CN110935283A - Zeolite runner desorption gas temperature control system - Google Patents
Zeolite runner desorption gas temperature control system Download PDFInfo
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- CN110935283A CN110935283A CN201911209782.9A CN201911209782A CN110935283A CN 110935283 A CN110935283 A CN 110935283A CN 201911209782 A CN201911209782 A CN 201911209782A CN 110935283 A CN110935283 A CN 110935283A
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- temperature
- regulating valve
- air mixing
- rotating wheel
- desorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—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
- B01D53/06—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 moving adsorbents, e.g. rotating beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a temperature control system for desorption gas of a zeolite rotating wheel, which comprises the zeolite rotating wheel, a first regulating valve, a second regulating valve, a third regulating valve, a waste gas incineration device, a high-temperature air mixing box, a temperature sensor and a control terminal, wherein the zeolite rotating wheel is divided into an adsorption area, a cooling area and a desorption area from bottom to top; a temperature sensor is arranged at an outlet of an air outlet section of the high-temperature air mixing box and is connected with a control terminal, and the control terminal is connected with a first adjusting valve, a second adjusting valve and a third adjusting valve. The invention adjusts the air input through the multi-stage adjusting valve, and the temperature control effect is more stable.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a zeolite rotating wheel desorption gas temperature control system.
Background
With the frequent occurrence of haze weather and the improvement of awareness of people on air quality, atmospheric pollution is increasingly concerned. VOCs are important precursors of haze, OCs treatment industry is developed and vigorous under the background, and how to efficiently treat VOCs waste gas becomes a problem to be solved urgently. The zeolite rotating wheel is important equipment in VOCs waste gas treatment, and efficient adsorption and concentration of VOCs waste gas are realized through continuous adsorption, desorption and cooling. The desorption temperature is an important influence factor for desorbing VOCs on the zeolite rotating wheel, equipment can be damaged due to high desorption temperature, incomplete desorption and low purification efficiency can be caused due to low desorption temperature, and therefore the desorption temperature is particularly important to control. However, the existing desorption gas temperature control is mostly controlled by a single regulating valve, and the temperature is easy to be unstable.
Disclosure of Invention
The invention aims to provide a zeolite rotating wheel desorption gas temperature control system.
The technical solution for realizing the purpose of the invention is as follows: a zeolite runner desorption gas temperature control system comprises a zeolite runner, a first regulating valve, a second regulating valve, a third regulating valve, a waste gas incineration device, a high-temperature air mixing box, a temperature sensor and a control terminal, wherein the zeolite runner is divided into an adsorption area, a cooling area and a desorption area from bottom to top; a temperature sensor is arranged at an outlet of an air outlet section of the high-temperature air mixing box and is connected with a control terminal, and the control terminal is connected with a first adjusting valve, a second adjusting valve and a third adjusting valve.
Further, the first regulating valve, the second regulating valve and the third regulating valve are electric regulating valves or pneumatic regulating valves.
Further, the waste gas incineration device is a heat accumulating type thermal incineration device or a catalytic oxidation device.
Furthermore, an air distribution plate is arranged at an outlet of a high-temperature air mixing section of the high-temperature air mixing box.
Furthermore, the air distribution plate adopts a pore plate or a baffle plate.
Furthermore, the outlets of the air mixing section of the high-temperature air mixing box are respectively provided with a filter.
Compared with the prior art, the invention has the remarkable advantages that: 1) the high-temperature air mixing box is divided into a high-temperature air mixing section and an air mixing section, so that the aim of two-stage mixing of air in a runner cooling area and high-temperature air in a hearth of the waste gas incineration device is fulfilled, the air is mixed more uniformly, and the temperature control precision is higher; 2) the air input is adjusted through the corresponding adjusting valve, so that the temperature control of the rotor wheel desorption gas is realized, and the control effect is more stable.
Drawings
Fig. 1 is a schematic structural diagram of a zeolite rotating wheel desorption gas temperature control system.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
As shown in fig. 1, the temperature control system for desorption gas of the zeolite rotating wheel comprises a zeolite rotating wheel 1, a first regulating valve 2, a second regulating valve 3, a third regulating valve 4, a waste gas incineration device 5, a high-temperature air mixing box 6, a temperature sensor 7 and a control terminal 8, wherein the zeolite rotating wheel 1 is divided into an adsorption region, a cooling region and a desorption region from bottom to top, the high-temperature air mixing box 6 is divided into a high-temperature air mixing section, an air mixing section and an air outlet section from bottom to top, the cooling region of the zeolite rotating wheel 1 is respectively connected with the high-temperature air mixing section and the air mixing section of the high-temperature air mixing box 6 through the first regulating valve 2 and the second regulating valve 3, the air outlet section of the high-temperature air mixing box 6 is connected with the desorption region of the zeolite rotating wheel 1, the desorption region of the zeolite rotating wheel 1 is connected with the waste; a temperature sensor 7 is arranged at an outlet of an air outlet section of the high-temperature air mixing box 6, the temperature sensor 7 is connected with a control terminal 8, and the control terminal 8 is connected with the first regulating valve 2, the second regulating valve 3 and the third regulating valve 4.
First governing valve 2, second governing valve 3, third governing valve 4 adjust cold and hot gas proportion through the governing valve aperture, as an optional means, the governing valve can be electric control valve, also can be pneumatic control valve, specifically sets up according to the application scene demand.
As an optional means, the exhaust gas incineration device 5 may be a regenerative thermal incineration device or a catalytic oxidation device, and is specifically configured according to the requirements of application scenarios.
In some embodiments, an outlet of the high-temperature air mixing section of the high-temperature air mixing box 6 is provided with an air distribution plate, and the form of the air distribution plate can be a pore plate, a baffle plate and the like according to the application scene requirements, and is specifically set according to the application scene requirements.
In some embodiments, filters are respectively arranged at the outlet of the air mixing section of the high-temperature air mixing box 6, and because of the relation of the use temperature, the optimal choice is the high-temperature resistant filter.
The system specifically works as follows: outside air is divided into two paths of high-temperature air mixing sections and air mixing sections which respectively enter a high-temperature air mixing box 6 after passing through a cooling area of a zeolite runner 1, air cooling gas and high-temperature gas from a hearth of a waste gas incineration device 5 are mixed at the high-temperature air mixing sections to form primary desorption gas, the primary desorption gas and the air cooling gas are further mixed and cooled at the air mixing sections to form runner desorption gas, the runner desorption gas is filtered by a filter and then enters a desorption area of the zeolite runner 1 through an air outlet section, and the desorbed waste gas enters the waste gas incineration device 5 to be incinerated and then is discharged. When the system is debugged, calculating the ventilation volume of each pipeline according to the diameter of the pipeline corresponding to each regulating valve and the gas temperature, setting the initial positions of the first regulating valve 2, the second regulating valve 3 and the third regulating valve 4, and fixing the position of the first regulating valve 2, thereby controlling the temperature of the desorbed gas to be regulated to a set value; when the system operates, the temperature transmitter 7 detects the temperature of the desorbed gas, and transmits the detected data to the control terminal 8, and the control terminal adjusts the opening degree of the second regulating valve 3 and the third regulating valve 4 according to the detected temperature to realize the control of the temperature of the desorbed gas, if the temperature of the desorbed gas is too high, the opening degree of the second regulating valve 3 is increased, the opening degree of the third regulating valve 4 is decreased, the air inflow of the cold air is increased, otherwise, the opening degree of the second regulating valve 3 is decreased, and the opening degree of the third regulating valve 4 is increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. A zeolite rotating wheel desorption gas temperature control system is characterized by comprising a zeolite rotating wheel (1), a first regulating valve (2), a second regulating valve (3), a third regulating valve (4), a waste gas burning device (5), a high-temperature air mixing box (6), a temperature sensor (7) and a control terminal (8), wherein the zeolite rotating wheel (1) is divided into an adsorption area, a cooling area and a desorption area from bottom to top, the high-temperature air mixing box (6) is divided into a high-temperature air mixing section, an air mixing section and an air outlet section from bottom to top, the cooling area of the zeolite rotating wheel (1) is connected with the high-temperature air mixing section and the air mixing section of the high-temperature air mixing box (6) respectively through a first regulating valve (2) and a second regulating valve (3), the air outlet section of the high-temperature air mixing box (6) is connected with the desorption area of the zeolite rotating wheel (1), the desorption area of the zeolite rotating wheel (1) is connected with a waste gas incineration device (5), and the waste gas incineration device (5) is connected with the high-temperature air mixing section of the; an outlet of an air outlet section of the high-temperature air mixing box (6) is provided with a temperature sensor (7), the temperature sensor (7) is connected with a control terminal (8), and the control terminal (8) is connected with a first regulating valve (2), a second regulating valve (3) and a third regulating valve (4).
2. The zeolite rotating wheel desorption gas temperature control system of claim 1, wherein the first regulating valve (2), the second regulating valve (3) and the third regulating valve (4) are electric regulating valves or pneumatic regulating valves.
3. The zeolite wheel desorption gas temperature control system of claim 1 wherein the exhaust gas incineration device (5) is a regenerative thermal incineration device or a catalytic oxidation device.
4. The zeolite rotating wheel desorption gas temperature control system of claim 1, wherein a wind distribution plate is arranged at the outlet of the high-temperature wind mixing section of the high-temperature wind mixing box (6).
5. The zeolite rotating wheel desorption gas temperature control system of claim 4, wherein the air distribution plate adopts a pore plate or a baffle plate.
6. The zeolite rotary wheel desorption gas temperature control system of claim 1, wherein the outlets of the air mixing sections of the high-temperature air mixing boxes (6) are respectively provided with a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209782.9A CN110935283A (en) | 2019-12-01 | 2019-12-01 | Zeolite runner desorption gas temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209782.9A CN110935283A (en) | 2019-12-01 | 2019-12-01 | Zeolite runner desorption gas temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110935283A true CN110935283A (en) | 2020-03-31 |
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ID=69908648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911209782.9A Pending CN110935283A (en) | 2019-12-01 | 2019-12-01 | Zeolite runner desorption gas temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110935283A (en) |
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2019
- 2019-12-01 CN CN201911209782.9A patent/CN110935283A/en active Pending
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