CN110779027A - Peculiar smell processing system - Google Patents
Peculiar smell processing system Download PDFInfo
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- CN110779027A CN110779027A CN201910908136.5A CN201910908136A CN110779027A CN 110779027 A CN110779027 A CN 110779027A CN 201910908136 A CN201910908136 A CN 201910908136A CN 110779027 A CN110779027 A CN 110779027A
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- gas
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- peculiar smell
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- transmission pipeline
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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
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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
- B01D53/002—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 condensation
-
- 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
- B01D53/005—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 heat treatment
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- 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
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a peculiar smell processing system, which comprises: a liquid storage tank having a first air outlet; the collecting device is provided with a gas inlet and a second gas outlet, and the gas inlet is communicated with the first gas outlet through a first gas transmission pipeline; the first inlet of the air ejector is communicated with the second air outlet through a second air transmission pipeline so as to suck the peculiar smell gas in the collecting device; and the inlet of the incineration device is communicated with the outlet of the air ejector through a third gas transmission pipeline so as to incinerate the peculiar smell gas sucked in the air ejector. According to the invention, the collection device is used for recovering the peculiar smell gas volatilized by the industrial liquid storage tank, and the air ejector is used for sucking the peculiar smell gas to the incineration device for incineration treatment, so that the peculiar smell generated in the use process of the volatile liquid storage tank is removed, the peculiar smell gas is completely recovered in a sealed manner, the peculiar smell can be effectively removed, and the clean production is facilitated.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a peculiar smell treatment system.
Background
In the chemical production process, especially raw materials, semi-finished products and finished products required in the organic chemical production process, most of the raw materials, semi-finished products and finished products exist in a liquid state, harmful peculiar smell gas is easily volatilized when liquid flows, is stored and changes in the liquid level in a storage tank, peculiar smell is easily generated during loading and unloading, and if the volatilized harmful peculiar smell gas is not treated and directly discharged, the environmental pollution is caused, and harm to the body is generated in different degrees.
Disclosure of Invention
In view of the above problems in the prior art, an aspect of the present invention is to provide an odor treatment system, so as to achieve the purpose of hermetically recovering all the emitted odor, protect the environment, and ensure clean production.
In order to achieve the above object, the present invention provides an odor treatment system for treating odor of liquid volatilized in a liquid storage tank, the odor treatment system comprising:
a liquid storage tank having a first air outlet;
the collecting device is provided with a gas inlet and a second gas outlet, and the gas inlet is communicated with the first gas outlet through a first gas transmission pipeline;
the first inlet of the air ejector is communicated with the second air outlet through a second air transmission pipeline so as to suck the peculiar smell gas in the collecting device;
and the inlet of the incineration device is communicated with the outlet of the air ejector through a third gas transmission pipeline so as to incinerate the peculiar smell gas sucked in the air ejector.
In some embodiments, the collecting device is a condensation recovery device for recovering the odor gas without desublimation characteristic in the liquid storage tank, a condensation pipe is arranged in the condensation recovery device, and a cooling medium is arranged in the condensation pipe; the condensation recovery device is provided with a liquid outlet and is used for discharging the condensate cooled by the condensation recovery device.
In some embodiments, the condenser tubes are groups of finned tubes.
In some embodiments, the collection device is a trap box collector for recovering the off-flavor gas having desublimated characteristics in the liquid storage tank.
In some embodiments, the top of the catch tank collector is provided with the air inlet and the second air outlet, a partition plate is arranged in the catch tank collector, the partition plate is fixedly connected with the inner wall of the catch tank collector, the partition plate is away from the bottom of the catch tank collector by a certain distance to form an air channel, one end of the air channel is communicated with the air inlet, and the other end of the air channel is communicated with the second air outlet.
In some embodiments, the number of the catchment box collectors is at least two, and the catchment box collectors are connected in series in sequence through a pipeline.
In some embodiments, the first gas transmission pipeline is provided with a nitrogen sealing structure.
In some embodiments, the air ejector is a compressed air ejector in which the pressure of the compressed air is 0.4-0.7 MPa.
In some embodiments, the air injector and the third gas transmission pipeline are further provided with heat insulation structures at the periphery.
In some embodiments, the gas pipeline control system further comprises a control unit, wherein the control unit is respectively electrically and/or signal-connected with control valves arranged on the first gas pipeline, the second gas pipeline and the third gas pipeline, and is used for controlling the opening and closing of valves on the gas pipelines and regulating the gas flow in the gas pipelines; the control unit is electrically and/or signal-connected with the air ejector and is used for controlling the gas suction amount of the inlet of the air ejector; the liquid storage tank and the first gas transmission pipeline are both provided with a pressure acquisition device, and the pressure acquisition devices are electrically connected and/or in signal connection with the control unit and used for detecting the pressure in the liquid storage tank and on the first gas transmission pipeline; the collecting device is provided with an emergency relief valve and a breather valve, wherein the emergency relief valve and the breather valve are respectively electrically connected and/or in signal connection with the control unit and used for relieving pressure in emergency.
Compared with the prior art, the peculiar smell treatment system provided by the embodiment of the invention recovers peculiar smell gas volatilized by an industrially used liquid storage tank (such as an industrial naphthalene tank) through the collection device, sucks the peculiar smell gas to the incineration device through the air ejector for incineration treatment, removes peculiar smell generated in the use process of the volatile liquid storage tank, realizes the complete closed recovery of the peculiar smell gas, can effectively remove the peculiar smell, and is beneficial to clean production.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the inventive embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.
Fig. 1 is a schematic structural diagram of an odor treatment system according to an embodiment of the present invention (the odor gas does not have a desublimation characteristic);
fig. 2 is another schematic structural diagram of the odor treatment system according to the embodiment of the present invention (the odor gas has a desublimation characteristic).
Reference numerals:
1-a liquid storage tank and 11-a first air outlet;
101-a first gas transmission pipeline, 102-a second gas transmission pipeline, 103-a third gas transmission pipeline, 104-a fourth gas transmission pipeline and 1011-a nitrogen gas inlet pipeline;
2-a condensation recovery device, 21-an air inlet, 22-a second air outlet, 23-a condensation pipe and 24-a liquid outlet;
2 '-collection box collector, 21' -air inlet, 22 '-second air outlet, 23' -manhole, 201-first collection box collector and 202-second collection box collector;
3-air injector, 31-first inlet, 32-second inlet, 33-first intake control valve, 34-second intake control valve, 35-pressure control mechanism;
4-incineration device, 41-inlet;
5-a control unit; 6-a pressure acquisition device; 71-emergency relief valve, 72-breather valve;
8-unloading pump; 9-a buffer tank; and (20) tank car.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
Fig. 1 and 2 are schematic structural diagrams illustrating an odor treatment system according to an embodiment of the present invention, in which the direction of arrows indicates the flow direction of gas or liquid. As shown in fig. 1 and 2, an embodiment of the present invention provides an odor treatment system for treating odor of liquid volatilized from a liquid storage tank 1, the odor treatment system including:
a liquid storage tank 1 having a first air outlet 11;
the collecting device is provided with an air inlet and a second air outlet, and the air inlet is communicated with the first air outlet 11 of the liquid storage tank 1 through a first air transmission pipeline 101;
the first inlet 31 of the air ejector 3 is communicated with the second air outlet of the collecting device through the second air transmission pipeline 102 so as to suck the peculiar smell gas in the collecting device;
and the inlet 41 of the incineration device 4 is communicated with the outlet of the air injector 3 through a third gas transmission pipeline 103 so as to incinerate the odor gas sucked in the air injector 3.
The peculiar smell treatment system provided by the embodiment of the invention recovers peculiar smell gas volatilized by the industrial liquid storage tank 1 (such as an industrial naphthalene tank) through the collection device, sucks the peculiar smell gas to the incineration device 4 through the air ejector 3 for incineration treatment, removes peculiar smell generated in the use process of the volatile liquid storage tank 1, realizes the hermetic recovery of the peculiar smell gas, can effectively remove the peculiar smell, and is beneficial to clean production.
The odour treatment system further comprises a control unit 5 for controlling the working process of the odour treatment system. The control unit 5 is electrically connected and/or signal-connected to control valves disposed on the first gas transmission pipeline 101, the second gas transmission pipeline 102, and the third gas transmission pipeline 103, respectively, and is configured to control opening and closing of valves on each gas transmission pipeline and adjust gas flow in each gas transmission pipeline. The control unit 5 is electrically and/or signally connected to the air ejector 3, and can automatically control the air suction amount (including the compressed air inlet and the odor inlet) of the air ejector 3.
The peculiar smell processing system further comprises a peculiar smell sensor, the peculiar smell sensor is electrically connected and/or in signal connection with the control unit 5, the peculiar smell sensor can monitor the peculiar smell concentration in real time and transmit the monitored gas peculiar smell information to the control unit 5, and the control unit 5 controls the collecting device, the air ejector 3 and the incineration device 4 to work according to the monitored gas peculiar smell information so as to process the peculiar smell.
In some embodiments, the top of the liquid storage tank 1 and the first gas transmission pipeline 101 are both provided with a pressure acquisition device 6, the pressure acquisition device 6 is electrically and/or signal-connected with the control unit 5 and is used for detecting the pressure in the liquid storage tank 1 and the pressure on the first gas transmission pipeline 101, and the pressure acquisition device 6 adopts a diaphragm form and can realize positive and negative pressure detection within a safe operation range.
In some embodiments, the first gas transmission pipeline 101 is provided with a nitrogen sealing structure for preventing negative pressure, that is, preventing air from entering the liquid storage tank 1 to form explosive gas during negative pressure, so as to reduce safety risk. The nitrogen seal structure includes a nitrogen gas intake pipe 1011 and an intake control valve mounted on the nitrogen gas intake pipe 1011.
In some embodiments, the collection device is determined based on gas phase characteristics of the gas volatilized within the fluid reservoir 1. Specifically, as shown in fig. 1, when the volatilized gas does not have the desublimation characteristic, the collecting device is a condensation recovery device 2, a condensation pipe 23 is arranged in the condensation recovery device 2 to cool the gas for recovery, and a cooling medium is arranged in the condensation pipe 23.
A liquid outlet 24 is arranged at the bottom of the condensation recovery device 2, the odor gas volatilized in the liquid storage tank 1 enters the condensation recovery device 2 from the gas inlet 21 through the first gas transmission pipeline 101, and after the gas is cooled by the condensing pipe 23, most of the gas is liquefied into liquid (condensate) which is discharged and recovered from the liquid outlet 24; the remaining gas, which is not cooled, is discharged from the second air outlet 22 and enters the air ejector 3 for further odor treatment.
The condenser pipes 23 are preferably provided with a plurality of groups of finned pipes which are arranged side by side, so that the cooling area can be increased, and the cooling effect can be improved; the cooling medium may be circulating water or other cryogenic cooling medium to rapidly cool the gas.
In another embodiment, as shown in fig. 2, when the gas volatilized from the liquid storage tank 1 has a desublimation characteristic, the collecting means is a trap tank collector 2' for trapping and recovering the odor gas having a desublimation characteristic in the liquid storage tank 1. The peculiar smell gas enters the collection box collector 2 'from the air inlet 21' through the first air transmission pipeline 101, is desublimated and crystallized in the collection box collector 2 ', and the gas which is not desublimated is discharged through the second air outlet 22' and enters the air ejector 3 for further peculiar smell treatment.
In some embodiments, as shown in fig. 2, the air inlet 21 ' and the second air outlet 22 ' are both disposed at the top of the collection box collector 2 ', a partition is disposed in the collection box collector 2 ', the partition is fixedly connected with the inner wall of the collection box collector 2 ', for example, by sealing welding, the distance between the lower portion of the partition and the bottom of the collection box collector 2 ' is 400 mm and 500mm, an air channel can be formed with the bottom of the collection box collector 2 ', one end of the air channel communicates with the air inlet 21 ', and the other end of the air channel communicates with the second air outlet 22 '. Peculiar smell gas enters from the gas inlet 21 ', and solid materials formed by gas desublimation in the collector 2' of the collection box are attached to the partition plate; the non-desublimed gas passes through the gap between the partition plate and the inner wall, passes through the gas passage located at the lower portion of the partition plate, and is discharged from the second gas outlet 22'.
Further, the partition is preferably a horizontal partition or a partition having a certain inclination angle. In a specific implementation, a plurality of partitions arranged in a staggered manner may be further provided in the catch tank collector 2', and the present invention is not particularly limited.
The baffle is also provided with a flow deflector to guide the gas to flow and intercept and trap the desublimated and crystallized materials on the baffle.
As shown in fig. 2, an inspection manhole 23 ' is opened on the side wall of the collection box collector 2 ' for inspection, maintenance and cleaning of the desublimated material (e.g. desublimated industrial naphthalene) in the collection box collector 2 '.
In specific implementation, at least two collection box collectors 2 'are arranged, and the collection box collectors 2' are connected in series through pipelines. In this embodiment, the catch tank collector 2 'is a primary catch tank collector 201 and a secondary catch tank collector 202 which are arranged in series, the primary catch tank collector 201 and the secondary catch tank collector 202 have the same structure, the second air outlet 22' of the primary catch tank collector 201 is connected with the air inlet 21 'of the secondary catch tank collector 202 through a pipeline, and the second air outlet 22' of the secondary catch tank collector 202 is communicated with the inlet of the air ejector 3.
The peculiar smell gas enters a first-stage trapping box collector 201 and is quenched to a first temperature for desublimation, the desublimed solid material falls on a partition plate of the first-stage trapping box collector 201 by virtue of gravity, the non-desublimed gas in the first-stage trapping box collector 201 enters a second-stage trapping box collector 202 and is quenched to a second temperature, the desublimed solid material falls on the partition plate of the second-stage trapping box collector 202 by virtue of gravity, and the non-desublimed gas enters an air ejector 3.
Further, the first temperature is higher than the second temperature so as to reduce the temperature and desublimate step by step. The primary and secondary collection box collectors with different desublimation temperatures are used for desublimating the peculiar smell gas, so that the peculiar smell gas is recovered, the peculiar smell treatment effect is ensured, and meanwhile, the method is beneficial to resource recycling, energy conservation and consumption reduction.
In the embodiment, the peculiar smell gas with the desublimation characteristic is quenched, so that the peculiar smell gas is desublimated into a solid product for collection and recovery, and the method is simple in process, convenient to operate and reliable in recovery.
In some embodiments, the collecting device is provided with an emergency relief valve 71 and a breathing valve 72, which are electrically and/or signally connected to the control unit 5, respectively, for relieving the pressure in case of an emergency.
If the gas collected by the collecting device still has peculiar smell, the gas is sucked into the burning device 4 through the air ejector 3 to be burned.
The air ejector 3 is a compressed air ejector having a first inlet 31 and a second inlet 32, the first inlet 31 being an odorous gas inlet, the second inlet 32 being a compressed air inlet, the second inlet 32 being connected to a compressed air source via an air supply line 301, and compressed air can be introduced into the air ejector 3 to provide a low pressure environment for drawing off the odorous gas.
A first air inlet control valve 33 for controlling the air suction amount of the first inlet of the air injector 3 is arranged on the second air delivery pipe 102 communicating the first inlet 31 with the second air outlet 22 (or the second air outlet 22') of the collecting device; the compressed air supply line 301 is provided with a second air intake control valve 34 for controlling the intake amount of compressed air in the air injector 3 and a pressure control mechanism 35 for controlling the pressure of the compressed air, and the first air intake control valve 33, the second air intake control valve 34 and the pressure control mechanism 35 are electrically and/or signally connected to the control unit 5, respectively, so that automatic and accurate control can be achieved.
When the gas is sucked, the pressure of the compressed air of the air ejector 3 is preferably 0.4 to 0.7MPa, and the compressed air is heated to above the melting point of the gas so that it can smoothly enter the incineration device 4.
In some embodiments, the air injector 3 and the third gas transmission pipe are provided with heat insulation structures at the periphery thereof to prevent the gas from low-temperature crystallization to block the pipe during the gas suction process.
Specifically, the heat insulating structure is a jacketed pipe or an externally applied pipe, and the jacketed pipe or the externally applied pipe can be heated by a heater such as a steam heater, an oil heater, an electric heater, or the like, so that the temperature of the gas in the air ejector 3 and the gas in the third gas transmission pipeline is maintained in a certain range.
Because the liquid is easy to generate peculiar smell when being loaded and unloaded, in some embodiments, the peculiar smell processing system further comprises an unloading pump 8, the liquid storage tank of the tank car 20 is communicated with the inlet of the liquid storage tank 1 through the unloading pump 8, and the liquid in the liquid storage tank of the tank car 20 can be conveyed to the liquid storage tank 1 through a sealed pipeline by using the unloading pump 8 so as to carry out closed peculiar smell removal.
Further, a buffer tank 9 is arranged at the inlet of the unloading pump 8 and is used for buffering liquid. The entry of buffer tank 9 passes through the pipeline intercommunication with the reservoir of tank wagon 20, and the height that highly is less than the reservoir of tank wagon 20 of buffer tank 9 for liquid in the reservoir can flow automatically and store in getting into buffer tank 9, and the top of buffer tank 9 is equipped with the gas outlet, and the interior volatile gas of buffer tank 9 flows from the gas outlet and carries to collection device through fourth gas transmission pipeline 104 and carry out the peculiar smell and handle, realizes the comprehensive processing of peculiar smell.
In some embodiments, as shown in fig. 1 and 2, the liquid outlet 24 of the condensation recovery device 2 is communicated with the buffer tank 9, so that the condensate cooled by the condensation recovery device 2 can be recovered to the buffer tank 9 for recycling, thereby realizing the recycling of the gas odor and preventing the gas odor from polluting the environment.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (10)
1. An odor treatment system for treating odors in volatile liquid in a liquid reservoir, the odor treatment system comprising:
a liquid storage tank having a first air outlet;
the collecting device is provided with a gas inlet and a second gas outlet, and the gas inlet is communicated with the first gas outlet through a first gas transmission pipeline;
the first inlet of the air ejector is communicated with the second air outlet through a second air transmission pipeline so as to suck the peculiar smell gas in the collecting device;
and the inlet of the incineration device is communicated with the outlet of the air ejector through a third gas transmission pipeline so as to incinerate the peculiar smell gas sucked in the air ejector.
2. The odor treatment system according to claim 1, wherein said collection device is a condensation recovery device for recovering the odor gas without desublimation characteristic in said liquid storage tank, a condensation pipe is provided in said condensation recovery device, and a cooling medium is provided in said condensation pipe; the condensation recovery device is provided with a liquid outlet and is used for discharging the condensate cooled by the condensation recovery device.
3. An odour treatment system according to claim 2, wherein the condenser tubes are groups of finned tubes.
4. The odor management system of claim 1 wherein said collection means is a trap box collector for recovering odor gases having desublimating characteristics from said liquid reservoir.
5. The odor treatment system according to claim 4, wherein the air inlet and the second air outlet are provided at a top of the collection box collector, a partition is provided in the collection box collector, the partition is fixedly connected with an inner wall of the collection box collector, the partition is spaced from a bottom of the collection box collector by a certain distance to form an air passage, one end of the air passage is communicated with the air inlet, and the other end of the air passage is communicated with the second air outlet.
6. The odor management system according to claim 4, wherein there are at least two trap tank collectors, and the trap tank collectors are connected in series by a pipe.
7. An odor treatment system according to any one of claims 1 to 6, wherein a nitrogen seal structure is provided on said first gas transmission pipe.
8. An odour treatment system according to any one of claims 1 to 6, wherein the air ejector is a compressed air ejector in which the pressure of the compressed air is 0.4-0.7 MPa.
9. An odour treatment system according to any one of claims 1 to 6, wherein the air injector and the third air duct are further provided with insulation around their periphery.
10. The odor treatment system according to any one of claims 1 to 6, further comprising a control unit, wherein the control unit is electrically and/or signal-connected to the control valves disposed on the first gas transmission pipeline, the second gas transmission pipeline and the third gas transmission pipeline, respectively, and is configured to control the opening and closing of the valves on the gas transmission pipelines and adjust the gas flow rate in the gas transmission pipelines; the control unit is electrically and/or signal-connected with the air ejector and is used for controlling the gas suction amount of the inlet of the air ejector; the liquid storage tank and the first gas transmission pipeline are both provided with a pressure acquisition device, and the pressure acquisition devices are electrically connected and/or in signal connection with the control unit and used for detecting the pressure in the liquid storage tank and on the first gas transmission pipeline; the collecting device is provided with an emergency relief valve and a breather valve, wherein the emergency relief valve and the breather valve are respectively electrically connected and/or in signal connection with the control unit and used for relieving pressure in emergency.
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|---|---|---|---|
| CN201910908136.5A CN110779027A (en) | 2019-09-24 | 2019-09-24 | Peculiar smell processing system |
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| CN201910908136.5A CN110779027A (en) | 2019-09-24 | 2019-09-24 | Peculiar smell processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298550A (en) * | 2020-02-27 | 2020-06-19 | 萍乡市华星环保工程技术有限公司 | VOCs tail gas treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298550A (en) * | 2020-02-27 | 2020-06-19 | 萍乡市华星环保工程技术有限公司 | VOCs tail gas treatment method |
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