CN111618062A - Fume hood with simple tail gas treatment facility and tail gas treatment method - Google Patents
Fume hood with simple tail gas treatment facility and tail gas treatment method Download PDFInfo
- Publication number
- CN111618062A CN111618062A CN202010431282.6A CN202010431282A CN111618062A CN 111618062 A CN111618062 A CN 111618062A CN 202010431282 A CN202010431282 A CN 202010431282A CN 111618062 A CN111618062 A CN 111618062A
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- China
- Prior art keywords
- cabinet
- air
- static pressure
- gas treatment
- tail gas
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- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 title claims description 64
- 239000003517 fume Substances 0.000 title claims description 45
- 230000003068 static effect Effects 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ventilation (AREA)
Abstract
The invention provides a ventilation cabinet with a simple tail gas treatment facility and a tail gas treatment method, and the ventilation cabinet comprises a ventilation cabinet body, a ventilation pipeline, in-cabinet suction ports, a static pressure box, an air filter element and an air outlet, wherein the ventilation pipeline is arranged in the ventilation cabinet body, the ventilation pipeline is provided with a plurality of in-cabinet suction ports, the static pressure box is arranged on the upper end surface in the ventilation cabinet body and is positioned above the ventilation pipeline, the static pressure box is communicated with the in-cabinet suction ports, the air filter element is arranged at the inlet of the static pressure box, and the air outlet is arranged at the top of the ventilation cabinet body and is positioned at the airflow downstream of the static pressure box. The static pressure box is arranged between the air suction opening and the air outlet of the ventilation cabinet, and the adsorption type air filter element is arranged in the static pressure box, so that the toxic and harmful gas can be tested and purified on the ventilation cabinet. The method has the advantages of simple measures and low cost, and can save the investment for independently constructing a tail gas treatment device after implementation.
Description
Technical Field
The invention relates to the field of petrochemical laboratory equipment, in particular to a fume hood with a simple tail gas treatment facility and a tail gas treatment method.
Background
A laboratory is built in a large number of stations in oil fields in the petroleum industry, the stations have single test projects and few test instruments, only one laboratory is usually built, and related test projects often emit toxic and harmful gases. This type of chemical examination needs to be accomplished in the fume chamber, and the fume chamber separates personnel and chemical examination sample, through the air in the pump drainage cabinet, prevents that the poisonous, harmful gas that produce among the chemical examination process from giving off to indoor, and the exhaust gas need be discharged into the atmosphere after handling and satisfying emission standard. At present, the common practice in the industry is to uniformly collect the gas exhausted from a fume hood, arrange an independent chemical absorption or physical adsorption device, and discharge the gas after treatment. The number of the ventilation cabinets of the oil field station laboratory is small, the discharge amount is small, and an independent tail gas treatment device in the market is relatively large in scale and complex, so that investment waste is caused; the current market also does not have a fume hood with a tail gas treatment device.
Disclosure of Invention
The invention provides a ventilation cabinet with a simple tail gas treatment facility and a tail gas treatment method, aiming at solving the problems that the existing ventilation cabinet of an oil field station laboratory has small quantity and small discharge amount, and an independent tail gas treatment device in the market has large relative scale and complicated device, so that the investment is wasted. The tail gas treatment facility has a simple structure, is easy to integrate on a fume hood, and solves the contradiction that the direct emission of a single laboratory and a single fume hood does not meet the environmental protection requirement, and the investment is wasted when a tail gas treatment device is independently constructed. The requirement of tail gas treatment of a small-scale laboratory is met in a simple and low-cost manner.
The technical scheme adopted by the invention is as follows:
the utility model provides a fume chamber with simple and easy tail gas treatment facility, includes the fume chamber cabinet body, air pipe, cabinet internal suction opening, static pressure case, air filter and air exit, the fume chamber cabinet internal be equipped with air pipe, air pipe is last to be equipped with a plurality of cabinet internal suction openings, static pressure case establish on the internal up end of fume chamber cabinet, and be located air pipe's top, static pressure case and cabinet internal suction opening intercommunication, air filter install the entrance at static pressure case, the air exit establish at fume chamber cabinet body top, and be located static pressure case air current low reaches.
The air filter element is an adsorption type air filter element.
And activated carbon particles or ferric oxide particles are filled in the air filter element.
The fume chamber cabinet body include last cabinet and lower cabinet, last cabinet establish in lower cabinet upper end.
The front end face of the upper cabinet is provided with a sliding window, and the lower end of the sliding window is in contact connection with the upper end face of the lower cabinet.
An access door is arranged on the upper end face of the upper cabinet, and the size of the access door is larger than that of the air filter element.
The air outlet is positioned on one side of the access door and is arranged on the upper end surface of the upper cabinet.
The ventilation pipeline is a special-shaped ventilation pipeline and consists of ventilation pipes.
A tail gas treatment method of a fume hood with a simple tail gas treatment facility comprises the following specific steps: the method comprises the steps of firstly opening a sliding window to enable gas to be treated to enter a ventilating duct through an air suction opening in a cabinet, then filtering the gas through an air filter element, discharging the filtered gas through a static pressure box and an air outlet, and carrying out subsequent treatment.
The invention has the beneficial effects that:
according to the invention, the simple tail gas treatment facility is arranged on the ventilation cabinet, so that the toxic and harmful experimental tail gas is purified on the ventilation cabinet, and the emission requirement is met.
The tail gas treatment facility has a simple structure, is easy to integrate on the fume hood, and solves the contradiction that the direct emission of a single laboratory and a single fume hood does not meet the environmental protection requirement, and the investment is wasted when a tail gas treatment device is independently constructed. The requirement of tail gas treatment of a small-scale laboratory is met in a simple and low-cost manner.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is an external view of the fume hood of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a sectional view taken along line A-A.
In the figures, the reference numbers are: 1. loading the cabinet; 2. a lower cabinet; 3. an air suction opening in the cabinet; 4. an air filter element; 5. a static pressure box; 6. an access door; 7. sliding windows; 8. an air outlet; 9. a ventilation duct.
Detailed Description
Example 1:
in order to overcome the problems of small quantity and small discharge amount of the prior ventilating hood of the oil field station laboratory, large relative scale of a single tail gas treatment device on the market, complex device and investment waste, the invention provides the ventilating hood with the simple tail gas treatment facility and the tail gas treatment method as shown in figures 1-3. The tail gas treatment facility has a simple structure, is easy to integrate on a fume hood, and solves the contradiction that the direct emission of a single laboratory and a single fume hood does not meet the environmental protection requirement, and the investment is wasted when a tail gas treatment device is independently constructed. The requirement of tail gas treatment of a small-scale laboratory is met in a simple and low-cost manner.
The utility model provides a fume chamber with simple and easy tail gas treatment facility, includes the fume chamber cabinet body, air pipe 9, cabinet internal suction opening 3, static pressure case 5, air filter 4 and air exit 8, the fume chamber cabinet internal be equipped with air pipe 9, air pipe 9 is last to be equipped with a plurality of cabinet internal suction openings 3, static pressure case 5 establish on the internal up end of fume chamber cabinet, and be located air pipe 9's top, static pressure case 5 and cabinet internal suction opening 3 intercommunication, air filter 4 install the entrance at static pressure case 5, air exit 8 establish at fume chamber cabinet body top, and be located static pressure case 5 air current low reaches.
According to the invention, an air static pressure box 5 is additionally arranged between an air suction opening 3 and an air exhaust opening 8 in a cabinet, an air filter element 4 is arranged at an inlet of the static pressure box 5, an adsorption material in the air filter element 4 is selectively filled according to requirements, and the type of the adsorption material in the air filter element 4 is selected according to the harmful substance types generated in the test. Toxic and harmful gases emitted in the testing process enter the static pressure box 5 through the air suction opening 3 in the cabinet; harmful substances in the exhaust air are adsorbed by the air filter element 4 to reach the atmospheric emission standard; and then through the exhaust outlet 8 into a downstream exhaust fan or duct.
The static pressure box 5 and the air filter element 4 form a tail gas treatment facility, the tail gas treatment facility is simple in structure and easy to integrate on a fume hood, and the contradiction that direct discharge of a single laboratory and a single fume hood does not meet the environmental protection requirement and investment is wasted when a tail gas treatment device is independently constructed is solved. The requirement of tail gas treatment of a small-scale laboratory is met in a simple and low-cost manner.
Example 2:
based on embodiment 1, in this embodiment, preferably, the cabinet internal suction opening 3 is connected to the static pressure box 5 through a ventilation duct 9.
Preferably, the air filter element 4 is an adsorption type air filter element.
Preferably, the air filter element 4 is filled with activated carbon particles or iron oxide particles.
Preferably, the fume hood body comprises an upper cabinet 1 and a lower cabinet 2, and the upper cabinet 1 is arranged at the upper end of the lower cabinet 2.
Preferably, a sliding window 7 is arranged on the front end face of the upper cabinet 1, and the lower end of the sliding window 7 is in contact connection with the upper end face of the lower cabinet 2.
Preferably, an access door 6 is arranged on the upper end face of the upper cabinet 1, and the size of the access door 6 is larger than that of the air filter element 4.
Preferably, the air outlet 8 is located at one side of the access door 6 and is arranged on the upper end surface of the upper cabinet 1.
Preferably, the ventilation duct 9 is a special-shaped ventilation duct and consists of ventilation ducts. According to the demand, with the ventilation pipe fixed connection become required shape, install special-shaped ventilation pipe after, open a plurality of cabinets internal suction opening 3 on this pipeline, the gas that will get into the cabinet body inhales ventilation pipe 9 through cabinet internal suction opening 3, filters through air filter 4 again, carries out subsequent processing through the gas after 8 filtrations of air exit at last.
A tail gas treatment method of a fume hood with a simple tail gas treatment facility comprises the following specific steps: firstly, the sliding window 7 is opened, so that the gas to be treated enters the ventilating duct 9 through the suction opening 3 in the cabinet, and then the filtered gas is discharged through the static pressure box 5 and the air outlet 8 after being filtered by the air filter element 4, and the subsequent treatment is carried out.
According to the invention, an air static pressure box 5 is additionally arranged between an air suction opening 3 and an air exhaust opening 8 in a cabinet, an air filter element 4 is arranged at an inlet of the static pressure box 5, an adsorption material in the air filter element 4 is selectively filled according to requirements, and the type of the adsorption material in the air filter element 4 is selected according to the harmful substance types generated in the test. Toxic and harmful gases emitted in the testing process enter the static pressure box 5 through the air suction opening 3 in the cabinet; harmful substances in the exhaust air are adsorbed by the air filter element 4 to reach the atmospheric emission standard; and then through the exhaust outlet 8 into a downstream exhaust fan or duct. The upper part of the static pressure box 5 is provided with the access door 6 as a channel for replacing the air filter element 4, so that the air filter is simple and convenient.
The tail gas treatment facility has a simple structure, is easy to integrate on the fume hood, and solves the contradiction that the direct emission of a single laboratory and a single fume hood does not meet the environmental protection requirement, and the investment is wasted when a tail gas treatment device is independently constructed. The requirement of tail gas treatment of a small-scale laboratory is met in a simple and low-cost manner.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present invention as defined in the appended claims. The device structure and the medicament method thereof for detailed description in the invention are the prior art, and further description is not provided in the invention.
Claims (9)
1. The utility model provides a fume chamber with simple and easy tail gas treatment facility which characterized in that: including the fume chamber cabinet body, air pipe (9), cabinet internal suction opening (3), static pressure case (5), air filter (4) and air exit (8), the fume chamber cabinet internal be equipped with air pipe (9), be equipped with a plurality of cabinet internal suction openings (3) on air pipe (9), static pressure case (5) establish on the internal up end of fume chamber cabinet, and be located the top of air pipe (9), static pressure case (5) and cabinet internal suction opening (3) intercommunication, air filter (4) install the entrance at static pressure case (5), air exit (8) establish at fume chamber cabinet body top, and be located static pressure case (5) air current low reaches.
2. A fume hood with a simple exhaust gas treatment facility according to claim 1, wherein: the air filter element (4) is an adsorption type air filter element.
3. A fume hood with a simple exhaust gas treatment facility according to claim 1, wherein: and the air filter element (4) is filled with activated carbon particles or iron oxide particles.
4. A fume hood with a simple exhaust gas treatment facility according to claim 1, wherein: the ventilation cabinet body comprises an upper cabinet (1) and a lower cabinet (2), wherein the upper cabinet (1) is arranged at the upper end of the lower cabinet (2).
5. A fume hood with simple tail gas processing facility according to claim 4, characterized in that: the front end face of the upper cabinet (1) is provided with a sliding window (7), and the lower end of the sliding window (7) is in contact connection with the upper end face of the lower cabinet (2).
6. A fume hood with simple tail gas processing facility according to claim 4, characterized in that: the upper end face of the upper cabinet (1) is provided with an access door (6), and the size of the access door (6) is larger than that of the air filter element (4).
7. A fume hood having a simple exhaust gas treating facility according to claim 1 or 4, wherein: the air outlet (8) is positioned on one side of the access door (6) and is arranged on the upper end surface of the upper cabinet (1).
8. A fume hood with a simple exhaust gas treatment facility according to claim 1, wherein: the ventilation pipeline (9) is a special-shaped ventilation pipeline and consists of ventilation pipes.
9. The fume hood with simple exhaust gas treating facility and the exhaust gas treating method according to any one of claims 1 to 8, wherein: the method comprises the following specific steps: firstly, the sliding window (7) is opened, so that the gas to be treated enters the ventilating duct (9) through the air suction opening (3) in the cabinet, then the gas is filtered by the air filter element (4) and then is discharged through the static pressure box (5) and the air outlet (8), and the subsequent treatment is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431282.6A CN111618062A (en) | 2020-05-20 | 2020-05-20 | Fume hood with simple tail gas treatment facility and tail gas treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431282.6A CN111618062A (en) | 2020-05-20 | 2020-05-20 | Fume hood with simple tail gas treatment facility and tail gas treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111618062A true CN111618062A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010431282.6A Pending CN111618062A (en) | 2020-05-20 | 2020-05-20 | Fume hood with simple tail gas treatment facility and tail gas treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111618062A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578908A (en) * | 2021-08-02 | 2021-11-02 | 深圳市嘉鸿顺实业有限公司 | Ventilation cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984970A (en) * | 2015-06-04 | 2015-10-21 | 上海锐石工程技术有限公司 | Inner-outer air supplementing ventilation cabinet |
| CN105772135A (en) * | 2016-04-13 | 2016-07-20 | 合肥九源环境科技有限公司 | Clean bench |
| KR20180114259A (en) * | 2017-03-13 | 2018-10-18 | 주식회사 제이오텍 | Safety Cabinet |
| CN208116367U (en) * | 2018-01-02 | 2018-11-20 | 山东怀智环境科技有限公司 | A kind of auto purification laboratory hood |
| CN110560446A (en) * | 2019-07-01 | 2019-12-13 | 广州三洛环保科技有限公司 | Ventilation cabinet |
| CN212419039U (en) * | 2020-05-20 | 2021-01-29 | 西安长庆科技工程有限责任公司 | Fume chamber with simple and easy tail gas treatment facility |
-
2020
- 2020-05-20 CN CN202010431282.6A patent/CN111618062A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984970A (en) * | 2015-06-04 | 2015-10-21 | 上海锐石工程技术有限公司 | Inner-outer air supplementing ventilation cabinet |
| CN105772135A (en) * | 2016-04-13 | 2016-07-20 | 合肥九源环境科技有限公司 | Clean bench |
| KR20180114259A (en) * | 2017-03-13 | 2018-10-18 | 주식회사 제이오텍 | Safety Cabinet |
| CN208116367U (en) * | 2018-01-02 | 2018-11-20 | 山东怀智环境科技有限公司 | A kind of auto purification laboratory hood |
| CN110560446A (en) * | 2019-07-01 | 2019-12-13 | 广州三洛环保科技有限公司 | Ventilation cabinet |
| CN212419039U (en) * | 2020-05-20 | 2021-01-29 | 西安长庆科技工程有限责任公司 | Fume chamber with simple and easy tail gas treatment facility |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578908A (en) * | 2021-08-02 | 2021-11-02 | 深圳市嘉鸿顺实业有限公司 | Ventilation cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200904 |