CN110787555A - Waste gas treatment device for chemical plant - Google Patents
Waste gas treatment device for chemical plant Download PDFInfo
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- CN110787555A CN110787555A CN201911134119.7A CN201911134119A CN110787555A CN 110787555 A CN110787555 A CN 110787555A CN 201911134119 A CN201911134119 A CN 201911134119A CN 110787555 A CN110787555 A CN 110787555A
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- 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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a waste gas treatment device for a chemical plant, and relates to the technical field of waste gas treatment; in order to solve the problem of waste heat recovery; the waste heat recovery device comprises a supporting frame, the bottom inner wall of the supporting frame is provided with a waste heat recovery box and a purification tank, the bottom inner wall of the waste heat recovery box is provided with a heat exchanger, one side inner wall of the waste heat recovery box is provided with a heat exchange cavity, the outer walls of the two sides of the heat exchange cavity are both fixed with heat collection blocks, one side inner wall of each heat collection block and the input end of the heat exchanger are provided with a heat conduction pipe, the outer wall of the top of the supporting frame is fixed with a filter box, and the inner wall of the bottom of the filter box and the inner wall of the. The waste heat recovery box, the heat exchanger, the heat exchange cavity and the heat collection block are arranged, the heat exchange cavity can absorb heat in waste gas, the heat collection block collects the heat, the collected heat is converted and utilized by the heat exchanger through the heat conduction pipe, and energy is reasonably utilized, so that the aim of saving energy is fulfilled.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for a chemical plant.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially in chemical plants, the discharged waste gas has large odor, seriously pollutes the environment and affects the human health. Chemical waste gas refers to toxic and harmful gas discharged from chemical plants in chemical production.
Through the retrieval, chinese patent application number is 201810512331.1's patent, discloses a chemical plant exhaust treatment device, including the horizontal support board, the horizontal support board top is fixed with the exhaust-gas treatment tower, the exhaust-gas treatment tower is bottom open-ended cavity tube-shape, the gas vent has been seted up on the top of exhaust-gas treatment tower, exhaust-gas treatment tower inside is fixed with first filter plate, the exhaust-gas treatment tower is fixed with the second filter plate in the top of first filter plate. One of the above-mentioned patent chemical plant exhaust gas treatment devices has the following disadvantages: chemical waste gas is directly treated without preheating and recycling, the temperature of the chemical waste gas is higher, and energy is not reasonably utilized.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an exhaust gas treatment device for a chemical plant.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a waste gas treatment device for chemical plant, includes the support frame, the bottom inner wall of support frame is provided with waste heat recovery case and purification tank, and waste heat recovery case's bottom inner wall is provided with the heat exchanger, one side inner wall of waste heat recovery case is provided with the heat transfer chamber, and the both sides outer wall in heat transfer chamber all is fixed with the thermal-arrest piece, and one side inner wall of thermal-arrest piece and the input of heat exchanger are provided with through a heat pipe, the top outer wall of support frame is fixed with the rose box, and the bottom inner wall of rose box and the top inner wall of thermal-arrest piece are provided with same fourth pipe, one side inner wall of purification tank and one side inner wall in heat transfer chamber are provided with same fifth pipe, and the bottom inner wall.
As a further scheme of the invention: the filter box comprises a filter box body, and is characterized in that an air inlet pipe is arranged on the inner wall of one side of the filter box body, a hydraulic rod is fixed on the outer wall of one side of the filter box body, a push plate is fixed at the other end of the hydraulic rod, and a side door is connected to the outer wall of one side of the filter box body through a hinge.
As a further aspect of the invention: the top inner wall and the bottom inner wall of the filter box are both fixed with sliding chutes, the inner wall of each sliding chute is connected with a third filter plate in the east China, the top outer wall of each third filter plate is fixed with a connecting plate, and the top outer wall of each connecting plate is fixed with a handle.
As a further scheme of the invention: mixing mechanism is including the mixing box, and one side outer wall of support frame is fixed with the motor case, and one side inner wall of motor case is fixed with the motor, and the output shaft of motor has the bull stick through the coupling joint, and the outer wall of bull stick is fixed with the puddler of equidistance distribution.
As a still further scheme of the invention: the inner wall both sides of purifying tank all are fixed with the spoiler of equidistance distribution, and the spoiler is the wave structure.
As a preferable scheme of the invention: the inner wall of purifying tank is fixed with the draw-in groove, and the inner wall joint of draw-in groove has the fixture block, and the top outer wall of fixture block is provided with first filter plate, and the inner wall of purifying tank is fixed with second filter plate and active carbon adsorption layer.
As a further scheme of the invention: the inner wall of purifying tank is provided with the spray tube, and the bottom inner wall of spray tube is provided with the atomizer that the equidistance distributes.
As a still further scheme of the invention: the outer wall of one side of purifying tank is provided with the fan, and the input of fan and the top inner wall of purifying tank are provided with same outlet duct, and the output of fan is provided with first pipe.
As a further aspect of the invention: the other end of the first conduit is respectively connected with a second conduit and a third conduit through a three-way pipe, and the other end of the third conduit is arranged on the inner wall of one side of the purification tank.
As a further scheme of the invention: still including setting up in the level sensor of mixing tank bottom inner wall, the top outer wall of support frame is provided with bee calling organ, and bee calling organ's input is connected with the treater through the signal line, and level sensor's signal output part and the signal input list of treater are connected through the signal line.
The invention has the beneficial effects that:
1. through being provided with waste heat recovery case, heat exchanger, heat transfer chamber and heat collection piece, the heat transfer chamber can absorb the heat in the waste gas, and the heat collection piece is collected the heat, and the heat after the collection is utilized by the heat exchanger conversion through the heat pipe, thereby the energy has rationally been utilized and energy-conserving purpose has been reached.
2. Through being provided with rose box, push pedal, hydraulic stem, third filter plate, spout and connecting plate, at first carry out simple filtration to waste gas through the third filter plate, can effectively prevent that the dust that carries from blockking up the pipe in the waste gas, connect hydraulic system with the hydraulic stem in addition, adjust the length of hydraulic stem and can release the rose box with the dust from the side door, the effectual practicality that has improved the device.
3. Through being provided with mixing box, spoiler, first filter plate, second filter plate, atomizer and active carbon adsorption layer, through at first carrying out the intensive mixing with waste gas and alkali lye, carry out the choked flow again, filter and alkali lye sprays, adsorb at last, the treatment quality of improvement waste gas that can be great.
4. Through being provided with level sensor, treater and bee calling organ, the inside liquid level value of level sensor detectable mixing box, level sensor gives the treater with signal transmission, and the treater acts on bee calling organ, can remind the timely flowing back of staff.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas treatment apparatus for a chemical plant according to embodiment 1 of the present invention;
fig. 2 is a schematic plan view of a chemical plant exhaust gas treatment apparatus according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a heat exchange chamber of an exhaust gas treatment device for a chemical plant according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a third filter plate of an exhaust gas treatment device for a chemical plant according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a liquid level sensor of an exhaust gas treatment device for a chemical plant according to embodiment 2 of the present invention.
In the figure: 1 support frame, 2 waste heat recovery boxes, 3 side doors, 4 air inlet pipes, 5 filter boxes, 6 handles, 7 spoilers, 8 first filter plates, 9 second filter plates, 10 atomizing nozzles, 11 spray pipes, 12 air outlet pipes, 13 fans, 14 first guide pipes, 15 second guide pipes, 16 third guide pipes, 17 motors, 18 motor boxes, 19 purification tanks, 20 fourth guide pipes, 21 push plates, 22 heat exchangers, 23 clamping grooves, 24 clamping blocks, 25 activated carbon adsorption layers, 26 mixing boxes, 27 rotating rods, 28 stirring rods, 29 fifth guide pipes, 30 heat conduction pipes, 31 heat exchange cavities, 32 heat collection blocks, 33 sliding grooves, 34 third filter plates, 35 connecting plates, 36 hydraulic rods, 37 liquid level sensors and 38 buzzers.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a waste gas treatment device for a chemical plant is shown in figures 1-4 and comprises a support frame 1, a waste heat recovery tank 2 and a purification tank 19 are fixed on the inner wall of the bottom of the support frame 1 through screws, and the bottom inner wall of the waste heat recovery tank 2 is fixed with a heat exchanger 22 by screws, the inner wall of one side of the waste heat recovery tank 2 is fixed with a heat exchange cavity 31 by screws, the outer walls of both sides of the heat exchange cavity 31 are welded with heat collecting blocks 32, the inner wall of one side of the heat collecting blocks 32 and the input end of the heat exchanger 22 are connected with a heat conducting pipe 30 by flanges, the outer wall of the top of the support frame 1 is welded with a filter tank 5, and the bottom inner wall of the filter box 5 and the top inner wall of the heat collection block 32 are connected with the same fourth conduit 20 through flanges, the inner wall of one side of the purification tank 19 and the inner wall of one side of the heat exchange cavity 31 are connected with the same fifth conduit 29 through flanges, and the bottom inner wall of the purification tank 19 is fixed with a mixing mechanism through screws.
In order to solve the problem of preventing dust carried in the waste gas from blocking a guide pipe; the inner wall of one side of the filter box 5 is connected with an air inlet pipe 4 through a flange, the outer wall of one side of the filter box 5 is welded with a hydraulic rod 36, the other end of the hydraulic rod 36 is welded with a push plate 21, the outer wall of one side of the filter box 5 is connected with a side door 3 through a hinge, the inner walls of the top and the bottom of the filter box 5 are both welded with chutes 33, and the east China on the inner wall of the chute 33 is connected with a third filter plate 34, the outer wall of the top of the third filter plate 34 is welded with a connecting plate 35, the outer wall of the top of the connecting plate 35 is welded with a handle 6, through the arrangement of the filter box 5, the push plate 21, the hydraulic rod 36, the third filter plate 34, the chute 32 and the connecting plate 35, the waste gas is firstly simply filtered through the third filter plate 34, the dust carried in the waste gas can be effectively prevented from blocking a guide pipe, in addition, the hydraulic rod 36 is connected with a hydraulic system, and dust can be pushed out of the filter box 5 from the side door by adjusting the length of the hydraulic rod 36.
In order to solve the thorough problem of exhaust-gas purification, mixing mechanism is including mixing box 26, the welding of one side outer wall of support frame 1 has motor case 18, the welding of one side inner wall of motor case 18 has motor 17, motor 17's output shaft has bull stick 27 through the coupling joint, the welding of bull stick 27's outer wall has the puddler 28 of equidistance distribution, the spoiler 7 of equidistance distribution is all welded to the inner wall both sides of purifying tank 19, and spoiler 7 is the wave structure, through setting up motor 17, bull stick 27 and puddler 28, reach the effect of waste gas and alkali lye intensive mixing.
In order to solve the problem of color carried in the waste gas; the inner wall welding of purifying tank 19 has draw-in groove 23, and the inner wall joint of draw-in groove 23 has fixture block 24, the top outer wall of fixture block 24 has first filter plate 8 through the fix with screw, the inner wall welding of purifying tank 19 has second filter plate 9 and active carbon adsorption layer 25, the inner wall of purifying tank 19 has spray tube 11 through the fix with screw, and the bottom inner wall of spray tube 11 has the atomizer 10 of equidistance distribution through the fix with screw, through being provided with active carbon adsorption layer 25, reach waste gas adsorption's effect.
In order to solve the problem of exhaust gas discharge; the outer wall of one side of purifying tank 19 is fixed with fan 13 through the screw, and there is same outlet duct 12 at the input of fan 13 and the top inner wall of purifying tank 19 through flange joint, and there is first pipe 14 at the output of fan 13 through flange joint, and the other end of first pipe 14 is connected with second pipe 15 and third pipe 16 respectively through the three-way pipe, and the other end of third pipe 16 passes through flange joint in the inner wall of one side of purifying tank 19.
In use, the device is connected to a power supply, the exhaust gas is guided into the filter box 5 from the air inlet pipe 4, the exhaust gas is simply filtered by the third filter plate 34, the exhaust gas enters the heat exchange cavity 31 through the fourth conduit 20, the heat exchanging chamber 31 can absorb heat in the exhaust gas, the heat collecting block 32 collects the heat, the collected heat is converted and utilized by the heat exchanger 22 through the heat conducting pipe 30, the exhaust gas enters the mixing box 26 through the fifth guiding pipe 29, open motor 17, puddler 28 begins the rotation, with waste gas and alkali lye misce bene, spoiler 7 reduces the speed that waste gas flows, and waste gas filters through first filter plate 8 and second filter plate 9, opens atomizer 10 and sprays waste gas, and waste gas passes through second pipe 15 at last and discharges, connects hydraulic system with hydraulic stem 36, adjusts the length of hydraulic stem 36, makes push pedal 21 discharge rose box 5 with impurity from side door 3.
Example 2:
a waste gas treatment device for chemical plants, as shown in figure 5, for solving the problem of timely discharging alkali liquor; the present embodiment is modified from embodiment 1 as follows: still include the level sensor 37 through the fix with screw in mixing box 26 bottom inner wall, the top outer wall of support frame 1 is fixed with bee calling organ 38 through the fix with screw, and bee calling organ 38's input is connected with the treater through the signal line, level sensor 37's signal output part and the signal input list of treater are connected through the signal line, the inside liquid level value of level sensor 37 detectable mixing box 26 in addition, level sensor 37 gives the treater with the signal transmission, the treater acts on bee calling organ 38, can remind the staff in time to expel liquid.
In the embodiment, when the device is used, the device is connected to a power supply, waste gas is introduced into the filter box 5 from the air inlet pipe 4, firstly, the waste gas is simply filtered through the third filter plate 34, the waste gas enters the heat exchange cavity 31 through the fourth conduit 20, the heat exchange cavity 31 can absorb heat in the waste gas, the heat collection block 32 collects the heat, the collected heat is converted and utilized by the heat exchanger 22 through the heat conduction pipe 30, the waste gas enters the mixing box 26 through the fifth conduit 29, the motor 17 is turned on, the stirring rod 28 starts to rotate, the waste gas and alkali liquor are uniformly mixed, the flow baffle 7 reduces the flowing speed of the waste gas, the waste gas is filtered through the first filter plate 8 and the second filter plate 9, the atomizing nozzle 10 is opened to spray the waste gas, finally, the waste gas is discharged through the second conduit 15, the hydraulic rod 36 is connected to a hydraulic system, the length of the hydraulic rod 36 is adjusted, so that the push plate 21 discharges impurities, in addition, the liquid level sensor 37 can detect the liquid level value inside the mixing box 26, the liquid level sensor 37 transmits a signal to the processor, and the processor acts on the buzzer 38 to remind a worker of draining liquid in time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The waste gas treatment device for the chemical plant comprises a support frame (1) and is characterized in that a waste heat recovery box (2) and a purification tank (19) are arranged on the inner wall of the bottom of the support frame (1), a heat exchanger (22) is arranged on the inner wall of the bottom of the waste heat recovery box (2), a heat exchange cavity (31) is arranged on the inner wall of one side of the waste heat recovery box (2), heat collection blocks (32) are fixed on the outer walls of the two sides of the heat exchange cavity (31), a heat conduction pipe (30) is arranged on the inner wall of one side of each heat collection block (32) and the input end of the heat exchanger (22), a filter box (5) is fixed on the outer wall of the top of the support frame (1), the inner wall of the bottom of the filter box (5) and the inner wall of the top of each heat collection block (32) are provided with the same fourth guide pipe (20), the inner wall of one side of the, and a mixing mechanism is arranged on the inner wall of the bottom of the purification tank (19).
2. The waste gas treatment device for the chemical plant according to claim 1, wherein an air inlet pipe (4) is arranged on the inner wall of one side of the filter box (5), a hydraulic rod (36) is fixed on the outer wall of one side of the filter box (5), a push plate (21) is fixed on the other end of the hydraulic rod (36), and a side door (3) is connected on the outer wall of one side of the filter box (5) through a hinge.
3. The exhaust gas treatment device for the chemical plant according to claim 2, wherein the top inner wall and the bottom inner wall of the filter box (5) are both fixed with chutes (33), the inner wall of each chute (33) is connected with a third filter plate (34) in a east China manner, the top outer wall of each third filter plate (34) is fixed with a connecting plate (35), and the top outer wall of each connecting plate (35) is fixed with a handle (6).
4. The exhaust gas treatment device for the chemical plant according to claim 1, wherein the mixing mechanism comprises a mixing box (26), a motor box (18) is fixed on the outer wall of one side of the support frame (1), a motor (17) is fixed on the inner wall of one side of the motor box (18), an output shaft of the motor (17) is connected with a rotating rod (27) through a coupler, and stirring rods (28) distributed at equal intervals are fixed on the outer wall of the rotating rod (27).
5. The exhaust gas treatment device according to claim 4, wherein the baffles (7) are fixed on both sides of the inner wall of the purification tank (19) and are distributed at equal intervals, and the baffles (7) are of a wave-shaped structure.
6. The waste gas treatment device for the chemical plant according to claim 5, wherein a clamping groove (23) is fixed on the inner wall of the purification tank (19), a clamping block (24) is clamped on the inner wall of the clamping groove (23), a first filter plate (8) is arranged on the outer wall of the top of the clamping block (24), and a second filter plate (9) and an activated carbon adsorption layer (25) are fixed on the inner wall of the purification tank (19).
7. The exhaust gas treatment device for chemical plants according to claim 6, characterized in that the inner wall of the purification tank (19) is provided with spray pipes (11), and the inner wall of the bottom of the spray pipes (11) is provided with the spray nozzles (10) which are distributed equidistantly.
8. The waste gas treatment device for the chemical plant according to claim 7, characterized in that the outer wall of one side of the purification tank (19) is provided with a fan (13), the input end of the fan (13) and the inner wall of the top of the purification tank (19) are provided with the same air outlet pipe (12), and the output end of the fan (13) is provided with the first guide pipe (14).
9. The exhaust gas treatment device for chemical plants according to claim 8, wherein the other end of the first conduit (14) is connected with a second conduit (15) and a third conduit (16) through a tee pipe, and the other end of the third conduit (16) is disposed on one side of the inner wall of the purification tank (19).
10. The exhaust gas treatment device for the chemical plant according to claim 4, further comprising a liquid level sensor (37) disposed on the inner wall of the bottom of the mixing box (26), wherein a buzzer (38) is disposed on the outer wall of the top of the support frame (1), the input end of the buzzer (38) is connected to the processor through a signal line, and the signal output end of the liquid level sensor (37) is connected to the signal input end of the processor through a signal line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911134119.7A CN110787555A (en) | 2019-11-19 | 2019-11-19 | Waste gas treatment device for chemical plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911134119.7A CN110787555A (en) | 2019-11-19 | 2019-11-19 | Waste gas treatment device for chemical plant |
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| CN110787555A true CN110787555A (en) | 2020-02-14 |
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| CN201911134119.7A Pending CN110787555A (en) | 2019-11-19 | 2019-11-19 | Waste gas treatment device for chemical plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112303341A (en) * | 2020-11-10 | 2021-02-02 | 余友明 | Coaxial butt-joint equipment of hydraulic engineering pipeline |
| CN112642232A (en) * | 2020-12-21 | 2021-04-13 | 安徽皖龙环保科技有限公司 | Ash storage barrel of pulse bag type dust collector |
| CN117983043A (en) * | 2024-04-07 | 2024-05-07 | 孙腾蛟 | Air purifying system for preventing and treating environmental pollution |
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| CN209630819U (en) * | 2019-01-21 | 2019-11-15 | 湛江中冠石油化工有限公司 | A kind of high efficiency furnace gas disposal spray column |
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| CN107687647A (en) * | 2017-08-18 | 2018-02-13 | 博瑞特热能设备股份有限公司 | A kind of horizontal burning oil fuel gas steam boiler |
| CN207871764U (en) * | 2018-01-19 | 2018-09-18 | 中山市瑞龙环保工程服务有限公司 | A kind of equipment for treating industrial waste gas of easy access |
| CN108362154A (en) * | 2018-02-05 | 2018-08-03 | 湖南湘讯企业管理有限公司 | A kind of environment-friendly type equipment that abundant waste heat recovery can be carried out to flue gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112303341A (en) * | 2020-11-10 | 2021-02-02 | 余友明 | Coaxial butt-joint equipment of hydraulic engineering pipeline |
| CN112642232A (en) * | 2020-12-21 | 2021-04-13 | 安徽皖龙环保科技有限公司 | Ash storage barrel of pulse bag type dust collector |
| CN117983043A (en) * | 2024-04-07 | 2024-05-07 | 孙腾蛟 | Air purifying system for preventing and treating environmental pollution |
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Application publication date: 20200214 |
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