CN220090923U - Waste gas recovery processing device for environmental protection - Google Patents

Waste gas recovery processing device for environmental protection Download PDF

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Publication number
CN220090923U
CN220090923U CN202321632890.9U CN202321632890U CN220090923U CN 220090923 U CN220090923 U CN 220090923U CN 202321632890 U CN202321632890 U CN 202321632890U CN 220090923 U CN220090923 U CN 220090923U
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CN
China
Prior art keywords
spray
spray tower
pipe
heat
pretreatment
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CN202321632890.9U
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Chinese (zh)
Inventor
张赛
高文一
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Shenyang Jingwei Heavy Industry Environmental Protection Equipment Co ltd
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Shenyang Jingwei Heavy Industry Environmental Protection Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model discloses an environment-friendly waste gas recovery treatment device which comprises a spray tower and a pretreatment box, wherein the spray tower is communicated with the pretreatment box through a connecting pipe, an air inlet pipe is arranged at one end, far away from the connecting pipe, of the pretreatment box, a filter screen is arranged in the pretreatment box through a connecting component, a waste heat recovery mechanism is arranged on the inner wall of the pretreatment box, a spray mechanism is arranged in the spray tower, a circulating component matched with the spray mechanism is arranged at one end, far away from the pretreatment box, of the spray tower, and a base is fixedly arranged at the bottom of the spray tower. The waste heat recovery device can firstly utilize waste heat of combustion waste gas and the like, utilizes residual heat in the waste gas, can heat hot water or heat conducting oil and the like through the waste heat recovery mechanism, is convenient for absorbing and converting the heat energy, can be used for other working sections, ensures the reutilization of the waste gas, avoids the waste of the heat energy, is more environment-friendly, can also primarily filter the waste gas, and is convenient for subsequent spraying, purifying and absorbing.

Description

Waste gas recovery processing device for environmental protection
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to an environment-friendly waste gas recovery treatment device.
Background
There are various exhaust gas treatment devices, in which a spray tower is a treatment apparatus for treating an environmental-friendly exhaust gas. When the spray tower works, the waste gas containing oil smoke is conveyed into the spray tower body, a liquid medium is sprayed out at a proper position in the tower, alkali liquor is used, sulfuric acid solution is used as the alkali liquor, and the waste gas containing oil and dust can be subjected to circulating water solution spray treatment without acid and alkali.
The retrieved China patent publication No. CN215822651U discloses an exhaust gas treatment and recovery device, which comprises a spray tower and a filtering unit; the filtering unit is arranged in the spray tower; the side wall of the spray tower is fixedly connected with a pump box; a water pump is fixedly connected in the pump box; through setting for the filter unit, aqueous solution sprays from the inside top of spray column, and behind the purification waste gas, impurity doped falls the lateral wall of filter screen and is filtered, and the inside of dripping the fixed plate is finely filtered again for waste water is filtered, reaches recycle's condition.
However, the device has certain defects in actual use, when the burnt waste gas or the shaped waste gas is filtered, the waste gas is always directly introduced into the spray tower for purification, the burnt waste gas contains more heat, the temperature is relatively high, waste heat cannot be utilized by directly introducing and purifying, and the waste of energy is caused.
Disclosure of Invention
The utility model aims to provide an environment-friendly waste gas recovery and treatment device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust gas recovery processing device for environmental protection, includes spray column and pretreatment case, is linked together through the connecting pipe between spray column and the pretreatment case, and the one end that the connecting pipe was kept away from to the pretreatment case is equipped with the intake pipe, and the pretreatment incasement portion is equipped with the filter screen through coupling assembling to the pretreatment incasement wall is equipped with waste heat recovery mechanism, and the spray column is inside to be equipped with spray mechanism, and the one end that the spray column kept away from the pretreatment case is equipped with and sprays mechanism assorted circulating assembly, and spray column bottom end is fixed and is equipped with the base.
Preferably, in order to facilitate the installation or the disassembly of the filter screen, the filter screen is convenient to clean or replace, so as to ensure the filtering effect, the connecting component comprises a cover plate which is arranged at one end of the pretreatment box close to the air inlet pipe, and the cover plate is fixedly connected with the filter screen through a connecting rod.
Preferably, in order to perform heat exchange utilization on waste heat and avoid heat waste in waste gas, the waste heat recovery mechanism comprises a cavity formed in the inner wall of the pretreatment tank, a heat exchange tube is arranged in the cavity, one end of the heat exchange tube is provided with a heat exchange outlet tube, and the other end of the heat exchange tube is provided with a heat exchange inlet tube.
Preferably, in order to improve the heat insulation effect, heat exchange with the outside is reduced, the heat exchange effect is ensured, a heat insulation layer is arranged outside the pretreatment box, and the heat insulation layer is arranged outside the cavity.
Preferably, in order to recycle spray water, the utilization rate of water resources is improved, the circulating assembly comprises a water storage tank arranged on the side wall of the bottom end of the spray tower, the water storage tank is communicated with the spray tower, a circulating pump is arranged at the top end of the water storage tank, the output end of the circulating pump is connected with a spraying mechanism, and a water adding pipe is further arranged at one side of the top end of the water storage tank.
Preferably, in order to simply filter spray water, the spray tower is convenient to spray again, an arc filter screen is arranged on the side wall of the spray tower, which is close to the water storage tank, and the arc filter screen is matched with the water storage tank.
Preferably, in order to ensure the spraying effect, the waste gas can be sufficiently purified and absorbed, the spraying mechanism comprises a liquid outlet pipe connected with the output end of the circulating pump, the liquid outlet pipe penetrates through the spraying tower and extends to the inside to be provided with an annular spraying pipe, the annular spraying pipe is internally provided with a spraying head in an equidistant inclined manner, and the annular spraying pipe is fixedly connected with the inner wall of the spraying tower through a supporting block.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The waste heat of the combustion waste gas and the like can be utilized by the pretreatment box, residual heat in the waste gas can be utilized, hot water or heat conducting oil and the like can be heated by the waste heat recovery mechanism, so that the heat energy can be absorbed and converted conveniently, the waste heat recovery device can be used for other working sections, the waste gas can be recycled, the waste of the heat energy is avoided, the waste of the heat energy is more environment-friendly, and meanwhile, the waste gas can be subjected to preliminary filtration, and the subsequent spraying, purification and absorption are facilitated;
(2) The circulating assembly and the spraying mechanism arranged in the spraying tower can conveniently spray, purify and absorb waste gas, ensure the purifying effect, and can also be used repeatedly after simple filtration of spray water, so that the utilization rate of water resources is improved, the water resources are saved, and the spraying tower is relatively environment-friendly.
Drawings
FIG. 1 is a schematic diagram of an environmental protection exhaust gas recovery treatment device according to the present utility model;
FIG. 2 is a schematic view of the structure of the interior of a shower head in an environmental protection exhaust gas recovery treatment device according to the present utility model;
FIG. 3 is a schematic view of part of the structure of a circulation assembly and a spraying mechanism in an environmental protection exhaust gas recovery treatment device according to the present utility model;
fig. 4 is a schematic structural view of the inside of a pretreatment tank in an environmental protection exhaust gas recovery treatment device according to the present utility model.
In the figure: 1. a spray tower; 2. a pretreatment tank; 3. a base; 4. an air inlet pipe; 5. a water storage tank; 6. a circulation pump; 7. a connecting pipe; 8. arc filter screen; 9. a water adding pipe; 10. a liquid outlet pipe; 11. an annular nozzle; 12. a spray header; 13. a support block; 14. a thermal insulation layer; 15. a heat exchange outlet pipe; 16. a heat exchange tube; 17. heat exchanging inlet pipe; 18. a cover plate; 19. a connecting rod; 20. a filter screen; 21. a cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an exhaust gas recovery processing device for environmental protection, including being used for carrying out recovery processing's spray column 1 to burning waste gas, spray column 1 bottom welding has the base 3 that provides the support, spray column 1 front end is connected with pretreatment case 2 through connecting pipe 7 (can conveniently carry out preliminary filtration to the waste gas of burning, and carry out recycle to waste heat), pretreatment case 2 front end is equipped with coupling assembling, coupling assembling includes the apron 18 (accessible grafting or the mode of buckle connection) with pretreatment case 2 tip block, the apron 18 middle part is run through and is equipped with intake pipe 4 (be linked together with burning waste gas exhaust pipe, be convenient for handle the purification thereof), and the apron 18 is located the inside part of pretreatment case 2 and has filter screen 20 through connecting rod 19 welding, can filter the particulate impurity in the burning waste gas, still conveniently dismantle simultaneously, can clear up or change filter screen 20.
Referring to fig. 1-4, in order to recycle the waste heat in the combustion exhaust gas, the waste is avoided, the pretreatment tank 2 is internally provided with a waste heat recycling mechanism, the waste heat recycling mechanism comprises a cavity 21 formed in the inner wall of the pretreatment tank 2, a heat exchange tube 16 is sleeved in the annular shape in the cavity 21, the bottom end of the heat exchange tube 16 is connected with a heat exchange tube 15, the top end of the heat exchange tube 16 is connected with a heat exchange inlet tube 17 (the internal liquid can be water, and then can be used for heating the water, and can be used as hot water or heating, etc., and residual heat is utilized), and in order to reduce heat exchange with the outside, a heat insulation layer 14 (can be heat insulation cotton, etc., which is a mature technology and is not repeated here) for reducing heat exchange with the outside is adhered outside the pretreatment tank 2.
Referring to fig. 1-4, in order to ensure the treatment effect on the waste gas after the pretreatment, the spray tower 1 is provided with a spray mechanism through a circulation assembly, so that spray water can be recycled, the utilization rate of water resources is improved, the spray mechanism is relatively environment-friendly, the circulation mechanism comprises a water storage tank 5 welded on the side wall of the bottom end of the spray tower 1, and an arc filter screen 8 for filtering sprayed water is arranged at the connecting position, the subsequent circulation spray use can be facilitated, a water adding pipe 9 convenient for water adding is welded at the top end of the water storage tank 5, one side of the water adding pipe 9 is connected with a liquid outlet pipe 10 of the spray mechanism through a circulation pump 6, the top end of the liquid outlet pipe 10 penetrates through the spray tower 1 and extends to the inside and is welded with an annular spray pipe 11, a plurality of groups of supporting blocks 13 for improving stability are welded between the annular spray pipe 11 and the inner wall of the spray tower 1 (the number can be three or four groups and the like, the stability in the internal use is ensured), a plurality of groups of spray heads 12 are obliquely arranged at equal intervals on the inner cambered surface of the annular spray pipe 11 (the number can be eight, nine and the effect is ensured), and the purification device can be directly discharged from the top end after the top end of the spray tower 1 is satisfied according to the actual combustion waste gas purification condition, and the purification condition is not needed to be further purified, and the purification device is further purified and is discharged and is more mature.
Working principle: when the utility model is used, the burnt waste gas is introduced into the pretreatment box 2 through the air inlet pipe 4, at the moment, heat in the burnt waste gas exchanges heat with liquid in the heat exchange pipe 16, and under the cooperation of the heat exchange pipe 15 and the heat exchange inlet pipe 17, the internal liquid flows and can continuously exchange heat with the introduced burnt waste gas to utilize waste heat, and then the waste gas after the waste heat utilization and the filtration is introduced into the spray tower 1 through the connecting pipe 7, the circulating pump 6 works, water in the water storage tank 5 is pumped into the annular spray pipe 11 through the liquid outlet pipe 10, the waste gas is sprayed and purified through the spray header 12, the arc-shaped filter screen 8 can filter spray water again, the utilization rate of water resources is improved, and the water can be added through the water adding pipe 9, so that the spray is convenient to use.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an exhaust gas recovery processing device for environmental protection, includes spray column (1) and pretreatment case (2), its characterized in that: the utility model discloses a novel energy-saving and energy-saving spray tower, including pretreatment case (2), spray tower (1) are kept away from between pretreatment case (2) through connecting pipe (7) are linked together, pretreatment case (2) keep away from the one end of connecting pipe (7) is equipped with intake pipe (4), pretreatment case (2) are inside to be equipped with filter screen (20) through coupling assembling, and pretreatment case (2) inner wall is equipped with waste heat recovery mechanism, spray tower (1) are inside to be equipped with spray mechanism, spray tower (1) keep away from pretreatment case (2) one end be equipped with spray mechanism assorted circulation subassembly, spray tower (1) bottom fixed base (3) that is equipped with.
2. The environmental-friendly exhaust gas recovery processing device according to claim 1, wherein: the connecting assembly comprises a cover plate (18) arranged at one end, close to the air inlet pipe (4), of the pretreatment box (2), and the cover plate (18) is fixedly connected with the filter screen (20) through a connecting rod (19).
3. The environmental-friendly exhaust gas recovery processing device according to claim 2, wherein: the waste heat recovery mechanism comprises a cavity (21) formed in the inner wall of the pretreatment box (2), a heat exchange tube (16) is arranged in the cavity (21), a heat exchange outlet tube (15) is arranged at one end of the heat exchange tube (16), and a heat exchange inlet tube (17) is arranged at the other end of the heat exchange tube (16).
4. The environmental-friendly exhaust gas recovery processing device according to claim 3, wherein: the pretreatment box (2) is externally provided with a heat insulation layer (14), and the heat insulation layer (14) is arranged outside the cavity (21).
5. The environmental protection exhaust gas recovery processing device according to claim 4, wherein: the circulating assembly comprises a water storage tank (5) arranged on the side wall of the bottom end of the spray tower (1), the water storage tank (5) is communicated with the spray tower (1), a circulating pump (6) is arranged at the top end of the water storage tank (5), the output end of the circulating pump (6) is connected with the spray mechanism, and a water adding pipe (9) is further arranged on one side of the top end of the water storage tank (5).
6. The environmental protection exhaust gas recovery processing device according to claim 5, wherein: the spray tower (1) is close to the side wall of the water storage tank (5) and is provided with an arc filter screen (8), and the arc filter screen (8) is matched with the water storage tank (5).
7. The environmental protection exhaust gas recovery processing device according to claim 6, wherein: the spray mechanism comprises a liquid outlet pipe (10) connected with the output end of the circulating pump (6), the liquid outlet pipe (10) penetrates through the spray tower (1) and extends to the inside to be provided with an annular spray pipe (11), spray heads (12) are obliquely arranged in the annular spray pipe (11) at equal intervals, and the annular spray pipe (11) is fixedly connected with the inner wall of the spray tower (1) through a supporting block (13).
CN202321632890.9U 2023-06-26 2023-06-26 Waste gas recovery processing device for environmental protection Active CN220090923U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321632890.9U CN220090923U (en) 2023-06-26 2023-06-26 Waste gas recovery processing device for environmental protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321632890.9U CN220090923U (en) 2023-06-26 2023-06-26 Waste gas recovery processing device for environmental protection

Publications (1)

Publication Number Publication Date
CN220090923U true CN220090923U (en) 2023-11-28

Family

ID=88867324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321632890.9U Active CN220090923U (en) 2023-06-26 2023-06-26 Waste gas recovery processing device for environmental protection

Country Status (1)

Country Link
CN (1) CN220090923U (en)

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