CN113117408B - Digestion waste treatment device - Google Patents
Digestion waste treatment device Download PDFInfo
- Publication number
- CN113117408B CN113117408B CN201911398857.2A CN201911398857A CN113117408B CN 113117408 B CN113117408 B CN 113117408B CN 201911398857 A CN201911398857 A CN 201911398857A CN 113117408 B CN113117408 B CN 113117408B
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- shell
- liquid
- storage area
- liquid storage
- filter
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Classifications
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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
-
- 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
Abstract
The invention discloses a digestion waste treatment device, wherein a sieve pore 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, 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, 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, a water inlet of a circulating pump is communicated with the interior of the lower liquid storage area, a water outlet of the circulating pump is communicated with the interior of the upper liquid storage area, a avoidance groove corresponding to a filter shell is formed in the sieve pore partition plate, and the shell is fixedly arranged in the water bath pool through the avoidance groove: the waste gas is safely discharged without pollution, 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 technology, in particular to the technical field of waste treatment in the cooking technology of refined cotton production.
Background
The refined cotton is a high-purity cellulose product obtained by refining cotton linters through alkali cooking, bleaching and the like. The alkali method can remove lignin, cotton wax, grease, pectin nitrogen-containing compounds and other impurities in the fiber during the cotton linter cooking process, but also generates a large amount of alkali liquor, wherein the alkali content is higher, if the alkali content is recycled, the production cost can be saved, and the surface activity of the fiber can be increased. Meanwhile, high-temperature tail gas containing alkali liquor is generated in the later stage of alkaline cooking, and is directly discharged, so that the environment is affected, and heat energy waste is caused. The alkali liquor and waste gas in the above-mentioned cooking process are collectively called cooking waste, and it is necessary to perform a reasonable and effective treatment of these waste.
At present, aiming at the treatment of the waste gas generated by cooking refined cotton, a spray tower absorption device is generally adopted for spray absorption, but the absorption effect of the waste gas is poor, and the heat energy of the waste gas is absorbed by spray water and then discharged, so that the heat energy is wasted. The pretreatment of the alkali liquor is mainly filtration, and because the alkali liquor contains a large amount of cotton linters, alkali lignin, pectin, wax and other impurities, the viscosity is high, the filtration flow characteristic is affected, and the efficiency and effect of the alkali liquor filtration treatment are poor.
Disclosure of Invention
The invention aims to solve the defects and provide a digestion waste treatment device which not only can improve the absorption effect of waste gas, but also can enhance the efficiency and effect of filtering treatment in alkali liquor recycling.
The technical solution adopted by the invention for solving the technical problems is as follows:
the utility model provides a digestion waste treatment device, it mainly includes water bath, filter, sieve mesh baffle, circulating pump and liquid level switch, the top of water bath is uncovered form, sieve mesh baffle fixed mounting is in the water bath, with water bath internal partition become upper reservoir and lower reservoir the air inlet has been seted up on the lateral wall of lower reservoir upper portion, has seted up the overflow mouth on the lower reservoir lateral wall of air inlet below, installs the motorised valve in this overflow mouth department, liquid level switch installs in lower reservoir to be located the air inlet below, this liquid level switch is connected with the motorised valve electricity, the water inlet of circulating pump is linked together with the inside of lower reservoir, and the delivery port of circulating pump is linked together with the inside of upper reservoir, the filter comprises casing, feed-in liquid pipe, filter layer, shower head and drain pipe set up on the sieve mesh baffle with the corresponding dodge groove of filter casing, the casing is through this dodge groove fixed mounting in the water bath, set up the overflow mouth on the upper portion of casing, be provided with the feed-in shower head and be linked together with its being provided with the motorised valve, this feed-in the drain pipe is provided with the feed-in the drain pipe from the casing, and the drain pipe is provided with the drain pipe is in the drain pipe is fixed to be provided with the drain pipe from the casing, and is located the drain pipe is in the drain pipe is provided with the drain pipe.
The lower part of the lower liquid storage area is provided with a drain outlet, a drain valve is arranged at the drain outlet, the upper part of the shell is also provided with a flushing drain outlet, the flushing drain outlet is provided with a flushing drain valve, a 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, active carbon layer, fine sand layer and coarse sand layer, the filter screen is row fixed mounting in the casing, active carbon layer, fine sand layer and coarse sand layer are packed in proper order from bottom to top between adjacent filter screen.
The liquid level switch is a floating ball liquid level switch.
The beneficial effects achieved by adopting the technical proposal of the invention are as follows:
1. when the steaming is finished, a large amount of high-temperature waste gas discharged from the steaming ball enters a sealed absorption area formed between water bath liquid in the upper liquid storage area and 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 thoroughly and fully absorbed when upwards passing through the sieve pore 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 pollution-free emission of the waste gas is realized, the environment is protected, 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 heat energy in waste gas when waste gas treatment is carried out, so that the water bath liquid and the heat energy in the waste gas in the sealed absorption area can heat the filter, thereby being beneficial to effective and rapid filtration of alkali liquor, reducing the loss of heat energy in the waste gas and realizing the reutilization of heat energy.
3. After the alkali liquor in the filter is heated by the water bath and the high-temperature waste gas, the fluidity of the alkali liquor is better, the alkali liquor is easier to filter, and the filtering efficiency and the effect in alkali liquor recycling are improved.
4. Through the adsorption of the activated carbon in the filter layer, the cotton linters in the alkali liquor and impurities such as lignin and pectin dissolved in the alkali liquor are better treated, the recycling difficulty of the alkali liquor is reduced, the alkali resource is effectively saved, and the aim of protecting the environment is also achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The utility model provides a cooking waste treatment device, it mainly includes water bath 1, filter, sieve mesh baffle 2, circulating pump 3 and liquid level switch 4, the top of water bath 1 is uncovered form, sieve mesh baffle 2 fixed mounting is in water bath 1, with water bath 1 internal partition divide into upper reservoir area 5 and lower reservoir area 6 on the lateral wall of lower reservoir area 6 upper portion has seted up air inlet 7, has seted up overflow port 8 on the lower reservoir area 6 lateral wall of air inlet 7 below, installs motorised valve 9 in this overflow port 8 department, has seted up drain 10 in the lower part of lower reservoir area 6, installs drain 11 in this drain 10 department, liquid level switch 4 installs in lower reservoir area 6 to be located air inlet 7 below, this liquid level switch 4 is connected with motorised valve 9 electricity, liquid level switch 4 optional is the common floater liquid level switch in 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, signals are transmitted to the electric valve 9 through the liquid level switch 4, and the electric valve 9 is controlled to be opened, so that 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 interior of the lower liquid storage area 6, and the water outlet 13 of the circulating pump 3 is communicated with the interior of the upper liquid storage area 5. The alkali liquor 35 used for absorbing 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 board 2, meanwhile, the alkali liquor 35 in the upper liquid storage area 5 is used for liquid sealing, a sealed absorption area 33 is formed between the sieve pore partition board 2 and the alkali liquor 35 in the lower liquid storage area 6, 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 dropped from the sieve pore partition board 2 and the alkali liquor 35 in the lower liquid storage area 6, meanwhile, the waste gas passes through the sieve pores of the sieve pore partition board 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 the waste gas escapes from the alkali liquor 35 in the upper liquid storage area 5. In order to prevent the alkali liquor 35 in the upper liquid storage area 5 from dripping too fast to cause the waste gas in the sealed absorbing area 33 to be sealed, the diameter of the sieve holes of the sieve mesh baffle plate 2 can be properly reduced to control the dripping 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 avoidance groove 34 corresponding to the shell 14 of the filter is formed in the sieve pore partition plate 2, the shell 14 is fixedly installed in the water bath 1 through the avoidance 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 outside the shell 14, and a liquid outlet 21 which is in a row is formed in the liquid inlet pipe 15 positioned in the shell 14. The filter layer is fixedly arranged in the shell 14 below the liquid inlet pipe 15, the filter layer of the filter consists of a filter screen 28, an activated carbon layer 29, a fine sand layer 30 and a coarse sand layer 31, the filter screen 28 is fixedly arranged in the shell 14 in a row, and the activated carbon layer 29, the fine sand layer 30 and the coarse sand layer 31 are sequentially filled between the adjacent filter screens 28 from bottom to top. A liquid outlet 22 is formed in the bottom of the shell 14, the liquid outlet pipe 17 is fixedly arranged at the liquid outlet 22 of the shell 14 and is communicated with the liquid outlet 22, the liquid outlet pipe 17 penetrates out of 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 refined 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 to reenter the rotary spherical digester for recycling after being filtered by the filter layer. A flushing drain 24 is also provided at the upper part of the housing 14, a flushing drain valve 25 is provided at the flushing drain 24, a backwash pipe 26 is provided on the liquid outlet pipe 17 in communication therewith, and a third stop valve 27 is provided on the backwash pipe 26. When more dirt in the filter 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 washed sewage is discharged from the flushing drain outlet 24.
Claims (3)
1. The utility model provides a digestion waste treatment device which characterized in that: the utility model mainly comprises a water bath, a filter, a sieve pore baffle, a circulating pump and a liquid level switch, wherein the top of the water bath is open, the sieve pore baffle is fixedly arranged in the water bath, the interior of the water bath is divided 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, 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 consists of a shell, a liquid inlet pipe, a filter layer, a spray head and a liquid outlet pipe, a avoidance groove corresponding to the filter shell is arranged on the sieve pore baffle, the shell is fixedly arranged in the water bath through the avoidance groove, the spray header is fixedly arranged in the upper part of the shell, the spray header is provided with a water inlet pipe communicated with the spray header, the water inlet pipe penetrates out of the shell, the water inlet pipe is provided with a water inlet valve, the liquid inlet pipe is fixedly arranged in the shell, the liquid inlet end of the liquid inlet pipe penetrates out of the shell, the liquid inlet pipe positioned outside the shell is provided with a first stop valve, the liquid inlet pipe positioned in the shell is provided with a liquid outlet which is arranged, the filter layer is fixedly arranged in the shell below the liquid inlet pipe, the filter layer of the filter consists of a filter screen, an activated carbon layer, a fine sand layer and a coarse sand layer, the filter screen is fixedly arranged in the shell, the activated carbon layer, the fine sand layer and the coarse sand layer are sequentially filled between adjacent filter screens from bottom to top, the bottom of the shell is provided with a liquid outlet, the liquid outlet pipe is fixedly arranged at the liquid outlet of the shell and is communicated with the liquid outlet, the liquid outlet pipe penetrates out from the bottom of the water bath tank, a second stop valve is arranged on the liquid outlet pipe, the cooking alkali liquor of refined cotton is discharged into the shell from the liquid inlet pipe, distilled water is sprayed into the shell through the spray header to dilute the cooking alkali liquor, and after the diluted cooking alkali liquor is filtered by the filter layer, the cooking alkali liquor is discharged from the liquid outlet pipe and re-enters the rotary spherical digester for recycling.
2. The cooking waste processing apparatus of claim 1, wherein: the lower part of the lower liquid storage area is provided with a drain outlet, a drain valve is arranged at the drain outlet, the upper part of the shell is also provided with a flushing drain outlet, the flushing drain outlet is provided with a flushing drain valve, a 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 processing apparatus of 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 CN113117408A (en) | 2021-07-16 |
| CN113117408B true CN113117408B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398857.2A Active CN113117408B (en) | 2019-12-30 | 2019-12-30 | Digestion waste treatment device |
Country Status (1)
| Country | Link |
|---|---|
| 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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| Publication number | Publication date |
|---|---|
| CN113117408A (en) | 2021-07-16 |
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