectively and fixedly arranged at four corners of the bottom of the base box.

7. The novel molten salt furnace burner assembly of claim 6 wherein: the base box is internally provided with a counterweight storage space, and the counterweight storage space is internally used for placing counterweight articles.

8. The novel molten salt furnace burner assembly of claim 7 wherein: and each gas horizontal rigid feed pipe is provided with a gas control valve, and each rigid oxygen feed pipe is provided with an oxygen control valve.