CN113134294A - Spray tower for treating exhaust odor of paper machine steam hood - Google Patents
Spray tower for treating exhaust odor of paper machine steam hood Download PDFInfo
- Publication number
- CN113134294A CN113134294A CN202010049132.9A CN202010049132A CN113134294A CN 113134294 A CN113134294 A CN 113134294A CN 202010049132 A CN202010049132 A CN 202010049132A CN 113134294 A CN113134294 A CN 113134294A
- Authority
- CN
- China
- Prior art keywords
- spray
- tower body
- waste gas
- paper machine
- filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
- B01D53/75—Multi-step processes
Abstract
The invention belongs to the field of papermaking waste gas treatment, and discloses a spray tower for treating exhaust odor of a steam hood of a paper machine. The waste gas enters the bottom of the tower body through the waste gas inlet and is decelerated, then is guided out by the lower first cyclone plate and is subjected to a first gas-liquid phase reaction with alkali liquor on the lower packing component of the lower spraying component, so that first washing is realized; then the alkali liquor enters a second cyclone plate to perform gas-liquid reaction with alkali liquor drops on a filling component of the upper spraying component in the middle part, so that secondary washing is realized; the invention utilizes the alkali spray tower to treat the waste gas, and the waste gas is washed to chemically react with the alkali liquor, so that the waste gas is converted into gas which does not pollute the air and then is discharged into the atmosphere.
Description
Technical Field
The invention relates to the field of papermaking waste gas treatment, in particular to a spray tower for treating peculiar smell of exhaust air of a steam hood of a paper machine.
Background
Paper making is an important invention for ancient Chinese workers. The method is divided into a mechanism mode and a manual mode. The mechanism is continuously carried out on a paper machine, pulp suitable for paper quality is diluted to certain concentration by water, and is primarily dewatered at a wire part of the paper machine to form a wet paper sheet, and then the wet paper sheet is pressed for dewatering and then dried to form paper
In the drying process of papermaking, a large amount of high-temperature waste gas of water vapor is generated, and because the waste gas contains ammonia gas, hydrogen sulfide and other components, the waste gas is discharged outdoors to generate a small amount of stink smell, thereby influencing the lives of surrounding residents.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a spray tower for treating the peculiar smell of exhaust air of a steam cover of a paper machine, which solves the problem that the lives of surrounding residents are influenced because a small amount of stink smell is generated due to the fact that a large amount of high-temperature waste gas of water vapor is generated in the drying process of papermaking and the waste gas contains ammonia gas, hydrogen sulfide and other components and is discharged to the outside.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A spray tower for treating exhaust odor of a steam hood of a paper machine comprises a tower body, wherein a waste gas inlet is formed in the lower portion of the right side of the tower body, three filler assemblies are arranged in the tower body from top to bottom, two spray assemblies are arranged between the three filler assemblies, the bottoms of the middle filler assembly and the lower filler assembly are respectively provided with a cyclone plate, the outer side surfaces of the two cyclone plates are uniformly and fixedly connected with the inner side wall of the tower body, the top of the upper filler assembly is provided with a foam suppressor, the bottom of the tower body is communicated with a circulating water backflow port, and the top of the tower body is provided with a discharge port;
one side of tower body is provided with the lye bucket, the left side of lye bucket is provided with the circulating pump, the water inlet and the lye bucket of circulating pump are linked together, the circulating pump is linked together through connecting pipe and two spray assembly.
Preferably, it is three the filler subassembly all includes the stainless steel net, and is three the inside wall fixed connection of the even tower body of lateral surface of stainless steel net, it is three the inside of stainless steel net all is filled with the filler, the diameter of filler is 50mm, and is three the thickness of stainless steel net is from last to increasing gradually down, and its thickness is 100mm, 400mm, 600mm respectively.
Preferably, two the spray assembly all includes the shower, two the right-hand member of shower all runs through and extends to the right side and the connecting pipe of tower body and be linked together, two the bottom of shower all communicates the shower that has the equidistance to arrange.
Preferably, the two rotational flow plates comprise rotational flow rings, the inner sides of the rotational flow rings are fixedly connected with sector plates which are uniformly distributed, the sector plates are inclined at an angle, and the angles of the two rotational flow plates are opposite.
Preferably, the spray header is spiral, and the spray header above and the spray header below are arranged in a staggered manner.
Preferably, the front face of the tower body corresponds to the detection hole formed in the discharge hole.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the waste gas enters the bottom of the tower body through the waste gas inlet and is decelerated, then is guided out by the lower first cyclone plate and is subjected to a first gas-liquid phase reaction with alkali liquor on the lower packing component of the lower spraying component, so that first washing is realized; then the alkali liquor enters a second cyclone plate to perform gas-liquid reaction with alkali liquor drops on a filling component of the upper spraying component in the middle part, so that secondary washing is realized; the invention utilizes the alkali spray tower to treat the waste gas, and the waste gas is washed to chemically react with the alkali liquor, so that the waste gas is converted into gas which does not pollute the air and then is discharged into the atmosphere.
(2) Through mutually supporting of three-layer stainless steel net and filler, increase the area of contact of waste gas and alkali liquid drop, improve waste gas washing effect, the shower head dislocation set of shower head and the below of top forms intensive spray mist zone for alkali lye and waste gas contact are more abundant.
(3) Two layers of rotational flow plates with opposite angles force the waste gas to form a zigzag path in the tower to operate, so that the reaction time with alkali liquid drops is increased, the washing effect is enhanced, and the angle of 30 degrees of the flow guide of the rotational flow plates is formed by uniformly arranging a plurality of fan-shaped plates so as to cut and guide the waste gas.
(4) The front of tower body corresponds the inspection hole that the discharge gate set up, makes things convenient for the staff to detect the waste gas after handling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the spray assembly of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate:
1. a tower body; 2. an exhaust gas inlet; 3. a packing assembly; 31. a stainless steel mesh; 32. a filler; 4. a spray assembly; 41. a shower pipe; 42. a shower head; 5. a swirl plate; 51. a swirl ring; 52. a sector plate; 6. a foam eliminator; 7. a circulating water return port; 8. a discharge port; 9. an alkaline liquid barrel; 10. a circulation pump; 11. a connecting pipe; 12. and (6) detecting holes.
Detailed Description
The technical solution in 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a spray tower for treating the exhaust odor of a steam hood of a paper machine comprises a tower body 1, a waste gas inlet 2 is arranged below the right side of the tower body 1, three filler assemblies 3 are arranged inside the tower body 1 from top to bottom, two spray assemblies 4 are arranged between the three filler assemblies 3, the bottoms of the middle filler assembly 3 and the lower filler assembly 3 are respectively provided with a rotational flow plate 5, the outer side surfaces of the two rotational flow plates 5 are uniformly and fixedly connected with the inner side wall of the tower body 1, the top of the upper filler assembly 3 is provided with a foam suppressor 6, the bottom of the tower body 1 is communicated with a circulating water return port 7, the top of the tower body 1 is provided with a discharge port 8, one side of the tower body 1 is provided with an alkaline liquid barrel 9, the left side of the alkaline liquid barrel 9 is provided with a circulating pump 10, the water inlet of the circulating pump 10 is communicated with the alkaline liquid barrel 9, and the circulating pump 10 is communicated with the two spray assemblies 4 through a connecting pipe 11, waste gas is sent into a spray tower by a steam hood exhaust fan at the drying part of the paper machine, the waste gas enters the bottom of the tower body 1 through a waste gas inlet 2 and is decelerated, and the waste gas is led out by a first lower cyclone plate 5 and is subjected to a first gas-liquid phase reaction with alkali liquor on a packing component 3 below a spraying component 4 to realize first washing; then the alkali liquor enters a second cyclone plate 5 to perform gas-liquid reaction with alkali liquor drops on a filling component 3 in the middle of a spraying component 4 above the second cyclone plate, so that secondary washing is realized; so as to achieve the effect of chemical neutralization reaction, and finally, foams carried by the waste gas and the alkali liquor are removed by the top layer packing component 3 and the demister 6, so that the waste gas is converted into gas which does not pollute the air and then is discharged into the atmosphere.
Further, three filler subassembly 3 all includes stainless steel net 31, the even tower body 1's of the lateral surface inside wall fixed connection of three stainless steel net 31, the inside of three stainless steel net 31 all is filled with packs 32, the diameter of packing 32 is 50mm, three stainless steel net 31's thickness is from last crescent to down, and its thickness is 100mm respectively, 400mm, 600mm, through mutually supporting of three-layer stainless steel net and packs 32, increase the area of contact of waste gas and alkali liquid drop, improve the exhaust gas washing effect.
Further, the two spray assemblies 4 each include a spray pipe 41, the right ends of the two spray pipes 41 penetrate through and extend to the right side of the tower body 1 to be communicated with the connecting pipe 11, the bottoms of the two spray pipes 41 are communicated with spray heads 42 arranged at equal intervals, and the spray pressure of the spray heads 42 is 3 kg/cm.
Further, the two cyclone plates 5 comprise cyclone rings 51, the inner sides of the cyclone rings 51 are fixedly connected with fan-shaped plates 52 which are uniformly distributed, the fan-shaped plates 52 are inclined at 30 degrees, the angles of the two cyclone plates 5 are opposite, and the two layers of cyclone plates 5 with opposite angles force the waste gas to form a zigzag path in the tower to operate, so that the reaction time with alkali liquid drops is prolonged, the washing effect is enhanced, and the angle 30 degrees of the flow guide of the cyclone plates 5 is formed by uniformly arranging the fan-shaped plates 52 so as to cut and guide the waste gas.
Further, the distance between the spiral spray header 42 and the stainless steel net 31 is 1 meter, and the spray header 42 above and the spray header 42 below are arranged in a staggered manner to form an intensive spray mist area, so that the alkali liquor is more fully contacted with the waste gas.
Further, the front of tower body 1 corresponds inspection hole 12 that discharge gate 8 set up, makes things convenient for the staff to detect the waste gas after handling.
The working principle is as follows: waste gas enters the bottom of the tower body 1 through the waste gas inlet 2 to be decelerated, is guided out by a first lower cyclone plate 5 to perform a first gas-liquid phase reaction with alkali liquor on a packing component 3 below a spraying component 4 below the spraying component, so that first washing is realized; then the alkali liquor enters a second cyclone plate 5 to perform gas-liquid reaction with alkali liquor drops on a filling component 3 in the middle of a spraying component 4 above the second cyclone plate, so that secondary washing is realized; so as to achieve the effect of chemical neutralization reaction, and finally, foams carried by the waste gas and the alkali liquor are removed by the top layer packing component 3 and the demister 6, so that the waste gas is converted into gas which does not pollute the air and then is discharged into the atmosphere.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a handle spray column of paper machine vapour cover peculiar smell of airing exhaust, includes tower body (1), its characterized in that: a waste gas inlet (2) is formed in the lower portion of the right side of the tower body (1), three filler assemblies (3) are arranged in the tower body (1) from top to bottom, two spraying assemblies (4) are arranged between the three filler assemblies (3), the bottom of each of the middle filler assembly (3) and the lower filler assembly (3) is provided with a cyclone plate (5), the outer side surfaces of the two cyclone plates (5) are uniformly and fixedly connected with the inner side wall of the tower body (1), the top of the upper filler assembly (3) is provided with a foam suppressor (6), the bottom of the tower body (1) is communicated with a circulating water backflow port (7), and the top of the tower body (1) is provided with a discharge port (8);
one side of tower body (1) is provided with lye bucket (9), the left side of lye bucket (9) is provided with circulating pump (10), the water inlet and lye bucket (9) of circulating pump (10) are linked together, circulating pump (10) are linked together through connecting pipe (11) and two spray assembly (4).
2. The spray tower for treating the exhaust odor of the steam hood of the paper machine as claimed in claim 1, is characterized in that: it is three filler subassembly (3) all include stainless steel net (31), and is three the inside wall fixed connection of the even tower body of lateral surface (1) of stainless steel net (31) is three the inside of stainless steel net (31) all is filled with filler (32), the diameter of filler (32) is 50mm, and is three the thickness of stainless steel net (31) is from last to increasing gradually down, and its thickness is 100mm, 400mm, 600mm respectively.
3. The spray tower for treating the exhaust odor of the steam hood of the paper machine as claimed in claim 1, is characterized in that: two spray assembly (4) all include shower (41), two the right-hand member of shower (41) all runs through and extends to the right side of tower body (1) and is linked together with connecting pipe (11), two the bottom of shower (41) all communicates shower (42) that the equidistance was arranged.
4. The spray tower for treating the exhaust odor of the steam hood of the paper machine as claimed in claim 1, is characterized in that: the two cyclone plates (5) comprise cyclone rings (51), the inner sides of the cyclone rings (51) are fixedly connected with uniformly distributed sector plates (52), the sector plates (52) are inclined at 30 degrees, and the angles of the two cyclone plates (5) are opposite.
5. The spray tower for treating the exhaust odor of the steam hood of the paper machine as claimed in claim 2, is characterized in that: the spray headers (42) are spiral, and the upper spray headers (42) and the lower spray headers (42) are arranged in a staggered mode.
6. The spray tower for treating the exhaust odor of the steam hood of the paper machine as claimed in claim 1, is characterized in that: the front of the tower body (1) corresponds to the detection hole (12) arranged at the discharge hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049132.9A CN113134294A (en) | 2020-01-16 | 2020-01-16 | Spray tower for treating exhaust odor of paper machine steam hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049132.9A CN113134294A (en) | 2020-01-16 | 2020-01-16 | Spray tower for treating exhaust odor of paper machine steam hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113134294A true CN113134294A (en) | 2021-07-20 |
Family
ID=76808207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010049132.9A Pending CN113134294A (en) | 2020-01-16 | 2020-01-16 | Spray tower for treating exhaust odor of paper machine steam hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113134294A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206566742U (en) * | 2017-03-02 | 2017-10-20 | 佛山市正州环保通风设备有限公司 | A kind of eddy flow tower |
| CN206881497U (en) * | 2016-06-30 | 2018-01-16 | 北京中大立信环境技术有限责任公司 | A kind of high tower biology emission-control equipment |
| CN208356496U (en) * | 2018-05-12 | 2019-01-11 | 宁波复卿环保科技有限公司 | A kind of spray column Double layer spiral flow plate |
| CN110449016A (en) * | 2019-07-23 | 2019-11-15 | 盐城市自强化纤机械有限公司 | A kind of environment protection type corrosion resistant macromolecule spray column |
| CN209901023U (en) * | 2019-04-11 | 2020-01-07 | 澧县腾飞化工有限公司 | Desulfurization dust removal spray set |
-
2020
- 2020-01-16 CN CN202010049132.9A patent/CN113134294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206881497U (en) * | 2016-06-30 | 2018-01-16 | 北京中大立信环境技术有限责任公司 | A kind of high tower biology emission-control equipment |
| CN206566742U (en) * | 2017-03-02 | 2017-10-20 | 佛山市正州环保通风设备有限公司 | A kind of eddy flow tower |
| CN208356496U (en) * | 2018-05-12 | 2019-01-11 | 宁波复卿环保科技有限公司 | A kind of spray column Double layer spiral flow plate |
| CN209901023U (en) * | 2019-04-11 | 2020-01-07 | 澧县腾飞化工有限公司 | Desulfurization dust removal spray set |
| CN110449016A (en) * | 2019-07-23 | 2019-11-15 | 盐城市自强化纤机械有限公司 | A kind of environment protection type corrosion resistant macromolecule spray column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3532595A (en) | Method for producing high-grade hot water by means of combustion gases from sulphite or sulphate cellulose processes and apparatus for carrying out the method | |
| CN206082112U (en) | Reverse -flow scrubbing tower | |
| CN110102163A (en) | A kind of desulfation dust-extraction device and desulfurization and dust-removal method of industrial waste gas | |
| CN205288074U (en) | Multi -functional tower of absorb remnant air | |
| CN113134294A (en) | Spray tower for treating exhaust odor of paper machine steam hood | |
| CN104707404A (en) | Dust removing and odor removing system and technology for starch section tail gas | |
| CN108452658A (en) | A kind of high vertical PP soda acids exhaust gas washing tower of gas flow rate | |
| CN208852687U (en) | A kind of sulfur dioxide gas absorption plant | |
| CN201105201Y (en) | Kraft pulping odor treatment device | |
| CN111514733B (en) | Comprehensive purification treatment tower for waste gas and waste water | |
| CN210229574U (en) | Clean utilization system of waste heat in corn starch production | |
| CN213995418U (en) | Waste gas rotational flow plate tower | |
| CN108126495A (en) | A kind of hydrogen sulfide absorption tower | |
| CN212881833U (en) | Alkali circulation tank washing tower for polyvinyl chloride production | |
| CN212068279U (en) | Hydrogen chloride absorption system | |
| CN209985175U (en) | Alkaline washing tower | |
| CN216878652U (en) | Acid mist absorption device for disassembling lead-acid storage battery | |
| CN202113760U (en) | Alkaline washing tank, washing tower and adsorption tank system | |
| CN209740704U (en) | Sodium chlorite production system | |
| CN205472734U (en) | Dirty water evaporator of flashing | |
| CN210595270U (en) | Working solution dewatering device for hydrogen peroxide production | |
| CN211098359U (en) | High-efficient deodorization device that adsorbs | |
| CN207907204U (en) | Sulfuric acid low temperature thermal energy recovered steam generator | |
| CN216223759U (en) | Multistage absorption equipment of production tail gas | |
| CN215027489U (en) | Cross-flow type waste gas washing tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210720 |
|
| WD01 | Invention patent application deemed withdrawn after publication |