CN209612607U - A kind of high efficiency, low cost phosgene processing system - Google Patents
A kind of high efficiency, low cost phosgene processing system Download PDFInfo
- Publication number
- CN209612607U CN209612607U CN201821989740.2U CN201821989740U CN209612607U CN 209612607 U CN209612607 U CN 209612607U CN 201821989740 U CN201821989740 U CN 201821989740U CN 209612607 U CN209612607 U CN 209612607U
- Authority
- CN
- China
- Prior art keywords
- phosgene
- spray
- low cost
- high efficiency
- processing system
- 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.)
- Expired - Fee Related
Links
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000007921 spray Substances 0.000 claims abstract description 90
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 has washing Chemical compound 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a kind of high efficiency, low cost phosgene processing system, exhausting system, level-one spray system and second level including being sequentially communicated hydrolyze absorption system；The level-one spray system has spray column and circulating sprayer；Phosgene air inlet is provided on the spray tower side wall, top is provided with phosgene gas outlet；The phosgene air inlet is connected to by admission line with exhausting system, and phosgene gas outlet hydrolyzes absorption system with second level by outlet pipe and is connected to.This system uses two-stage treatment measure, realizes high efficiency, low cost, phosgene without secondary pollution processing, solve existing phosgene processing technique there is technical issues that low efficiency, it is at high cost, be easy to produce.
Description
Technical field
The utility model relates generally to chemical industry, thermal technology is also easy to produce phosgene field, and in particular to a kind of high efficiency, low cost phosgene
Processing system.
Background technique
With the reinforcement of everybody environmental consciousness, the processing of phosgene is increasingly by everybody attention.Phosgene severe toxicity, and easily expand
It dissipates, will cause great air pollution.The measure of conventional process phosgene mainly has washing, soda solution grouting, ammonia process, steaming process, catalysis
Hydrolyze method etc..
WATER-WASHING METHOD has aggressive, and can generate water pollution and gradually be eliminated since phosgene meets water decomposition；Soda solution grouting
A large amount of basic matterials can be consumed, cost is excessively high, and acid-base neutralization reaction can generate big calorimetric, and such as processing can reduce processing not in time
Effect；Ammonia process itself since ammonium hydroxide irritation is very strong, such as handle it is bad can bring secondary pollution, and equipment cost is too high；Steam
Method cost of equipment is too high, and water consumption is huge；Catalyzed hydrolytic methods, treatment effect is fine, but cost of equipment is too high, and catalyst
Use also add additional cost.Therefore, go out from the angle for meeting ecological requirements, reducing investment cost and simplifying device structure
Hair needs to research and develop a kind of environmentally friendly, efficiently, inexpensive phosgene treatment facility, of the existing technology to solve the problems, such as.
Utility model content
The purpose of this utility model is that: a kind of high efficiency, low cost phosgene processing system is provided, the system for phosgene this
Kind of poisonous and harmful substance, using two-stage treatment measure, solve existing phosgene processing technique there are low efficiency, it is at high cost, be easy to produce
The technical issues of raw secondary pollution.
The technical solution adopted in the utility model is as follows:
A kind of high efficiency, low cost phosgene processing system, it is characterised in that: exhausting system, level-one including being sequentially communicated spray
System and second level hydrolyze absorption system；The level-one spray system has spray column and circulating sprayer；The spray column side
Phosgene air inlet is provided on wall, top is provided with phosgene gas outlet；The phosgene air inlet passes through admission line and exhausting system
System connection, phosgene gas outlet hydrolyze absorption system with second level by outlet pipe and are connected to.
Further, the circulating sprayer includes circulating line, water pump and atomizing spray mechanism；The atomizing spray
Mechanism is arranged in spray column in Spaced；Described circulating line one end respectively with each atomizing spray mechanism connection, the other end
It is connected to water pump；The water pump is connected to spray column bottom end.
Further, the atomizing spray mechanism has more spaced spray tubes, and each spray tube, which collects, to be connected to
Circulating line, and set multiple atomizers on every spray tube in a row.
Further, the spray direction of the atomizer is straight up.
Further, the spray column bottom end is wholely set the header tank of protrusion, and the header tank is connect with spray column
Place is provided with connection opening.
Further, the water pump is connected to by pipeline with header tank bottom end.
Further, the exhausting system includes interconnected draught hood and corrosion resistant fan, the corrosion resistant fan
It is connected to by admission line with phosgene air inlet.
Further, the admission line extends to bottom end in spray column from phosgene air inlet.
Further, the second level hydrolysis absorption system has reactor tank；Be provided at the top of the reactor tank air inlet and
Inlet, side wall top are provided with exhaust outlet, and bottom is provided with leakage fluid dram；The outlet pipe extends to reactor tank from air inlet
It is internal.
Further, the admission line and outlet pipe are made of glass steel material.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. phosgene processing system described in this programme realizes high efficiency, low cost, without secondary using two-stage treatment measure
The phosgene of pollution is handled, and has important environment protection significance.
2. phosgene processing system described in this programme, phosgene first passes through spray liquid initial absorption in level-one spray system, so
Process is absorbed using atomizing spray liquid atomization absorption twice afterwards, it is maximized to remove the phosgene contained in gas, absorption efficiency
It is high.
3. phosgene processing system described in this programme, circulating sprayer are set as multilayered structure in spray column, according to
Actual needs, can in spray column arranging multiplayer atomizing spray mechanism, realize optimal atomization absorption effect.
4. phosgene processing system described in this programme, in level-one spray system, spray column bottom end is wholely set protrusion
Header tank, the spray liquid being conveniently replaceable in spray column.
5. phosgene processing system described in this programme, structure is simple and convenient to operate that controllable, cost of investment is low, absorption efficiency
Height, environmentally protective, efficiently solving existing phosgene processing technique, there are low efficiencys, skill at high cost, being easy to produce secondary pollution
Art problem.
6. each ventilation pipe of phosgene processing system described in this programme is all made of glass steel material and is made, phosgene is effectively avoided
Corrosion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model high efficiency, low cost phosgene processing system.
In the figure, it is marked as 1- exhausting system, 2- level-one spray system, 3- second level hydrolyze absorption system, 11- draught hood, 12-
Corrosion resistant fan, 13- admission line, 21- spray column, 22- header tank, 23- water pump, 24- circulating line, 25- spray tube, 26-
Atomizer, 27- collection conduits, 28- outlet pipe, 31- reactor tank, 32- terminal exhaust pipe, 33- terminal drain pipe.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
It elaborates with reference to the accompanying drawing to the utility model.
A kind of high efficiency, low cost phosgene processing system as shown in Figure 1, exhausting system 1, level-one including being sequentially communicated are sprayed
Leaching system 2 and second level hydrolyze absorption system 3.
In particular, the level-one spray system 2 has spray column 21 and circulating sprayer, 21 side wall of spray column
On be provided with phosgene air inlet, top is provided with phosgene gas outlet.Admission line 13 is provided on the phosgene air inlet, it is described
Admission line 13 extends to bottom end in spray column 21 from phosgene air inlet；Outlet pipe 28 is provided on the phosgene gas outlet.
The header tank 22 that the bottom end integrated setting of the spray column 21 has one to outwardly protrude, the header tank 22 are connected with spray column 21
A face in opening setting, which makes header tank 22 and spray column 21 be interconnected.
The circulating sprayer includes circulating line 24, water pump 23 and atomizing spray mechanism；The atomizing spray mechanism
It is arranged in spray column 21 in Spaced；Described 24 one end of circulating line respectively with each atomizing spray mechanism connection, the other end
It is connected to water pump 23；The water pump 23 is connected to 21 bottom end of spray column.In particular, the water pump 23 passes through pipeline and header tank
The connection of 22 bottoms, the water pump 23 are arranged on header tank 22.
It is provided with spray liquid at the top of the header tank 22, mouth is added, spray liquid is added mouth and passes through seal cap sealing；The collection
22 bottom of water tank is provided with drainpipe, for excluding the spray liquid in header tank 22 and spray column 21.
The atomizing spray mechanism has more spaced spray tubes 25, and each spray tube 25, which collects, is connected to circulation pipe
Road 24, and set multiple atomizers 26 on every spray tube 25 in a row, the spray direction of the atomizer 26 vertically to
On.In particular, more spray tubes 25 can be by the collection conduits 27 and circulating line that are fixed on 21 inner wall of spray column
24 connections；The collection conduits 27 can be fixed on 21 inner wall of spray column by welding or usual pipeline fixer, fastener etc.
On, the spray tube 25 is connected in collection conduits 27 by threeway respectively.
The exhausting system 1 includes interconnected draught hood 11 and corrosion resistant fan 12, and the corrosion resistant fan 12 is logical
It crosses inside admission line 13 and spray column 21 and is connected to.
The second level hydrolysis absorption system 3 has reactor tank 31；Air inlet, side wall top are provided at the top of the reactor tank 31
End is provided with exhaust outlet and inlet, and bottom is provided with leakage fluid dram；The outlet pipe 28 extends to reactor tank 31 from air inlet
It is internal.In particular, being provided with terminal exhaust pipe 32 on the exhaust outlet, terminal drain pipe 33 is provided on the leakage fluid dram,
Input duct is provided on the inlet.
System described in this programme, the company between admission line 13, outlet pipe 28, draught hood 11 and corrosion resistant fan 12
Adapter tube road is all made of glass-reinforced plastic material and is made, and prevents phosgene corrosion pipeline.In addition, the reactor tank 31, spray column 21 also use
Glass-reinforced plastic material is made.
In order to guarantee the sealing effect of system, each gas circuit and fluid path junction are provided with sealing mechanism in this system, institute
Category field it will be appreciated by the skilled person that in the transmission process of gas circuit and fluid path, setting sealing mechanism is usual technology hand
Section, in practice according to properties such as the air-liquid property of conveying, temperature, can be selected suitable sealing mechanism such as sealing ring, gasket,
Sealed connecting component etc..
Before the operation of high efficiency, low cost phosgene processing system described in this programme, 10~20%NaOH alkali is added into header tank 22
For property solution as spray liquid, spray liquid floods 135~10 cm height of admission line；10~20% are added into reactor tank 31
For NaOH alkaline solution as absorbing liquid, absorbing liquid floods 135~10 cm height of admission line.Start water pump 23, water when operation
It is atomization in spray column 21 after the spray liquid circulation of 21 bottom of spray column is pumped into atomizing spray mechanism by pump 23；Start corrosion-resistant
Blower 12, phosgene suck admission line 13 from draught hood 11, are then drained to spray liquid liquid level hereinafter, phosgene by admission line 13
By spray liquid initial absorption, rise in spray column 21 containing the gas for not being absorbed phosgene, the mist formed in spray column 21
Shape spray liquid continues spray-absorption, then enters reactor tank 31 from outlet pipe 28, and the phosgene absorbed liquid contained in gas is net
Change and absorb, purified gas is discharged from terminal exhaust pipe 32.
Phosgene is all collected by exhausting system 1, can calculate exhaust fan according to actual needs by system described in this programme
Watt level, and level-one spray system 2 is input to by phosgene is collected；Level-one spray system 2 phosgene of collection is hydrolyzed and
First order reaction, and product after hydrolysis and excessive gas are delivered to second level hydrolysis absorption system 3；Second level hydrolyzes absorption system 3 will
First order reaction product and extra phosgene carry out abundant reactive absorption.The harm of phosgene bring is effectively solved, it is raw by its reactive absorption
At the inorganic salts without any harm, i.e. NaCl saturated solution, and whole process is safely controllable, and processing cost is not high.
The above are the main feature of this programme and its advantages, It should be understood by those skilled in the art that this programme is not
It is restricted to the described embodiments, the above embodiments and description only describe the principles of this programme, are not departing from this
Under the premise of scheme spirit and scope, this programme be will also have various changes and improvements, these changes and improvements both fall within requirement and protect
In the scope of the invention of shield, this programme is claimed range and is defined by the appending claims and its equivalent thereof.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediate media
It connects connected, can be the connection inside two elements.It for the ordinary skill in the art, can be as the case may be
Understand the concrete meaning of above-mentioned term in the present invention.
Claims (10)
1. a kind of high efficiency, low cost phosgene processing system, it is characterised in that: exhausting system (1), level-one including being sequentially communicated are sprayed
Leaching system (2) and second level hydrolysis absorption system (3)；There are the level-one spray system (2) spray column (21) and circulated sprinkling to fill
It sets；It is provided with phosgene air inlet on spray column (21) side wall, top is provided with phosgene gas outlet；The phosgene air inlet is logical
It crosses admission line (13) to be connected to exhausting system (1), phosgene gas outlet hydrolyzes absorption system by outlet pipe (28) and second level
(3) it is connected to.
2. high efficiency, low cost phosgene processing system according to claim 1, it is characterised in that: the circulating sprayer packet
Include circulating line (24), water pump (23) and atomizing spray mechanism；The atomizing spray mechanism is arranged in Spaced in spray column
(21) in；Respectively with each atomizing spray mechanism connection, the other end is connected to water pump (23) for described circulating line (24) one end；It is described
Water pump (23) is connected to spray column (21) bottom end.
3. high efficiency, low cost phosgene processing system according to claim 2, it is characterised in that: the atomizing spray mechanism tool
There are more spaced spray tubes (25), each spray tube (25), which is collected, to be connected to circulating line (24), and every spray tube
(25) multiple atomizers (26) have been set in a row.
4. high efficiency, low cost phosgene processing system according to claim 3, it is characterised in that: the atomizer (26)
Spray direction straight up.
5. high efficiency, low cost phosgene processing system according to claim 2, it is characterised in that: spray column (21) bottom end
It is wholely set the header tank (22) of protrusion, the header tank (22) is provided with spray column (21) junction and is connected to opening.
6. high efficiency, low cost phosgene processing system according to claim 5, it is characterised in that: the water pump (23) passes through pipe
Road is connected to header tank (22) bottom end.
7. high efficiency, low cost phosgene processing system according to claim 1, it is characterised in that: exhausting system (1) packet
Interconnected draught hood (11) and corrosion resistant fan (12) are included, the corrosion resistant fan (12) passes through admission line (13) and light
The connection of gas air inlet.
8. high efficiency, low cost phosgene processing system according to claim 1 or claim 7, it is characterised in that: the admission line
(13) spray column (21) interior bottom end is extended to from phosgene air inlet.
9. high efficiency, low cost phosgene processing system according to claim 1, it is characterised in that: the second level hydrolysis absorbs system
(3) are united with reactor tank (31)；It is provided with air inlet and inlet at the top of the reactor tank (31), side wall top is provided with exhaust
Mouthful, bottom is provided with leakage fluid dram；The outlet pipe (28) extends to reactor tank (31) inside from air inlet.
10. high efficiency, low cost phosgene processing system according to claim 1, it is characterised in that: the admission line (13)
It is made with outlet pipe (28) of glass steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989740.2U CN209612607U (en) | 2018-11-29 | 2018-11-29 | A kind of high efficiency, low cost phosgene processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989740.2U CN209612607U (en) | 2018-11-29 | 2018-11-29 | A kind of high efficiency, low cost phosgene processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209612607U true CN209612607U (en) | 2019-11-12 |
Family
ID=68444634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821989740.2U Expired - Fee Related CN209612607U (en) | 2018-11-29 | 2018-11-29 | A kind of high efficiency, low cost phosgene processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209612607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117180967A (en) * | 2023-10-23 | 2023-12-08 | 上海市政工程设计研究总院（集团）有限公司 | Exhaust gas treatment system |
-
2018
- 2018-11-29 CN CN201821989740.2U patent/CN209612607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117180967A (en) * | 2023-10-23 | 2023-12-08 | 上海市政工程设计研究总院（集团）有限公司 | Exhaust gas treatment system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |