CN208372833U - The processing system of VOCs in a kind of oil gas - Google Patents
The processing system of VOCs in a kind of oil gas Download PDFInfo
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- CN208372833U CN208372833U CN201820766582.8U CN201820766582U CN208372833U CN 208372833 U CN208372833 U CN 208372833U CN 201820766582 U CN201820766582 U CN 201820766582U CN 208372833 U CN208372833 U CN 208372833U
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Abstract
The utility model discloses the processing systems of VOCs in oil gas a kind of, surge tank, pressurizer, condenser, absorber including passing sequentially through pipeline connection, surge tank is used to collect the tail gas from tank field containing VOCs, chimney is connected with after absorber, oxidation reaction apparatus is additionally provided between the absorber and surge tank, the oxidation reaction apparatus includes the heater and reactor being connected in turn, and has been passed through oxidant in reactor.The utility model passes through setting oxidation reaction apparatus between absorber and surge tank, under the action of oxidant, circulation lighter hydrocarbons in oil gas are decomposed in oxidator, since oxidation reaction apparatus is additionally provided between absorber and surge tank, recycle hydrocarbons amount is relatively small, catalytic oxidation reaction device tolerance to be treated is only 10% or so that device needs to handle total tolerance, it can be according to the composition and driving situation of tail gas, intermittently starting oxidation reaction apparatus, to reduce the frequency of use of oxidation reaction apparatus.
Description
Technical field
The utility model relates to the processing systems of VOCs in oil gas a kind of, belong to the organic oil vapor treatment technical field of industry.
Background technique
Industry involved in the organic exhaust of oil of industry is numerous, including tank field oil gas, product oil handling oil gas etc..Industry has
Machine oil gas pollutant kind composition is complex, all organic compounds is almost covered, mainly with hydrocarbon compound (alkane
Hydrocarbon, alkene and aromatic hydrocarbons), ketone, esters, alcohols, phenols, aldehydes, amine, nitrile, based on the organic compounds such as cyanogen.
The prior art is to be recycled oil gas using condensation adsorption technology, and oil gas is introduced into condenser system, in cryogenic fluid
Under the action of, a large amount of oil gas heavy constituent and part light component are condensed.Absorber is set after condenser system, to handle
The light component of uncooled and difficult condensation in tail gas, to realize tail gas qualified discharge.Micro lighter hydrocarbons substance is (predominantly in oil gas
C2 ~ C5), it is difficult to be condensed using second level or three-level condensation process, substance of this kind is adsorbed agent and is trapped in system, shape
At recycle hydrocarbons, this part recycle hydrocarbons is enriched in system, finally mostly causes environmental pollution by direct emission.
Summary of the invention
In order to meet the environmental emission standard being increasingly stringenter, and also to meet complicated tail gas operating condition, this is practical
The novel processing system for being designed to provide VOCs in a kind of oil gas, to solve nothing in prior art organic oil gas processing system
The enrichment problem of method processing cycle hydrocarbon, it is ensured that purified gas VOCs qualified discharge.
The utility model adopts the following technical solution: the processing system of VOCs in a kind of oil gas, including passes sequentially through pipeline
Surge tank, pressurizer, condenser, the absorber of connection, surge tank are used to collect tail gas from tank field containing VOCs, after absorber
It is connected with chimney, oxidation reaction apparatus, the oxidation reaction are additionally provided on the desorption tracheae between the absorber and surge tank
Device includes the heater and reactor being connected in turn, and has been passed through oxidant in reactor.
The oxidation reaction apparatus further includes the preheater before heater is arranged in.
The preheater is tubular heat exchanger or movable tube sheets heat exchanger or plate heat exchanger.
The oxidation reaction apparatus further includes the vacuum pump before preheater is arranged in.
The oxidation reaction apparatus further includes the air-introduced machine after reactor is arranged in.
The air-introduced machine is roots blower or centrifugal blower.
The oxidant is ozone or air or oxygen or oxygen-enriched tail gas.
The heater is tubular heat exchanger or movable tube sheets heat exchanger or plate heat exchanger or jacketed type exchanger.
The reactor is fixed bed or fluidized bed or heat accumulating type reactor or jacketed type exchanger.
Catalyst is equipped in the reactor.
The beneficial effects of the utility model are: the utility model passes through setting oxidation reaction between absorber and surge tank
Device, under the action of oxidant, the circulation lighter hydrocarbons in oil gas are decomposed in oxidator, because in addition oxidation reaction apparatus is
It is arranged between absorber and surge tank, recycle hydrocarbons amount is relatively small, and catalytic oxidation reaction device tolerance to be treated is only
Device needs to handle 10% or so of total tolerance, can be according to the composition and driving situation of tail gas, intermittently starting oxidation reaction dress
It sets, to reduce the frequency of use of oxidation reaction apparatus.The utility model solves VOCs technology in condensation-adsorption method processing oil gas
The problem of existing recycle hydrocarbons are enriched in system has achieved the purpose that energy-saving and emission-reduction, protection environment, while having also reduced system
It invests, saved operating cost.
Preferably, preheater, air-introduced machine, vacuum pump etc. is arranged in the utility model also in oxidation reaction apparatus, so that whole
A oxidation reaction more smoothly carries out.
Detailed description of the invention
Fig. 1 is the system flow chart of the utility model embodiment.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
The structure of the utility model embodiment 1 as shown in Figure 1, in the oil gas of the present embodiment the processing system of VOCs include according to
The secondary surge tank connected by pipeline, pressurizer, condenser, absorber, surge tank are used to collect the tail from tank field containing VOCs
Gas is connected with chimney after absorber, and oxidation reaction apparatus, the oxidation reaction dress are additionally provided between the absorber and surge tank
Heater and reactor including being connected in turn are set, has been passed through oxidant in reactor.The oxidation reaction apparatus is also
Including the vacuum pump before the preheater before heater is arranged in, preheater is arranged in and the air-introduced machine after reactor is set.
The reactor is fixed bed or fluidized bed or heat accumulating type reactor or jacketed type exchanger, is set in the reactor
There is catalyst.The oxidant is oxygen-containing tail gas or ozone or air or purity oxygen, the heater be tubular heat exchanger or
Movable tube sheets heat exchanger or plate heat exchanger or jacketed type exchanger, preheater are tubular heat exchanger or movable tube sheets heat exchanger or plate
Formula heat exchanger, the air-introduced machine are roots blower or centrifugal blower.
The processing system carrying out practically process of VOCs in the oil gas of the present embodiment are as follows: oil gas containing VOCs initially enters buffering
Oil-air pressure is increased to desired value by pressurizer and enters condenser, formed according to material by tank, and condenser can be set as needed
It is set to second level or three-level condensation.Most organic condenses and separates within the condenser in oil gas, is inhaled into absorber
Attached, remaining organic matter is adsorbed adsorbent in tank and adsorbs, and when not needing processing cycle hydrocarbon, after tail gas clean-up, gas, which passes through, is
It unites the chimney qualified discharge on the spot of setting.
Tail gas, due to the specific function of performance of the adsorbent, contains desorption gas micro- in condensation+absorbing process treatment process
Lighter hydrocarbons substance is measured, agent is adsorbed and is trapped in system, circulation lighter hydrocarbons is formed, needs periodically to handle.At condensation+absorbing process
During reason, oxidation reaction apparatus is equipped on the desorption tracheae between absorber and surge tank, under the action of oxidant,
Processing cycle hydrocarbon in reactor opens the system, it is ensured that purified gas is up to standard according to system driving situation and tail gas source situation
Discharge.
This system especially adapts to uncontrollable discharge oil gas, and concentration range is from tens~hundreds of thousands mg/m3Between fluctuation, flow
Frequently change greatly, complicated composition the characteristics of, anti-buffer capacity is stronger, and thoroughly solves the problems, such as the accumulation of recycle hydrocarbons.
The basic principles and main features and advantage of the utility model have been shown and described above.The ordinary skill of this field
Personnel are not it should be appreciated that above-described embodiment limits the protection scope of the utility model, all use equivalent replacements etc. in any form
Mode technical solution obtained, falls in the protection scope of the utility model.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (10)
1. the processing system of VOCs in a kind of oil gas, surge tank, pressurizer, condenser, suction including passing sequentially through pipeline connection
Adnexa, surge tank are used to collect the tail gas from tank field containing VOCs, are connected with chimney after absorber, it is characterised in that: the suction
Oxidation reaction apparatus is additionally provided on desorption tracheae between adnexa and surge tank, the oxidation reaction apparatus includes being connected in turn
Heater and reactor together have been passed through oxidant in reactor.
2. the processing system of VOCs in oil gas according to claim 1, it is characterised in that: the oxidation reaction apparatus also wraps
Include the preheater before heater is set.
3. the processing system of VOCs in oil gas according to claim 2, it is characterised in that: the preheater changes for shell and tube
Hot device or movable tube sheets heat exchanger or plate heat exchanger.
4. the processing system of VOCs in oil gas according to claim 2, it is characterised in that: the oxidation reaction apparatus also wraps
Include the vacuum pump before preheater is set.
5. the processing system of VOCs in oil gas according to claim 2, it is characterised in that: the oxidation reaction apparatus also wraps
Include the air-introduced machine after reactor is set.
6. the processing system of VOCs in oil gas according to claim 5, it is characterised in that: the air-introduced machine is roots blower
Or centrifugal blower.
7. according to claim 1 into oil gas described in 6 any one VOCs processing system, it is characterised in that: the oxidation
Agent is oxygen-containing tail gas or ozone or air or purity oxygen.
8. according to claim 1 into oil gas described in 6 any one VOCs processing system, it is characterised in that: the heating
Device is tubular heat exchanger or movable tube sheets heat exchanger or plate heat exchanger or jacketed type exchanger.
9. according to claim 1 into oil gas described in 6 any one VOCs processing system, it is characterised in that: the reaction
Device is fixed bed or fluidized bed or heat accumulating type reactor or jacketed type exchanger.
10. the processing system of VOCs in oil gas according to claim 9, it is characterised in that: be equipped with and urge in the reactor
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766582.8U CN208372833U (en) | 2018-05-22 | 2018-05-22 | The processing system of VOCs in a kind of oil gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766582.8U CN208372833U (en) | 2018-05-22 | 2018-05-22 | The processing system of VOCs in a kind of oil gas |
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| CN208372833U true CN208372833U (en) | 2019-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821408A (en) * | 2019-03-12 | 2019-05-31 | 上海第二工业大学 | A kind of device and method of ozone-catalysis oxidation collaboration processing volatile organic matter |
-
2018
- 2018-05-22 CN CN201820766582.8U patent/CN208372833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821408A (en) * | 2019-03-12 | 2019-05-31 | 上海第二工业大学 | A kind of device and method of ozone-catalysis oxidation collaboration processing volatile organic matter |
| CN109821408B (en) * | 2019-03-12 | 2021-10-19 | 上海第二工业大学 | Device and method for cooperatively treating volatile organic compounds through ozone-catalytic oxidation |
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