CN108358170B - Calcium hypochlorite production environment-friendly device - Google Patents
Calcium hypochlorite production environment-friendly device Download PDFInfo
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- CN108358170B CN108358170B CN201810506461.4A CN201810506461A CN108358170B CN 108358170 B CN108358170 B CN 108358170B CN 201810506461 A CN201810506461 A CN 201810506461A CN 108358170 B CN108358170 B CN 108358170B
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- activated carbon
- pipe
- filter screen
- exhaust pipe
- calcium hypochlorite
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/064—Hypochlorites of alkaline-earth metals
-
- 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
- B01D53/84—Biological 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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Treating Waste Gases (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses an environment-friendly device for calcium hypochlorite production, which comprises a heat exchanger, an activated carbon absorber and a spraying device, wherein a first filter screen for preventing activated carbon from passing through is arranged in an adsorption exhaust port, an exhaust pipe which ascends and descends along the vertical direction is arranged on the top surface of the activated carbon absorber, the part of the exhaust pipe, which is positioned in the activated carbon absorber, is connected with a suction head for sucking the surface of the first filter screen, the spraying device comprises a tank body and a spraying liquid storage tank, and a spray head and a biological packing layer are arranged in the tank body. The invention has the beneficial effects that: the treatment effect is guaranteed by the treatment process combining activated carbon adsorption, spraying, biological treatment and water washing; the first filter screen can be regenerated on line, so that the continuous treatment time of the device is prolonged, and the device is ensured to operate efficiently all the time; the second filter screen is convenient to replace, time consumed by equipment maintenance is reduced, and the operation efficiency of the device is improved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an environment-friendly device for calcium hypochlorite production.
Background
Calcium hypochlorite, commonly known as a bleaching powder, is commonly used in the bleaching process in chemical production, plays an important role in industrial production due to rapid onset and outstanding bleaching effect, and easily generates tail gas in the existing calcium hypochlorite manufacturing process, but the existing tail gas treatment equipment has the defects of unqualified treatment effect, difficult cleaning of consumables and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the calcium hypochlorite production environment-friendly device which has good treatment effect and easily regenerated and replaced consumables.
The purpose of the invention is realized by the following technical scheme: an environment-friendly device for calcium hypochlorite production comprises a heat exchanger, an active carbon absorber and a spraying device, wherein the heat exchanger comprises a shell and a radiating pipe arranged in the shell, the radiating pipe is bent in a snake shape in the shell, one end of the radiating pipe is a waste gas inlet, the other end of the radiating pipe is a waste gas exhaust port, a heat recovery medium inlet and a heat recovery medium outlet are arranged on the shell, the active carbon absorber is provided with an adsorption air inlet and an adsorption exhaust port, the active carbon absorber is filled with active carbon, the waste gas exhaust port is connected with the adsorption air inlet through a pipeline, a first filter screen for preventing the active carbon from passing through is arranged in the adsorption exhaust port, an exhaust pipe which goes up and down along the vertical direction is arranged on the top surface of the active carbon absorber, the exhaust pipe penetrates through the top surface of the active carbon absorber, and a corrugated pipe is sleeved on the part of the exhaust pipe, which is positioned outside the active carbon absorber, one end of the corrugated pipe is hermetically connected with the outer surface of the bottom surface of the activated carbon absorber, the other end of the corrugated pipe is hermetically connected with the outer wall of the exhaust pipe, the part of the exhaust pipe, which is positioned at the upper part of the corrugated pipe, is also connected with a driving device for driving the exhaust pipe to lift along the vertical direction, the part of the exhaust pipe, which is positioned inside the activated carbon absorber, is connected with a suction head for sucking the surface of the first filter screen, one end of the exhaust pipe, which is positioned outside the activated carbon absorber, is connected with a collecting box through a hose, the top of the collecting box is connected with the exhaust device through a pipeline,
the spraying device comprises a tank body and a spraying liquid storage tank, wherein an air inlet is formed in the middle lower part of the tank body, an adsorption air outlet is connected with the air inlet through a pipeline, an air outlet is formed in the top of the tank body, a spray head and a biological packing layer are arranged in the tank body, the biological packing layer separates the inner space of the tank body into an upper part and a lower part which are not communicated with each other, the biological packing layer is higher than the air inlet, the spray head is positioned above the biological packing layer, a liquid discharge port of the spraying liquid storage tank is connected with the spray head through a circulating pump, a liquid discharge port is formed in the bottom of the shell, and the liquid discharge port is connected with the spraying liquid storage tank through a return pipe.
And the waste gas enters the activated carbon absorber after waste heat recovery, the activated carbon is used for absorbing the gas, and the gas after the absorption enters the spraying device from the absorption exhaust port of the activated carbon absorber. When first filter screen need be regenerated because of the too much active carbon of carry, start updraft ventilator to by the motion of drive arrangement drive exhaust pipe along the vertical direction, thereby the first filter screen of direction from the top down can be followed in proper order to the second suction head, realizes the regeneration of first filter screen, and absorbent active carbon gets into the collecting box through the exhaust pipe. The waste gas entering the spraying device contacts with the spraying liquid in the rising process to wash the waste gas, the biological filler layer is used for filtering the waste gas and biologically degrading substances obtained by filtering, and the spraying liquid is circularly pumped to the spray head for spraying.
The driving device comprises a sliding rail arranged along the vertical direction, a sliding block arranged on the sliding rail in a sliding mode, and a driver for driving the sliding block to ascend and descend along the vertical direction along the sliding rail, and the sliding block is fixedly connected with the exhaust pipe. The driver is a driving motor, a driving cylinder or a driving hydraulic cylinder.
The cleaning device also comprises a cleaning pool containing cleaning liquid, and the tail end of the gas exhaust pipe extends into the cleaning liquid.
The return pipe is internally provided with a second filter screen for filtering the spray liquid.
The back flow for the cross-section becomes the body of rectangle, the second filter screen include the frame with set up the filter screen in the frame, be provided with on the top surface of body and supply frame male opening, all be provided with on two lateral walls of body and the bottom surface and supply frame male recess, the lateral wall of recess and open-ended lateral wall on all be provided with the sealing strip that is used for sealing up body and frame clearance. So that the second filter can be replaced on line at any time.
The invention has the following advantages:
the invention can recycle the heat of the waste gas, thereby saving energy consumption; the treatment effect is guaranteed by the treatment process combining activated carbon adsorption, spraying, biological treatment and water washing; the first filter screen can be regenerated on line, so that the continuous treatment time of the device is prolonged, and the device is ensured to operate efficiently all the time; the second filter screen is convenient to replace, time consumed by equipment maintenance is reduced, and the operation efficiency of the device is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a second filter structure installed on the return pipe of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
as shown in fig. 1, an environment-friendly device for calcium hypochlorite production comprises a heat exchanger 1, an activated carbon adsorber 5 and a spraying device 11, wherein the heat exchanger 1 comprises a shell and a radiating pipe 2 arranged in the shell, the radiating pipe 2 is bent in a serpentine shape inside the shell, one end of the radiating pipe 2 is a waste gas inlet, the other end of the radiating pipe 2 is a waste gas outlet, the shell is provided with a heat recovery medium inlet 3 and a heat recovery medium outlet 4, the activated carbon adsorber 5 is provided with an adsorption gas inlet and an adsorption gas outlet 6, the activated carbon adsorber 5 is filled with activated carbon, the waste gas outlet is connected with the adsorption gas inlet through a pipeline, the adsorption gas outlet 6 is provided with a first filter screen 7 for preventing the activated carbon from passing through, the top surface of the activated carbon adsorber 5 is provided with a suction pipe 8 which is lifted along a vertical direction, and the suction pipe 8 penetrates through the top surface of the activated carbon adsorber 5, the part of the exhaust pipe 8 positioned outside the activated carbon absorber 5 is sleeved with a corrugated pipe 19, one end of the corrugated pipe 19 is hermetically connected with the outer surface of the bottom surface of the activated carbon absorber 5, the other end of the corrugated pipe 19 is hermetically connected with the outer wall of the exhaust pipe 8, the part of the exhaust pipe 8 positioned on the upper part of the corrugated pipe 19 is also connected with a driving device for driving the exhaust pipe 8 to ascend and descend along the vertical direction, the part of the exhaust pipe 8 positioned inside the activated carbon absorber 5 is connected with a suction head for sucking the surface of the first filter screen 7, one end of the exhaust pipe 8 positioned outside the activated carbon absorber 5 is connected with a collecting box 20 through a hose, the top of the collecting box 20 is connected with an exhaust device 21 through a pipeline,
the spraying device 11 comprises a tank body and a spraying liquid storage tank 16, an air inlet is formed in the middle lower portion of the tank body, an adsorption exhaust port 6 is connected with the air inlet through a pipeline, an air outlet is formed in the top of the tank body, a spray head 13 and a biological packing layer 12 are arranged in the tank body, the biological packing layer 12 divides the inner space of the tank body into an upper portion and a lower portion which are not communicated with each other, the height of the biological packing layer 12 is higher than that of the air inlet, the spray head 13 is located above the biological packing layer 12, a liquid discharge port of the spraying liquid storage tank 16 is connected with the spray head 13 through a circulating pump 17, a liquid discharge port is formed in the bottom of the shell, and the liquid discharge port is connected with the spraying liquid storage tank 16 through a return pipe 14.
The waste gas enters an activated carbon absorber 5 after waste heat recovery, the activated carbon absorbs the gas, and the gas after absorption enters a spraying device 11 from an absorption exhaust port 6 of the activated carbon absorber 5. When first filter screen 7 needs the regeneration because of hanging the too much active carbon of carrying, start updraft ventilator 21 to by the motion of drive arrangement drive exhaust column 8 along the vertical direction, thereby first filter screen 7 can be cleared up in proper order in the direction from the top down to the second suction head, realizes the regeneration of first filter screen 7, and absorbent active carbon gets into collecting box 20 through exhaust column 8. The waste gas entering the spraying device 11 contacts with the spraying liquid in the rising process to wash the waste gas, the biological filler layer 12 is used for filtering the waste gas and biologically degrading the filtered substances, and the spraying liquid circulating pump 17 is used for delivering the waste gas to the spray head 13 for spraying.
The driving device comprises a slide rail 10 arranged along the vertical direction, a slide block 9 arranged on the slide rail 10 in a sliding manner, and a driver for driving the slide block 9 to ascend and descend along the slide rail 10 along the vertical direction, wherein the slide block 9 is fixedly connected with the exhaust pipe 8. The driver is a driving motor, a driving cylinder or a driving hydraulic cylinder.
Also comprises a cleaning pool 18 for containing cleaning liquid, and the tail end of the gas exhaust pipe extends into the cleaning liquid.
And a second filter screen 15 for filtering the spraying liquid is arranged in the return pipe 14.
The back flow pipe 14 is a pipe body with a rectangular cross section, the second filter screen 15 comprises a frame and a filter screen arranged in the frame, an opening for inserting the frame is arranged on the top surface of the pipe body, as shown in fig. 2, grooves for inserting the frame are arranged on two side walls and the bottom surface of the pipe body, and sealing strips 22 for sealing gaps between the pipe body and the frame are arranged on the side walls of the grooves and the side walls of the openings. So that the second filter 15 can be replaced on-line at any time.
Claims (6)
1. The utility model provides a calcium hypochlorite production environment-friendly device which characterized in that: the heat exchanger comprises a shell and a radiating pipe arranged in the shell, the radiating pipe is bent in a snake shape in the shell, one end of the radiating pipe is a waste gas inlet, the other end of the radiating pipe is a waste gas exhaust port, the shell is provided with a heat recovery medium inlet and a heat recovery medium outlet, the activated carbon absorber is provided with an adsorption gas inlet and an adsorption exhaust port, the activated carbon absorber is filled with activated carbon, the waste gas exhaust port is connected with the adsorption gas inlet through a pipeline, a first filter screen for preventing the activated carbon from passing through is arranged in the adsorption exhaust port, an exhaust pipe which goes up and down along the vertical direction is arranged on the top surface of the activated carbon absorber, the exhaust pipe penetrates through the top surface of the activated carbon absorber, a corrugated pipe is sleeved on the part of the exhaust pipe outside the activated carbon absorber, one end of the corrugated pipe is hermetically connected with the outer surface of the bottom surface of the activated carbon absorber, the other end of the corrugated pipe is hermetically connected with the outer wall of the exhaust pipe, the part of the exhaust pipe, which is positioned at the upper part of the corrugated pipe, is also connected with a driving device for driving the exhaust pipe to lift along the vertical direction, the part of the exhaust pipe, which is positioned inside the activated carbon absorber, is connected with a suction head for sucking the surface of the first filter screen, one end of the exhaust pipe, which is positioned outside the activated carbon absorber, is connected with a collection box through a hose, the top of the collection box is connected with the exhaust device through a pipeline,
the spraying device comprises a tank body and a spraying liquid storage tank, wherein an air inlet is formed in the middle lower part of the tank body, an adsorption air outlet is connected with the air inlet through a pipeline, an air outlet is formed in the top of the tank body, a spray head and a biological packing layer are arranged in the tank body, the biological packing layer separates the inner space of the tank body into an upper part and a lower part which are not communicated with each other, the biological packing layer is higher than the air inlet, the spray head is positioned above the biological packing layer, a liquid discharge port of the spraying liquid storage tank is connected with the spray head through a circulating pump, a liquid discharge port is formed in the bottom of the shell, and the liquid discharge port is connected with the spraying liquid storage tank through a return pipe.
2. The environment-friendly device for calcium hypochlorite production according to claim 1, characterized in that: the driving device comprises a slide rail arranged along the vertical direction, a slide block arranged on the slide rail in a sliding way, and a driver for driving the slide block to lift along the slide rail along the vertical direction.
3. The environmental protection device for calcium hypochlorite production according to claim 2, characterized in that: the driver is a driving motor, a driving air cylinder or a driving hydraulic cylinder.
4. The environment-friendly device for calcium hypochlorite production according to claim 1, characterized in that: the cleaning device also comprises a cleaning pool containing cleaning liquid, and the tail end of the gas exhaust pipe extends into the cleaning liquid.
5. The environment-friendly device for calcium hypochlorite production according to claim 1, characterized in that: the return pipe is internally provided with a second filter screen for filtering the spray liquid.
6. The environmental protection device for calcium hypochlorite production according to claim 5, wherein: the back flow for the cross-section becomes the body of rectangle, the second filter screen include the frame with set up the filter screen in the frame, be provided with on the top surface of body and supply frame male opening, all be provided with on two lateral walls of body and the bottom surface and supply frame male recess, the lateral wall of recess and open-ended lateral wall on all be provided with the sealing strip that is used for sealing up body and frame clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506461.4A CN108358170B (en) | 2018-05-24 | 2018-05-24 | Calcium hypochlorite production environment-friendly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506461.4A CN108358170B (en) | 2018-05-24 | 2018-05-24 | Calcium hypochlorite production environment-friendly device |
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| Publication Number | Publication Date |
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| CN108358170A CN108358170A (en) | 2018-08-03 |
| CN108358170B true CN108358170B (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810506461.4A Active CN108358170B (en) | 2018-05-24 | 2018-05-24 | Calcium hypochlorite production environment-friendly device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117717885A (en) * | 2023-12-29 | 2024-03-19 | 江苏展延环境科技有限公司 | Volatile organic waste gas purifying equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3818619B2 (en) * | 1999-03-15 | 2006-09-06 | クロリンエンジニアズ株式会社 | Hypochlorite production apparatus and method |
| JP2002332585A (en) * | 2001-05-10 | 2002-11-22 | Takuma Co Ltd | Method of preparing sodium hypochlorite and preparation facility for the same |
| JP2004051431A (en) * | 2002-07-19 | 2004-02-19 | Asahi Glass Co Ltd | Method of preparing sodium hypochlorite aqueous solution |
| US7906005B2 (en) * | 2003-08-08 | 2011-03-15 | Hubbard Frank G | Means and method of chemical production |
| CN203582470U (en) * | 2013-08-30 | 2014-05-07 | 天津市凯丰化工有限公司 | Production system of calcium hypochlorite |
| CN204159176U (en) * | 2014-10-22 | 2015-02-18 | 张世军 | Calcium hypochlorite production environmental protection retracting device |
| CN105214427A (en) * | 2015-10-22 | 2016-01-06 | 四川远星橡胶有限责任公司 | Environmental protection type for smoke recovery system |
| CN206198990U (en) * | 2016-11-04 | 2017-05-31 | 天津市凯丰化工有限公司 | A kind of safety and stability formula calcium hypochlorite manufactures tail gas treatment device |
| CN106512682A (en) * | 2016-12-15 | 2017-03-22 | 攀枝花钢企欣宇化工有限公司 | Chlorine-containing tail gas recycling method |
| CN207330359U (en) * | 2017-03-25 | 2018-05-08 | 张世军 | Calcium hypochlorite production cycle retracting device |
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Effective date of registration: 20210826 Address after: 344800 Lufang industrial community, Jinxi County, Fuzhou City, Jiangxi Province Applicant after: JINXI SPRING PHARMACEUTICAL Co.,Ltd. Address before: 266011 No. 17 Puji Road, Shibei District, Qingdao, Shandong Applicant before: Li Xue |
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Denomination of invention: An environmentally friendly device for producing calcium hypochlorite Effective date of registration: 20230821 Granted publication date: 20210914 Pledgee: Jiangxi Jinxi Rural Commercial Bank Co.,Ltd. Pledgor: JINXI SPRING PHARMACEUTICAL Co.,Ltd. Registration number: Y2023980053046 |