CN219848588U - Tail gas treatment device for benzyl chloride production - Google Patents
Tail gas treatment device for benzyl chloride production Download PDFInfo
- Publication number
- CN219848588U CN219848588U CN202321080146.2U CN202321080146U CN219848588U CN 219848588 U CN219848588 U CN 219848588U CN 202321080146 U CN202321080146 U CN 202321080146U CN 219848588 U CN219848588 U CN 219848588U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- fixed
- liquid receiving
- silk screen
- benzyl chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229940073608 benzyl chloride Drugs 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000006260 foam Substances 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 47
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000008531 maintenance mechanism Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 239000008258 liquid foam Substances 0.000 abstract description 17
- 239000007789 gas Substances 0.000 description 59
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 238000005660 chlorination reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model discloses a tail gas treatment device for benzyl chloride production, which belongs to the technical field of benzyl chloride production and aims at the problems that a wire mesh foam remover added in the prior art is low in dropping speed and inconvenient to assemble, disassemble and overhaul; according to the utility model, through the arranged vibration mechanism, vibration generated by intermittently opening the vibrator can accelerate liquid foam accumulated on the wire mesh foam remover to drop, and the tail gas treatment efficiency can be improved in a manner of rapidly removing the liquid foam on the wire mesh foam remover.
Description
Technical Field
The utility model belongs to the technical field of benzyl chloride production, and particularly relates to a tail gas treatment device for benzyl chloride production.
Background
The method is characterized in that toluene and chlorine are generally adopted for carrying out photochlorination reaction to produce benzyl chloride in industry, a large amount of hydrogen chloride tail gas generated in the reaction process is entrained with free toluene, benzyl chloride and other organic matters, the free toluene, the benzyl chloride and other organic matters cannot be completely and effectively removed by the existing cooling method, the material loss can be caused if the free toluene, the benzyl chloride and the free benzyl chloride are not treated or are insufficiently treated, meanwhile, the environment can be polluted, a tail gas treatment device for benzyl chloride production is described in China application No. 201620596831.4, and the tail gas treatment device comprises a condenser and an absorption tank, and a tail gas tank is arranged between the condenser and the absorption tank; the upper end of the condenser is connected with the chlorination reactor, and the lower end of the condenser is connected with the tail gas tank; the upper end of the tail gas tank is connected with the absorption tank, the lower end of the tail gas tank is connected with the side wall of the upper end of the chlorination reactor, and a silk screen foam remover is arranged in the tail gas tank.
According to the technical scheme, the silk screen foam remover is additionally arranged in the tail gas tank to filter residual liquid foam in hydrogen chloride tail gas passing through the condenser, but the tail gas can be coalesced into larger liquid drops at the bottom of the tail gas when passing through the silk screen foam remover, and then the liquid drops fall down by means of the gravity of the liquid drops, as the silk screen of the silk screen foam remover is provided with a plurality of layers, the coalescence of the liquid drops on the silk screen at the bottommost part can take a certain time, the natural dropping speed of the liquid foam filtered by the tail gas is slow, the liquid foam is blocked to enable the tail gas to pass through and the treatment efficiency to be general, and in the technical scheme, the silk screen foam remover is fixed in the tail gas tank to enable the tail gas to be disassembled and overhauled to be difficult.
Therefore, a tail gas treatment device for benzyl chloride production is needed, and the problems that the dropping speed of a silk screen foam remover additionally arranged in the prior art is low and the disassembly and the maintenance are inconvenient are solved.
Disclosure of Invention
The utility model aims to provide a tail gas treatment device for benzyl chloride production, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tail gas processing apparatus for benzyl chloride production, includes the tail gas jar, the top of tail gas jar is provided with the absorption jar, the inside of tail gas jar is provided with the silk screen foam remover, the silk screen foam remover includes silk screen foam removing net pad and fixed grid, silk screen foam removing net pad sets up the inside at the tail gas jar, two fixed grid fixes upper end and the lower extreme at silk screen foam removing net pad respectively, silk screen foam remover surface is provided with vibration mechanism, vibration mechanism includes vibrator and buffering rubber ring, the upper surface center department at upper portion fixed grid of vibrator, the buffering rubber ring is fixed on the outer anchor face of two fixed grids, the bottom of tail gas jar is provided with maintenance mechanism, maintenance mechanism includes connects liquid box, hydraulic push rod, equipment sleeve pipe and equipment inserted bar, the bottom at the tail gas jar is set up to connect liquid box bottom, hydraulic push rod sets up the centre of a circle department at liquid box bottom, the equipment sleeve pipe is fixed in the inner bottom wall centre of a circle department that connects liquid box, the equipment inserted bar is fixed at fixed centre of a circle under the fixed grid.
In the scheme, the buffer rubber ring is attached to the inner wall of the tail gas tank, the surface of the tail gas tank is provided with a through inlet communicated with the inner cavity of the tail gas tank, and the through inlet is arranged below the silk screen foam remover.
It is further worth to say that the bottom of hydraulic push rod is fixed subaerial, the centre of a circle department of receiving liquid box bottom is fixed to hydraulic push rod's output shaft, the lower limb department of receiving liquid box outer ring face is fixed with the guide ring.
It should be further noted that, connect the inside of liquid box to offer and connect the liquid room, the up end centre of a circle department of equipment sleeve pipe has offered the equipment socket that matches with the equipment inserted bar.
As a preferred implementation mode, the outer surface of the tail gas tank is sleeved and fixed with a fixing seat, the lower surface of the fixing seat is fixed with a lifting bracket, and the guide ring is sleeved and arranged on the surface of the lifting bracket.
As a preferable implementation mode, a discharge hole is fixed at the bottom of the liquid receiving box and is communicated with a liquid receiving chamber of the liquid receiving box, and a condenser is connected to one end of the inlet through a pipe.
Compared with the prior art, the tail gas treatment device for benzyl chloride production provided by the utility model at least comprises the following beneficial effects:
through the vibration mechanism that sets up, the vibration that the vibrator work that opens is interrupted and is produced can accelerate the liquid foam that gathers on the silk screen demister and drop, and the mode of liquid foam on the quick clear away silk screen demister can promote tail gas treatment efficiency.
The overhauling mechanism is arranged, in the using process, the mode that the liquid receiving box and the tail gas tank can be separated can expose the wire mesh foam remover so as to carry out overhauling work, and the wire mesh foam remover is embedded and assembled in the assembling sleeve of the liquid receiving box through the assembling inserting rod, so that the wire mesh foam remover can be rapidly disassembled and the aim of rapid replacement is fulfilled.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a perspective view of the structure of the liquid receiving box of the utility model;
fig. 3 is a perspective view of a split structure of the wire mesh demister of the present utility model.
In the figure: 1. a tail gas tank; 2. an absorption tank; 3. a liquid receiving box; 4. a fixing seat; 5. a vent port; 6. raising the bracket; 7. a discharge port; 8. a hydraulic push rod; 9. assembling the sleeve; 10. assembling a sleeve opening; 11. assembling the inserted link; 12. a wire mesh defoaming mesh pad; 13. fixing the grille; 14. a vibrator; 15. buffering rubber rings; 16. a liquid receiving chamber; 17. a guide ring.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-3, the utility model provides a tail gas treatment device for benzyl chloride production, which comprises a tail gas tank 1, wherein an absorption tank 2 is arranged at the top of the tail gas tank 1, a wire mesh foam remover is arranged in the tail gas tank 1, the wire mesh foam remover comprises a wire mesh foam removing net pad 12 and a fixed grating 13, the wire mesh foam removing net pad 12 is arranged in the tail gas tank 1, the two fixed gratings 13 are respectively fixed at the upper end and the lower end of the wire mesh foam removing net pad 12, the surface of the wire mesh foam remover is provided with a vibration mechanism, the vibration mechanism comprises a vibrator 14 and a buffer rubber ring 15, the vibrator 14 is fixed at the center of the upper surface of the upper fixed grating 13, the buffer rubber ring 15 is fixed on the outer ring surface of the two fixed gratings 13, an overhaul mechanism is arranged at the bottom of the tail gas tank 1, the overhaul mechanism comprises a liquid receiving box 3, a hydraulic push rod 8, an assembly sleeve 9 and an assembly plug 11, the liquid receiving box 3 is arranged at the bottom of the tail gas tank 1, the hydraulic push rod 8 is arranged at the center of the bottom of the liquid receiving box 3, the assembly sleeve 9 is fixed at the inner bottom wall of the liquid receiving box 3, the center of the assembly sleeve 11 is fixed at the center of the liquid receiving box 3, and the assembly plug 11 is fixed at the center of the bottom of the surface of the fixed plug 13.
Further, as shown in fig. 2 and 3, it is worth specifically explaining that the buffer rubber ring 15 is attached to the inner wall of the tail gas tank 1, the surface of the tail gas tank 1 is provided with an inlet 5 communicated with the inner cavity of the tail gas tank, and the inlet 5 is arranged below the wire mesh foam remover.
Further, as shown in fig. 3, it is worth specifically explaining that the bottom of the hydraulic push rod 8 is fixed on the ground, the output shaft of the hydraulic push rod 8 is fixed at the center of the bottom of the liquid receiving box 3, and the guiding ring 17 is fixed at the lower edge of the outer ring surface of the liquid receiving box 3.
The scheme comprises the following working processes: before using, the one end of leading-in mouth 5 is connected to the condenser through the pipe, and be connected with the chlorination reactor on the condenser, when using, hydrogen chloride tail gas gets into tail gas jar 1 after the condenser cooling, filter the liquid foam that suspends in tail gas through the silk screen foam remover, the liquid foam accumulates on the silk screen foam remover, in this process, the vibration that the vibrator 14 work that opens intermittently produced can accelerate the liquid foam that gathers on the silk screen foam remover and drop, and the mode of the liquid foam on the quick clear silk screen foam remover can promote tail gas treatment efficiency, the hydrogen chloride gas after the filtering liquid foam gets into in the absorption jar 2 through tail gas jar 1 top and carries out reprocessing recovery.
The working process can be as follows: the vibration that the vibrator 14 that opens intermittently work produced can accelerate the liquid foam that gathers on the silk screen demister and drop, and the mode of cleaing away liquid foam on the silk screen demister fast can promote tail gas treatment efficiency, and the hydrogen chloride gas after filtering liquid foam gets into in the absorption tank 2 through tail gas tank 1 top and carries out the reprocessing recovery.
As further shown in fig. 1, 2 and 3, it should be noted that the liquid receiving box 3 is provided with a liquid receiving chamber 16 inside, and the center of the upper end surface of the assembly sleeve 9 is provided with an assembly socket 10 matched with the assembly inserting rod 11.
Further, as shown in fig. 3, it is worth specifically explaining that the fixing seat 4 is sleeved and fixed on the outer surface of the tail gas tank 1, the lifting support 6 is fixed on the lower surface of the fixing seat 4, the guide ring 17 is sleeved and arranged on the surface of the lifting support 6, in the use process, the hydraulic push rod 8 is started, the output end of the hydraulic push rod 8 drives the liquid receiving box 3 to descend until the wire mesh foam removing mesh pad 12 is separated from the lower port of the tail gas tank 1, the liquid receiving box 3 and the tail gas tank 1 can be separated to expose the wire mesh foam remover so as to carry out maintenance work, and the wire mesh foam remover is embedded and assembled in the assembling sleeve 9 of the liquid receiving box 3 through the assembling inserting rod 11, so that the wire mesh foam remover can be rapidly disassembled and the aim of rapid replacement can be achieved.
Further, as shown in fig. 1, it is worth specifically explaining that the bottom of the liquid receiving box 3 is fixed with a discharge port 7, the discharge port 7 is communicated with a liquid receiving chamber 16 of the liquid receiving box 3, and one end of the inlet 5 is connected with a condenser through a pipe.
To sum up: the vibration generated by the intermittent starting vibrator 14 can accelerate the liquid foam accumulated on the wire mesh foam remover to drop, and the tail gas treatment efficiency can be improved in a mode of rapidly removing the liquid foam on the wire mesh foam remover; in the use, connect liquid box 3 and the mode that tail gas jar 1 can supply the separation can expose the silk screen foam remover so that overhaul work, and the silk screen foam remover is through the equipment inserted bar 11 embedding equipment in the equipment sleeve pipe 9 that connects liquid box 3 to can dismantle the silk screen foam remover fast and reach swift purpose of changing.
The LZF-10 vibrator can be purchased in the market and is provided with a power supply, and is fully disclosed in the art, so that the description is not repeated.
Claims (6)
1. A tail gas processing apparatus for benzyl chloride production, includes tail gas jar (1), the top of tail gas jar (1) is provided with absorption tank (2), the inside of tail gas jar (1) is provided with silk screen demister, its characterized in that: the utility model provides a silk screen foam remover, includes silk screen foam removing net pad (12) and fixed grid (13), silk screen foam removing net pad (12) set up the inside at tail gas jar (1), two fixed grid (13) are fixed respectively in upper end and the lower extreme of silk screen foam removing net pad (12), silk screen foam remover surface is provided with vibration mechanism, vibration mechanism includes vibrator (14) and buffering rubber ring (15), the upper surface center department at upper portion fixed grid (13) is fixed to vibrator (14), buffering rubber ring (15) are fixed on the outer anchor ring of two fixed grids (13), the bottom of tail gas jar (1) is provided with maintenance mechanism, maintenance mechanism includes liquid receiving box (3), hydraulic push rod (8), equipment sleeve pipe (9) and equipment inserted bar (11), liquid receiving box (3) set up the bottom at tail gas jar (1), hydraulic push rod (8) set up the centre of a circle in liquid receiving box (3) bottom, equipment sleeve pipe (9) are fixed in the centre of a circle of fixed surface department at bottom fixed grid (13).
2. A tail gas treatment device for benzyl chloride production according to claim 1, wherein: the buffer rubber ring (15) is attached to the inner wall of the tail gas tank (1), the surface of the tail gas tank (1) is provided with a through inlet (5) communicated with the inner cavity of the tail gas tank, and the through inlet (5) is arranged below the silk screen foam remover.
3. A tail gas treatment device for benzyl chloride production according to claim 2, wherein: the bottom of the hydraulic push rod (8) is fixed on the ground, an output shaft of the hydraulic push rod (8) is fixed at the center of the bottom of the liquid receiving box (3), and a guide ring (17) is fixed at the lower edge of the outer ring surface of the liquid receiving box (3).
4. A tail gas treatment device for benzyl chloride production according to claim 3, wherein: the liquid receiving box (3) is internally provided with a liquid receiving chamber (16), and the center of the upper end surface of the assembly sleeve (9) is provided with an assembly sleeve opening (10) matched with the assembly inserting rod (11).
5. The tail gas treatment device for benzyl chloride production according to claim 4, wherein: the exhaust tank is characterized in that a fixed seat (4) is fixedly sleeved on the outer surface of the exhaust tank (1), a lifting support (6) is fixedly arranged on the lower surface of the fixed seat (4), and a guide ring (17) is sleeved on the surface of the lifting support (6).
6. The tail gas treatment device for benzyl chloride production according to claim 5, wherein: the bottom of the liquid receiving box (3) is fixedly provided with a discharge opening (7), the discharge opening (7) is communicated with a liquid receiving chamber (16) of the liquid receiving box (3), and one end of the inlet (5) is connected with a condenser through a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080146.2U CN219848588U (en) | 2023-05-08 | 2023-05-08 | Tail gas treatment device for benzyl chloride production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080146.2U CN219848588U (en) | 2023-05-08 | 2023-05-08 | Tail gas treatment device for benzyl chloride production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848588U true CN219848588U (en) | 2023-10-20 |
Family
ID=88341378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321080146.2U Active CN219848588U (en) | 2023-05-08 | 2023-05-08 | Tail gas treatment device for benzyl chloride production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848588U (en) |
-
2023
- 2023-05-08 CN CN202321080146.2U patent/CN219848588U/en active Active
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| GR01 | Patent grant |