CN112856450A - Sulfur-containing waste residue treatment device and treatment method - Google Patents

Abstract

The invention discloses a sulfur-containing waste residue treatment device, which comprises a combustion chamber, wherein a heat insulation layer is arranged on the inner wall of the combustion chamber, a feeding cylinder is arranged on one side of the combustion chamber, a slag discharging pipe is arranged on the other side of the combustion chamber, the slag discharging pipe extends downwards into a water seal barrel, a discharge flue is arranged at the top of the combustion chamber and is communicated to a smoke exhaust fan, a plurality of guide plates are arranged in the combustion chamber and are horizontally arranged, one ends of the guide plates are fixed on a mounting plate, two ends of the mounting plate are respectively close to the feeding cylinder and the slag discharging pipe and are obliquely arranged, and vent holes are arranged on the mounting plate between the guide plates; a heat-insulating furnace channel is arranged in the combustion chamber above the guide plate, and an air inlet valve plate is arranged at the bottom of the combustion chamber; an intermittent feeding mechanism is arranged in the feeding cylinder. The vents between the guide plates allow fresh air to be thoroughly mixed with the liquid slag to facilitate complete combustion.

Description

Sulfur-containing waste residue treatment device and treatment method

Technical Field

The invention relates to the field of environment-friendly equipment, in particular to a sulfur-containing waste residue treatment device and a treatment method.

Background

Sulfur exists in coal in three forms, namely organic sulfur, pyrite sulfur (sulfur existing in the form of pyrite and marcasite sulfur, and the like), and sulfate sulfur. Although sulfur can burn to produce heat, it is a very harmful component. Sulfur generates sulfur dioxide and a small amount of sulfur trioxide after being combusted, is discharged into the atmosphere to pollute the environment, is a main substance for forming acid rain, and is harmful to human bodies, animals, plants and ground buildings. In order to reduce the harm, coal-fired households such as coking plants, chemical fertilizer plants and the like need to desulfurize the coal before using the coal.

The method for recycling and treating the sulfur-containing waste residue in the prior art comprises the following steps of (1) directly discarding or burying a large amount of sulfur-containing waste residue after desulfurization treatment, which causes great pollution to the surrounding environment if the sulfur-containing waste residue is not treated: (1) the distillation process takes steam or flue gas as a heat source, and the process neglects colored organic impurities in the solid, so that the purity of the obtained sulfur is not high, and the utilization value is not high; (2) the extraction process is adopted to recover and purify the sulfur in the waste residue, the process steps are complex, the production cost is high, and the yield of the obtained sulfur is low; (3) the sulfur melting process of the sulfur melting kettle is that the waste residue is added into the sulfur melting kettle, and the sulfur in the waste residue is completely melted into liquid, so that the energy consumption of the process in the sulfur melting process is overlarge, and the production cost is greatly increased; (4) directly will contain sulphur waste residue and put into the burning in the stove, convert sulphur into sulfur dioxide and retrieve again, though with low costs, the waste residue is difficult to ignite, and recovery efficiency is lower, and the waste residue under the high temperature can melt into liquid moreover, is difficult to the abundant burning more.

Therefore, a new apparatus for treating sulfur-containing waste slag is required, which can solve the above problems.

Disclosure of Invention

The invention aims to provide a new technical scheme for treating sulfur-containing waste residue.

According to the first aspect of the invention, a sulfur-containing waste residue treatment device is provided, which comprises a combustion chamber, wherein a heat insulation layer is arranged on the inner wall of the combustion chamber, a feeding cylinder is arranged on one side of the combustion chamber, a slag discharging pipe is arranged on the other side of the combustion chamber, the slag discharging pipe extends downwards into a water seal barrel, a discharge flue is arranged at the top of the combustion chamber, the discharge flue is communicated to a smoke exhaust fan, a plurality of guide plates are arranged in the combustion chamber, the guide plates are horizontally arranged, one ends of the guide plates are fixed on a mounting plate, two ends of the mounting plate are respectively close to the feeding cylinder and the slag discharging pipe and are obliquely arranged, and a vent hole is arranged on the mounting plate between the guide plates; a heat-insulating furnace channel is arranged in the combustion chamber above the guide plate, and an air inlet valve plate is arranged at the bottom of the combustion chamber; an intermittent feeding mechanism is arranged in the feeding cylinder.

Through the scheme, the intermittent feeding mechanism can intermittently convey the sulfur-containing waste residues to the combustion chamber, so that insufficient combustion caused by accumulation of the waste residues is avoided, the waste residues flow downwards step by step along the guide plates after being heated and melted, and when the waste residues flow from the upper guide plate to the lower guide plate, fresh air entering through the air vents between the guide plates can be fully mixed with the liquid waste residues, so that sufficient combustion is facilitated; the heat preservation flame path can keep the temperature in the combustion chamber, and the setting of being equipped with the air inlet valve plate can further improve the sufficiency of burning.

Preferably, the bottom of the mounting plate is provided with a roller, the roller is connected to a horizontally arranged slide rail in a rolling manner, one end of the mounting plate is connected with a push-pull mechanism, one end of the bottom of the feeding cylinder, which faces the guide plate, is provided with a material pushing mechanism, and the material pushing mechanism extrudes downwards onto the guide plate at the topmost part.

Through this scheme, push-and-pull institution can drive mounting panel and all deflectors and all follow slide rail round trip movement to pushing equipment can promote the waste residue forward, improves the mobility of liquid waste residue, makes its more abundant mix with the air and burns.

Preferably, two sides of the guide plate are bent upwards to form blocking portions, the material pushing mechanism comprises a material pushing plate and a material blanking plate, the material blanking plate is connected to the feeding barrel, one end of the material pushing plate is hinged to the bottom of the material blanking plate through a torsion spring, the other end of the material pushing plate is bent downwards to form a material pushing portion, and the material pushing portion is extruded to a position between the blocking portions.

Through the scheme, the blocking parts on the two sides of the guide plate can prevent waste residues from flowing to the two sides and leaking out of the combustion chamber; the material pushing plate can be extruded to the guide plate all the time under the action of the torsion spring, so that waste residues can be pushed forwards, and the waste residues cannot be fully combusted due to the fact that gaps exist and are pulled out backwards by the material pushing portion in the moving process of the guide plate.

Preferably, the front end of the blocking part is bent towards the inner side of the guide plate to form a guide part.

Through this scheme, the guide part can guarantee that the waste residue falls into the deflector of below again after concentrating to the centre, avoids scattering the waste residue that leads to both sides under blowing of wind-force to drop.

Preferably, the two ends close to the rear side of the pushing part are both connected with compensation blocks in a sliding mode, a compression spring is arranged between the compensation blocks, and the compression spring always exerts a force which is far away from the compensation blocks.

Through this scheme, compression spring can extrude the compensation piece of both sides to the inner wall of stop part on to improve and push away the material effect, avoid having the gap and make the waste residue scatter backward.

Preferably, a positioning block is arranged between the compensation blocks, the positioning block is fixed to the material pushing portion, guide rods are fixed to two sides of the positioning block, the compensation blocks are connected with the guide rods in a sliding mode, and the compression springs are sleeved on the guide rods.

Through this scheme, the stability that the setting of guide bar can improve the removal of compensation piece.

Preferably, the heat preservation furnace path is folded back and bent to form a plurality of layers, and a part of the heat preservation furnace path is arranged in parallel to the mounting plate.

Through this scheme, when lighting a fire and just beginning burning, the heat preservation flame path can make hot-air buckle around near the deflector, has improved the heat preservation effect of combustion chamber greatly, helps improving ignition efficiency, and can remain the temperature in the combustion chamber all the time, improves combustion effect.

Preferably, the inlet of the heat preservation flue is close to the bottom of the mounting rack, the heat preservation flue is provided with a guide plate in the communication position with the discharge flue, and the guide plate is parallel to the mounting rack.

Through this scheme, the guide plate can make flue gas and hot-air form the vortex in guide plate and discharge flue department, makes the heat preservation flue of unnecessary heat further heating bottom to further improve the heat preservation effect of heat preservation flue.

Preferably, the bottom surface of combustion chamber is provided with the air intake, the air inlet valve plate cover extremely on the air intake, the one end of air inlet valve plate articulated extremely one side of air intake.

Through the scheme, the smoke exhaust fan can generate negative pressure in the combustion chamber, so that the air inlet valve plate is opened inwards under the action of external atmospheric pressure, and fresh air enters the combustion chamber; the air inlet valve plate and the air inlet form a structure of a one-way valve, so that the smoke in the combustion chamber is prevented from being discharged downwards out of the combustion chamber to cause air pollution.

According to a second aspect of the present invention, there is provided a sulfur-containing waste residue treatment method using the above sulfur-containing waste residue treatment apparatus, mainly comprising the steps of:

the method comprises the following steps: and conveying the sulfur-containing waste residue into a feeding cylinder, wherein the water content of the sulfur-containing waste residue is less than 6%.

Step two: starting a smoke exhaust fan, igniting a pilot substance in the combustion chamber until reaching the ignition point of the sulfur-containing waste residue;

step three: the indirect feeding mechanism is started to intermittently feed materials into the combustion chamber;

step four: the push-pull mechanism drives the mounting plate to reciprocate, so that the pushing plate pushes the sulfur-containing waste residues to move forwards;

step five: the sulfur-containing waste slag is melted in the combustion chamber and gradually falls onto the guide plate at the lower layer under the pushing action until reaching the slag discharging pipe; the generated hot air and sulfur dioxide gas pass through the heat preservation furnace channel and are recycled by the smoke exhaust fan.

According to one embodiment of the disclosure, the device is simple in structure, the ignition efficiency can be greatly improved due to the arrangement of the heat-insulating furnace channel, and the sulfur-containing waste slag can be more sufficiently combusted in the combustion chamber; the special structure of deflector and pushing equipment's setting guarantee to contain the sulphur waste residue homoenergetic and obtain abundant burning, avoid containing the sulphur waste residue and drop the deflector and cause the air intake to block up or the burning is insufficient, guaranteed to contain sulphur waste residue sulphur and fully converted into sulfur dioxide, improved sulfur dioxide's recovery efficiency.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a sulfur-containing waste residue treatment apparatus according to a first embodiment of the present invention.

FIG. 2 is a schematic structural view of a guide plate and a mounting plate of the sulfur-containing waste slag treatment apparatus of FIG. 1.

Fig. 3 is a schematic view of the structure of the mounting plate of fig. 2.

Fig. 4 is a schematic top view of the guide part of fig. 2.

Fig. 5 is a schematic structural view of the pusher mechanism in fig. 1.

Fig. 6 is a schematic sectional view taken along the line a-a in fig. 5.

Fig. 7 is a schematic diagram of the structure at B in fig. 1.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 to 7, the apparatus for treating sulfur-containing waste slag in this embodiment includes a combustion chamber 1100, the combustion chamber is a cubic box made of stainless steel or steel material, the inner wall of the combustion chamber 1100 is provided with a heat insulating layer (not shown), one side of the combustion chamber 1100 is provided with a feeding cylinder 1110, the other side of the combustion chamber 1100 is provided with a slag discharging pipe 1120, the slag discharging pipe 1120 extends downwards into a water sealed barrel 1130, the top of the combustion chamber 1100 is provided with a smoke discharging channel 1141, the smoke discharging channel 1141 is communicated to a smoke discharging fan 1142, the combustion chamber 1100 is provided with a plurality of guide plates 1210, the guide plates 1210 are horizontally arranged, one end of each guide plate 1210 is fixed to a mounting plate 1220, two ends of the mounting plate 1220 are respectively close to the feeding cylinder 1110 and the slag discharging pipe 1120 and are obliquely arranged, so that the sulfur-containing waste slag can flow from the feeding cylinder 1110 to the slag discharging pipe 1120 along the, the mounting plate 1220 between the guide plates 1210 is provided with a vent hole 1221, and the vent hole 1221 can be communicated to a discharge flue 1141 through the guide plates 1210;

a heat-preservation furnace channel 1300 is arranged in the combustion chamber 1100 above the guide plate 1210, and an air inlet valve plate 1151 is arranged at the bottom of the combustion chamber 1100; an intermittent feeding mechanism 1111 is arranged in the feeding cylinder 1110.

By the scheme of the embodiment, the intermittent feeding mechanism 1111 can intermittently convey the sulfur-containing waste residues to the combustion chamber 1100, so that insufficient combustion caused by accumulation of the waste residues is avoided, the waste residues can flow downwards along the guide plates 1210 step by step due to the pushing of new waste residues after being heated and melted, and when the waste residues flow from the upper guide plate 1210 to the lower guide plate 1210, fresh air entering through the air holes 1221 between the guide plates 1210 can be fully mixed with liquid waste residues, so that sufficient combustion is facilitated; the heat preservation flue 1300 can keep the temperature in the combustion chamber 1100, and the arrangement of the air inlet valve plate 1151 is matched, so that the combustion sufficiency can be further improved.

The mounting plate 1220 in this embodiment is a fence-like grid plate, and includes a plurality of cross bars arranged in parallel, the gaps between the cross bars are the vent holes 1221, and the guide plates 1210 are all fixed to the cross bars; the guide plate 1210 is made of stainless steel, and is more robust and corrosion resistant.

The intermittent feeding mechanism 1111 in this embodiment is, for example, an auger, and a driving motor of the auger is controlled by a PLC.

In this embodiment or other embodiments, the bottom of the mounting plate 1220 is provided with a roller 1240, the roller 1240 is connected to the horizontally arranged slide rail 1160 in a rolling manner, one end of the mounting plate 1220 is connected with a push-pull mechanism 1250, one end of the bottom of the feed cylinder 1110 facing the guide plate 1210 is provided with a material pushing mechanism 1230, and the material pushing mechanism 1230 presses downwards to the topmost guide plate 1210.

The push-pull mechanism 1230 can drive the mounting plate 1220 and all the guide plates 1210 to move back and forth along the slide rail 1160, so that the pushing mechanism 1230 can push the waste slag forward, improve the fluidity of the liquid waste slag, and enable the liquid waste slag to be more fully mixed with air for combustion.

In the embodiment, a slag trap 1260 is arranged between the slag discharging pipe 1120 and the bottommost guide plate 1210, the slag trap 1260 is positioned below the bottommost guide plate 1210 and inclines towards the slag discharging pipe 1120, so that burned waste slag can fall into the water sealing barrel 1130 through the slag trap 1260, and the length of the slag trap 1260 extending into the bottom of the guide plate 1210 is not less than the moving distance of the guide plate 1210.

The push-pull mechanism 1250 in this embodiment includes a push-pull motor and a push-pull rod, a rotating shaft of the push-pull motor is fixed with a rotating disc, one end of the push-pull rod is rotatably connected to an eccentric position of the rotating disc, and the other end of the push-pull rod is connected to one side of the bottom of the mounting frame 1220, so that the rotation of the push-pull motor can drive the mounting plate 1220 to move back and forth, when the guide plate 1210 moves backwards, the pushing mechanism 1230 pushes the waste residues to move forwards, and when the guide plate 1210 moves forwards, new waste residues fall onto the guide plate 1210 to wait to be pushed.

In this embodiment or other embodiments, two sides of the guide plate 1210 are bent upward to form blocking portions 1211, the pushing mechanism 1230 includes a pushing plate 1231 and a blanking plate 1232, the blanking plate 1232 is connected to the feeding cylinder 1110, one end of the pushing plate 1231 is hinged to the bottom of the blanking plate 1232 through a torsion spring (not shown), the other end of the pushing plate 1231 is bent downward to form pushing portions 1233, and the pushing portions 1233 are pressed between the blocking portions 1211.

The stoppers 1211 disposed at both sides of the guide plate 1210 can prevent the waste slag from flowing to both sides and leaking, thereby ensuring that the waste material can be normally pushed forward for combustion; the material pushing plate 1231 can be always extruded to the guide plate 1210 under the action of the torsion spring, so that waste residues can be pushed forwards, and the waste residues cannot be sufficiently combusted due to the fact that the waste residues are pulled out backwards by the material pushing part 1233 in the moving process of the guide plate 1210 due to gaps.

In this embodiment or other embodiments, the front end of the stopping portion 1211 is bent toward the inner side of the guiding plate 1210 to form a guiding portion 1212. The guide portion 1212 can guarantee that the waste residue falls into the guide plate 1210 below after concentrating to the middle, and avoid falling the waste residue that the blowing of wind-force dispersed to both sides leads to.

In this embodiment or other embodiments, the compensation blocks 1234 are slidably connected to both ends of the rear side of the pushing part 1233, a compression spring 1235 is disposed between the compensation blocks 1234, the compression spring 1235 always applies a force away from the compensation blocks 1234, and the compression spring 1235 can press the compensation blocks 1234 on both sides to the inner wall of the blocking part 1211, so as to improve the pushing effect, and prevent a gap from existing between both sides of the pushing part 1233 and the blocking part 1211, so that waste residues cannot be effectively pushed, and material leakage is caused.

In this embodiment or other embodiments, a positioning block 1236 is disposed between the compensating blocks 1234, the positioning block 1236 is fixed to the pushing part 1233, guide rods 1237 are fixed to two sides of the positioning block 1236, the compensating blocks 1234 are both slidably connected to the guide rods 1237, the compression spring 1235 is sleeved on the guide rods 1237, and the arrangement of the guide rods 1237 can improve the stability of the movement of the compensating blocks 1234.

In this embodiment or other embodiments, the heat preservation flue 1300 is folded back and bent to form a plurality of layers, a part of the heat preservation flue 1300 is parallel to the mounting plate 1220, when ignition and combustion are started, the heat preservation flue 1300 can enable hot air to be bent and wound around the top of the guide plate 1210, so that heat loss is reduced as much as possible, the heat preservation effect of the combustion chamber 1100 is greatly improved, the ignition efficiency is improved, the temperature in the combustion chamber 1100 can be kept in a high-temperature state all the time, and the combustion efficiency and the combustion sufficiency are improved.

In this embodiment or other embodiments, the entrance of the holding furnace channel 1300 is close to the bottom of the mounting rack 1220, so that the flame in combustion moves downward, and because the liquid slag on the guide plate 1210 at the bottom is already spread and has a thin thickness, the liquid slag is more easily burnt completely at high temperature, and the combustion sufficiency is ensured;

the connection between the heat preservation flue 1300 and the discharge flue 1141 is provided with a guide plate 1310, the guide plate 1310 is parallel to the mounting rack 1220, the guide plate 1310 can make the flue gas and the hot air form a vortex at the guide plate 1310 and the discharge flue 1141, so that the residual heat further heats the heat preservation flue 1300 at the bottom, thereby further improving the heat preservation effect of the heat preservation flue 1300.

In this embodiment or other embodiments, the bottom surface of the combustion chamber 1100 is provided with an air inlet 1152, the air inlet valve plate 1151 covers the air inlet 1152, and one end of the air inlet valve plate 1151 is hinged to one side of the air inlet 1152.

The smoke exhaust fan 1142 can generate negative pressure in the combustion chamber 1100, so that the air intake valve plate 1151 is opened inwards under the action of external atmospheric pressure, and fresh air enters the combustion chamber 1100; the air inlet valve plate 1151 and the air inlet 1152 form a structure of a one-way valve, so that the air pollution caused by the fact that smoke in the combustion chamber is discharged out of the combustion chamber 1100 downwards is avoided.

According to the embodiment, the device is simple in structure, the ignition efficiency can be greatly improved due to the arrangement of the heat-insulating furnace channel, and the sulfur-containing waste slag can be more fully combusted in the combustion chamber; the special structure of deflector and pushing equipment's setting guarantee to contain the sulphur waste residue homoenergetic and obtain abundant burning, avoid containing the sulphur waste residue and drop the deflector and cause the air intake to block up or the burning is insufficient.

Example two

A sulfur-containing waste residue treatment method adopting the sulfur-containing waste residue treatment device in the embodiment mainly comprises the following steps:

the method comprises the following steps: and conveying the sulfur-containing waste residue into a feeding cylinder, wherein the water content of the sulfur-containing waste residue is less than 6% so as to ensure that the sulfur-containing waste residue can be smoothly combusted.

Step two: starting a smoke exhaust fan, igniting kindling materials in the combustion chamber until the kindling point of the sulfur-containing waste residues is reached, generating negative pressure in the combustion chamber due to the suction force of the smoke exhaust fan, and opening an air inlet valve plate to continuously supplement fresh air into the combustion chamber;

step three: the indirect feeding mechanism is started to intermittently feed materials into the combustion chamber;

step four: the push-pull mechanism drives the mounting plate to reciprocate, so that the pushing plate pushes the sulfur-containing waste residues to move forwards;

step five: the sulfur-containing waste slag is melted in the combustion chamber and gradually falls onto the guide plates on the lower layer until reaching the slag discharge pipe under the pushing action, and air enters between the guide plates through the vent holes and is fused with the sulfur-containing waste slag flowing down from the guide plates on the upper layer; the generated hot air and sulfur dioxide gas are discharged to a recovery system through a heat preservation furnace channel by a smoke exhaust fan for recycling.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. A sulfur-containing waste residue treatment device comprises a combustion chamber, wherein a heat insulation layer is arranged on the inner wall of the combustion chamber, a feeding cylinder is arranged on one side of the combustion chamber, a slag discharging pipe is arranged on the other side of the combustion chamber, the slag discharging pipe extends downwards into a water seal barrel, a discharge flue is arranged at the top of the combustion chamber, and is communicated to a smoke exhaust fan; a heat-insulating furnace channel is arranged in the combustion chamber above the guide plate, and an air inlet valve plate is arranged at the bottom of the combustion chamber; an intermittent feeding mechanism is arranged in the feeding cylinder.

2. The sulfur-containing waste residue treatment device according to claim 1, wherein the bottom of the mounting plate is provided with a roller, the roller is connected to a horizontally arranged slide rail in a rolling manner, one end of the mounting plate is connected with a push-pull mechanism, one end of the bottom of the feeding cylinder facing the guide plate is provided with a material pushing mechanism, and the material pushing mechanism is pressed downwards onto the topmost guide plate.

3. The sulfur-containing waste residue treatment device according to claim 2, wherein two sides of the guide plate are bent upwards to form blocking portions, the pushing mechanism comprises a pushing plate and a blanking plate, the blanking plate is connected to the feeding barrel, one end of the pushing plate is hinged to the bottom of the blanking plate through a torsion spring, the other end of the pushing plate is bent downwards to form pushing portions, and the pushing portions are extruded between the blocking portions.

4. The apparatus for treating sulfur-containing waste slag according to claim 3, wherein the front end of said stopper is bent toward the inside of said guide plate to form a guide.

5. The sulfur-containing waste residue treatment device according to claim 3, wherein the near two ends of the rear side of the pushing part are both connected with compensation blocks in a sliding manner, a compression spring is arranged between the compensation blocks, and the compression spring always applies a force which is far away from the compensation blocks.

6. The sulfur-containing waste residue treatment device according to claim 5, wherein a positioning block is arranged between the compensation blocks, the positioning block is fixed on the pushing part, guide rods are fixed on two sides of the positioning block, the compensation blocks are both connected with the guide rods in a sliding manner, and the compression springs are sleeved on the guide rods.

7. The sulfur-containing waste slag treatment apparatus according to claim 1, wherein said heat-retaining flue is folded back in a plurality of layers, and a part of said heat-retaining flue is arranged in parallel to said mounting plate.

8. The sulfur-containing waste residue treatment device according to claim 7, wherein the inlet of the heat preservation flue is close to the bottom of the mounting rack, a guide plate is arranged at the communication position of the heat preservation flue and the discharge flue, and the guide plate is arranged in parallel with the mounting rack.

9. The sulfur-containing waste residue treatment apparatus according to claim 1, wherein an air inlet is provided in a bottom surface of the combustion chamber, the air inlet valve plate covers the air inlet, and one end of the air inlet valve plate is hinged to one side of the air inlet.

10. A sulfur-containing waste residue treatment method adopting the sulfur-containing waste residue treatment device is characterized by mainly comprising the following steps:

the method comprises the following steps: conveying sulfur-containing waste residues into a feeding cylinder, wherein the water content of the sulfur-containing waste residues is less than 6%;

step two: starting a smoke exhaust fan, igniting a pilot substance in the combustion chamber until reaching the ignition point of the sulfur-containing waste residue;

step three: the indirect feeding mechanism is started to intermittently feed materials into the combustion chamber;

step four: the push-pull mechanism drives the mounting plate to reciprocate, so that the pushing plate pushes the sulfur-containing waste residues to move forwards;

step five: the sulfur-containing waste slag is melted in the combustion chamber and gradually falls onto the guide plate at the lower layer under the pushing action until reaching the slag discharging pipe; the generated hot air and sulfur dioxide gas pass through the heat preservation furnace channel and are recycled by the smoke exhaust fan.

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