CN217474423U - Solid waste dechlorination treatment device - Google Patents
Solid waste dechlorination treatment device Download PDFInfo
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- CN217474423U CN217474423U CN202220676993.4U CN202220676993U CN217474423U CN 217474423 U CN217474423 U CN 217474423U CN 202220676993 U CN202220676993 U CN 202220676993U CN 217474423 U CN217474423 U CN 217474423U
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Abstract
The utility model provides a solid waste dechlorination treatment device, wherein a stirring unit is provided with a feed inlet, a discharge outlet and a return water port; the mud-water separation unit is communicated with the discharge port and is also provided with a mud outlet and a water outlet; the evaporation unit is communicated with the water outlet and is provided with an air outlet; the waste heat collecting unit is used for providing heat energy for the evaporation unit; and the condensation unit is provided with a condensation inlet communicated with the air outlet and a condensation outlet communicated with the water return port. The utility model discloses well stirring unit is used for washing dechlorination to solid waste water such as sintering ash, carries to the mud-water separation unit through the bin outlet after the washing, and the washing liquid after the separation gets into evaporation unit, and evaporation unit can evaporate partly water, reduces the transportation volume in the transportation, reduces the cost of transportation; during evaporation, water vapor enters the condensation unit through the air outlet and is condensed into liquid water again in the condensation unit, and the water obtained by condensation can be used for washing dechlorination, so that the water consumption during washing dechlorination is reduced, and the water resource is saved.
Description
Technical Field
The utility model belongs to the technical field of steel enterprise's solid useless processing, concretely relates to solid useless dechlorination processing apparatus.
Background
The sintering process of iron and steel enterprises can generate a large amount of dust, namely sintering ash, and the dust belongs to solid waste (solid waste for short). The dust contains various metal elements (such as iron elements) which are worth recycling, and also contains harmful substances such as chloride (such as potassium chloride and sodium chloride), and in the process of sintering and recycling the solid wastes, chlorine is continuously enriched as the harmful elements, which affects the quality and equipment of sintered ores, and even causes the increase of alkali metal load of a blast furnace in serious conditions, thereby causing the nodulation of the blast furnace and affecting the normal operation of the blast furnace. In addition, the zinc-containing solid waste disposal process of the steel enterprises comprises a rotary kiln process and a rotary hearth furnace process, and the generated waste heat is not sufficiently recycled, so that a large amount of heat energy is lost.
In the prior art, a water washing method is adopted to treat chlorine-containing solid waste, the solid waste can generate slurry containing metal elements and a large amount of chlorine-containing water washing liquid after being subjected to water washing dechlorination, the slurry is further recycled, and the water washing liquid needs to be transported to a water treatment center for treatment. Due to the large output of the sintering ash, 15 kilograms of sintering ash can be expected to be produced in each ton of sintering ore, about 10 more than ten thousand tons of chlorine-containing dust are produced by ten million-ton-class enterprises each year, a large amount of water resources are consumed when the chlorine-containing dust is treated, and a large amount of water washing liquid produced during treatment also generates higher transportation cost during transportation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dechlorination processing apparatus gives up admittedly aims at solving current chlorine-containing solid waste dechlorination time and need consume a large amount of water resources, and a large amount of washing liquid that produces when handling also can produce higher cost of transportation's problem when transporting.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a solid useless dechlorination processing apparatus, includes: the stirring unit is provided with a feeding hole, a discharging hole and a water return hole; the inlet of the mud-water separation unit is communicated with the discharge port, and the mud-water separation unit is also provided with a mud outlet and a water outlet; the inlet of the evaporation unit is communicated with the water outlet, and the evaporation unit is also provided with a gas outlet; the waste heat collecting unit is used for providing heat energy for the evaporation unit; and the condensing unit is provided with a condensing inlet communicated with the air outlet and a condensing outlet communicated with the water return port.
In one possible implementation, the stirring unit includes: the stirring tank is provided with the discharge port and the water return port; the first rotating shaft is arranged in the stirring tank along the axial direction of the stirring tank; the first stirring rods are arranged on the first rotating shaft, and each first stirring rod is arranged along the radial direction of the stirring tank; and the first driving assembly is arranged on the stirring tank and is in transmission connection with the first rotating shaft.
In one possible implementation, the mud-water separating unit includes: a sedimentation tank; the filter plate is arranged in the sedimentation tank and divides the sedimentation tank into a sedimentation cavity and a liquid purification cavity, the sedimentation cavity is communicated with the discharge port, the sludge outlet is formed in the bottom of the sedimentation cavity, and the water outlet is formed in the bottom of the liquid purification cavity; and the water suction pump is connected between the water outlet and the evaporation unit.
In a possible implementation manner, the mud-water separation unit further comprises a screw conveyor of which the feeding end is connected with the mud outlet.
In one possible implementation, the mud-water separation unit further comprises; the pressing plate is arranged in the sedimentation cavity, the peripheral wall of the pressing plate is in sliding fit with the inner wall of the sedimentation cavity, and the pressing plate is provided with a filtering hole for liquid to pass through; and the second driving assembly is arranged in the sedimentation tank and used for driving the pressing plate to move up and down.
In one possible implementation, the second drive assembly includes: the screw rod is arranged in the sedimentation cavity along the up-down direction and is rotationally connected with the sedimentation cavity; the guide rod is arranged in the sedimentation cavity and is parallel to the screw rod, and the pressing plate is provided with a guide hole in sliding fit with the guide rod; the sliding block is arranged on the pressing plate and is provided with a threaded hole matched with the screw rod; and the driving motor is in transmission connection with the screw rod and is used for driving the screw rod to rotate.
In one possible implementation, the evaporation unit includes: the evaporation disc is communicated with the water outlet; the heating element is arranged in the evaporation disc; and the gas collecting hood is covered above the evaporation tray and is provided with the gas outlet.
In one possible implementation, the evaporation unit further includes: the second rotating shaft is arranged in the evaporation disc along the axial direction of the evaporation disc; the second stirring rods are arranged on the second rotating shaft, and each second stirring rod is arranged along the radial direction of the evaporation disc; and the second driving assembly is arranged on the evaporation disc and is in transmission connection with the second rotating shaft.
In a possible implementation manner, the heating element is a heat exchange coil with one end communicated with the flue gas channel of the waste heat collecting unit, and the other end of the heat exchange coil extends out of the evaporation disc to form a flue gas outlet.
In one possible implementation, the heat exchange coil is spirally wound in the evaporation disc from top to bottom.
The utility model provides a dechlorination treatment device for solid waste, which comprises a stirring unit, a mud-water separation unit, an evaporation unit and a condensation unit, wherein the stirring unit is used for washing and dechlorinating the solid waste such as sintering ash and the like, so that the solid waste is fully mixed with water, and chloride in the solid waste is ensured to be dissolved in the water; after washing, forming a mud-water mixture, conveying the mud-water mixture to a mud-water separation unit through a discharge port, and discharging separated sludge and washing water through a sludge outlet and a water outlet respectively; the water washing liquid enters the evaporation unit through the water outlet, and the evaporation unit can evaporate part of water, so that the transportation amount in the transportation process is reduced, and the transportation cost is reduced; the water vapor generated during evaporation enters the condensing unit through the air outlet and is condensed into liquid water again in the condensing unit, and the water obtained by condensation can be used for washing dechlorination, so that the water consumption during washing dechlorination is reduced, and the water resource is saved.
The utility model discloses well waste heat collection unit can collect heat such as rotary furnace flue gas waste heat, deposit room heat transfer, product waste heat, iron content material cooling heat, can adopt high temperature flue gas, nitrogen gas or carbon dioxide as the heat carrier, heats the evaporation unit. By the arrangement, a large amount of waste heat generated by the rotary kiln, the rotary hearth furnace and other processes is fully utilized, the dust after chloride removal can be recycled to a sintering batching plant, the evaporated water can be returned to the chlorine removal process for recycling, and the resource recycling rate and the economic benefit are improved.
Drawings
Fig. 1 is a schematic structural view of a solid waste dechlorination treatment device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mud-water separation unit according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a schematic structural view of an evaporation pan and a heat exchange coil according to an embodiment of the present invention.
Description of reference numerals:
1. solid waste dechlorination treatment device
10. Stirring unit 11, stirring tank 111, and discharge port
112. Return water port 12, first pivot 13, first puddler
14. First drive assembly 20, mud-water separation unit 21, sedimentation tank
211. Mud outlet 212, water outlet 22 and filter plate
23. Water pump 24, screw conveyer 25, pressing plate
26. Second drive assembly 261, lead screw 262 and guide rod
263. Slider 264, drive motor 30, evaporation unit
31. Evaporating pan 32, heat exchange coil 33 and gas collecting hood
40. Condensing unit 50 and waste heat collecting unit
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to," "secured to," or "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "in communication" it can be directly in communication with the other element via a passageway, or indirectly in communication with the other element via other elements, lines, valves, etc. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" means two or more.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1 to 4, a solid waste dechlorination apparatus 1 according to an embodiment of the present invention will be described.
Referring to fig. 1, an embodiment of the present invention provides a solid waste dechlorination apparatus 1, including: a stirring unit 10 having a feed port, a discharge port 111, and a return port 112; the mud-water separation unit 20 is provided with a mud outlet 211 and a water outlet 212, and the inlet of the mud-water separation unit is communicated with the discharge port 111; the evaporation unit 30 is provided with an inlet communicated with the water outlet 212 and an air outlet; a waste heat collecting unit 50 for supplying heat energy to the evaporation unit 30; and a condensing unit 40 having a condensing inlet communicated with the air outlet and a condensing outlet communicated with the water returning port 112.
The embodiment of the utility model provides a dechlorination processing apparatus 1 useless admittedly can carry out dechlorination to the solid useless of elements such as iron content, zinc such as sintering ash, and the chloride in the solid useless after the dechlorination is dissolved in the washing liquid such as sodium chloride, potassium chloride, can transport to the water treatment center and handle, and the mud that the dechlorination produced is useless admittedly and can be returned the sintering process again through handling and utilize, can improve resource utilization, reduces environmental pollution.
The embodiment of the utility model provides a dechlorination processing apparatus 1 useless admittedly includes stirring unit 10, mud-water separation unit 20, evaporation unit 30 and condensing unit 40, and wherein stirring unit 10 is used for washing dechlorination to solid useless such as sintering ash, makes solid useless and water intensive mixing, guarantees that the chloride in the solid useless dissolves in aqueous; after washing, a mud-water mixture is formed and is conveyed to the mud-water separation unit 20 through the discharge port 111, and the separated sludge and washing water are discharged through the sludge outlet 211 and the water outlet 212 respectively; the water washing liquid enters the evaporation unit 30 through the water outlet 212, and part of water can be evaporated by the evaporation unit 30, so that the transportation amount in the transportation process is reduced, and the transportation cost is reduced; the vapor that produces during the evaporation passes through the gas outlet and gets into condensing unit 40 to condense into liquid water again in condensing unit 40, the hydroenergy that the condensation obtained can be used for washing dechlorination again, thereby reduces the water consumption when washing the dechlorination, the water economy resource.
The embodiment of the utility model provides an between bin outlet 111 and the mud-water separation unit 20, between delivery port 212 and the evaporation unit 30, between gas outlet and the condensation unit 40, respectively through the pipeline intercommunication between condensation export and the return water mouth 112, can be carried smoothly in order to guarantee the material, can set up valve, pump sending subassembly etc. on the pipeline.
The embodiment of the utility model provides a mass ratio that water and solid useless joining can be controlled at 15 when using: 1-2: 1, the adding amount of the water is larger than that of the solid waste, the stirring unit 10 is used for mixing the solid waste and the water together, so that the chloride in the solid waste is promoted to be dissolved in the water, and the finally formed muddy water mixture is discharged through the discharge opening 111.
The mud-water separation unit 20 is used for separating the mud-water mixture to obtain dechlorinated sludge and chlorine-containing water washing liquid. The specific type and structure of the mud-water separation unit 20 are not limited, and it may be a settling tank set by using the principle of gravity settling, or other filtering and separating equipment, such as a drum filter, a vacuum filter, a filter press, etc., which can separate mud from water.
The evaporation unit 30 is used for performing preliminary evaporation on the water washing liquid to reduce the total volume and mass of the water washing liquid and reduce the transportation cost. The specific structure of the evaporation unit 30 is not limited, and the water washing solution therein may be heated and evaporated by means of electrical heating, fuel combustion heating, etc., and may also be heated by using the waste heat of the rotary kiln, the settling chamber, and the rotary hearth furnace, and the heat emitted when the product or the kiln slag is cooled, so as to avoid the waste of resources.
The waste heat collecting unit 50 can collect heat such as flue gas waste heat of the rotary furnace, heat exchange of the settling chamber, product waste heat, cooling heat of iron-containing materials and the like, and can adopt high-temperature flue gas, nitrogen or carbon dioxide as a heat carrier to heat the evaporation unit 30. By the arrangement, a large amount of waste heat generated by the rotary kiln, the rotary hearth furnace and other processes is fully utilized, the dust after chloride removal can be recycled to a sintering batching plant, the evaporated water can be returned to the chlorine removal process for recycling, and the resource recycling rate and the economic benefit are improved.
The water vapor generated during the heating evaporation enters the condensing unit 40 through the air outlet and the pipeline, and is changed into liquid water again in the condensing unit 40. When dechlorination is carried out, the liquid water collected by the condensing unit 40 can be conveyed to the stirring unit 10, so that the water can be recycled. The specific structure of the condensing unit 40 is not limited, and it may be a single pipe that exchanges heat with the outside to liquefy the vapor therein into water; it may also be a jacket structure with a sandwich layer, through which the medium exchanges heat with the steam.
In one specific embodiment, a sintering machine in a certain plant produces about 7 tons of fly ash and sintering ash in one hour, the single-day yield is about 160 tons, and water and solid waste are treated according to the following ratio of 2: 1, the mixed sludge is dechlorinated, the total weight of the mixed sludge is about 21 tons, the dechlorinated sludge is transported to a designated position to be recycled, and the remaining water washing solution enters the evaporation unit 30. The weight of remaining washings is about 8 tons, utilizes heat such as flue gas waste heat, settling chamber heat transfer, product waste heat, iron-containing material cooling heat to evaporate the washings, and the evaporation time is 1 hour, transports remaining washings to water treatment center and handles at last, and the weight of this moment water is 3 tons, and differs 5 tons before evaporating, differs 120 tons a day with evaporating.
In another specific example, a sintering machine in a factory produces about 7 tons of fly ash and sintering ash per hour, the single-day output is about 160 tons, and water and solid waste are mixed according to the ratio of 2.5: 1, the total weight of the mixture is about 24.5 tons, the dechlorinated sludge is transported to a designated position to be recycled, and the remaining water washing liquid enters the evaporation unit 30. The remaining water wash weighed about 11.5 tons and was evaporated by the evaporation unit 30 for 1 hour, and finally the remaining water wash was transported to a water treatment center for treatment, where the water weighed 4 tons, which was 7.5 tons different from that before evaporation, and 180 tons different from that before evaporation one day.
Can find out through above-mentioned two embodiments, no matter water and solid useless according to what kind of proportion mix, the embodiment of the utility model provides a can both reduce the weight of wash liquor in the last transportation link greatly to reduce cost of transportation, improved economic benefits.
Referring to fig. 1, in some possible embodiments, the stirring unit 10 includes: a stirring tank 11 having a discharge port 111 and a return port 112; a first rotating shaft 12 provided in the stirring tank 11 along the axial direction of the stirring tank 11; and a plurality of first stirring rods 13 arranged on the first rotating shaft 12, wherein each first stirring rod 13 is arranged along the radial direction of the stirring tank 11; and a first driving assembly 14 arranged on the stirring tank 11 and in transmission connection with the first rotating shaft 12.
In this embodiment, the solid waste and the water are mixed and stirred together in the stirring tank 11, the solid waste and the water are added into the stirring tank 11 in proportion, the first driving assembly 14 drives the first rotating shaft 12 to rotate, and drives the first stirring rod 13 to stir the mud-water mixture, so that the chloride in the solid waste is fully dissolved in the water, and the purpose of dechlorination is achieved.
The first stirring rod 13 is arranged on the first rotating shaft 12, can be rod-shaped, paddle-shaped and the like, and can generate disturbance to a water body. The first driving assembly 14 is used for driving the first rotating shaft 12 to rotate, and may be a motor, and is connected to the first rotating shaft 12 through a transmission structure such as a gear, a reducer, a belt, etc. The first driving assembly 14 may also be other mechanisms capable of performing a rotational motion, such as a crank block 263 mechanism, a crank rocker mechanism, a rack and pinion mechanism, and the like, which is not limited in this embodiment.
Referring to fig. 2 and 3, in some possible embodiments, the mud-water separation unit 20 includes: a sedimentation tank 21; the filter plate 22 is arranged in the sedimentation tank 21 and divides the sedimentation tank 21 into a sedimentation cavity and a liquid purification cavity, the sedimentation cavity is communicated with the discharge port 111, the sludge outlet 211 is arranged at the bottom of the sedimentation cavity, and the water outlet 212 is arranged at the bottom of the liquid purification cavity; and a suction pump 23 connected between the water outlet 212 and the evaporation unit 30.
In this embodiment, the mud-water separation unit 20 discharges the mud-water mixture into the settling chamber by using the principle of natural settling, and after standing for a period of time, the mud naturally settles at the bottom of the settling chamber, and is finally discharged from the mud outlet 211. The filter plate 22 can filter the water washing liquid in the sedimentation tank 21, so that the sludge is retained in the sedimentation chamber, and the water enters the liquid purification chamber through the filter plate 22 and is conveyed to the evaporation unit 30 by the water suction pump 23.
In the present embodiment, one or more filter plates 22 may be provided, and the filter plates 22 are used for separating mud from water, and may be a single plate-shaped structure or a composite structure formed by combining a plurality of parts. In order to improve the filtering effect, a plurality of filter plates 22 can be arranged between the precipitation chamber and the liquid purifying chamber, and the diameters of the filter holes of the plurality of filter plates 22 are sequentially reduced, so that the step-by-step filtering can be realized.
Referring to fig. 2 and 3, in some possible embodiments, the mud-water separation unit 20 further includes a screw conveyor 24 having a feeding end communicated with the mud outlet 211, and the settled mud can be automatically conveyed by the screw conveyor 24, thereby eliminating the manual cleaning procedure.
Referring to fig. 2 and 3, in some possible embodiments, the mud-water separation unit 20 further includes; the pressing plate 25 is arranged in the sedimentation chamber, the peripheral wall of the pressing plate 25 is in sliding fit with the inner wall of the sedimentation chamber, and the pressing plate 25 is provided with a filtering hole for liquid to pass through; and a second driving assembly 26 provided to the settling tank 21 for driving the pressing plate 25 to move up and down along the inner wall of the settling chamber.
In this embodiment, the pressing plate 25 can move up and down along the inner wall of the settling chamber, the pressing plate 25 is provided with a filtering hole for liquid to pass through, the pressing plate 25 moves from top to bottom during use, solid substances are enabled to be rapidly settled in the pressing process, the filtering process can be accelerated, and the filtering time is shortened. The platen 25 may be a single plate-like structure or a composite structure formed by combining a plurality of components.
In this embodiment, the second driving assembly 26 is used to drive the platen 25 to move up and down, specifically, the second driving assembly 26 may be a rack and pinion mechanism, an electric telescopic rod or a hydraulic cylinder with a telescopic end connected to the platen 25, or may be another structure capable of achieving linear motion, which is not limited in this embodiment.
Referring to fig. 2 and 3, in some possible embodiments, the second driving assembly 26 includes: the screw rod 261 is arranged in the sedimentation cavity from top to bottom and is rotatably connected with the sedimentation cavity; the guide rod 262 is arranged in the sedimentation cavity and is arranged in the sedimentation cavity in parallel with the screw rod 261, and the pressing plate 25 is provided with a guide hole in sliding fit with the guide rod 262; a slider 263 disposed on the pressing plate 25 and having a threaded hole engaged with the screw 261; and the driving motor 264 is in transmission connection with the screw rod 261 and is used for driving the screw rod 261 to rotate.
In this embodiment, the up-and-down movement of the pressing plate 25 is realized by matching the screw rod 261 and the sliding block 263, the driving motor 264 can drive the screw rod 261 to rotate through the forms of gear transmission, belt transmission and the like, the screw rod 261 rotates to enable the sliding block 263 to drive the pressing plate 25 to move along the axial direction of the screw rod 261, and the guide rod 262 can play the limiting and guiding roles on the pressing plate 25.
Referring to fig. 1 and 4, in some possible embodiments, the evaporation unit 30 includes: an evaporation pan 31 communicating with the water outlet 212; a heating element provided in the evaporation pan 31; and a gas collecting hood 33 which is provided over the evaporation pan 31 and has a gas outlet.
In the present embodiment, the evaporation pan 31 is used for storing the water washing liquid, the depth of the evaporation pan 31 may be 20 cm to 100 cm, and the heating element is disposed inside the evaporation pan 31 and is capable of heating the water washing liquid to promote evaporation of the water washing liquid. The gas collecting hood 33 is disposed above the evaporation tray 31, and can collect and convey water vapor to the condensing unit 40, in order to improve the collecting capability of the gas collecting hood 33, an air pump can be disposed on a pipeline between the gas collecting hood 33 and the condensing unit 40, and can generate negative pressure, so as to conveniently suck water vapor into the gas collecting hood 33.
The heating element can be an electric heating tube, high-temperature flue gas generated when a rotary kiln and a rotary hearth furnace work, or high-temperature carbon dioxide or nitrogen after heat exchange with a settling chamber, a high-temperature product and kiln slag.
Referring to fig. 1 and 4, in some possible embodiments, the evaporation unit 30 further includes: a second rotating shaft provided in the evaporation pan 31 along the axial direction of the evaporation pan 31; a plurality of second stirring rods arranged on the second rotating shaft, wherein each second stirring rod is arranged along the radial direction of the evaporation disc 31; and the second driving assembly 26 is arranged on the evaporation disc 31 and is in transmission connection with the second rotating shaft.
In this embodiment, the second rotating shaft drives the second stirring rod to rotate, so that the water washing liquid in the evaporation tray 31 can flow, the temperature of the water washing liquid at each position is ensured to be consistent, and the evaporation time is favorably shortened.
The second stirring rod is arranged on the second rotating shaft, can be rod-shaped, paddle-shaped and the like, and can disturb the water body. The second driving assembly 26 is used for driving the second rotating shaft to rotate, and may be a motor, and is connected to the second rotating shaft through a transmission structure such as a gear, a reducer, a belt, etc. The second driving assembly 26 may also be other mechanisms capable of performing a rotational motion, such as a crank block 263 mechanism, a crank rocker mechanism, a rack and pinion mechanism, and the like, which is not limited in this embodiment.
Referring to fig. 1 and 4, in some possible embodiments, the heating element is a heat exchange coil 32 having one end communicating with the flue gas channel of the residual heat collecting unit 50, and the other end of the heat exchange coil 32 extends out of the evaporation pan 31 to form a flue gas outlet.
Waste heat collection unit 50 can collect one or more in rotary furnace flue gas waste heat, the deposit room heat transfer, product waste heat, the iron content material cooling heat in this embodiment, can adopt nitrogen gas or carbon dioxide as the heat carrier, and during operation high temperature nitrogen gas or carbon dioxide let in heat transfer coil 32 to the heating of the washing liquid in evaporating pan 31, discharge from the exhanst gas outlet. The water washing liquid is evaporated by utilizing the heat of flue gas waste heat, product waste heat and the like, so that the energy utilization rate is improved.
It should be noted that, when nitrogen or carbon dioxide is used as a heat carrier, the flue gas outlet can be directly communicated to the outside, and when high-temperature flue gas of the rotary kiln is introduced into the heat exchange coil 32, the flue gas outlet needs to be communicated with a gas purification device, and the flue gas is purified and then discharged to the outside.
Referring to fig. 4, in some possible embodiments, the heat exchanging coil 32 is spirally wound in the evaporating pan 31 from top to bottom.
In order to further improve the heat exchange effect and accelerate the evaporation process, radiating fins can be arranged outside the heat exchange coil 32, so that the heat exchange area can be increased, and the heat dissipation is accelerated.
It is to be understood that, the above-mentioned embodiments may be freely combined or deleted to form different combination embodiments, and details of each combination embodiment are not repeated herein, and after this description, it can be considered that the present invention has described each combination embodiment and can support different combination embodiments.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Solid useless dechlorination processing apparatus, its characterized in that includes:
the stirring unit is provided with a feeding hole, a discharging hole and a water return hole;
the inlet of the mud-water separation unit is communicated with the discharge port, and the mud-water separation unit is also provided with a mud outlet and a water outlet;
the evaporation unit is provided with an inlet communicated with the water outlet and an air outlet;
the waste heat collecting unit is used for providing heat energy for the evaporation unit; and
and the condensation unit is provided with a condensation inlet communicated with the air outlet and a condensation outlet communicated with the water return port.
2. The solid waste dechlorination treatment apparatus of claim 1, wherein the stirring unit comprises:
the stirring tank is provided with the discharge port and the water return port;
the first rotating shaft is arranged in the stirring tank along the axial direction of the stirring tank; and
the first stirring rods are arranged on the first rotating shaft, and each first stirring rod is arranged along the radial direction of the stirring tank; and
the first driving assembly is arranged on the stirring tank and is in transmission connection with the first rotating shaft.
3. The solid waste dechlorination treatment apparatus of claim 1, wherein the mud-water separation unit comprises:
a sedimentation tank;
the filter plate is arranged in the sedimentation tank and divides the sedimentation tank into a sedimentation cavity and a liquid purification cavity, the sedimentation cavity is communicated with the discharge port, the sludge outlet is formed in the bottom of the sedimentation cavity, and the water outlet is formed in the bottom of the liquid purification cavity; and
and the water suction pump is connected between the water outlet and the evaporation unit.
4. The solid waste dechlorination treatment apparatus of claim 3, wherein the mud-water separation unit further comprises a screw conveyor having a feed end connected to the mud outlet.
5. The solid waste dechlorination treatment apparatus of claim 3, wherein the mud-water separation unit further comprises;
the pressing plate is arranged in the sedimentation cavity, the peripheral wall of the pressing plate is in sliding fit with the inner wall of the sedimentation cavity, and the pressing plate is provided with a filtering hole for liquid to pass through; and
and the second driving assembly is arranged on the sedimentation tank and used for driving the pressing plate to move up and down.
6. The solid waste dechlorination apparatus of claim 5 wherein the second drive assembly comprises:
the screw rod is arranged in the sedimentation cavity along the up-down direction and is rotationally connected with the sedimentation cavity;
the guide rod is arranged in the sedimentation cavity and is parallel to the screw rod, and the pressing plate is provided with a guide hole in sliding fit with the guide rod;
the sliding block is arranged on the pressing plate and is provided with a threaded hole matched with the screw rod; and
and the driving motor is in transmission connection with the screw rod and is used for driving the screw rod to rotate.
7. The solid waste dechlorination treatment apparatus of claim 1, wherein the evaporation unit comprises:
the evaporation disc is communicated with the water outlet;
the heating element is arranged in the evaporation disc; and
and the gas collecting hood is covered above the evaporation tray and is provided with the gas outlet.
8. The solid waste dechlorination treatment apparatus of claim 7, wherein the evaporation unit further comprises:
the second rotating shaft is arranged in the evaporation disc along the axial direction of the evaporation disc;
the second stirring rods are arranged on the second rotating shaft, and each second stirring rod is arranged along the radial direction of the evaporation disc; and
and the second driving assembly is arranged on the evaporation disc and is in transmission connection with the second rotating shaft.
9. The solid waste dechlorination treatment device according to claim 7, wherein the heating element is a heat exchange coil with one end communicated with the flue gas channel of the waste heat collecting unit, and the other end of the heat exchange coil extends out of the evaporation pan to form a flue gas outlet.
10. The solid waste dechlorination treatment device according to claim 9, wherein the heat exchange coil is spirally wound in the evaporation disc from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676993.4U CN217474423U (en) | 2022-03-24 | 2022-03-24 | Solid waste dechlorination treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676993.4U CN217474423U (en) | 2022-03-24 | 2022-03-24 | Solid waste dechlorination treatment device |
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| CN217474423U true CN217474423U (en) | 2022-09-23 |
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| CN202220676993.4U Active CN217474423U (en) | 2022-03-24 | 2022-03-24 | Solid waste dechlorination treatment device |
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- 2022-03-24 CN CN202220676993.4U patent/CN217474423U/en active Active
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