CN214513298U - Long-acting chemical filter unit - Google Patents
Long-acting chemical filter unit Download PDFInfo
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- CN214513298U CN214513298U CN202120578772.9U CN202120578772U CN214513298U CN 214513298 U CN214513298 U CN 214513298U CN 202120578772 U CN202120578772 U CN 202120578772U CN 214513298 U CN214513298 U CN 214513298U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
A long-acting chemical filter unit belongs to the technical field of chemical filter equipment. The chemical filter unit among the prior art easily appears the dead band, can't initiatively detect import and export air quality and cross the unbalanced problem that causes too high waste of wind. The second casing constitutes the static pressure case, through the intercommunication or the disconnection of first blast gate control static pressure case and air intake, through the intercommunication or the disconnection of second blast gate control one-level filtering section and air intake, correspond the intercommunication or the disconnection between control static pressure case and second grade filtering section and the tertiary filtering section through third blast gate and fourth blast gate, the gaseous detection instrument of second sets up at tertiary filtering section rear, the gaseous air outlet of seeing off through the fan after final filtration, realize the intelligent control to filter unit through the intelligent control case. The optimal filtering scheme path is intelligently selected after the air quality of the indoor air inlet is detected, and the passing path is intelligently controlled to be arranged for the entering air by opening and closing each air valve.
Description
Technical Field
The utility model relates to a long-term chemical filter unit belongs to chemical filtration equipment technical field.
Background
At present, in the environments of the fields of petroleum and chemical industry, hazardous chemical storage, non-ferrous metal metallurgy industry, semiconductor industry, solar silicon industry, paper mills, electronic factories, laboratories and the like, trace amounts of NOx, CL2, H2S, SO2, C2H2, CnHm, mechanical impurities and the like are generated in the production and manufacturing process, if the substances are directly discharged into the air, serious environmental pollution and potential safety hazards can be caused, the content of the substances is usually in a wide range from a large concentration to the level of only 10-digit ppm or single-digit ppm, and is tiny even less than 1 ppm. Such pollutant emissions require specialized exhaust gas treatment equipment to filter them to meet outdoor emissions standards.
The chemical filter unit in the prior art (as shown in fig. 3) comprises an air inlet, a first-stage filter material filling section, a second-stage filter material filling section, an air outlet, a filter material replacement operation port and the like which are integrated in a prying block, is designed, assembled and pressure-tested in a factory and then leaves the factory, and can be applied to areas needing waste gas treatment and the like. The working principle is as follows: harmful gas enters the chemical filter unit from the air inlet and then reaches the first-stage filter material filling section to perform primary adsorption and filtration on the harmful substances, and then is directly subjected to secondary adsorption through the second-stage filter material filling section, and is discharged through the air outlet after being filtered (the process needs a fan to provide power for the gas) to complete waste gas treatment. However, such a chemical filter unit has the following disadvantages:
all the filter sections do not stop working during the working period of the equipment due to the solidified filter sections and the filter paths, so that the service life of the filter material is locally and rapidly lost, the optimal saturated adsorption value of all the filter materials cannot be reached, and the use cost of the filter material is excessively and rapidly replaced;
in the using process, the filter material particles naturally settle, so that no filter material is filled at the top of the filter section, and a vacant section is formed, so that harmful gas directly passes through the vacant section;
the air quality of an inlet and an outlet cannot be actively detected, only a detector is additionally arranged at the later stage for monitoring, but the operation of a fan cannot be adjusted according to the air quality, and the operation is performed at one stage;
due to unbalanced overfire air, the filter material is partially invalid or saturated, and is replaced when the use efficiency is less than sixty percent, so that high waste and high cost are caused;
still need install the fan additional after equipment arrives the scene, increase the cost of labor, and the fan can not link filter material filtration efficiency and come the operation.
Disclosure of Invention
The utility model relates to a solve above-mentioned technical problem, and then provide a long-term chemical filter unit.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a long-acting chemical filter unit comprises a first shell, a second shell fixedly arranged above the first shell, an air inlet and an air outlet which are respectively arranged at two ends of the first shell, a first gas detector, a second gas detector, a flow equalizing section, a first-stage filtering section, a second-stage filtering section, a third-stage filtering section, an intelligent control box and a fan, wherein the first gas detector, the second gas detector, the flow equalizing section, the first-stage filtering section, the second-stage filtering section, the third-stage filtering section and the fan are integrally arranged in the first shell, the first air valve is arranged at the inlet of the static pressure box, the first air valve is used for controlling the connection or disconnection between the static pressure box and the air inlet, the second air valve is arranged at the inlet of the flow equalizing section, the first-stage filtering section, the second-stage filtering section and the third-stage filtering section are sequentially arranged from front to back, the connection or disconnection between the first-stage filtering section and the air inlet is controlled by the second air valve, and a third air valve is arranged at the position, which is positioned between the first-stage filtering section and the second-stage filtering section, on the static pressure box, the fourth blast gate is installed to the position that lies in between second grade filter stage and the tertiary filter stage on the static pressure case, corresponds intercommunication or the disconnection between control static pressure case and second grade filter stage and the tertiary filter stage through third blast gate and fourth blast gate, and the gaseous detection instrument setting of second is in tertiary filter stage rear, and the gaseous air outlet of seeing off to the air outlet through the fan after final filtration realizes the intelligent control to filter unit through the intelligent control case.
Furthermore, the top end of each stage of filter section is provided with a filter material filling port.
Furthermore, the filling opening of the filter material is higher than the top of the first shell by 3-5 cm.
Furthermore, the lower part of each stage of filter section is provided with a filter material replacing port.
Furthermore, an access door is arranged on the first shell body and close to the air outlet.
Furthermore, the air inlet and the air outlet are respectively reserved with a butt flange.
Furthermore, the flow equalizing section is of a trumpet-shaped structure, the small-diameter end of the flow equalizing section is arranged close to the air inlet, and the large-diameter end of the flow equalizing section is arranged close to the primary filtering section.
Furthermore, a flow guide air sheet is arranged in the flow equalizing section.
Compared with the prior art, the utility model has the following effect:
this application adopts the controllable route design of advanced control system and box, detects the best filtration scheme route of back intelligent selection to indoor air intake air quality, and intelligent control passes through the route for getting into gaseous arrangement through opening, closing each blast gate, according to gaseous harmful substance concentration value, can select to use individual layer or double-deck filter segment, the effectual life who increases the filter material.
The air quality state is detected in real time by additionally arranging the gas detector at the air inlet and the air outlet, and the information opening port is arranged, so that a user can directly acquire information and incorporate the information into the centralized control system to monitor and prompt the running state of the filter material in real time.
Drawings
FIG. 1 is a schematic front view of the present application;
FIG. 2 is a schematic top view (not to scale) of the present application;
fig. 3 is a schematic structural diagram of a filter unit in the prior art.
Detailed Description
The first embodiment is as follows: the embodiment is described by combining fig. 1-2, a long-acting chemical filter unit, which comprises a first casing 1, a second casing 2 fixedly mounted above the first casing 1, an air inlet 3 and an air outlet 4 respectively arranged at two ends of the first casing 1, a first gas detector 5, a second gas detector 6, a flow equalizing section 7, a first-stage filtering section 8, a second-stage filtering section 9, a third-stage filtering section 10, an intelligent control box 11 and a fan 12 integrally arranged in the first casing 1, wherein the first gas detector 5 is arranged close to the air inlet 3, the second casing 2 forms a static pressure box, a first air valve 13 is arranged at an inlet of the static pressure box, the static pressure box is controlled to be communicated or disconnected with the air inlet 3 by the first air valve 13, a second air valve 14 is arranged at an inlet of the flow equalizing section 7, the first-stage filtering section 8, the second-stage filtering section 9 and the third-stage filtering section 10 are sequentially arranged from front to back, and the first-stage filtering section 8 is controlled to be communicated or disconnected with the air inlet 3 by the second air valve 14, third blast gate 15 is installed to the position that lies in between one-level filtering section 8 and the second grade filtering section 9 on the static pressure case, fourth blast gate 16 is installed to the position that lies in between second grade filtering section 9 and tertiary filtering section 10 on the static pressure case, correspond the intercommunication or the disconnection between control static pressure case and second grade filtering section 9 and tertiary filtering section 10 through third blast gate 15 and fourth blast gate 16, second gas detection instrument 6 sets up at tertiary filtering section 10 rear, the gas after the final filtration sends out to air outlet 4 through fan 12, realize the intelligent control to filter unit through intelligence case 11. The whole filter unit is integrated in a prying block, a highly integrated scheme is adopted, factory integration is carried out on the fan 12, the control, gas detection instrument and the air valve, and the fan leaves a factory after design, assembly and pressure test are completed in a factory.
Four air valves are arranged in the unit and used for adjusting the air path.
Through adding the section 7 that flow equalizes for gas homodisperse passes through, has avoided appearing the filter material local failure or the saturation phenomenon appears, increases filter material life by a wide margin.
By arranging the static pressure box, the wind noise is reduced, and the static pressure box is used as a main air duct for various ventilation paths.
The front and rear parts of the first shell 1 are provided with gas detectors. A first gas detector 5 for detecting the concentration of the harmful material, thereby allocating an optimal ventilation path; the second gas detector 6 is used for detecting the air quality when discharging, so that whether the filter material needs to be replaced or not and whether the filter section has a problem or not can be known.
The intelligent control box 11 is an electrical component integration box.
This application adopts the controllable route design of advanced control system and box, detects the best filtration scheme route of back intelligent selection to 3 air quality of indoor air intake, and intelligent control passes through the route for getting into gaseous arrangement through opening, closing each blast gate, according to gaseous harmful substance concentration value, can select to use monolayer or double-deck filter segment, the effectual life who increases the filter material.
This application is advancing, 4 departments of air outlet have installed gaseous detecting instrument additional, real-time detection air quality state to set up the open port of information in the intelligence accuse incasement, the user can directly carry out information acquisition and incorporate centralized control system and monitor real-time demonstration air quality and filter material user state.
The working principle is as follows:
harmful gas gets into the unit by air intake 3, and at this moment, first gas detection instrument 5 begins to detect the gas that gets into, detects and accomplishes back intelligent control case 11 and can carry out the interval to the detected value and compare, controls each blast gate according to the testing result and come to arrange the filtration route for gas. The filtering paths are divided into three types, path one: the second air valve 14 is opened, other air valves are closed, and the gas sequentially passes through the primary, secondary and tertiary filtering sections 10; and a second route: the first air valve 13 and the third air valve 15 are opened, other air valves are closed, and the gas sequentially passes through the secondary filtering section 9 and the tertiary filtering section 10; path three: the first damper 13 and the fourth damper 16 are opened and the other dampers are closed, and the gas passes through the tertiary filter stage 10. And the gas reaches the area of the second gas detector 6 after being filtered to be subjected to filtered gas detection, the quality of the discharged gas is detected, and if the gas is unqualified, an alarm is given to prompt a user that the equipment has problems. The whole filtering process is powered by the fan 12, and finally the filtered gas reaches the air outlet 4 and is discharged.
In the actual use process, different filter materials can be added into the first-level to third-level filtering sections 10 according to actual filtering requirements, and a certain gas path is used for judging the components of the entering gas to carry out high-efficiency filtering.
The top end of each stage of filtering section is provided with a filtering material filling port 17. This application improves the charge door among the prior art, makes the charge door exceed the equipment top, filter material filler opening 17 in this application promptly, and the filter material still can keep the filter segment to have no vacant section after subsiding.
The filter material filling opening 17 is 3-5 cm higher than the top of the first shell 1. The filter material sedimentation prevention device is used for preventing the situations that the filter material is settled or naturally compacted at the bottom and the like after the filter material is transported and operated after being full of, so that the top of the filter section is changed into an empty section and appears on site.
The lower part of each stage of filtering section is provided with a filtering material replacing port 18. And an upward push-pull type door opening mode is adopted, so that the material is discharged for use when the filter material is replaced.
An access door 19 is arranged on the first shell 1 near the air outlet 4. Due to the design, the maintenance and the replacement of the fan 12 are convenient.
The air inlet 3 and the air outlet 4 are respectively reserved with a butt flange.
The flow equalizing section is of a trumpet-shaped structure, the small-diameter end of the flow equalizing section is arranged close to the air inlet, and the large-diameter end of the flow equalizing section is arranged close to the primary filtering section. The gas dispersion effect is ensured.
And a flow guide air sheet is arranged in the flow equalizing section 7. So design for gaseous homodisperse passes through, has further avoided the filter segment to appear filter material local failure or the saturation phenomenon appears, increases filter material life by a wide margin.
Claims (8)
1. A long-acting chemical filter unit, characterized in that: it includes first casing (1), adorn second casing (2) in first casing (1) top admittedly, set up air intake (3) and air outlet (4) at first casing (1) both ends respectively, integrated first gas detection instrument (5) of arranging in first casing (1), second gas detection instrument (6), the section of flow equalizing (7), one-level fillter section (8), second grade fillter section (9), tertiary fillter section (10), intelligent control case (11) and fan (12), first gas detection instrument (5) are close to air intake (3) and set up, and second casing (2) constitute the static pressure case, and first air valve (13) are installed to the entrance of static pressure case, through the intercommunication or the disconnection of first air valve (13) control static pressure case and air intake (3), and second air valve (14) are installed to the entrance of the section of flow equalizing (7), one-level fillter section (8), second grade fillter section (9), Tertiary filter section (10) is by arranging in proper order after to before, through the intercommunication or the disconnection of second blast gate (14) control one-level filter section (8) and air intake (3), the third blast gate (15) are installed to the position that lies in between one-level filter section (8) and secondary filter section (9) on the static pressure case, fourth blast gate (16) are installed to the position that lies in between secondary filter section (9) and tertiary filter section (10) on the static pressure case, through third blast gate (15) and fourth blast gate (16) correspondence control static pressure case and secondary filter section (9) and tertiary filter section (10) between intercommunication or the disconnection, second gas detection instrument (6) set up in tertiary filter section (10) rear, final filtered gas is seen off to air outlet (4) through fan (12), realize the intelligent control to the filter unit through intelligent accuse case (11).
2. A long-life chemical filter train as claimed in claim 1, wherein: the top end of each stage of filtering section is provided with a filtering material filling port (17).
3. A long-life chemical filter train as claimed in claim 2, wherein: the filter material filling opening (17) is 3-5 cm higher than the top of the first shell (1).
4. A long-life chemical filter set according to claim 1, 2 or 3, wherein: the lower part of each stage of filtering section is provided with a filtering material replacing port (18).
5. A long-life chemical filter train as claimed in claim 1, wherein: an access door (19) is arranged on the first shell (1) and close to the air outlet (4).
6. A long-life chemical filter set according to claim 1, 2, 3 or 5, wherein: the air inlet (3) and the air outlet (4) are respectively reserved with a butt flange.
7. A long-life chemical filter train as claimed in claim 1, wherein: the flow equalizing section (7) is of a trumpet-shaped structure, the small diameter end of the flow equalizing section is arranged close to the air inlet, and the large diameter end of the flow equalizing section is arranged close to the primary filtering section.
8. A long-life chemical filter train as claimed in claim 7, wherein: and a flow guide air sheet is arranged in the flow equalizing section (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578772.9U CN214513298U (en) | 2021-03-22 | 2021-03-22 | Long-acting chemical filter unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578772.9U CN214513298U (en) | 2021-03-22 | 2021-03-22 | Long-acting chemical filter unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214513298U true CN214513298U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120578772.9U Active CN214513298U (en) | 2021-03-22 | 2021-03-22 | Long-acting chemical filter unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214513298U (en) |
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2021
- 2021-03-22 CN CN202120578772.9U patent/CN214513298U/en active Active
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