CN111569602B - Safe and efficient core volatile pollutant removing and purifying device - Google Patents
Safe and efficient core volatile pollutant removing and purifying device Download PDFInfo
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- CN111569602B CN111569602B CN202010401361.2A CN202010401361A CN111569602B CN 111569602 B CN111569602 B CN 111569602B CN 202010401361 A CN202010401361 A CN 202010401361A CN 111569602 B CN111569602 B CN 111569602B
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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
- B01D53/04—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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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/306—Alkali metal compounds of potassium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
Abstract
The invention discloses a safe and efficient device for removing and purifying volatile pollutants of a rock core, which is characterized in that a high-efficiency volatilization module is designed, so that the volatile pollutants attached to the rock core can be volatilized quickly, and the damage of high temperature or low temperature to the rock core is avoided; the temperature control module adjusts the operating temperature of the system, so that the device has the working capacity of being suitable for extremely high-temperature and extremely low-temperature environments; through the association of the air exhaust module and the pressure sensor, the device is ensured to be in negative pressure operation, and volatile pollutants are prevented from being emitted to the periphery of the device without being treated; the purification module is used for purifying volatile pollutants, so that the influence on the environment is reduced; and the safety measurement and control module is used for detection, automatic control and safety early warning. The method has the characteristics of short time for removing volatile pollutants of the rock core, strong environmental adaptability, low environmental influence, high automation degree and the like.
Description
Technical Field
The invention relates to a volatile pollutant purification device, in particular to a safe and efficient core volatile pollutant removal and purification device.
Background
At present, the situation of shortage of energy and mineral resources generally exists in the global scope, and petroleum and natural gas resources which are one of main energy resources have the characteristics of wide distribution, large scale and the like, particularly natural gas has the characteristics of cleanness, high efficiency and easy utilization, and is important energy for economic construction in China. However, because of the imbalance of exploration and development of oil and gas resources in China, the development degree of oil and gas on land has been greatly developed after decades, however, with the rapid development of economy in China in recent years, the oil and gas and mineral resources on land are more and more difficult to meet the economic requirement. The development of marine oil and gas resources is still in the infancy stage as opposed to the situation where onshore oil and gas faces severe shortages. Therefore, the method seeks a way for oceans with rich energy sources, and accelerates the search of new oil gas and new types of energy sources in the sea area, and is an effective way for making up for the shortage of onshore oil gas and mineral resources. Compared with land drilling conditions, marine drilling conditions have more strict requirements in terms of temperature, humidity, space, time and the like. Thus, drill-out cores have stringent requirements for storage, volatile contaminant removal, and decontamination.
At present, no safe and efficient example for removing and purifying volatile pollutants of the rock core exists in China. Hydrogen sulfide (H) of International Marine drilling Specification 33 (ODPTechnical Note 33) 2 And S) recording the monitoring, prevention and coping measures of the volatile pollutants of the rock core in the drilling emergency plan. At present, volatile pollutants in a mined core are removed by adopting a natural volatilization method generally, the pollutants are volatilized into an atmospheric environment directly, and the method cannot control the removal rate of the pollutants and the harm of the pollutants to the environment. For ocean drilling, the limited working space and time, which means increased hazard of contamination to workers, also requires more storage space.
China does not stipulate the removal rate of volatile pollutants of the rock core and control the pollutants, but internationally stipulates the removal and control of the pollutants of the rock core, the protection of personnel and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to safely and efficiently remove volatile pollutants of a rock core and purify the volatile pollutants.
In order to solve the technical problem, the technical scheme of the invention provides a safe and efficient core volatile pollutant removing and purifying device which is characterized by comprising an efficient volatilization module for placing a core with volatile pollutants, a temperature control module for controlling the temperature of the volatile pollutants output by the efficient volatilization module, a purification module for purifying the volatile pollutants output by the efficient volatilization module, an air exhaust module for introducing outside air into the efficient volatilization module, and a safety measurement and control module for detecting the temperature of air flow entering the efficient volatilization module, the air pressure in the efficient volatilization module and the concentration of the volatile pollutants in the purified air flow, wherein an air inlet of the efficient volatilization module is respectively connected with an air supplement port of the air exhaust module and an air outlet of the temperature control module, an air outlet of the efficient volatilization module is respectively connected with an air inlet of the temperature control module and an air inlet of the purification module, and an air outlet of the purification module is provided with a fan or an air exhaust pipe for exhausting the purified air into the atmosphere.
Preferably, the efficient volatilization module comprises a first air flow distribution unit and a core display unit, wherein an air inlet of the first air flow distribution unit is respectively connected with an air outlet of the temperature control module and an air supply port of the air exhaust module, an air outlet of the first air flow distribution unit is connected with the core display unit, and an air outlet of the core display unit is respectively connected with an air inlet of the temperature control module and an air inlet of the purification module.
Preferably, the speed deviation of the airflow discharged from the air outlet of the first airflow distribution unit is less than 5%; the temperature of the air flow at the air inlet of the high-efficiency volatilization module is between 5 and 35 ℃; the flow velocity of the gas in the high-efficiency volatilization module is between 0.01 and 0.5 m/s; the static pressure of the airflow at the air outlet of the high-efficiency volatilization module is between 250 Pa below zero and 10Pa below zero.
Preferably, the temperature control module comprises a circulating fan and a temperature adjusting unit, an inlet of the circulating fan is connected with an air outlet of the high-efficiency volatilization module, an outlet of the circulating fan is connected with an inlet of the temperature adjusting unit, and an outlet of the temperature adjusting unit is connected with an air inlet of the high-efficiency volatilization module.
Preferably, the purification module comprises a second air flow distribution unit and at least one volatile pollutant purification unit, an air inlet of the second air flow distribution unit is connected with an air outlet of the high-efficiency volatilization module, an air outlet of the second air flow distribution unit is connected with an air inlet of the volatile pollutant purification unit, an air inlet of an air exhaust fan of the volatile pollutant purification unit is connected with an air outlet of the air exhaust fan, and the air outlet of the air exhaust fan is connected with the atmosphere or an exhaust air pipe.
Preferably, the air flow speed deviation discharged from the air outlet of the second air flow distribution unit is less than 5%.
Preferably, the volatile contaminant purification unit comprises a species of H 2 An S purification unit and an HC purification unit (i.e., hydrocarbon purification unit); the air outlet of the second air flow distribution unit is connected with the air inlet of the HC purification unit, and the air outlet of the HC purification unit is connected with the H 2 S air intake of the purification Unit, H 2 And an air outlet of the S purification unit is connected with an air inlet of the air exhaust fan.
Preferably, an adsorbent for adsorbing HC is arranged in the HC purification unit, and the adsorbent for adsorbing HC is one or more of granular activated carbon, monolithic activated carbon fiber, granular molecular sieve and monolithic molecular sieve; h 2 The S purification unit is internally provided with a gas-liquid separator for adsorbing H 2 Adsorbent of S for adsorbing H 2 The S adsorbent comprises alkaline substance and carrier, wherein the alkaline substance is NaOH, KOH, KI, na 2 CO 3 And NaHCO 3 The carrier is one or more than one of granular activated carbon, integral activated carbon and integral activated carbon fiber; each adsorbent is packaged into a whole and placed in the purification module in a drawer type structure.
Preferably, the exhaust module comprises a one-way air door and a flow-adjustable fan, an air outlet of the one-way air door is connected with an air inlet of the flow-adjustable fan, and an air outlet of the flow-adjustable fan is connected with an air inlet of the high-efficiency volatilization module.
Preferably, the safety measurement and control module comprises a temperature sensor, a pressure sensor and at least one volatile pollutant concentration sensor, and the type of the volatile pollutant concentration sensor is the same as that of the volatile pollutant purification unit in the purification module; the temperature sensor is arranged at an air outlet of the temperature control module in the high-efficiency volatilization module, the pressure sensor is arranged at an air outlet in the high-efficiency volatilization module, and the volatile pollutant concentration sensor is arranged at an air outlet in the purification module.
Preferably, the efficient volatilization module, the air exhaust module, the temperature control module, the purification module and the safety measurement and control module are all arranged in the frame; the frame is provided with a heat-insulating layer.
Preferably, the first air flow distribution unit is a first gas distributor, and the core display unit is a core display chamber with multiple layers of cores inside.
Preferably, the second gas flow distribution unit is a second gas distributor.
According to the safe and efficient device for removing and purifying the volatile pollutants of the core, the volatile pollutants attached to the core can be quickly volatilized by designing the efficient volatilization module, and meanwhile, the core is prevented from being damaged by high temperature or low temperature; the temperature control module adjusts the operating temperature of the system, so that the device has the working capacity of adapting to the extremely high-temperature and extremely low-temperature environments; through the association of the air exhaust module and the pressure sensor, the device is ensured to be in negative pressure operation, and volatile pollutants are prevented from being emitted to the periphery of the device without being processed; the purification module is used for purifying volatile pollutants, so that the influence on the environment is reduced; and the safety measurement and control module is used for detection, automatic control and safety early warning.
The device is used for removing and purifying newly-mined core volatile pollutants, and the core volatile pollutants can be removed within 2-3 h under the environment condition of-35-45 ℃; so that H in the exhaust gas 2 S content is less than 0.01ppmv, HC content is less than 0.1ppmv; so that the periphery of the device of the invention has no H 2 S and HC.
The method has the characteristics of short time for removing the volatile pollutants of the rock core, strong environmental adaptability, low influence on the environment, high automation degree and the like, and can solve the problems of long time for removing the volatile pollutants of the rock core by adopting the traditional natural volatilization method and influence on the environment and the health of workers.
Drawings
Fig. 1 is a schematic structural diagram of a safe and efficient core volatile pollutant removal and purification device.
Detailed Description
The details of the present invention are described in detail below with reference to fig. 1: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, in this embodiment, the safe and efficient core volatile pollutant removing and purifying apparatus of the present invention includes an apparatus frame 01, a core display chamber 02, a circulating fan 06, a temperature adjusting unit 07, an HC purifying unit 09, and an H purifying unit H 2 The system comprises an S purification unit 10, an exhaust fan 11, a first gas distributor 04 and a second gas distributor 08.
Place the rock core of taking volatile pollutant in the high-efficient module that volatilizees, the high-efficient module that volatilizees includes first airflow distribution unit, rock core display unit. The air inlet of the first air flow distribution unit is respectively connected with the air outlet of the temperature control module and the air supplement port of the air exhaust module, the air outlet of the first air flow distribution unit is connected with the core display unit, and the air outlet of the core display unit is respectively connected with the air inlet of the temperature control module and the air inlet of the purification module. The first air distribution unit is a first gas distributor 04, the core display unit is a core display chamber 02, and a plurality of layers of cores 05 which are sequentially arranged in the air flow direction are arranged in the core display chamber 02. The air flow speed deviation discharged from the air outlet of the first air flow distribution unit is less than 5 percent; the temperature of the air flow at the air inlet of the high-efficiency volatilization module is between 5 and 35 ℃; the gas flow velocity in the high-efficiency volatilization module is between 0.01 and 0.5 m/s; the static pressure of the air flow at the air outlet of the high-efficiency volatilization module is between-250 Pa and-10 Pa.
The temperature control module is used for controlling the volatile pollutant temperature of the high-efficient module output that volatilizees, and the temperature control module includes circulating fan 06, thermoregulation unit 07, and circulating fan 06's entry linkage high-efficient module that volatilizees air outlet, and circulating fan 06's export links to each other with thermoregulation unit 07's entry, and thermoregulation unit 07's export links to each other with the income wind gap of high-efficient module that volatilizees.
The purification module is used for purifying the volatile pollutants output by the high-efficiency volatilization module, the purification module comprises a second airflow distribution unit and at least one volatile pollutant purification unit, an air inlet of the second airflow distribution unit is connected with an air outlet of the high-efficiency volatilization module, an air outlet of the second airflow distribution unit is connected with an air inlet of the volatile pollutant purification unit, and the volatile pollutants are volatilizedThe air outlet of the air exhaust fan 11 of the sex pollutant purification unit is connected with the air inlet of the air exhaust fan 11 or an air exhaust pipe. The second gas flow distribution unit is a second gas distributor 08. The air flow speed deviation of the air outlet of the second air flow distribution unit is less than 5%. In this embodiment, the volatile contaminant purifying unit includes a kind of H 2 An S purification unit 10 and an HC purification unit 09; the air outlet of the second air flow distribution unit is connected with the air inlet of the HC purification unit 09, and the air outlet of the HC purification unit 09 is connected with H 2 S air intake of the purification unit 10, H 2 The air outlet of the S purification unit 10 is connected with the air inlet of the exhaust fan 11.
The air exhaust module is used for introducing outside air into the high-efficiency volatilization module, the air exhaust module comprises a one-way air door 03 and a flow-adjustable fan, the air outlet of the one-way air door 03 is connected with the air inlet of the flow-adjustable fan, and the air outlet of the flow-adjustable fan is connected with the air inlet of the high-efficiency volatilization module. In this embodiment, the air supply opening of the air exhaust module is the air outlet of the flow-adjustable fan.
The safety measurement and control module is used for detecting the temperature of the air flow entering the efficient volatilization module, the air pressure in the efficient volatilization module and the concentration of the volatile pollutants in the purified air flow, the safety measurement and control module comprises a temperature sensor 12, a pressure sensor 13 and at least one volatile pollutant concentration sensor, and the type of the volatile pollutant concentration sensor is the same as that of the volatile pollutant purification unit in the purification module; temperature sensor 12 locates the air outlet department that is located temperature control module in the high-efficient module of volatilizing, and pressure sensor 13 locates the air outlet department in the high-efficient module of volatilizing, and volatile pollutant concentration sensor locates the air outlet department in the purification module.
The air inlet of the first gas distributor 04 of the high-efficiency volatilization module is respectively connected with the air supplementing port of the exhaust module and the air outlet of the temperature adjusting unit 07 of the temperature control module, the air outlet of the high-efficiency volatilization module is respectively connected with the air inlet of the circulating fan 06 of the temperature control module and the air inlet of the second gas distributor 08 of the purification module, and the air outlet of the purification module directly exhausts air or exhausts an air pipe through the exhaust fan 11.
High-efficient module, temperature control module, purification module, the module of airing exhaust, safety measure and control module all locate in frame 01. The frame 01 is made of carbon steel or stainless steel, and the frame 01 is also provided with a heat-insulating layer.
The core 05 with the specification phi of 150-1000 is arranged in the core display chamber 02, and the cores are arranged in layers in the horizontal direction at an interval of 100mm. And a first gas distributor 04 is arranged at the position 200mm high on the top layer of the core. The top of the core display chamber 02 is provided with a one-way air door 03 to ensure that only environmental gas can flow into the chamber.
The circulation fan 06 may be an axial flow fan.
The temperature control unit 07 may be a temperature control system or a heat exchanger, and when the heat exchanger is used, the temperature control unit is used with cooling water or hot water.
The second gas distributor 08 is provided at 200mm of the inlet of the HC purification unit 09.
H 2 The S purification unit 10 was disposed behind the HC purifier 09 with a 200mm gap left therebetween.
The HC purification unit 09 is internally provided with an adsorbent for adsorbing HC, and the adsorbent for adsorbing HC is one or more of granular activated carbon, integral activated carbon fibers, granular molecular sieves and integral molecular sieves.
H 2 The S purification unit 10 is internally provided with a gas-liquid separator for adsorbing H 2 S adsorbent for adsorbing H 2 The S adsorbent comprises alkaline substance and carrier, wherein the alkaline substance is NaOH, KOH, KI, na 2 CO 3 And NaHCO 3 The carrier is one or more than one of granular activated carbon, integral activated carbon and integral activated carbon fiber.
Each adsorbent is packaged into a whole and placed in the purification module in a drawer type structure.
The exhaust fan 11 is a variable frequency adjustable fan.
As shown in fig. 1, a temperature sensor 12 is arranged at the top of the core display chamber 02, and a pressure sensor 13 is arranged at the bottom of the core display chamber 02 and is used for detecting the temperature of the airflow entering the core display chamber 02 and the pressure of the core display chamber 02; h 2 The outlet of the S purification unit 10 is provided withHC sensor 14 and H are provided 2 S sensor 15 for detecting HC and H in the purified gas stream 2 The concentration of S.
When the core display device is used, the exhaust fan 11 is started, the exhaust volume is adjusted according to the value of the pressure sensor 13, so that the core display chamber 02 is kept in a set negative pressure environment, the gas in the core display chamber 02 flows to the exhaust fan 11, as shown in the arrow direction at the position C in fig. 1, the one-way air door 03 is naturally opened at the moment, fresh air is supplemented, and the fresh air flows to the arrow direction at the position B in fig. 1. And (3) starting the circulating fan 06 and the temperature regulating unit 07, and regulating the temperature regulating unit 07 according to the temperature sensor 12, so as to regulate the outlet air temperature of the circulating air, wherein the flow direction of the circulating air is shown as the arrow direction at the position A in the figure 1. H 2 H at the outlet of S purification unit 10 2 The S sensor 15 and the HC sensor 14 detect H in exhaust gas 2 S and HC content, and when the detected value reaches a set value, an alarm is triggered.
In the embodiment, the safe and efficient device for removing and purifying volatile pollutants of the core disclosed by the invention is used for removing and purifying the volatile pollutants of the core in the following modes: the environment temperature is-5 to 9 ℃, 8 newly-mined cores 05 are arranged in the core display chamber 02, and the circulating air volume is 200m 3 The pressure in the core display chamber 02 is-30 to-10 Pa, the airflow temperature is 30 ℃, and the exhaust air volume is 10 to 15m 3 H, the HC adsorbent adopts coconut shell granular active carbon of 0.3m 3 ，H 2 The S adsorbent adopts KOH and KI composite loaded granular active carbon of 0.3m 3 . And after 2 to 3 hours, the volatile pollutant residue of the rock core meets the requirement of open operation in a laboratory.
Detecting after 72 hours, and discharging H in the device gas 2 S content less than 0.01ppmv, HC content less than 0.1ppmv, and no H around the device 2 S and HC. H 2 The service life of the S adsorbent is 6000-10000 rock cores, and the service life of HC adsorption is 2000-5000 rock cores.
The method can safely and efficiently accelerate the removal of volatile pollutants of the rock core, and avoid the influence of the pollutants on the environment; and automatic detection, control and safety early warning are carried out through the monitoring module.
Claims (5)
1. The utility model provides a safe high-efficient rock core volatile pollutant gets rid of and purifier, a serial communication port, including the high-efficient module of volatilizing that is used for placing the rock core of taking volatile pollutant, a temperature control module for controlling the volatile pollutant temperature of high-efficient module output that volatilizees, a purification module for purifying the volatile pollutant of high-efficient module output, a module of airing exhaust for letting in the outside air for high-efficient module of volatilizing, a safety measurement and control module for detecting the temperature of getting into high-efficient module air current and the atmospheric pressure in the high-efficient module of volatilizing and volatile pollutant concentration in the air current after the purification, the income wind gap of high-efficient module of volatilizing connects the benefit wind gap of airing exhaust module and the air outlet of temperature control module respectively, the income wind gap of temperature control module and the income wind gap of purification module are connected respectively to the air outlet of high-efficient module of volatilizing, the air outlet of purification module is equipped with the fan or the tuber pipe emission of discharging the gas after purifying;
the efficient volatilization module comprises a first airflow distribution unit and a core display unit, wherein an air inlet of the first airflow distribution unit is respectively connected with an air outlet of the temperature control module and an air supplement port of the air exhaust module, an air outlet of the first airflow distribution unit is connected with the core display unit, and an air outlet of the core display unit is respectively connected with air inlets of the temperature control module and the purification module;
the temperature control module comprises a circulating fan (06) and a temperature adjusting unit (07), an inlet of the circulating fan (06) is connected with an air outlet of the high-efficiency volatilization module, an outlet of the circulating fan (06) is connected with an inlet of the temperature adjusting unit (07), and an outlet of the temperature adjusting unit (07) is connected with an air inlet of the high-efficiency volatilization module;
the purification module comprises a second air flow distribution unit and at least one volatile pollutant purification unit, an air inlet of the second air flow distribution unit is connected with an air outlet of the high-efficiency volatilization module, an air outlet of the second air flow distribution unit is connected with an air inlet of the volatile pollutant purification unit, an air inlet of an air exhaust fan (11) of the volatile pollutant purification unit is connected with the air or an air exhaust pipe;
the air exhaust module comprises a one-way air door (03) and a flow-adjustable fan, the air outlet of the one-way air door (03) is connected with the air inlet of the flow-adjustable fan, and the air outlet of the flow-adjustable fan is connected with the air inlet of the high-efficiency volatilization module;
the safety measurement and control module comprises a temperature sensor (12), a pressure sensor (13) and at least one volatile pollutant concentration sensor, and the type of the volatile pollutant concentration sensor is the same as that of a volatile pollutant purification unit in the purification module; the temperature sensor (12) is arranged at an air outlet of the temperature control module in the high-efficiency volatilization module, the pressure sensor (13) is arranged at an air outlet in the high-efficiency volatilization module, and the volatile pollutant concentration sensor is arranged at an air outlet in the purification module.
2. A safe and efficient core volatile pollutant removing and purifying device as claimed in claim 1, wherein the air flow speed deviation discharged from the air outlet of the first air flow distribution unit is less than 5%; the temperature of the air flow at the air inlet of the high-efficiency volatilization module is between 5 and 35 ℃; the flow velocity of the gas in the high-efficiency volatilization module is between 0.01 and 0.5 m/s; the static pressure of the airflow at the air outlet of the high-efficiency volatilization module is between 250 Pa below zero and 10Pa below zero.
3. A safe and efficient core volatile pollutant removing and purifying device as claimed in claim 1, wherein the air flow velocity deviation discharged from the air outlet of the second air flow distribution unit is less than 5%.
4. A safe and efficient core volatile contaminant removal and purification apparatus as claimed in claim 1, wherein said volatile contaminant purification unit is of a type comprising H 2 An S purification unit (10) and an HC purification unit (09); the air outlet of the second air flow distribution unit is connected with the air inlet of the HC purification unit (09), and the air outlet of the HC purification unit (09) is connected with H 2 S air inlet of the purification unit (10), H 2 An air outlet of the S purification unit (10) is connected with an air inlet of an exhaust fan (11).
5. A safe and efficient rock as defined in claim 4The device for removing and purifying the volatile pollutants in the heart is characterized in that an adsorbent for adsorbing HC is arranged in the HC purification unit (09), and the adsorbent for adsorbing HC is one or more of granular activated carbon, integral activated carbon fiber, granular molecular sieve and integral molecular sieve; h 2 The S purification unit (10) is internally provided with a gas-liquid separation device for adsorbing H 2 Adsorbent of S for adsorbing H 2 The S adsorbent comprises alkaline substance and carrier, wherein the alkaline substance is NaOH, KOH, KI, na 2 CO 3 And NaHCO 3 The carrier is one or more than one of granular activated carbon, integral activated carbon and integral activated carbon fiber; each adsorbent is packaged into a whole and placed in the purification module in a drawer type structure.
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