CN208975455U - A kind of environment-friendly type naphthalene trapping recovery system - Google Patents
A kind of environment-friendly type naphthalene trapping recovery system Download PDFInfo
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- CN208975455U CN208975455U CN201821746364.4U CN201821746364U CN208975455U CN 208975455 U CN208975455 U CN 208975455U CN 201821746364 U CN201821746364 U CN 201821746364U CN 208975455 U CN208975455 U CN 208975455U
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- trap
- heat tracing
- interior heat
- tracing coil
- naphthalene
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Abstract
The utility model relates to a kind of environment-friendly type naphthalenes to trap recovery system, including naphthalene pans and trap, the trap is at least six groups and is serially connected connection, the middle and lower part of each trap outer wall installs external heat tracing part additional, heat tracing coil pipe in being installed additional in the inner cavity of trap, interior heat tracing coil inlet end and interior heat tracing coil outlets end are all secured on blind plate, interior heat tracing coil inlet end on the trap at beginning is connected to jet chimney, interior heat tracing coil outlets end on the trap of end is connected to lime set pipeline, interior heat tracing coil pipe in two adjacent traps is interconnected, the feed inlet that naphthalene pans pass through the trap at gas phase pipeline connection beginning, the trap of end is connected to jet pump by air delivering pipeline, the drain hole of six groups of traps is sequentially connected in series connection and is connected to magnetic drive pump by the pipeline that discharges, magnetic drive pump passes through recovery pipe It is connected to naphthalene pans.The utility model carries out effective trapping processing to naphthalene, reduces environmental pollution.
Description
Technical field
The utility model relates to naphthalene recycling field, in particular to a kind of environment-friendly type naphthalene traps recovery system.
Background technique
Naphthalene is the flat crystal of white, and Yi Shenghua has special odor, and fusing point is 80.2 DEG C, and boiling point is 217.9 DEG C, in order to
Production needs, and usually first carrying out heating makes it be molten into liquid, is then transported to pans by pump and is used to produce；It is defeated in liquid naphthalene
It is sent to during pans, intermediate pressure tank becomes positive pressure by normal pressure, has the emptying that a large amount of naphthalene steam pass through tank top at this time
Pipeline discharge reduces production cost to improve the utilization rate of raw material, blow-down pipe is discharged usually using naphthalene trap
Naphthalene steam is collected.
Such as 40,000 tons of phthalic anhydride, normal production needs to feed 7h/ days to pans, and inlet amount about 100T can be recycled daily
About 40~50 ㎏ are generally required and are cleared up it within 10~15 days or so once, and 2~3 people is needed to clear up 8h, clear up 0.5T~0.7T every time
Left and right solid-state naphthalene, the solid-state naphthalene cleaned up continue the fusing that feeds intake under manual work, and process is relatively complicated, and production cost compared with
It is high；Since common trap is all directly to be vented to atmosphere after natural cooling, when trap is discontented with, tank charging/discharging pair among naphthalene
The gas naphthalene that its emptying ejects, which can largely cool back, to be got back, but is used after a few days in trap, the trap in input and output material
Trapping effect be evidently poor, naphthalene pans tank body pressure in input and output material will be slow rising, and trap drain starts to have
A large amount of naphthalene gas are blown out, and are caused unnecessary waste, are polluted the environment simultaneously.
Summary of the invention
The purpose of the utility model is to provide a kind of pair of naphthalenes to carry out effective trapping processing, the environment-friendly type naphthalene to reduce environmental pollution
Trap recovery system.
To achieve the goals above, the technical solution of the utility model is:
A kind of environment-friendly type naphthalene traps recovery system, including naphthalene pans and trap, the trap be at least six groups and
It is serially connected connection, the middle and lower part of each trap outer wall installs external heat tracing part additional, installs additional in the inner cavity of each trap
Interior heat tracing coil pipe, the interior heat tracing coil pipe are formed by horizontal segment and in the bending segment that s shape is bent back and forth, the bending of interior heat tracing coil pipe
Section is arc-shaped, and the horizontal segment of interior heat tracing coil pipe is two, the both ends for the bending segment for being located at interior heat tracing coil pipe form interior heat tracing
Coil inlet end and interior heat tracing coil outlets end, interior heat tracing coil inlet end and interior heat tracing coil outlets end are from the side of trap
Wall is stretched out and is fixed on blind plate, and the blind plate is arranged on the lateral wall of trap, the interior heat tracing disk on the trap at beginning
Tube inlet end is connected to jet chimney, the interior heat tracing coil outlets end connection lime set pipeline on the trap of end, and adjacent two
Interior heat tracing coil pipe in trap is interconnected, the charging that the naphthalene pans pass through the trap at gas phase pipeline connection beginning
Mouthful, the feed inlet of six groups of traps is sequentially connected in series connection, the trap of end is connected to jet pump, the spray by air delivering pipeline
Pump is penetrated by piping connection to incinerator, the drain hole of six groups of traps is sequentially connected in series connection and is connected to magnetic by the pipeline that discharges
Power pump, the magnetic drive pump are connected to naphthalene pans by recovery pipe.
Further, the outside of the trap is cylindrical.
Further, the external heat tracing part is angle bar, and the quantity of the angle bar on each trap outer wall is four, four
Angle bar circumferential asymmetry is even to be arranged on the outer wall of trap.
Further, a through-hole is opened up on the side wall of the trap, the through-hole is corresponding with blind plate, interior heat tracing disk
Tube inlet end and interior heat tracing coil outlets end are stretched out from through-hole and are soldered on blind plate, and the blind plate is circular plate knot
Structure, on blind plate setting two respectively with interior heat tracing coil inlet end, the corresponding circular hole in interior heat tracing coil outlets end.
Further, the interior heat tracing coil outlets end of previous trap and the latter in two adjacent traps
The interior heat tracing coil inlet end of trap is connected.
Further, filter is set between discharging pipeline and the magnetic drive pump.
Further, bypass line is set on the gas phase pipeline, and the bypass line is connected to air delivering pipeline, bypass line
Upper setting valve.
The utility model has the following beneficial effects:
The utility model install additional six groups of traps, during the input and output material of naphthalene pans, by trap to liquid naphthalene into
The vapor heated type of cooling of row, carries out cooling operations step by step, convenient and efficient, effectively prevent environmental pollution, the utility model
Six groups of traps are sequentially connected in series connection, and the drain hole of six groups of traps is sequentially connected in series connection and is connected to magnetic force by the pipeline that discharges
Pump carries out dnockout operation to naphthalene pans by magnetic drive pump, and Trapping ways are closed trapping, maximumlly improve building ring
Border greatly reduces environmental pollution.
The way of recycling of the utility model is changed to closing process operation by open manual work, and trap passes through appendix
Road is connected to jet pump, and jet pump reduces the recycling cost of naphthalene by piping connection to incinerator, greatly mitigates labour
Intensity reduces cost of labor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of environment-friendly type naphthalene trapping recovery system of the utility model.
Fig. 2 is a kind of structural schematic diagram of the trap of environment-friendly type naphthalene trapping recovery system of the utility model.
Fig. 3 is a kind of structural schematic diagram of the interior heat tracing coil pipe of environment-friendly type naphthalene trapping recovery system of the utility model.
Fig. 4 is the structural representation that a kind of blind plate of environment-friendly type naphthalene trapping recovery system of the utility model is fixed on trap
Figure.
Fig. 5 is a kind of structural schematic diagram of the blind plate of environment-friendly type naphthalene trapping recovery system of the utility model.
Numbering in the drawing are as follows: 1 is naphthalene pans, and 2 be trap, and 3 be blind plate, and 4 be gas phase pipeline, and 5 be air delivering pipeline, 6
It is discharging pipeline for jet pump, 7,8 be magnetic drive pump, and 9 be recovery pipe, and 10 be external heat tracing part, and 11 be interior heat tracing coil pipe,
1101 be interior heat tracing coil inlet end, and 1102 be interior heat tracing coil outlets end, and 12 be jet chimney, and 13 be lime set pipeline, and 14 are
Through-hole, 15 be filter, and 16 be bypass line, and 17 be valve, and 18 be incinerator, and 19 be circular hole.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
As shown in fig. 1~fig. 5, a kind of environment-friendly type naphthalene traps recovery system, including naphthalene pans 1 and trap 2, described to catch
Storage 2 is at least six groups and is serially connected connection, and trap 2 described in the present embodiment is six groups, and the outside of trap 2 is in cylinder
Shape, the middle and lower part of each 2 outer wall of trap install external heat tracing part 10 additional, and the external heat tracing part 10 in the present embodiment is angle
Iron, the quantity of the angle bar on each 2 outer wall of trap are four, the even outer wall that trap 2 is arranged in of four angle bar circumferential asymmetries
On, installed additional in the inner cavity of each trap 2 in heat tracing coil pipe 11, the interior heat tracing coil pipe 11 by horizontal segment and in s shape back and forth
The bending segment of bending forms, and the bending segment of interior heat tracing coil pipe 11 is arc-shaped, and the horizontal segment of interior heat tracing coil pipe 11 is two, distinguishes position
Interior heat tracing coil inlet end 1101 and interior heat tracing coil outlets end 1102 are formed in the both ends of the bending segment of interior heat tracing coil pipe 11, it is interior
Heat tracing coil inlet end 1101 and interior heat tracing coil outlets end 1102 are stretched out from the side wall of trap 2 and are fixed on blind plate 3,
The blind plate 3 is arranged on the lateral wall of trap 2, and the interior heat tracing coil inlet end 1101 on the trap 2 at beginning, which is connected to, steams
Steam pipe road 12, the interior heat tracing coil outlets end 1102 on the trap 2 of end are connected to lime set pipeline 13, two adjacent traps
Interior heat tracing coil pipe 11 in 2 is interconnected, specifically, in two adjacent traps 2 previous trap 2 interior heat tracing
Coil outlets end 1102 is connected with the interior heat tracing coil inlet end 1101 of the latter trap 2, passes through interior heat tracing convenient for steam
Coil pipe 11 enters step by step in different groups of trap 2, and the naphthalene pans 1 pass through the trap 2 at the connection of gas phase pipeline 4 beginning
Feed inlet, the feed inlet of six groups of traps 2 is sequentially connected in series connection, the trap 2 of end is connected to jet pump by air delivering pipeline 5
6, by piping connection to incinerator 18, the drain hole of six groups of traps 2 is sequentially connected in series connection and passes through discharging the jet pump 6
Pipeline 7 is connected to magnetic drive pump 8, and the magnetic drive pump 8 is connected to naphthalene pans 1, the discharging pipeline 7 and magnetic by recovery pipe 9
Filter 15 is set between power pump 8.
Specifically, a through-hole 14 is opened up on the side wall of the trap 2 in the present embodiment, the through-hole 14 and blind plate
3 is corresponding, and interior heat tracing coil inlet end 1101 and interior heat tracing coil outlets end 1102 are stretched out from through-hole 14 and be soldered to blind plate 3
On, the blind plate 3 is circular plate structure, on blind plate 3 setting two respectively with interior heat tracing coil inlet end 1101, interior heat tracing
The corresponding circular hole 19 in coil outlets end 1102；The lateral wall of trap 2 corresponds to and is arranged at the position of through-hole 14 in the present embodiment
Ring flange, the ring flange on 2 lateral wall of blind plate 3 and trap are bolted to connection.
The liquid naphthalene of naphthalene pans 1 enters first group of trap of trap 2(at beginning by gas phase pipeline 4), steam passes through
Jet chimney 12 enters in the interior heat tracing coil pipe 11 in the trap 2 at beginning, then passes through the interior heat tracing in the trap 2 at beginning
Trap 2 from coil pipe 11 to rear stage interior heat tracing coil pipe 11 conveying, and so on carry out steam heat-exchanging operation, until arrive end
The 6th group of trap 2(of trap) be converted into lime set from condensate pipe road 13 be discharged, liquid naphthalene by gas phase pipeline 4 enter beginning
Trap 2 carry out preliminary cooling treatment after, enter back into next group of trap 2, until completed in six groups of traps 2 it is cold step by step
But operation, liquid naphthalene after cooling are converged in discharging pipeline 7, after the filtering of filter 15, are beaten liquid naphthalene by magnetic drive pump 8
It is recycled to naphthalene pans 1, the tail gas after cooling of trap 2 is extracted by incinerator 18 by jet pump 6 and is burned
Processing.
The volume of trap 2 is 4.5m3 in the present embodiment, and jet pump 6 is air ejector, the work gas of air ejector
Body pressure is 0.6MPa, and gas temperature is 220 DEG C, gas flow 20Kg/h.
In order to optimize product structure, bypass line 16, the bypass line are set in gas phase pipeline described in the present embodiment 4
16 are connected to air delivering pipelines 5, and valve 17 is arranged on bypass line 16；In 2 operation of trap, can Open valve 17, among naphthalene
The liquid naphthalene of tank 1 is fed directly in air delivering pipeline 5 by bypass line 16, is then sent by jet pump 6 to incinerator 18, effectively
Improve operating efficiency.
The embodiment of the above, the only preferred embodiment of the utility model not limit the utility model
Practical range, therefore all equivalent change or modifications done according to structure, feature and principle described in the utility model patent range,
It should be included in present utility model application the scope of the patents.
Claims (7)
1. a kind of environment-friendly type naphthalene traps recovery system, including naphthalene pans (1) and trap (2), which is characterized in that the trapping
Device (2) is at least six groups and is serially connected connection, and the middle and lower part of each trap (2) outer wall installs external heat tracing part (10) additional,
In the inner cavity of each trap (2) install additional in heat tracing coil pipe (11), the interior heat tracing coil pipe (11) by horizontal segment and in s shape Lai
The bending segment composition of back bending folding, the bending segment of interior heat tracing coil pipe (11) is arc-shaped, the horizontal segment of interior heat tracing coil pipe (11) is two,
The both ends for being located at the bending segment of interior heat tracing coil pipe (11) form interior heat tracing coil inlet end (1101) and interior heat tracing coil pipe goes out
Mouth end (1102), interior heat tracing coil inlet end (1101) and interior heat tracing coil outlets end (1102) are from the side wall of trap (2)
It stretches out and is fixed on blind plate (3), the blind plate (3) is arranged on the lateral wall of trap (2), on the trap (2) at beginning
Interior heat tracing coil inlet end (1101) be connected to jet chimney (12), the interior heat tracing coil outlets end on the trap (2) of end
(1102) lime set pipeline (13) are connected to, the interior heat tracing coil pipe (11) in two adjacent traps (2) is interconnected, in the naphthalene
Between tank (1) be connected to by gas phase pipeline (4) beginning trap (2) feed inlet, the feed inlet of six groups of traps (2) successively goes here and there
Connection is connected to, the trap (2) of end is connected to jet pump (6) by air delivering pipeline (5), and the jet pump (6) passes through pipeline and connects
It is connected to incinerator (18), the drain hole of six groups of traps (2) is sequentially connected in series connection and is connected to magnetic drive pump by discharging pipeline (7)
(8), the magnetic drive pump (8) is connected to naphthalene pans (1) by recovery pipe (9).
2. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that the trap (2)
It is external cylindrical.
3. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that the external heat tracing part
It (10) is angle bar, the quantity of the angle bar on each trap (2) outer wall is four, and the even setting of four angle bar circumferential asymmetries is trapping
On the outer wall of device (2).
4. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that the trap (2)
A through-hole (14) is opened up on side wall, the through-hole (14) is corresponding with blind plate (3), interior heat tracing coil inlet end (1101) and interior
Heat tracing coil outlets end (1102) is stretched out from through-hole (14) and is soldered on blind plate (3), and the blind plate (3) is circular plate
Structure, setting two is opposite with interior heat tracing coil inlet end (1101), interior heat tracing coil outlets end (1102) respectively on blind plate (3)
The circular hole (19) answered.
5. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that caught described in adjacent two
The interior heat tracing coil pipe at the interior heat tracing coil outlets end (1102) of previous trap (2) and the latter trap (2) in storage (2)
Arrival end (1101) is connected.
6. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that the discharging pipeline (7)
Filter (15) are set between magnetic drive pump (8).
7. a kind of environment-friendly type naphthalene according to claim 1 traps recovery system, which is characterized in that the gas phase pipeline (4)
Upper setting bypass line (16), the bypass line (16) are connected to air delivering pipeline (5), and valve is arranged on (16) in bypass line
(17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746364.4U CN208975455U (en) | 2018-10-26 | 2018-10-26 | A kind of environment-friendly type naphthalene trapping recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746364.4U CN208975455U (en) | 2018-10-26 | 2018-10-26 | A kind of environment-friendly type naphthalene trapping recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208975455U true CN208975455U (en) | 2019-06-14 |
Family
ID=66789199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821746364.4U Active CN208975455U (en) | 2018-10-26 | 2018-10-26 | A kind of environment-friendly type naphthalene trapping recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208975455U (en) |
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2018
- 2018-10-26 CN CN201821746364.4U patent/CN208975455U/en active Active
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