CN214147926U

CN214147926U - Industrial waste salt spray burning system

Info

Publication number: CN214147926U
Application number: CN202022897155.3U
Authority: CN
Inventors: 杨丽娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-07
Anticipated expiration: 2030-12-04

Abstract

The utility model belongs to the technical field of the useless salt of industry is handled, specifically provide an industry useless salt spray burning system. The utility model discloses aim at solving the innocent treatment of current industry waste salt thorough problem inadequately. Mesh for this reason, the utility model discloses an industry waste salt spray-burning system is including the spray-burning casing, burner, smash the powder device that blows, the cooling crystallization device, be equipped with the combustion chamber in the spray-burning casing, burner is last to be equipped with gas entry and oxygen entry, burner embedding spray-burning casing is last, and burner's combustion part is located the combustion chamber side, smash the waste salt powder flow path among the powder device and finally reach the combustion area of combustion part, the combustion chamber communicates with the entry of cooling crystallization device, the cooling crystallization device is equipped with the crystalline salt discharge port. The waste salt powder is directly combusted in the combustion area, so that organic components in the waste salt powder can be thoroughly decomposed, organic matters can be thoroughly removed, and the harmless treatment of industrial waste salt is relatively thorough.

Description

Industrial waste salt spray burning system

Technical Field

The utility model belongs to the technical field of the useless salt of industry is handled, specifically provide an industry useless salt spray burning system.

Background

The industrial waste salt has wide sources, relates to the industries of pesticides, pharmacy, dyes, printing and dyeing, electroplating and the like, contains a large amount of toxic and harmful substances, such as pollutants of organic matters, heavy metals and the like, is highly toxic and difficult to degrade, is often accompanied by pungent smell, and is easy to pollute soil, underground water and air.

The current common methods for treating industrial waste salt are as follows: firstly, the direct incineration method is characterized in that waste salt is put into an incinerator for high-temperature heating, part of organic impurities are decomposed and volatilized at high temperature, inorganic salt is melted at high temperature and flows into the bottom of the incinerator, and the inorganic salt is cooled and then recovered; secondly, harmless landfill is carried out, in the mode, after waste salt is solidified, special landfill treatment is carried out according to relevant laws and regulations of national hazardous waste treatment, the method is high in cost, large in occupied land amount, and meanwhile, the risk of secondary environmental hazard exists.

Accordingly, there is a need in the art for a new system for spray-burning industrial waste salt to solve the problem of incomplete harmless treatment of the existing industrial waste salt.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem among the prior art, in order to solve the problem that the innocent treatment of the existing industrial waste salt is thorough inadequately for solving, the utility model provides an industrial waste salt spray burning system, including spray burning casing, burner, smash and blow the powder device, cool off the crystallizer, be equipped with the combustion chamber in the spray burning casing, be equipped with gas inlet and oxygen entry on the burner, burner embedding is on the spray burning casing, and the combustion part of burner is located the combustion chamber side, the waste salt powder flow path in the crushing and blow the powder device finally reaches the combustion area of combustion part, the combustion chamber with cool off the entrance intercommunication of crystallizer, the cooling crystallizer is equipped with the crystalline salt discharge port; the crushing and powder blowing device is used for crushing waste salt to form the waste salt powder, the waste salt powder is conveyed to the combustion area to be combusted through the waste salt powder flow path, fuel enters the combustion device through the fuel gas inlet, oxygen enters the combustion device through the oxygen inlet to enable organic matters in the waste salt powder to be thoroughly decomposed, combusted molten salt and residues enter the cooling crystallization device through the inlet of the cooling crystallization device to be cooled and crystallized, and crystallized salt is discharged through the crystallized salt outlet.

In the preferable technical scheme of the industrial waste salt spray burning system, a waste salt powder inlet is formed in the combustion device, and the crushing and powder blowing device is communicated with the waste salt powder inlet through the waste salt powder flow path, so that the waste salt powder is mixed with the fuel and the oxygen in the combustion device and then is burnt.

In the preferred technical scheme of above-mentioned industry waste salt spray-burning system, be equipped with waste salt powder entry on the spray-burning casing, smash and blow the powder device and pass through waste salt powder flow path with waste salt powder entry intercommunication, smash and blow and be equipped with the flow control device on the powder device, in order to control waste salt powder can contact completely the combustion area.

In the preferable technical scheme of the industrial waste salt spray burning system, the spray burning system further comprises a drying device, and the drying device is communicated with an inlet of the crushing and powder blowing device.

In the preferable technical scheme of the industrial waste salt spray burning system, the drying device comprises a drying shell, a driving motor and a spiral shaft, a feeding hole, a discharging hole and an air outlet are formed in the drying shell, the discharging hole is communicated with an inlet of the crushing and powder blowing device, the spiral shaft is located on the inner side of the drying shell, the driving motor is fixed on the outer side of the drying shell and connected with the spiral shaft, and the spiral shaft on the side of the feeding hole and the drying shell are coated with anticorrosive materials.

In the preferred technical scheme of above-mentioned industry waste salt spray burning system, the spray burning system still includes steam treatment device, steam treatment device includes vapour and liquid separator, last gas-liquid inlet, the comdenstion water export and the gas vent of being equipped with of vapour and liquid separator, dry casing and cover are established form the heating chamber between the shell in the dry casing outside, the gas vent with the heating chamber intercommunication.

In a preferred technical solution of the above industrial waste salt spray burning system, the condensed water outlet is communicated with a condensed water inlet of the cooling crystallization device.

In the preferable technical scheme of the industrial waste salt spray burning system, a spray pipe is arranged at the outlet of the cooling crystallization device, and the condensed water outlet is communicated with the spray pipe.

In a preferred embodiment of the above-mentioned industrial waste salt spray burning system, the steam treatment device further comprises a water treatment device, and/or the water treatment device is located between the condensed water outlet and the condensed water inlet of the cooling crystallization device; the combustion device is a gas burner.

In a preferred technical solution of the above industrial waste salt blasting system, the pulverizing and powder blowing device includes a jet device and a pulverizer, the discharge port on the drying casing is communicated with an inlet of the pulverizer, an outlet of the pulverizer is communicated with an inlet of the jet device, and a jet path of the jet device can finally reach a combustion area of the combustion part, and/or; the cooling crystallization device is internally provided with cooling water, slag scraping devices are arranged at the water surface of the cooling water and at the bottom of the cooling crystallization device, and the cooling crystallization device is also internally provided with a crystallized salt discharging device.

The technical solution of the present invention is that, the industrial waste salt spray burning system includes a spray burning housing, a combustion device, a pulverizing and powder blowing device, and a cooling crystallization device, wherein a combustion chamber is provided in the spray burning housing, the combustion device is provided with a gas inlet and an oxygen inlet, the combustion device is embedded in the spray burning housing, and a combustion part of the combustion device is located on the side of the combustion chamber; crushing and blowing the powder device and forming waste salt powder after breaking waste salt, and send waste salt powder to through waste salt powder flow path the combustion area burns, wherein, fuel passes through in the gas entry gets into combustion apparatus, oxygen gets into combustion apparatus in through the oxygen entry to make the organic matter in the waste salt powder thoroughly decompose, fused salt and residue after the burning enter into the cooling crystallization device through the entry of cooling crystallization device and cool off the crystallization, the crystallization salt warp after the crystallization salt discharge port is discharged.

Through the mode, make the utility model discloses an organic matter in the waste salt directly carries out flame combustion in burner's combustion area, compares traditional carrying out high temperature treatment in the incinerator, the utility model discloses an organic component decomposes more thoroughly to make the innocent treatment of industry waste salt more thorough.

Drawings

The industrial waste salt spray burning system of the present invention will be described with reference to the accompanying drawings. In the drawings:

fig. 1 is a schematic structural diagram of an industrial waste salt spray burning system of the present invention.

List of reference numerals:

1-spray-burning the shell; 11-a combustion chamber; 2-a combustion device; 21-a gas inlet; 22-oxygen inlet; 23-inlet of waste salt powder; 24-a combustion section; 3-crushing and powder blowing device; 31-an ejector; 32-a pulverizer; 4-cooling the crystallization device; 41-crystalline salt discharge port; 42-a spray pipe; 5-a drying device; 51-drying the shell; 511-feed inlet; 512-discharge hole; 513-an air outlet; 52-a drive motor; 53-helical axis; 54-a heating chamber; 6-a steam treatment device; 61-a gas-liquid separator; 611-gas-liquid inlet; 612-a condensate outlet; 613-exhaust port; 62-water treatment facilities.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the transportation of the waste salt is described as a screw shaft in the specification, it is obvious that the present invention can adopt other transportation modes in various forms, such as belt conveying, etc., as long as the drying device has the effect of drying and pushing the waste salt.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, in order to solve the problem of insufficient harmless treatment of the existing industrial waste salt, the utility model discloses an industrial waste salt spray burning system includes spray burning casing 1, combustion apparatus 2, crushing and blowing device 3, cooling crystallization device 4, be equipped with combustion chamber 11 in the spray burning casing 1, be equipped with gas inlet 21 and oxygen inlet 22 on the combustion apparatus 2, combustion apparatus 2 imbeds on the spray burning casing 1, and combustion portion 24 of combustion apparatus 2 is located combustion chamber 11 side, the waste salt powder flow path in the crushing and blowing device 3 finally reaches the combustion area of combustion portion 24, combustion chamber 11 communicates with the entry of cooling crystallization device 4, cooling crystallization device 4 is equipped with crystallized salt discharge port 41; the crushing and powder blowing device 3 crushes waste salt to form waste salt powder, the waste salt powder is sent to the combustion area for combustion through a waste salt powder flow path, wherein fuel enters the combustion device 2 through the fuel gas inlet 21, oxygen enters the combustion device 2 through the oxygen inlet 22, so that organic matters in the waste salt powder are thoroughly decomposed, the combusted molten salt and residues enter the cooling and crystallizing device 4 through the inlet of the cooling and crystallizing device 4 for cooling and crystallizing, and crystallized salt is discharged through the crystallized salt discharge port 41.

The setting mode has the advantages that: waste salt is through the pure useless salt powder that blows device formation of powder and is burnt in the combustion area for organic matter and other combustible component in the waste salt decompose and the burning under high temperature, compare in the tradition carry out high temperature treatment with waste salt in the incinerator, the utility model discloses an organic composition decomposes more thoroughly, and fused salt and residue after the burning form the crystalline salt and discharge by crystalline salt discharge port 41 behind cooling crystallization device 4, thereby realize waste salt "detoxify", wherein, as a preferred implementation mode, combustion chamber 11 directly communicates with cooling crystallization device 4's entry, thereby has avoided the industrial salt crystallization in combustion chamber 11, causes the outlet blockage of combustion chamber 11.

Further, the fuel used in the combustion apparatus 2 may take various forms, for example, a combustible gas, a fuel oil, or the like.

With continued reference to fig. 1, in one possible embodiment, the combustion apparatus 2 is provided with a waste salt powder inlet 23, and the pulverizing and blowing device 3 is communicated with the waste salt powder inlet 23 through a waste salt powder flow path, so that the waste salt powder is mixed with fuel and oxygen in the combustion apparatus 2 and then combusted.

The setting mode has the advantages that: waste salt powder passes through waste salt powder entry 23 and gets into burner 2 in, and mix with fuel and oxygen in burner 2, then burn in the combustion area, wherein, waste salt powder flow path can be realized through the pipeline, waste salt powder passes through in the pipeline gets into burner 2, until burning, the whole process of flowing of waste salt powder can realize not contacting with the external world promptly, and then avoid leaking of waste salt powder, and then cause environmental pollution, in addition, can also be through the flow of control waste salt powder, improve the combustion efficiency of waste salt powder, and then make waste salt powder organic component totally decomposed, make its thoroughly eliminate.

In another possible embodiment, the burner housing 1 is provided with a waste salt powder inlet 23, the pulverizing and powder-blowing device 3 is communicated with the waste salt powder inlet 23 through a waste salt powder flow path, and the pulverizing and powder-blowing device 3 is provided with a flow control device to control the waste salt powder to be in full contact with the combustion area.

The setting mode has the advantages that: make the waste salt powder have the velocity of flow of setting for through setting up of flow control device to make whole waste salt powder burn in the combustion area, avoided waste salt powder not receive the combustion process directly to get into in cooling crystallization device 4, in addition, this kind of arrangement mode still is favorable to protecting combustion device 2's combustion port, avoids it to take place to block up.

With continued reference to fig. 1, in one possible embodiment, the burner system further comprises a drying device 5, the drying device 5 being in communication with the inlet of the pulverizing and blowing device 3.

The setting mode has the advantages that: through the arrangement of the drying device 5, the waste salt is dried in advance, so that the corrosivity of the waste salt is reduced, the corrosion of the waste salt to equipment can be prevented, the dried waste salt enters the crushing and powder blowing device 3 through the inlet of the crushing and powder blowing device, the crushing of the waste salt is facilitated, and the blowing effect of the crushing and powder blowing device 3 can be improved; due to the fact that the corrosion of waste salt is reduced, the corrosion resistance standard of the subsequent crushing and powder blowing device 3, the combustion device 2, the spray-burning shell 1 and the cooling crystallization device 4 is lowered, and the production period, the production cost, the service life and the danger of the whole system are greatly reduced.

With continued reference to fig. 1, in a possible embodiment, the drying device 5 includes a drying housing 51, a driving motor 52 and a screw shaft 53, the drying housing 51 is provided with a feeding port 511, a discharging port 512 and an air outlet 513, the discharging port 512 is communicated with the inlet of the pulverizing and powder-blowing device 3, the screw shaft 53 is located inside the drying housing 51, the driving motor 52 is fixed outside the drying housing 51 and is connected with the screw shaft 53, the screw shaft 53 on the feeding port 511 side and the drying housing 51 are coated with an anticorrosive material, and it can be understood by those skilled in the art that the driving motor 52 can drive the screw shaft 53 to rotate inside the drying housing 51 to complete the pushing of the waste salt.

The setting mode has the advantages that: waste salt firstly enters the drying shell 51 from the feeding port 511 of the drying shell 51 for drying, and is pushed to the discharging port 512 under the conveying of the screw shaft 53, the dried waste salt is discharged from the discharging port 512 and enters the crushing and powder blowing device 3, wherein the generated gas is discharged from the gas outlet 513, and the generated gas can provide heat for the drying device 51, wherein the screw shaft 53 has a certain stirring effect on the waste salt to ensure that the waste salt is heated more uniformly, so that the waste salt is fully dried, the corrosivity of subsequent equipment is greatly reduced, furthermore, the screw shaft 53 at the feeding port 511 side and the drying shell 51 are coated with an anticorrosive material, because the waste salt enters the drying shell 51, after the screw shaft 53 is pushed to a certain stroke, the corrosivity of the dried waste salt is effectively reduced, and therefore, only parts in contact with the waste salt at the feeding port 511 side need to be subjected to anticorrosive treatment, thereby enabling a significant reduction in the manufacturing costs of the device.

In addition, the heat of the drying casing 51 is transferred to the waste salt through the drying casing 51 by using a heat source, and the heating method mainly includes: the heat transfer may be achieved by a heating medium, which may take various forms, such as high temperature flue gas, heat transfer oil, etc., or by flame combustion, or a combination of both.

With continued reference to fig. 1, in a possible embodiment, the burner system further includes a steam treatment device 6, the steam treatment device 6 includes a gas-liquid separator 61, the gas-liquid separator 61 is provided with a gas-liquid inlet 611, a condensed water outlet 612 and an exhaust port 613, a heating cavity 54 is formed between the drying shell 51 and the outer shell sleeved outside the drying shell 51, and the exhaust port 613 is communicated with the heating cavity 54.

The setting mode has the advantages that: waste salt can produce a large amount of steam through cooling crystallization device 4, the steam through handling enters into vapour and liquid separator 61, the gas that has the heat after the heat transfer enters into heating chamber 54 of dry casing 51 through gas vent 613, for dry casing 51 provides the heat source, realize resource utilization, improve energy utilization, in addition, technical personnel in the art can understand, this vapour and liquid separator 61 is that to have the chilling effect, can cool the hot flue gas of more than 900 ℃ to 300 ℃ in a short time, prevent to produce the dioxin.

With continued reference to FIG. 1, in one possible embodiment, the condensate outlet 612 is in communication with a condensate inlet of the cooling crystallization device 4.

The setting mode has the advantages that: the condensed water in the gas-liquid separator 61 is discharged from the condensed water outlet 612 and introduced into the crystallization device as a cooling medium for the slag, so that the slag is recycled, and the resource utilization rate is improved.

With continued reference to fig. 1, in one possible embodiment, a shower pipe 42 is provided at the outlet of the cooling crystallization device 4, and the condensed water outlet 612 is communicated with the shower pipe 42.

The setting mode has the advantages that: the steam that produces in the cooling crystallization device 4 can be through its export outwards discharge, the utility model discloses a realize the resource utilization of green energy-conservation and discarded object, set up shower 42, the moisture that sprays through shower 42 contains the salinity in with steam and dissolves in the aquatic to the gas-liquid that makes to enter into in the vapour and liquid separator 61 contains very low salinity, prevents its corrosion apparatus, during the comdenstion water that the separation obtained lets in shower 42 again, realizes the reuse of water resource, and then improves energy utilization.

With continued reference to fig. 1, in a possible embodiment, the steam treatment device 6 further comprises a water treatment device 62, the water treatment device 62 being between the condensed water outlet 612 and the condensed water inlet of the cooling crystallization device 4, and/or; the combustion device 2 is a gas burner.

The setting mode has the advantages that: the condensed water discharged through the condensed water outlet 612 is purified by the water treatment device 62, so that the purified water is introduced into the condensed water inlet of the cooling crystallization device 4 to be used as a cooling medium, and is introduced into the spray pipe 42 to remove salt, thereby ensuring the cleanliness of the cooling medium and realizing the cyclic utilization of the cooling medium.

In addition, the high-temperature heating mode in the traditional incinerator is usually accompanied by larger energy loss, and the arrangement of the gas burner is used as a novel energy-saving and environment-friendly combustion device 2, so that energy-saving combustion can be realized, the combustion completeness can be improved, waste salt powder, fuel and combustion-supporting air can be distributed and sprayed out in a certain mode for post combustion, the heat output by combustion can be adjusted to control the output temperature, and as an optimal implementation mode, the output temperature range of the utility model is 800 ℃ -1200 ℃; in addition, as an embodiment, the gas burner is flange-connected to the burner housing 1.

With continued reference to fig. 1, in a possible embodiment, the pulverizing and blowing device 3 comprises an ejector 31 and a pulverizer 32, the discharge port 512 on the drying casing 51 communicates with the inlet of the pulverizer 32, the outlet of the pulverizer 32 communicates with the inlet of the ejector 31, the jet path of the ejector 31 can finally reach the combustion zone of the combustion section 24, and/or; the cooling crystallization device 4 is provided with cooling water, a slag scraping device is arranged at the water surface of the cooling water and the bottom of the cooling crystallization device 4, and a crystallized salt discharging device is also arranged in the cooling crystallization device 4.

The setting mode has the advantages that: the dried waste salt is crushed by the crusher 32, then the crushed waste salt is introduced into the ejector 31, and under the action of the ejector 31, the waste salt powder is sent to a combustion area to be combusted to remove organic matters, wherein the crushing of the waste salt by the crusher 32 can improve the jet efficiency of the ejector 31 and prevent the waste salt from being blocked; in addition, the low-density scum floats on the water surface and is removed by a scum scraping device arranged at the water surface, and the inorganic salt settled at the bottom of the water is discharged by a bottom scum scraping device to realize the detoxification of the waste salt, wherein the crystallized salt discharging device can discharge the waste salt by adopting a pump.

In summary, the embodiments include: waste salt containing organic matters enters the drying shell 51 through a feeding hole 511 of the drying shell 51, the driving motor 52 drives the screw shaft 53 to push the waste salt forward, and the waste salt is heated and dried in the pushing process, wherein the screw shaft 53 has a certain stirring effect on the waste salt in the pushing process, so that the waste salt is heated more uniformly, in addition, the corrosion effect of the dried waste salt on equipment is greatly reduced, so that only a part of the front drying shell 51, which is in contact with the waste salt, is required to be subjected to anti-corrosion treatment, the manufacturing cost of the equipment is greatly reduced, the dried waste salt is discharged into the crusher 32 through a discharging hole 512 after being dried, the crusher 32 crushes the waste salt into waste salt powder, the waste salt powder is blown out under the action of the ejector 31 and enters a burner, the powdery waste salt is sprayed out from a discharging hole 512 and combusted after being mixed with fuel and oxygen, wherein the organic matters are decomposed, the inorganic waste salt directly enters the cooling and crystallizing device 4 after being melted, inorganic salt is cooled and crystallized in the cooling and crystallizing device 4, low-density waste slag generated by combustion floats on the water surface and can be discharged by a slag scraping device, crystallized salt precipitate is discharged by a bottom slag scraping device, thereby realizing the detoxication of the waste salt, the treated waste salt can be treated according to common waste, the cooling and crystallizing device 4 generates a certain amount of steam, the part of steam is sprayed by a spraying pipe 42 for desalting and then enters a gas-liquid separator 61, the heat after heat exchange returns to a drying device 5 for resource utilization, and condensed water is treated by a water treatment device 62 and then is introduced into the cooling and crystallizing device 4 for cyclic utilization.

The utility model discloses entire system all runs through green energy-conserving theory, includes, and the harmless treatment of the resource high-efficient utilization of the resource cyclic utilization of the heat cyclic utilization of waste gas, waste water, burner 2 and waste residue, in addition, in energy-conserving, can also improve the treatment effeciency of waste salt, makes entire system have energy-conserving effect of increasing benefit.

It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above-mentioned structure without deviating from the principle of the present invention, so that the present invention can be applied to more specific application scenarios.

For example, in an alternative embodiment, the drying device 5 may adopt a belt conveying manner or the like, as long as the waste salt can be dried and pushed into the crushing and powder blowing device 3, which do not deviate from the principle of the present invention, and thus all will fall within the protection scope of the present invention.

For example, in another alternative embodiment, the crushing and powder blowing device 3 may adopt a crusher 32 with a powder blowing function, etc., as long as it can crush and blow the waste salt to the combustion area, which do not deviate from the principle of the present invention, and thus all will fall within the protection scope of the present invention.

For example, in another alternative embodiment, the quenching medium may be gas or molten salt, etc., as long as the residue and the molten salt can be cooled, without departing from the principle of the present invention, and therefore, all will fall within the protection scope of the present invention.

For example, in another alternative embodiment, the heating manner of the drying device 5 can also adopt an electromagnetic heating wire or the like, as long as the drying device 5 can be heated, which does not deviate from the principle of the present invention, and therefore, all will fall into the protection scope of the present invention.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An industrial waste salt spray burning system is characterized by comprising a spray burning shell, a combustion device, a crushing and powder blowing device and a cooling and crystallizing device, wherein a combustion chamber is arranged in the spray burning shell, the combustion device is provided with a gas inlet and an oxygen inlet, the combustion device is embedded into the spray burning shell, a combustion part of the combustion device is positioned on the side of the combustion chamber, a waste salt powder flow path in the crushing and powder blowing device finally reaches a combustion area of the combustion part, the combustion chamber is communicated with the inlet of the cooling and crystallizing device, and the cooling and crystallizing device is provided with a crystallized salt outlet;

the crushing and powder blowing device is used for crushing waste salt to form the waste salt powder, the waste salt powder is conveyed to the combustion area to be combusted through the waste salt powder flow path, fuel enters the combustion device through the fuel gas inlet, oxygen enters the combustion device through the oxygen inlet to enable organic matters in the waste salt powder to be thoroughly decomposed, combusted molten salt and residues enter the cooling crystallization device through the inlet of the cooling crystallization device to be cooled and crystallized, and crystallized salt is discharged through the crystallized salt outlet.

2. The industrial waste salt injection system according to claim 1, wherein a waste salt powder inlet is provided on the combustion device, and the pulverizing and blowing device communicates with the waste salt powder inlet through the waste salt powder flow path, so that the waste salt powder is mixed with the fuel and the oxygen in the combustion device and then combusted.

3. The industrial waste salt injection firing system as claimed in claim 1, wherein the injection firing housing is provided with a waste salt powder inlet, the pulverizing and powder-blowing device is communicated with the waste salt powder inlet through the waste salt powder flow path, and the pulverizing and powder-blowing device is provided with a flow control device to control the waste salt powder to be able to completely contact the combustion zone.

4. The industrial waste salt blast system according to claim 1, further comprising a drying device communicating with an inlet of said crushing and blowing device.

5. The industrial waste salt spray-burning system according to claim 4, wherein the drying device comprises a drying shell, a driving motor and a screw shaft, the drying shell is provided with a feeding port, a discharging port and an air outlet, the discharging port is communicated with an inlet of the crushing and powder blowing device, the screw shaft is positioned inside the drying shell, the driving motor is fixed outside the drying shell and connected with the screw shaft, and the screw shaft on the side of the feeding port and the drying shell are coated with an anticorrosive material.

6. The industrial waste salt spray burning system of claim 5, further comprising a steam treatment device, wherein the steam treatment device comprises a gas-liquid separator, the gas-liquid separator is provided with a gas-liquid inlet, a condensed water outlet and an exhaust port, a heating cavity is formed between the drying shell and the outer shell sleeved outside the drying shell, and the exhaust port is communicated with the heating cavity.

7. The industrial waste salt burner system of claim 6, wherein the condensed water outlet is in communication with a condensed water inlet of the cooling crystallization device.

8. The industrial waste salt spray burning system according to claim 7, wherein a spray pipe is provided at an outlet of the cooling crystallization device, and the condensed water outlet is communicated with the spray pipe.

9. The industrial waste salt burner system according to claim 8, wherein the steam treatment device further comprises a water treatment device between the condensed water outlet and the condensed water inlet of the cooling crystallization device, and/or;

the combustion device is a gas burner.

10. The industrial waste salt blast system according to claim 5, wherein said crushing and powder blowing means comprises a jet and a crusher, said discharge port on said drying casing is in communication with an inlet of said crusher, an outlet of said crusher is in communication with an inlet of said jet, a jet path of said jet eventually being able to reach a combustion zone of said combustion section, and/or;

the cooling crystallization device is internally provided with cooling water, slag scraping devices are arranged at the water surface of the cooling water and at the bottom of the cooling crystallization device, and the cooling crystallization device is also internally provided with a crystallized salt discharging device.