CN213357466U - C5 type combustible torch gas recovery device system - Google Patents
C5 type combustible torch gas recovery device system Download PDFInfo
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- CN213357466U CN213357466U CN202021973244.5U CN202021973244U CN213357466U CN 213357466 U CN213357466 U CN 213357466U CN 202021973244 U CN202021973244 U CN 202021973244U CN 213357466 U CN213357466 U CN 213357466U
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Abstract
The utility model relates to a C5 class combustible torch gas recovery unit system, including molecular sieve adsorption equipment, precooler, cooler, knockout drum, heater, water-sealed tank, C5 combustible gas storage tank is connected to the draught fan, and molecular sieve adsorption equipment's air inlet is connected to the gas outlet of draught fan, and molecular sieve adsorption equipment's gas outlet passes through the air pump and connects the precooler, and the cooler is connected to the precooler, and the knockout drum is connected to the cooler, and the heater is connected to the knockout drum, and heater connection water-sealed tank, the gas of water-sealed tank deck is arranged mouthful and is connected with the torch outward. The utility model discloses the realization is retrieved C5 combustible gas's high efficiency, eliminates fire hidden danger, effectively reduces environmental pollution, increases the economic benefits that the recovered oil brought.
Description
Technical Field
The utility model belongs to the technical field of C5 class tail gas processing apparatus, in particular to C5 class combustible torch gas recovery unit system.
Background
The ethylene device can simultaneously produce a plurality of chemical raw materials, a factory can develop a comprehensive utilization technology of ethylene cracking carbon nine and cracking carbon five by building a comprehensive utilization device of ethylene cracking carbon nine and cracking carbon five, a process route is optimized and perfected, a plurality of high-quality chemical raw materials are successfully extracted from ethylene cracking carbon nine, C5 components of piperylene and dicyclopentadiene are utilized to deeply process C5/C9 modified petroleum resin, the product quality is improved, the product types are increased, the overall level of comprehensive utilization of ethylene cracking resources and the resource utilization efficiency are comprehensively improved, the device for comprehensively utilizing ethylene cracking byproducts is large-scaled, the products are refined, and the benefit is maximized, so that the ethylene cracking byproduct comprehensive utilization device has great economic benefit and social benefit.
The comprehensive utilization device of ethylene cracking resources is used for separating and purifying dicyclopentadiene, methyl cyclopentadiene dimer, indene, methylindene, styrene and methyl styrene in ethylene cracking carbon nine, and a vacuum tower is needed to realize separation and purification in the separation and purification process. The cryogenic system of the decompression tower can not fully recover C5 components, and the oil gas evaporation loss of a C5 material tank area which is matched with a modified C5/C9 resin device and put into use in a factory is serious. The C5 oil gas generated by unbalanced operation of the production device and the combustible gas leaked by the safety valve in the tank area are collected to a discharge system and directly discharged to a torch for combustion only through simple separation, thereby polluting the environment and causing a great deal of waste of resources. The utility model discloses an optimize the high-efficient recovery of technology realization to the torch gas, eliminate the conflagration hidden danger, effectively reduce environmental pollution, increase the economic benefits that the recovered oil brought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a C5 type flammable torch gas recovery unit system, it increases C5 type and retrieves, reduces organic matter emission pollution problem.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
the utility model provides a C5 class combustible torch gas recovery unit system, its characterized in that, includes molecular sieve adsorption equipment, precooler, cooler, knockout drum, heater, water seal jar, and C5 combustible gas storage tank is connected to the draught fan, and the gas outlet of draught fan is connected molecular sieve adsorption equipment's air inlet, and molecular sieve adsorption equipment's gas outlet passes through air pump and connects the precooler, and the precooler is connected the cooler, and the knockout drum is connected to the cooler, and the knockout drum connects the heater, and heater connection water seal jar, and the gas of water seal jar tank deck is arranged mouthful and is connected with the torch outward.
Further, molecular sieve adsorption equipment includes the storage tank, and the storage tank bottom is the air inlet, and the storage tank top is the gas outlet, and the inside multilayer screen cloth that is equipped with of storage tank is filled with the molecular sieve and packs between the clearance of each layer screen cloth, and air inlet, gas outlet are inside to be equipped with buffer baffle and the float valve basket that flow equalizes respectively, and buffer baffle is cyclic annular and arranges, and the buffer baffle outside is equipped with the float valve basket that flow equalizes.
Furthermore, the buffer baffle plate comprises an upper fixing plate, a lower fixing ring and fin plates, the upper fixing plate and the lower fixing ring are respectively fixed in the storage tank, the fin plates are arranged side by side and are annularly arranged, and the fin plates are fixed on the upper fixing plate and the lower fixing ring.
Furthermore, the float valve flow equalizing basket comprises a float valve and a flow dividing cover, the float valve comprises a valve disc and a valve leg, the valve leg is arranged on the side part of the valve disc, and a valve hook is arranged on the valve leg; the flow distribution cover is in a round table shape, the floating valve is arranged at the opening end of the flow distribution cover, air holes are formed in the side portion and the closed end of the flow distribution cover, a guide groove is formed in the bottom of the flow distribution cover, and the valve hook hooks the guide groove.
The utility model has the advantages that:
the utility model discloses the realization is retrieved C5 combustible gas's high efficiency, eliminates fire hidden danger, effectively reduces environmental pollution, increases the economic benefits that the recovered oil brought.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a C5 combustible flare gas recovery device system according to the present invention;
FIG. 2 is a schematic structural diagram of the molecular sieve adsorption unit;
FIG. 3 is a schematic structural view of the buffering partition plate;
FIG. 4 is a schematic structural view of the flow dividing cover;
FIG. 5 is a schematic structural view of the float valve;
reference numerals: the device comprises a molecular sieve adsorption device-1, a storage tank-11, an air inlet-12, an air outlet-13, a screen-14, a molecular sieve filler-15, a buffer clapboard-16, an upper fixing plate-161, a lower fixing ring-162, a fin plate-163, a floating valve flow equalizing basket-17, a floating valve-171, a valve disc-1711, a valve leg-1712, a valve hook-1713, a flow dividing cover-172, an air vent-1721, a guide groove-1722, a precooler-2, a cooler-3, a separation tank-4, a heater-5, a water seal tank-6, an induced draft fan-7, a C5 combustible gas storage tank-8, an air pump-9 and a torch-10.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make more clear and definite definitions of the scope of the present invention.
Referring to the attached figure 1 of the specification, the C5 combustible flare gas recovery device system comprises a molecular sieve adsorption device 1, a precooler 2, a cooler 3, a separation tank 4, a heater 5 and a water seal tank 6, wherein an induced draft fan 7 is connected with a C5 combustible gas storage tank 8, a gas outlet of the induced draft fan is connected with a gas inlet of the molecular sieve adsorption device 1, a gas outlet of the molecular sieve adsorption device 1 is connected with the precooler 2 through a gas pump 9, the precooler 2 is connected with the cooler 3, the cooler 3 is connected with the separation tank 4, the separation tank 4 is connected with the heater 5, the heater 5 is connected with the water seal tank 6, and a gas discharge port at the top of the water seal tank 6 is connected with a flare 10.
Referring to the attached drawing 2 in the specification, further, the molecular sieve adsorption device 1 includes a storage tank 11, an air inlet 12 is formed in the bottom of the storage tank 11, an air outlet 13 is formed in the top of the storage tank 11, multiple layers of screens 14 are arranged inside the storage tank 11, molecular sieve fillers 15 are filled between gaps of the screens 14, a buffer partition plate 16 and a float valve flow equalizing basket 17 are respectively arranged inside the air inlet 12 and the air outlet 13, the buffer partition plate 16 is annularly arranged, and the float valve flow equalizing basket 17 is arranged outside the buffer partition plate 16.
Referring to fig. 3 in the specification, further, the buffer partition 16 includes an upper fixing plate 161, a lower fixing ring 162, and a plurality of fins 163, the upper fixing plate 161 and the lower fixing ring 162 are respectively fixed in the storage tank 11, the plurality of fins 163 are arranged side by side, the plurality of fins 163 are annularly arranged, and the fins 163 are fixed on the upper fixing plate 161 and the lower fixing ring 162.
Referring to the attached drawings 4 and 5 in the specification, further, the float valve flow equalizing basket 17 comprises a float valve 171 and a flow dividing cover 172, the float valve 171 comprises a valve disc 1711 and a valve leg 1712, the valve leg 1712 is arranged on the side of the valve disc 1711, and a valve hook 1713 is arranged on the valve leg 1712; the flow dividing cover 172 is in a circular truncated cone shape, the float valve 171 is arranged at the opening end of the flow dividing cover 172, air holes 1721 are formed in the side portion and the closed end of the flow dividing cover 172, a guide groove 1722 is formed in the bottom of the flow dividing cover 72, and the valve hook 1713 hooks the guide groove 1722.
The specific functions of the components of this embodiment are described as follows:
referring to the attached figure 1 of the specification, the C5 combustible flare gas recovery device system comprises a molecular sieve adsorption device 1, a precooler 2, a cooler 3, a separation tank 4, a heater 5 and a water seal tank 6, wherein an induced draft fan 7 is connected with a C5 combustible gas storage tank 8, a gas outlet of the induced draft fan is connected with a gas inlet of the molecular sieve adsorption device 1, a gas outlet of the molecular sieve adsorption device 1 is connected with the precooler 2 through a gas pump 9, the precooler 2 is connected with the cooler 3, the cooler 3 is connected with the separation tank 4, the separation tank 4 is connected with the heater 5, the heater 5 is connected with the water seal tank 6, and a gas discharge port at the top of the water seal tank 6 is connected with a flare 10.
For the combustible gas C5 in this embodiment, the combustible gas C5 is collected and transported from the combustible gas storage tank 8C 5 through an evacuation pipeline, enters the molecular sieve adsorption device 1 through an induced draft fan, is adsorbed to remove heavy components such as moisture and impurities, and the combustible gas C5 purified in the molecular sieve is sucked out and transported into the precooler 3 through the air pump. The temperature in the precooling process is kept at about 4 ℃, and then the cooled gas enters the condenser 3 for further cooling, and the condensing temperature is controlled at-25 ℃. In order to strengthen the cooling effect of the condenser, the two condensers are connected in series, oil gas condensed by the former condenser enters the next condenser for further cooling and condensation, and the plurality of condensers are connected in parallel in order to increase the treatment capacity. The cooled tail gas enters a separation tank 4 for gas-liquid separation, and the gas in a gas transmission pipeline at the top of the separation tank 4 is heated to normal temperature by a heater 5 and is transmitted to a torch 10. The liquid phase in the separating tank 4 is recycled, and more than 76% of C5 torch gas can be recycled at the pressure of 0.6MPa and the low temperature. The refrigerant used by the condenser 3 is frozen brine at-42 ℃, and 82% or more of C5 materials can be cooled from gas phase to liquid phase under 0.6 Mpa.
In the actual use process of the device, C5 combustible gas is conveyed to the air inlet of the molecular sieve adsorption device through the induced draft fan in a centralized manner, and due to the fact that the airflow speed is too high, the molecular sieve particles are irregularly jumped and fluidized, so that the fluctuation height of a bed layer is different, and the adsorption effect is seriously influenced. The inlet and outlet of the original absorber are provided with buffer plates, but because the gas flow velocity is too high, fins of the original buffer plates are thin, and deform under the impact of high-speed airflow, so that the fluctuation of the working conditions cannot be overcome in the operation process. Referring to the attached drawing 2 in the specification, further, the molecular sieve adsorption device 1 includes a storage tank 11, an air inlet 12 is formed in the bottom of the storage tank 11, an air outlet 13 is formed in the top of the storage tank 11, multiple layers of screens 14 are arranged inside the storage tank 11, molecular sieve fillers 15 are filled between gaps of the screens 14, a buffer partition plate 16 and a float valve flow equalizing basket 17 are respectively arranged inside the air inlet 12 and the air outlet 13, the buffer partition plate 16 is annularly arranged, and the float valve flow equalizing basket 17 is arranged outside the buffer partition plate 16.
This embodiment sets up the cup respectively at molecular sieve adsorption equipment 1's air inlet, air outlet department has the float valve basket that flow equalizes of float valve structure, the air current that rushes out the float valve basket that flow equalizes gets into the buffer board, the fin board of buffer board is frivolous and rich in elasticity, the impact force of further absorption air current when slowing down the gas velocity of flow, this kind of dual structure effectively reduces the fluctuation of molecular sieve filler under the air current impact, molecular sieve filler fluidization has been avoided, molecular sieve adsorption effect has been improved, molecular sieve life cycle has been prolonged.
Referring to fig. 3 in the specification, further, the buffer partition 16 includes an upper fixing plate 161, a lower fixing ring 162, and a plurality of fins 163, the upper fixing plate 161 and the lower fixing ring 162 are respectively fixed in the storage tank 11, the plurality of fins 163 are arranged side by side, the plurality of fins 163 are annularly arranged, and the fins 163 are fixed on the upper fixing plate 161 and the lower fixing ring 162.
Referring to the attached drawings 4 and 5 in the specification, further, the float valve flow equalizing basket 17 comprises a float valve 171 and a flow dividing cover 172, the float valve 171 comprises a valve disc 1711 and a valve leg 1712, the valve leg 1712 is arranged on the side of the valve disc 1711, and a valve hook 1713 is arranged on the valve leg 1712; the flow dividing cover 172 is in a circular truncated cone shape, the float valve 171 is arranged at the opening end of the flow dividing cover 172, air holes 1721 are formed in the side portion and the closed end of the flow dividing cover 172, a guide groove 1722 is formed in the bottom of the flow dividing cover 72, and the valve hook 1713 hooks the guide groove 1722. The air inlet or the air outlet is covered by the shunting cover, the shunting cover is fixed on the upper fixing plate through bolts, three guide grooves are formed in the side part of the shunting cover, a valve hook of the floating valve is arranged in the guide grooves, the floating valve can freely slide along the guide grooves in a reciprocating mode under the pressure of air pressure, a valve claw is arranged at the tail end of each valve leg, the floating valve cannot be separated from the guide grooves in the lifting process, the floating valve moves up and down along the guide grooves along with the size of air flow, a gap between the valve disc and the shunting cover changes, the air flow power entering the shunting cover is converted into the kinetic energy of the floating valve, and the air flow speed is relieved; when the flow of the air inlet is high, the floating valve moves upwards under the self gravity and air pressure balance of the floating valve, the gap between the floating valve and the flow dividing cover is reduced, and the air inlet flow is automatically adjusted; when the flow of the air inlet is small, the floating valve moves downwards under the self gravity and air pressure balance of the floating valve, the gap between the floating valve and the flow dividing cover is enlarged, and the air inlet flow is automatically adjusted; for the floating valve of the air outlet, when the air pressure in the storage tank reaches a certain value, the floating valve is jacked up by the air pressure, and the air in the storage tank enters the air outlet.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a C5 class combustible torch gas recovery unit system, its characterized in that, includes molecular sieve adsorption equipment, precooler, cooler, knockout drum, heater, water seal jar, and C5 combustible gas storage tank is connected to the draught fan, and the gas outlet of draught fan is connected molecular sieve adsorption equipment's air inlet, and molecular sieve adsorption equipment's gas outlet passes through air pump and connects the precooler, and the precooler is connected the cooler, and the knockout drum is connected to the cooler, and the knockout drum connects the heater, and heater connection water seal jar, and the gas of water seal jar tank deck is arranged mouthful and is connected with the torch outward.
2. The recovery device system of C5 combustible flare gas, according to claim 1, wherein the molecular sieve adsorption device comprises a storage tank, the bottom of the storage tank is an air inlet, the top of the storage tank is an air outlet, multiple layers of screens are arranged inside the storage tank, molecular sieve fillers are filled between gaps of the screens, buffer partitions and float valve flow equalizing baskets are respectively arranged inside the air inlet and the air outlet, the buffer partitions are arranged in a ring shape, and the float valve flow equalizing baskets are arranged outside the buffer partitions.
3. The recovery device system of C5 combustible flare gas as claimed in claim 2, wherein the buffer partition comprises an upper fixing plate, a lower fixing ring and a plurality of fin plates, the upper fixing plate and the lower fixing ring are respectively fixed in the storage tank, the plurality of fin plates are arranged side by side, the plurality of fin plates are arranged in a ring shape, and the fin plates are fixed on the upper fixing plate and the lower fixing ring.
4. The C5 combustible flare gas recovery device system of claim 2, wherein the float valve flow equalizing basket comprises a float valve and a flow dividing cover, the float valve comprises a valve disc and a valve leg, the valve leg is arranged on the side of the valve disc, and a valve hook is arranged on the valve leg; the flow distribution cover is in a round table shape, the floating valve is arranged at the opening end of the flow distribution cover, air holes are formed in the side portion and the closed end of the flow distribution cover, a guide groove is formed in the bottom of the flow distribution cover, and the valve hook hooks the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973244.5U CN213357466U (en) | 2020-09-11 | 2020-09-11 | C5 type combustible torch gas recovery device system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973244.5U CN213357466U (en) | 2020-09-11 | 2020-09-11 | C5 type combustible torch gas recovery device system |
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| CN213357466U true CN213357466U (en) | 2021-06-04 |
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| CN202021973244.5U Active CN213357466U (en) | 2020-09-11 | 2020-09-11 | C5 type combustible torch gas recovery device system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046247A (en) * | 2023-10-11 | 2023-11-14 | 内蒙古东景生物环保科技有限公司 | Flare gas safety recovery discharging equipment |
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2020
- 2020-09-11 CN CN202021973244.5U patent/CN213357466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046247A (en) * | 2023-10-11 | 2023-11-14 | 内蒙古东景生物环保科技有限公司 | Flare gas safety recovery discharging equipment |
| CN117046247B (en) * | 2023-10-11 | 2023-12-15 | 内蒙古东景生物环保科技有限公司 | Flare gas safety recovery discharging equipment |
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