CN113117408A - Steaming waste treatment device - Google Patents
Steaming waste treatment device Download PDFInfo
- Publication number
- CN113117408A CN113117408A CN201911398857.2A CN201911398857A CN113117408A CN 113117408 A CN113117408 A CN 113117408A CN 201911398857 A CN201911398857 A CN 201911398857A CN 113117408 A CN113117408 A CN 113117408A
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- liquid
- storage area
- shell
- liquid storage
- water bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a cooking waste treatment device, wherein a sieve mesh partition plate is fixedly arranged in a water bath pool to divide the interior of the water bath pool into an upper liquid storage area and a lower liquid storage area, the side wall of the upper part of the lower liquid storage area is provided with an air inlet, the side wall of the lower liquid storage area below the air inlet is provided with an overflow port, the overflow port is provided with an electric valve, a liquid level switch is arranged in the lower liquid storage area and is positioned below the air inlet, the liquid level switch is electrically connected with the electric valve, the water inlet of a circulating pump is communicated with the interior of the lower liquid storage area, the water outlet of the circulating pump is communicated with the interior of the upper liquid storage area, the sieve mesh partition plate is provided with an avoiding groove corresponding to a filter shell, and the shell is fixedly arranged in the water bath pool through: the safe and pollution-free discharge of waste gas is realized, the environment is protected, the waste of resources is avoided, the loss of heat energy in the waste gas is reduced, and the reutilization of the heat energy is realized.
Description
Technical Field
The invention relates to the technical field of cooking processes, in particular to the technical field of waste treatment in a cooking process for producing purified cotton.
Background
The refined cotton is a high-purity cellulose product obtained by refining cotton linters through alkaline cooking, bleaching and the like. During the process of boiling cotton linters by an alkaline method, impurities such as lignin, cotton wax, grease, pectin nitrogen-containing compounds and the like in the fibers can be removed, but a large amount of alkaline liquor is generated, wherein the alkaline content is high, if the alkaline content is recovered, the production cost can be saved, and the surface activity of the fibers can be increased. Meanwhile, high-temperature tail gas containing alkali liquor is generated in the later stage of alkaline cooking, is directly discharged, influences the environment and causes heat energy waste. The alkali liquor and waste gas from the above cooking process are collectively referred to as cooking waste, and these waste needs to be treated reasonably and efficiently.
At present, a spray tower absorption device is generally adopted for spray absorption aiming at the treatment of purified cotton cooking waste gas, but the absorption effect of the waste gas is poor, and the spray water absorbs the heat energy of the waste gas and then is discharged outside, so that the waste of the heat energy is caused. The alkaline liquor is mainly filtered in the early treatment, and because the alkaline liquor contains a large amount of impurities such as cotton linters, alkali lignin, pectin, wax and the like, the viscosity is high, the flow characteristic of the alkaline liquor in the filtration is influenced, and the efficiency and the effect of the alkaline liquor filtration treatment are poor.
Disclosure of Invention
The present invention is to solve the above-mentioned disadvantages and to provide a device for treating cooking waste, which not only can improve the absorption effect of waste gas, but also can enhance the efficiency and effect of filtration treatment in recycling alkali liquor.
The technical solution adopted by the present invention to solve the above technical problems is as follows:
the boiling waste treatment device mainly comprises a water bath, a filter, a sieve mesh partition plate, a circulating pump and a liquid level switch, wherein the top of the water bath is open, the sieve mesh partition plate is fixedly arranged in the water bath and divides the interior of the water bath into an upper liquid storage area and a lower liquid storage area, the side wall of the upper part of the lower liquid storage area is provided with an air inlet, the side wall of the lower liquid storage area below the air inlet is provided with an overflow port, the overflow port is provided with an electric valve, the liquid level switch is arranged in the lower liquid storage area and is positioned below the air inlet and is electrically connected with the electric valve, the water inlet of the circulating pump is communicated with the interior of the lower liquid storage area, the water outlet of the circulating pump is communicated with the interior of the upper liquid storage area, the filter consists of a shell, a liquid inlet pipe, a filter layer, a spray head and a liquid outlet pipe, and the sieve mesh partition, the shell is fixedly installed in the water bath pool through the avoiding groove, the spray header is fixedly installed in the upper portion of the shell, a water inlet pipe communicated with the spray header is arranged on the spray header, the water inlet pipe penetrates out of the shell, a water inlet valve is arranged on the water inlet pipe, the liquid inlet pipe is fixedly installed in the shell, the liquid inlet end of the liquid inlet pipe penetrates out of the shell, a first stop valve is arranged on the liquid inlet pipe located on the outer side of the shell, a liquid discharge hole in a row is formed in the liquid inlet pipe located in the shell, the filter layer is fixedly installed in the shell below the liquid inlet pipe, a liquid outlet is formed in the bottom of the shell, the liquid outlet pipe is fixedly installed at the liquid outlet of the shell and communicated with the liquid outlet, the liquid outlet pipe penetrates out of the bottom of the.
The lower part of the lower liquid storage area is provided with a sewage draining outlet, the sewage draining outlet is provided with a sewage draining valve, the upper part of the shell is also provided with a flushing sewage draining outlet, the flushing sewage draining outlet is provided with a flushing sewage draining valve, the liquid outlet pipe is provided with a back flushing pipe communicated with the liquid outlet pipe, and the back flushing pipe is provided with a third stop valve.
The filter layer of filter comprises filter screen, activated carbon layer, fine sand layer and coarse sand layer, the filter screen is row fixed mounting in the casing, activated carbon layer, fine sand layer and coarse sand layer are by supreme packing in proper order between adjacent filter screen down.
The liquid level switch is a floating ball liquid level switch.
The invention adopts the technical proposal to achieve the following beneficial effects:
1. when the cooking is finished, a large amount of high-temperature waste gas discharged from the rotary spherical digester enters a sealed absorption area formed between the water bath liquid in the upper liquid storage area and the water bath liquid in the lower liquid storage area through the air inlet, a part of alkali molecules of the high-temperature waste gas are absorbed by the water bath liquid in the upper liquid storage area in a spraying mode, and the other part of alkali molecules are completely and fully absorbed when upwards passing through the sieve mesh partition plate and the water bath liquid in the upper liquid storage area, so that the alkali molecules in the high-temperature waste gas are completely absorbed into the water bath liquid in the lower liquid storage area, the safe and pollution-free discharge of the waste gas is realized, the rotary spherical digester is very environment-friendly, the water bath liquid in the lower liquid storage area can be reused in production after being compounded, and the waste of resources is avoided.
2. The water bath liquid in the water bath pool stores the heat energy in the waste gas when the waste gas is treated, so that the water bath liquid and the heat energy in the waste gas in the sealed absorption area can heat the filter, the effective and quick filtration of alkali liquor is facilitated, the loss of the heat energy in the waste gas is reduced, and the recycling of the heat energy is realized.
3. The alkali liquor in the filter is better in fluidity after being heated by the water bath liquid and the high-temperature waste gas, and is easier to be filtered, so that the filtering efficiency and the effect in the recycling of the alkali liquor are improved.
4. Through the adsorption of the active carbon in the filter layer, cotton linters in the alkali liquor and lignin, pectin and other impurities dissolved in the alkali liquor are well treated, the recycling difficulty of the alkali liquor is reduced, the alkali resource is effectively saved, and the purpose of protecting the environment is also achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, the boiling waste treatment device mainly comprises a water bath 1, a filter, a sieve mesh clapboard 2, a circulating pump 3 and a liquid level switch 4, the top of the water bath 1 is open, the sieve mesh partition plate 2 is fixedly arranged in the water bath 1 to divide the interior of the water bath 1 into an upper liquid storage area 5 and a lower liquid storage area 6, an air inlet 7 is arranged on the side wall of the upper part of the lower liquid storage area 6, an overflow port 8 is arranged on the side wall of the lower liquid storage area 6 below the air inlet 7, an electric valve 9 is arranged at the overflow port 8, a sewage draining port 10 is arranged at the lower part of the lower liquid storage area 6, a drain valve 11 is arranged at the drain outlet 10, the liquid level switch 4 is arranged in the lower liquid storage area 6 and is positioned below the air inlet 7, the liquid level switch 4 is electrically connected with the electric valve 9, and the liquid level switch 4 can be a common float ball liquid level switch on the market. When the liquid level of the alkali liquor 35 in the lower liquid storage area 6 reaches the upper limit height, the liquid level switch 4 is triggered, the signal is transmitted to the electric valve 9 through the liquid level switch 4, the electric valve 9 is controlled to be opened, the alkali liquor 35 overflows from the overflow port 8, the liquid level of the alkali liquor 35 in the lower liquid storage area 6 is always lower than the height of the air inlet 7, and the alkali liquor 35 is prevented from flowing into the air inlet 7. The water inlet 12 of the circulating pump 3 is communicated with the inside of the lower liquid storage area 6, and the water outlet 13 of the circulating pump 3 is communicated with the inside of the upper liquid storage area 5. The alkali liquor 35 used for absorbing the waste gas is stored in the lower liquid storage area 6, the alkali liquor 35 in the lower liquid storage area 6 is pumped into the upper liquid storage area 5 through the circulating pump 3, the alkali liquor 35 in the upper liquid storage area 5 slowly drops from the sieve pores of the sieve pore partition plates 2, meanwhile, liquid sealing is carried out through the alkali liquor 35 in the upper liquid storage area 5, a sealed absorption area 33 is formed between the sieve pore partition plates 2 and the alkali liquor 35 in the lower liquid storage area 6, the waste gas to be treated enters the sealed absorption area 33 from the air inlet 7, the waste gas is absorbed through the alkali liquor 35 dropping from the sieve pore partition plates 2 and the alkali liquor 35 in the lower liquid storage area 6, meanwhile, the waste gas penetrates through the sieve pores of the sieve pore partition plates 2 and escapes from the alkali liquor 35 in the upper liquid storage area 5 to be discharged into the atmosphere, and the waste gas can be absorbed again when escaping from the. In order to prevent the alkali liquor 35 in the upper liquid storage area 5 from dropping too fast and prevent the waste gas in the sealed absorption area 33 from being sealed, the diameter of the sieve holes of the sieve hole partition plate 2 can be properly reduced to control the dropping speed.
The filter is composed of a shell 14, a liquid inlet pipe 15, a filter layer, a spray header 16 and a liquid outlet pipe 17, wherein an avoiding groove 34 corresponding to the filter shell 14 is formed in the sieve mesh partition plate 2, the shell 14 is fixedly installed in the water bath 1 through the avoiding groove 34, the spray header 16 is fixedly installed in the upper portion of the shell 14, a water inlet pipe 18 communicated with the spray header 16 is arranged on the spray header 16, the water inlet pipe 18 penetrates out of the shell 14, a water inlet valve 19 is arranged on the water inlet pipe 18, the liquid inlet pipe 15 is fixedly installed in the shell 14, the liquid inlet end of the liquid inlet pipe 15 penetrates out of the shell 14, a first stop valve 20 is arranged on the liquid inlet pipe 15 positioned on the outer side of the shell 14, and a row liquid discharge hole 21 is formed in the liquid inlet pipe 15 positioned in the shell 14. Filter layer fixed mounting is in casing 14 of feed liquor pipe 15 below, and the filter layer of filter comprises filter screen 28, activated carbon layer 29, fine sand layer 30 and coarse sand layer 31, filter screen 28 is row fixed mounting in casing 14, activated carbon layer 29, fine sand layer 30 and coarse sand layer 31 are filled between adjacent filter screen 28 by supreme packing in proper order down. A liquid outlet 22 is formed in the bottom of the housing 14, the liquid outlet pipe 17 is fixedly mounted at the liquid outlet 22 of the housing 14 and is communicated with the liquid outlet 22, the liquid outlet pipe 17 penetrates out from the bottom of the water bath 1, and a second stop valve 23 is arranged on the liquid outlet pipe 17. The boiled alkali liquor of the purified cotton is discharged into the shell 14 from the liquid inlet pipe 15, distilled water is sprayed into the shell 14 through the spray header 16 to dilute the boiled alkali liquor, and the diluted boiled alkali liquor is discharged from the liquid outlet pipe 17 after being filtered by the filter layer and enters the steaming ball again for recycling. A flushing sewage outlet 24 is further formed in the upper portion of the shell 14, a flushing sewage valve 25 is arranged at the flushing sewage outlet 24, a back flushing pipe 26 communicated with the liquid outlet pipe 17 is arranged on the liquid outlet pipe, and a third stop valve 27 is arranged on the back flushing pipe 26. When the filter has more dirt and needs to be cleaned, the first stop valve 20, the second stop valve 23 and the water inlet valve 19 can be respectively closed, distilled water is introduced into the shell 14 through the backwashing pipe 26 for backwashing, and the sewage after the backwashing is discharged from the flushing sewage outlet 24.
Claims (4)
1. The steaming waste treatment device is characterized in that: the water bath device mainly comprises a water bath, a filter, a sieve mesh partition plate, a circulating pump and a liquid level switch, wherein the top of the water bath is open, the sieve mesh partition plate is fixedly arranged in the water bath and divides the interior of the water bath into an upper liquid storage area and a lower liquid storage area, an air inlet is formed in the side wall of the upper part of the lower liquid storage area, an overflow port is formed in the side wall of the lower liquid storage area below the air inlet, an electric valve is arranged at the overflow port, the liquid level switch is arranged in the lower liquid storage area and is positioned below the air inlet, the liquid level switch is electrically connected with the electric valve, the water inlet of the circulating pump is communicated with the interior of the lower liquid storage area, the water outlet of the circulating pump is communicated with the interior of the upper liquid storage area, the filter comprises a shell, a liquid inlet pipe, a filter layer, a spray head and a liquid, the shell is fixedly installed in the water bath pool through the avoiding groove, the spray header is fixedly installed in the upper portion of the shell, a water inlet pipe communicated with the spray header is arranged on the spray header, the water inlet pipe penetrates out of the shell, a water inlet valve is arranged on the water inlet pipe, the liquid inlet pipe is fixedly installed in the shell, the liquid inlet end of the liquid inlet pipe penetrates out of the shell, a first stop valve is arranged on the liquid inlet pipe located on the outer side of the shell, a liquid discharge hole in a row is formed in the liquid inlet pipe located in the shell, the filter layer is fixedly installed in the shell below the liquid inlet pipe, a liquid outlet is formed in the bottom of the shell, the liquid outlet pipe is fixedly installed at the liquid outlet of the shell and communicated with the liquid outlet, the liquid outlet pipe penetrates out of the bottom of the.
2. The cooking waste treatment apparatus according to claim 1, wherein: the lower part of the lower liquid storage area is provided with a sewage draining outlet, the sewage draining outlet is provided with a sewage draining valve, the upper part of the shell is also provided with a flushing sewage draining outlet, the flushing sewage draining outlet is provided with a flushing sewage draining valve, the liquid outlet pipe is provided with a back flushing pipe communicated with the liquid outlet pipe, and the back flushing pipe is provided with a third stop valve.
3. The cooking waste treatment apparatus according to claim 1 or 2, wherein: the filter layer of filter comprises filter screen, activated carbon layer, fine sand layer and coarse sand layer, the filter screen is row fixed mounting in the casing, activated carbon layer, fine sand layer and coarse sand layer are by supreme packing in proper order between adjacent filter screen down.
4. The cooking waste treatment apparatus according to claim 1 or 2, wherein: the liquid level switch is a floating ball liquid level switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398857.2A CN113117408B (en) | 2019-12-30 | 2019-12-30 | Digestion waste treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398857.2A CN113117408B (en) | 2019-12-30 | 2019-12-30 | Digestion waste treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113117408A true CN113117408A (en) | 2021-07-16 |
| CN113117408B CN113117408B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398857.2A Active CN113117408B (en) | 2019-12-30 | 2019-12-30 | Digestion waste treatment device |
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| Country | Link |
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| CN (1) | CN113117408B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362043A (en) * | 2008-09-19 | 2009-02-11 | 姚立猛 | Desulfurization dust removing method of industrial furnace |
| CN101391175A (en) * | 2007-09-21 | 2009-03-25 | 姚立猛 | Desulfurization dust collector for industrial furnace |
| CN204261518U (en) * | 2014-09-26 | 2015-04-15 | 常州友达环保科技有限公司 | The board-like Water curtain machine of fine ga(u)ge screen |
| CN107151074A (en) * | 2016-12-08 | 2017-09-12 | 湖北金汉江精制棉有限公司 | A kind of purified cotton cooking alkali lye reuse method |
| CN206508778U (en) * | 2016-12-09 | 2017-09-22 | 蚌埠市中喜机电设备有限公司 | A kind of current stabilization flue gas desulfurization device of multi-absorption |
| CN211635544U (en) * | 2019-12-30 | 2020-10-09 | 湖北金汉江精制棉有限公司 | Steaming waste treatment device |
-
2019
- 2019-12-30 CN CN201911398857.2A patent/CN113117408B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391175A (en) * | 2007-09-21 | 2009-03-25 | 姚立猛 | Desulfurization dust collector for industrial furnace |
| CN101362043A (en) * | 2008-09-19 | 2009-02-11 | 姚立猛 | Desulfurization dust removing method of industrial furnace |
| CN204261518U (en) * | 2014-09-26 | 2015-04-15 | 常州友达环保科技有限公司 | The board-like Water curtain machine of fine ga(u)ge screen |
| CN107151074A (en) * | 2016-12-08 | 2017-09-12 | 湖北金汉江精制棉有限公司 | A kind of purified cotton cooking alkali lye reuse method |
| CN206508778U (en) * | 2016-12-09 | 2017-09-22 | 蚌埠市中喜机电设备有限公司 | A kind of current stabilization flue gas desulfurization device of multi-absorption |
| CN211635544U (en) * | 2019-12-30 | 2020-10-09 | 湖北金汉江精制棉有限公司 | Steaming waste treatment device |
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| CN113117408B (en) | 2023-10-20 |
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