CN115487614B - Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material - Google Patents
Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material Download PDFInfo
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- CN115487614B CN115487614B CN202211194728.3A CN202211194728A CN115487614B CN 115487614 B CN115487614 B CN 115487614B CN 202211194728 A CN202211194728 A CN 202211194728A CN 115487614 B CN115487614 B CN 115487614B
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- filter screen
- fixedly connected
- ball
- tank body
- side wall
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- 238000005245 sintering Methods 0.000 title claims abstract description 35
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 30
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000010408 sweeping Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229910021426 porous silicon Inorganic materials 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 22
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 230000001739 rebound effect Effects 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 241000883990 Flabellum Species 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0006—Coils or serpentines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/0072—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides environment-friendly exhaust equipment for sintering a silicon nitride porous ceramic material, which belongs to the technical field of sintering tail gas treatment and comprises a tank body, wherein a sliding groove is formed in the bottom of an inner cavity of the tank body, a first spring is fixedly connected in the sliding groove, and a filter screen is fixedly connected to the top end of the first spring; according to the invention, through the cooperation among the rotating seat, the knocking rod, the knocking ball, the touch ball, the reset spring and the abutting ball, the rotating shaft is utilized to drive the abutting ball to rotate, and the extrusion force generated by the abutting ball to the touch ball is utilized, so that the touch ball is enabled to overturn downwards along with the knocking rod, when the extrusion state is released immediately, the knocking ball can rapidly descend under the self gravity and the rebound effect of the reset spring, so that the filter screen is knocked and the shaking effect is generated, dust impurities attached to the bottom of the filter screen are shaken off, the situation that the filter screen is blocked is effectively avoided, the using effect of the filter screen is ensured, and the purification efficiency of the device is further improved.
Description
Technical Field
The invention relates to the field of sintering tail gas treatment, in particular to environment-friendly exhaust equipment for sintering a silicon nitride porous ceramic material.
Background
The silicon nitride porous ceramic material is an artificial synthetic material, has excellent comprehensive properties of high hardness, high strength, high temperature resistance, oxidation resistance, wear resistance, thermal shock resistance and the like, and is widely applied to the field of high temperature resistant engineering. The porous ceramic material is porous ceramic with pore size and distribution controlled during forming and sintering, and has high porosity and density lower than that of dense ceramic of the same material, so that the porous ceramic material has light weight. The porous silicon nitride ceramic material needs 1300 ℃ high temperature in the sintering process, so that the exhaust gas discharged by the porous silicon nitride ceramic material contains a lot of waste gas impurities and has huge high-temperature heat.
At present, the existing silicon nitride porous ceramic material sintering exhaust equipment only can filter and neutralize impurities in exhaust gas in the using process, but cannot effectively treat high-temperature heat in the exhaust gas, so that a large amount of high-temperature heat is directly discharged, the severe working environment is caused in small aspects, the current global warming trend is adversely affected in large aspects, the filtering part is often blocked by dust after the existing exhaust equipment is used for a long time, the ventilation capacity of the exhaust equipment is reduced, the overall treatment efficiency is influenced, the maintenance frequency of the equipment is increased, and the unfavorable equipment keeps long-term stable operation.
How to invent an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material to improve the problems becomes a problem to be solved by the person skilled in the art.
Disclosure of Invention
In order to make up for the defects, the invention provides environment-friendly exhaust equipment for sintering a silicon nitride porous ceramic material, which aims to improve the problem that high-temperature heat in sintering tail gas cannot be effectively treated and has adverse effect on the environment; and the filtering part of the traditional equipment is often blocked by dust, so that the overall treatment efficiency is affected.
The invention is realized in the following way:
the invention provides environment-friendly exhaust equipment for sintering a silicon nitride porous ceramic material, which comprises a tank body, an air inlet pipe fixedly connected with the side wall of the bottom of the tank body, and an air outlet pipe fixedly connected with the top of the tank body, wherein a cleaning window is arranged at the bottom of the tank body and made of transparent materials, a sliding groove is annularly arranged at the bottom of the inner cavity of the tank body, first springs are fixedly connected in the sliding groove, a filter screen is fixedly connected to one end of the first springs, which is far away from the bottom of the sliding groove, the filter screen is attached to the inner wall of the tank body and is in sliding connection with the inner wall of the tank body, a treatment tank is fixedly connected to the middle part of the inner cavity of the tank body, a rotating shaft is rotatably connected to the middle part of the inner cavity of the tank body, a driving motor is fixedly connected to the top of the tank body, and an output shaft of the driving motor is fixedly connected with the rotating shaft;
the recovery component is arranged on the inner wall of the tank body and is used for condensing and recovering the treatment liquid carried out by the hot gas;
the anti-blocking component is arranged on the upper surface of the filter screen and used for beating the filter screen, so that the filter screen is prevented from being blocked.
Preferably, the side wall of the treatment tank is fixedly connected with a vent pipe, the vent pipe is annularly arranged along the central axis of the treatment tank, and the treatment tank is filled with sodium hydroxide solution.
Preferably, the middle part of the treatment tank is provided with a connecting ring, the outer wall of the connecting ring is fixedly connected with the side wall of the treatment tank, the rotating shaft penetrates through the middle part of the connecting ring, the inner wall of the connecting ring is rotationally connected with the side wall of the rotating shaft, the side wall of the rotating shaft is fixedly connected with an agitating rod at the lower part of the treatment tank, and the agitating rod is annularly arranged along the center of the rotating shaft.
Preferably, the recovery assembly comprises a condenser pipe, the condenser pipe is fixed at a tank side wall along the annular of tank center shaft, the upper and lower ends of the condenser pipe all run through the tank side wall, condenser pipe upper end fixedly connected with ring pipe, condenser pipe lower extreme lateral wall is provided with the sealing valve, and four the condenser pipe all is linked together with the ring pipe, ring pipe inner wall and tank upper portion lateral wall fixed connection, the condenser pipe department fixedly connected with stirring flabellum that the rotation axis lateral wall is located tank inner chamber, stirring flabellum is along rotation axis center annular setting.
Preferably, the part of the condensing tube located in the inner cavity of the tank body adopts a serpentine bending design, and cooling water is filled in the condensing tube and the annular tube.
Preferably, the distances between the four stirring blades and the top of the inner cavity of the tank body are different, and the edges of the stirring blades are designed in a wave shape.
Preferably, the anti-blocking component comprises a rotating seat, the rotating seat is annularly arranged on the surface of the filter screen along a central shaft of the tank body, a knocking rod is rotationally connected in the rotating seat, one end of the knocking rod, which is close to the side wall of the tank body, is fixedly connected with a knocking ball, one side of the knocking rod, which is far away from the knocking ball, is fixedly connected with a touch ball, a limit groove is formed in one side of the knocking rod, which is close to the touch ball, the surface of the filter screen is positioned at the bottom of the limit groove, a limit slide rod is fixedly connected with, the outer diameter of the limit slide rod is smaller than the inner diameter of the limit groove, a reset spring is sleeved on the side wall of the limit slide rod, the outer diameter of the reset spring is larger than the inner diameter of the limit groove, an elastic sweeping rod is fixedly connected with the side wall of the filter screen, the elastic sweeping rod is distributed in a triangular shape along the center of the rotation shaft, and the upper side wall of the elastic sweeping rod is attached to the bottom of the filter screen.
Preferably, the side wall of the rotating shaft is fixedly connected with a mounting plate between the treatment tank and the filter screen, the bottom of the mounting plate is fixedly connected with a collision ball, the collision ball is annularly arranged along the central shaft of the rotating shaft, and the collision ball can be in movable contact with the touch ball.
Preferably, the distance from the contact ball to the filter screen is smaller than that from the contact ball to the filter screen, and the contact ball surface are subjected to smooth polishing treatment.
Preferably, the surface of the filter screen is fixedly connected with a knocking pad at the contact part of the knocking ball and the filter screen, and the knocking pad is made of wear-resistant metal materials.
The beneficial effects of the invention are as follows: the rotary seat, the knocking rod, the knocking ball, the touch ball, the reset spring and the matching between the knocking ball are utilized, the rotating shaft is utilized to drive the knocking ball to rotate, the extrusion force generated by the knocking ball to the touch ball is utilized, the touch ball is enabled to overturn downwards along with the knocking rod, when the extrusion state is released immediately, the knocking ball can rapidly descend under the self gravity and the rebound effect of the reset spring, the filter screen is knocked to generate a shaking effect, dust impurities attached to the bottom of the filter screen are shaken off, the situation that the filter screen is blocked is effectively avoided, the use effect of the filter screen is ensured, and the purification efficiency of the device is improved; the device realizes preliminary cooling through gas-liquid mixing, immediately condenses tail gas and steam again to this heat that carries when reducing the waste gas and discharging outward further weakens sintering and produces high temperature waste gas and produce the greenhouse effect influence to the environment, but also can heat the liquid in the condenser pipe, and realize recycling the condensation of steam, thereby realize good energy-concerving and environment-protective effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an environmental protection exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rear view partially sectioned structure of an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 3 is a schematic view of an enlarged structure of the area A in FIG. 2 of an environmental protection exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a front view of the inside of a tank of an environmental protection exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the top view of the inside of a tank of an environmental protection exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 6 is a schematic view showing the bottom structure of the inside of a tank of an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an anti-blocking assembly of an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention;
fig. 8 is a schematic view of a rotating shaft structure of an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material according to an embodiment of the present invention.
In the figure: 1. a tank body; 101. cleaning a window; 2. a sliding groove; 21. a first spring; 22. a filter screen; 221. knocking the pad; 3. a treatment pool; 31. a vent pipe; 32. a connecting ring; 33. an agitating rod; 4. a rotation shaft; 5. a recovery assembly; 51. a condensing tube; 52. an annular tube; 53. stirring fan blades; 6. an anti-blocking assembly; 61. a rotating seat; 62. knocking the rod; 63. striking a ball; 64. touching the ball; 65. a limit groove; 66. a limit slide bar; 67. a return spring; 68. an elastic sweeping rod; 69. against the ball.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1-8, an environment-friendly exhaust device for sintering a silicon nitride porous ceramic material comprises a tank body 1, an air inlet pipe fixedly connected with the side wall of the bottom of the tank body 1, and an air outlet pipe fixedly connected with the top of the tank body 1, wherein a cleaning window 101 is arranged at the bottom of the tank body 1, the cleaning window 101 is made of transparent materials, a sliding groove 2 is annularly arranged at the bottom of an inner cavity of the tank body 1, first springs 21 are fixedly connected in the sliding groove 2, one end of each first spring 21, far away from the bottom of the sliding groove 2, is fixedly connected with a filter screen 22, the filter screen 22 is attached to the inner wall of the tank body 1 and is in sliding connection with the inner wall of the tank body 1, a treatment tank 3 is fixedly connected in the middle of the inner cavity of the tank body 1, a rotary shaft 4 is rotationally connected in the middle of the inner cavity of the tank body 1, a driving motor is fixedly connected to the top of the tank body 1, and an output shaft of the driving motor is fixedly connected with the rotary shaft 4;
it should be noted that: in daily use, utilize clearance window 101 to observe the deposition degree that is located jar body 1 bottom to this judges whether need shut down the clearance, when need clear up, only need open clearance window 101 draw out jar body 1 inside deposition can.
The recovery assembly 5 is arranged on the inner wall of the tank body 1, and the recovery assembly 5 is used for condensing and recovering the treatment liquid carried out by the hot gas;
the anti-blocking component 6 is arranged on the upper surface of the filter screen 22, and the anti-blocking component 6 is used for beating the filter screen 22 so as to avoid the condition that the filter screen 22 is blocked;
referring to fig. 5, further, a vent pipe 31 is fixedly connected to the side wall of the treatment tank 3, the vent pipe 31 is annularly arranged along the central axis of the treatment tank 3, and sodium hydroxide solution is filled in the treatment tank 3;
referring to fig. 5, further, a connecting ring 32 is arranged in the middle of the treatment tank 3, the outer wall of the connecting ring 32 is fixedly connected with the side wall of the treatment tank 3, a rotating shaft 4 penetrates through the middle of the connecting ring 32, the inner wall of the connecting ring 32 is rotatably connected with the side wall of the rotating shaft 4, the side wall of the rotating shaft 4 is positioned at the lower part of the treatment tank 3 and is fixedly connected with an agitating rod 33, and the agitating rod 33 is annularly arranged along the center of the rotating shaft 4;
it should be noted that: when the waste gas generated by sintering enters the tank body 1 through the air inlet pipe, firstly, smoke particles in the waste gas are filtered by the filter screen 22, then after the pressure in the waste gas is continuously introduced into the tank body 1 and is increased, the filtered waste gas enters the treatment tank 3 through the vent pipe 31 and is emitted upwards from the bottom of sodium hydroxide solution in the treatment tank 3, firstly, the liquid solution is used for primarily cooling the high-temperature waste gas, so that the heat contained in the subsequent discharge of the tail gas is reduced, the greenhouse effect of hot exhaust on the environment is reduced, and then the stirring rod 33 is driven by the rotating shaft 4 to rotate, so that the full mixing of the waste gas and the sodium hydroxide solution is realized, the treatment efficiency of the device is improved, and the precipitation and precipitation of the sodium hydroxide solution can be effectively prevented, so that the purification effect of the treatment tank 3 is improved, and the treatment effect of the device is improved.
Referring to fig. 4, 5 and 6, further, the recovery assembly 5 includes a condensation tube 51, the condensation tube 51 is annularly fixed on the side wall of the tank 1 along the central axis of the tank 1, the upper and lower ends of the condensation tube 51 penetrate through the side wall of the tank 1, the upper end of the condensation tube 51 is fixedly connected with an annular tube 52, the side wall of the lower end of the condensation tube 51 is provided with a sealing valve, the four condensation tubes 51 are communicated with the annular tube 52, the inner wall of the annular tube 52 is fixedly connected with the side wall of the upper part of the tank 1, the side wall of the rotary shaft 4 is fixedly connected with stirring fan blades 53 at the position of the condensation tube 51 in the inner cavity of the tank 1, and the stirring fan blades 53 are annularly arranged along the center of the rotary shaft 4;
it should be noted that: in the process of introducing the sodium hydroxide solution into the waste gas for mixing, part of the solution is evaporated due to the high temperature carried by the waste gas, the treated waste gas moves upwards along with the rotation of the rotating shaft 4, and the condensing pipes 51 arranged around the steam solution are stirred up by the stirring fan blades 53, so that the steam and the treated waste gas are cooled, the heat carried during the exhaust of the waste gas is further reduced, the greenhouse effect of the high-temperature waste gas generated by sintering on the environment is further weakened, the liquid in the condensing pipes 51 is heated, the condensation recovery of the steam is realized, the rationality of the device is improved, and the device realizes good energy-saving and environment-friendly effects.
Referring to fig. 4 and 5, further, the portion of the condensation tube 51 located in the inner cavity of the tank body 1 is in a serpentine bending design, and cooling water is filled in the condensation tube 51 and the annular tube 52;
it should be noted that: the cooling water adopted above can be the daily clean water that can directly use, utilizes the condenser pipe 51 of snakelike crooked design, can condense the transpiration flue gas more on a large scale to this cooling rate that has improved condenser pipe 51, and then improved the effect of device reuse.
Referring to fig. 4 and 6, further, the distances between the four stirring blades 53 and the top of the inner cavity of the tank 1 are different, and the edges of the stirring blades 53 are in a wave-shaped design;
it should be noted that: utilize four stirring flabellums 53 that stagger set up, can make stirring flabellum 53 at the inside fan area of jar body 1 bigger to can be better promote jar body 1 inside gas that is in different positions to condenser pipe 51 department, and then can make the comparatively comprehensive contact with condenser pipe 51 of gas, with this cooling effect that has improved condenser pipe 51.
Referring to fig. 6, 7 and 8, further, the anti-blocking component 6 includes a rotating seat 61, the rotating seat 61 is annularly arranged on the upper surface of the filter screen 22 along the central axis of the tank body 1, a knocking rod 62 is rotatably connected in the rotating seat 61, one end of the knocking rod 62 close to the side wall of the tank body 1 is fixedly connected with a knocking ball 63, one side of the knocking rod 62 far away from the knocking ball 63 is fixedly connected with a touch ball 64, one side of the knocking rod 62 close to the touch ball 64 is provided with a limit groove 65, the upper surface of the filter screen 22 is positioned at the bottom of the limit groove 65 and is fixedly connected with a limit slide bar 66, the outer diameter of the limit slide bar 66 is smaller than the inner diameter of the limit groove 65, the side wall of the limit slide bar 66 is sleeved with a reset spring 67, the outer diameter of the reset spring 67 is larger than the inner diameter of the limit groove 65, the side wall of the rotary shaft 4 is fixedly connected with an elastic sweeping rod 68 along the center of the rotary shaft 4, the elastic sweeping rod 68 is distributed in a triangular shape along the center of the rotary shaft 4, and the upper side wall of the elastic sweeping rod 68 is attached to the bottom of the filter screen 22;
referring to fig. 7 and 8, further, a mounting plate is fixedly connected between the processing tank 3 and the filter screen 22 on the side wall of the rotating shaft 4, a collision ball 69 is fixedly connected to the bottom of the mounting plate, the collision ball 69 is annularly arranged along the central axis of the rotating shaft 4, and the collision ball 69 can be in movable contact with the touch ball 64;
it should be noted that: the rotary seat 61, the knocking rod 62, the knocking ball 63, the touch ball 64, the reset spring 67 and the abutting ball 69 are matched, when the rotary shaft 4 rotates, the abutting ball 69 is driven to synchronously rotate, the abutting ball 69 is contacted with the touch ball 64 in the rotating process, the pressing force generated by the abutting ball 69 on the touch ball 64 when the rotary shaft 4 rotates is utilized, the touch ball 64 and the knocking rod 62 are turned downwards, when the abutting ball 69 and the touch ball 64 are in a non-pressing state, the knocking ball 63 can rapidly descend under the self gravity and the rebound effect of the reset spring 67, so that the filter screen 22 is knocked, the filter screen 22 is enabled to slightly shake under the action of the first spring 21 and the sliding groove 2, and the shaking effect is generated in the filter screen 22, so that dust impurities attached to the bottom of the filter screen 22 are shaken off, the condition that the filter screen 22 is blocked is effectively avoided, and the use effect of the filter screen 22 is ensured, and the purification efficiency of the device is further improved; and the elastic sweeping rod 68 which is distributed in a triangular shape can also clean the bottom of the filter screen 22 in the process of rotating the rotating shaft 4, so that the condition that the filter screen 2 is blocked is effectively reduced, the use effect of the filter screen 22 is further ensured, and the fact that the elastic sweeping rod 68 is elastically deformed when the filter screen 22 shakes is required to be described, so that the shake of the filter screen 22 is not influenced.
Referring to fig. 7 and 8, further, the distance from the contact ball 69 to the filter screen 22 is smaller than the distance from the contact ball 64 to the filter screen 22, and the surfaces of the contact ball 69 and the contact ball 64 are polished smoothly;
it should be noted that: it is ensured that the interference ball 69 contacts the trigger ball 64 and that the purpose of striking the filter screen 22 is achieved with minimal frictional losses therebetween.
Referring to fig. 7, further, a striking pad 221 is fixedly connected to the upper surface of the filter screen 22 at the contact position between the striking ball 63 and the filter screen 22, and the striking pad 221 is made of wear-resistant metal material;
it should be noted that: through the arrangement of the structure, the knocking ball 63 can be ensured to knock the filter screen 22 for a long time and is not easy to damage, so that the durability of the knocking ball 63 and the filter screen 22 is improved, and the frequency of the device for maintaining and replacing the filter screen 22 is reduced.
Referring to fig. 1-8, according to the working principle of the environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material, when the environment-friendly exhaust equipment is used, waste gas generated by sintering enters a tank body 1 through an air inlet pipe, firstly, smoke particles in the waste gas are filtered by a filter screen 22, after the pressure of the waste gas continuously introduced into the tank body 1 is increased, the filtered waste gas enters a treatment tank 3 through a vent pipe 31 and is emitted upwards from the bottom of sodium hydroxide solution in the treatment tank 3, so that impurities and heat of the waste gas are absorbed, and in the process, a stirring rod 33 is driven to rotate by a rotating shaft 4, so that the waste gas and the sodium hydroxide solution are fully mixed, and the treatment effect of the device is improved;
meanwhile, the rotating shaft 4 is utilized to drive the stirring fan blades 53 to push the condensing pipes 51 arranged around the vapor solution phase, so as to cool the vapor and the treated waste gas, in the process, the vapor is cooled and then drops to the treatment tank 3 again under the action of gravity, the heat carried by the waste gas during self discharge is reduced after the waste gas is cooled, the greenhouse effect influence of high-temperature waste gas generated by sintering on the environment is further weakened, and the condensing pipes 51 can heat the liquid in the condensing pipes after absorbing the heat of the vapor and the waste gas, so that the recycling of the heat efficiency is realized, and the good energy-saving and environment-friendly effects are achieved;
meanwhile, when the rotating shaft 4 rotates, the abutting ball 69 is driven to synchronously rotate, so that the abutting ball 69 contacts with the touch ball 64 in the rotating process, the pressing force generated by the abutting ball 69 on the touch ball 64 when the rotating shaft 4 rotates is utilized, the touch ball 64 and the knocking rod 62 are turned downwards, when the abutting ball 69 and the touch ball 64 are in a non-pressing state, the knocking ball 63 immediately descends under the self gravity and the rebound effect of the reset spring 67, so as to knock the filter screen 22, the filter screen 22 slightly shakes under the action of the first spring 21 and the sliding groove 2, and a shaking effect is generated in the filter screen 22, so that dust impurities attached to the bottom of the filter screen 22 are shaken off, and in the process again, the elastic sweeping rod 68 positioned at the bottom of the rotating shaft 4 also cleans the bottom of the filter screen 22, so that the use effect of the filter screen 22 is further ensured;
finally, the cleaning window 101 is utilized to observe the ash deposition degree at the bottom of the tank body 1, so as to judge whether shutdown cleaning is needed, and when cleaning is needed, the cleaning window 101 is only required to be opened to draw out the ash deposition in the tank body 1.
It should be noted that, specific model specifications of the motor need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an environmental protection exhaust equipment is used in sintering of porous ceramic material of silicon nitride, includes jar body (1), with jar body (1) bottom lateral wall fixed connection's intake pipe, with jar body (1) top fixed connection's outlet duct, its characterized in that: the cleaning device is characterized in that a cleaning window (101) is arranged at the bottom of the tank body (1), the cleaning window (101) is made of transparent materials, a sliding groove (2) is annularly formed in the bottom of an inner cavity of the tank body (1), a first spring (21) is fixedly connected in the sliding groove (2), a filter screen (22) is fixedly connected to one end, far away from the bottom of the sliding groove (2), of the first spring (21), the filter screen (22) is attached to the inner wall of the tank body (1) and is in sliding connection with the inner wall of the tank body, a treatment tank (3) is fixedly connected to the middle inside the tank body (1), a rotary shaft (4) is rotationally connected to the middle inside the inner cavity of the tank body (1), a driving motor is fixedly connected to the top of the tank body (1), and an output shaft of the driving motor is fixedly connected with the rotary shaft (4);
the recovery component (5) is arranged on the inner wall of the tank body (1), and the recovery component (5) is used for condensing and recovering the treatment liquid carried out by the hot gas;
the anti-blocking assembly (6) is arranged on the upper surface of the filter screen (22), and the anti-blocking assembly (6) is used for beating the filter screen (22) so as to avoid the condition that the filter screen (22) is blocked;
the side wall of the treatment tank (3) is fixedly connected with a vent pipe (31), the vent pipe (31) is annularly arranged along the central axis of the treatment tank (3), and sodium hydroxide solution is filled in the treatment tank (3);
the middle part of the treatment tank (3) is provided with a connecting ring (32), the outer wall of the connecting ring (32) is fixedly connected with the side wall of the treatment tank (3), the rotating shaft (4) penetrates through the middle part of the connecting ring (32), the inner wall of the connecting ring (32) is rotationally connected with the side wall of the rotating shaft (4), the side wall of the rotating shaft (4) is positioned at the lower part of the treatment tank (3) and is fixedly connected with an agitating rod (33), and the agitating rod (33) is annularly arranged along the center of the rotating shaft (4);
the recycling assembly (5) comprises a condensing tube (51), the condensing tube (51) is annularly fixed on the side wall of the tank body (1) along the central shaft of the tank body (1), the upper end and the lower end of the condensing tube (51) are all penetrated through the side wall of the tank body (1), the upper end of the condensing tube (51) is fixedly connected with an annular tube (52), the side wall of the lower end of the condensing tube (51) is provided with a sealing valve, the four condensing tubes (51) are all communicated with the annular tube (52), the inner wall of the annular tube (52) is fixedly connected with the side wall of the upper portion of the tank body (1), stirring fan blades (53) are fixedly connected at the position of the condensing tube (51) of the inner cavity of the tank body (1), and the stirring fan blades (53) are annularly arranged along the center of the rotating shaft (4).
2. The environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material according to claim 1, wherein the part of the condensation pipe (51) positioned in the inner cavity of the tank body (1) adopts a serpentine bending design, and cooling water is filled in the condensation pipe (51) and the annular pipe (52).
3. The environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material according to claim 1, wherein the distances between the four stirring blades (53) and the top of the inner cavity of the tank body (1) are different, and the edges of the stirring blades (53) are of a wavy design.
4. The environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material according to claim 1, wherein the anti-blocking component (6) comprises a rotating seat (61), the rotating seat (61) is annularly arranged on the upper surface of the filter screen (22) along the central shaft of the tank body (1), a knocking rod (62) is rotatably connected inside the rotating seat (61), one end of the knocking rod (62) close to the side wall of the tank body (1) is fixedly connected with a knocking ball (63), one side of the knocking rod (62) away from the knocking ball (63) is fixedly connected with a touch ball (64), one side of the knocking rod (62) close to the touch ball (64) is provided with a limit groove (65), the upper surface of the filter screen (22) is fixedly connected with a limit slide rod (66) at the bottom of the limit groove (65), the outer diameter of the limit slide rod (66) is smaller than the inner diameter of the limit groove (65), the side wall of the limit slide rod (66) is sleeved with a reset spring (67), the outer diameter of the reset spring (67) is larger than the inner diameter of the limit groove (65), the side wall of the rotating shaft (4) is positioned below the side wall of the rotating shaft (22) and is fixedly connected with the limit slide rod (68) along the elastic triangle-shaped rotating shaft (4), and the upper side wall of the elastic sweeping rod (68) is attached to the bottom of the filter screen (22).
5. The environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material according to claim 1, wherein a mounting plate is fixedly connected between the treatment tank (3) and the filter screen (22) on the side wall of the rotating shaft (4), a collision ball (69) is fixedly connected to the bottom of the mounting plate, the collision ball (69) is annularly arranged along the central shaft of the rotating shaft (4), and the collision ball (69) is movably contacted with the touch ball (64).
6. The environmental protection exhaust device for sintering a porous silicon nitride ceramic material according to claim 5, wherein the distance from the contact ball (69) to the filter screen (22) is smaller than the distance from the contact ball (64) to the filter screen (22), and the surfaces of the contact ball (69) and the contact ball (64) are polished smoothly.
7. The environment-friendly exhaust equipment for sintering the silicon nitride porous ceramic material according to claim 1, wherein a knocking pad (221) is fixedly connected to the upper surface of the filter screen (22) at the contact position of the knocking ball (63) and the filter screen (22), and the knocking pad (221) is made of a wear-resistant metal material.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211194728.3A CN115487614B (en) | 2022-09-29 | 2022-09-29 | Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material |
| PCT/CN2023/103775 WO2024066573A1 (en) | 2022-09-29 | 2023-06-29 | Environmentally friendly exhaust apparatus for use in sintering of porous silicon nitride ceramic material |
| NL2035879A NL2035879B1 (en) | 2022-09-29 | 2023-09-26 | Environment-friendly exhaust apparatus for use in sintering of porous silicon nitride ceramic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211194728.3A CN115487614B (en) | 2022-09-29 | 2022-09-29 | Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material |
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| Publication Number | Publication Date |
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| CN115487614A CN115487614A (en) | 2022-12-20 |
| CN115487614B true CN115487614B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211194728.3A Active CN115487614B (en) | 2022-09-29 | 2022-09-29 | Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material |
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| Country | Link |
|---|---|
| CN (1) | CN115487614B (en) |
| NL (1) | NL2035879B1 (en) |
| WO (1) | WO2024066573A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115487614B (en) * | 2022-09-29 | 2023-11-03 | 衡阳凯新特种材料科技有限公司 | Environment-friendly exhaust equipment for sintering silicon nitride porous ceramic material |
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- 2022-09-29 CN CN202211194728.3A patent/CN115487614B/en active Active
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- 2023-09-26 NL NL2035879A patent/NL2035879B1/en active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115487614A (en) | 2022-12-20 |
| NL2035879B1 (en) | 2024-05-08 |
| NL2035879A (en) | 2024-04-08 |
| WO2024066573A1 (en) | 2024-04-04 |
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