CN203744755U - Condenser - Google Patents
Condenser Download PDFInfo
- Publication number
- CN203744755U CN203744755U CN201320801513.3U CN201320801513U CN203744755U CN 203744755 U CN203744755 U CN 203744755U CN 201320801513 U CN201320801513 U CN 201320801513U CN 203744755 U CN203744755 U CN 203744755U
- Authority
- CN
- China
- Prior art keywords
- liquid
- condenser
- chamber
- pipeline section
- condensation chamber
- 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
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A condenser comprises a condenser casing and is characterized in that an upper baffle and a lower baffle are arranged inside the condenser casing; the condenser casing is divided into an upper air chamber, a condensation chamber and a liquid storage chamber which are arranged from top down by the upper baffle and the lower baffle; a plurality of heat exchange pipes are arranged in the condensation chamber; the lower ends of the heat exchange pipes are communicated with the chamber of the liquid storage chamber; the upper ends of the heat exchange pipes are communicated with the chamber of the upper air chamber; a coolant inlet and a coolant outlet are formed in the side wall of the condensation chamber; an air inlet is formed in the upper air chamber; an air outlet and a liquid returning opening are formed in the side wall of the liquid storage chamber; the air outlet is positioned above the liquid returning opening; a liquid emptying opening is formed in the bottom of the liquid storage chamber. The condenser can be applied to phthalocyanine compound production, and vapor and carrier solvent steam in mixed gas containing ammonia gas, carbon dioxide, vapor and carrier solvent steam can be condensed into liquid and separated out, so that a carrier solvent can be recycled and reused, and mixed gas of ammonia gas and carbon dioxide, which meets the requirements, can be generated.
Description
Technical field
The utility model relates to a kind of condenser.
Background technology
At phthalocyanine compound production field, reaction speed is fast, yield is high because having for solvent method, easy control, quality are good, pollute less and save the advantages such as the energy, is applied more and more widely.Solvent method is divided into one-step method and two step method, produce in the process of phthalocyanine compounds at employing two step solvent methods, need in a reactor, drop into carrier solvent, phthalic anhydride, urea, metal chloride, the material such as catalyst and additive, urea generation decomposition reaction in reaction in this reactor and complex reaction process, generate ammonia, carbon dioxide and water, part carrier solvent is (as alkylbenzene simultaneously, trichloro-benzenes or nitrobenzene) evaporation, like this, in the mist that this reactor produces, contain ammonia, carbon dioxide, the compositions such as steam and carrier solvent steam.In above-mentioned mist, ammonia and carbon dioxide need be isolated and for subsequent reactions, carrier solvent can add in reactor after reclaiming again, and water needs to remove.Therefore, water in mist, carrier solvent are separated success, carrier solvent being recycled, and produced the gaseous mixture of satisfactory ammonia and carbon dioxide, is that success adopts two step method solvent method to produce the key of phthalocyanine compound.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of condenser, this condenser can be used for phthalocyanine compound and produces, steam in the mist that contains ammonia, carbon dioxide, steam and carrier solvent steam can be become to liquid and separates with carrier solvent steam condensing, carrier solvent is recycled, and produced the gaseous mixture of satisfactory ammonia and carbon dioxide.The technical scheme adopting is as follows:
A kind of condenser, comprise condenser shell, it is characterized in that: in described condenser shell, be provided with upper spacer and lower clapboard, upper spacer and lower clapboard are separated into condenser shell upper chamber, condensation chamber and the fluid reservoir arranged from top to bottom, in condensation chamber, be provided with multiple heat-exchange tubes, heat-exchange tube lower end is communicated with the cavity of fluid reservoir, heat-exchange tube upper end is communicated with the cavity of upper chamber, the sidewall of condensation chamber is provided with cooling fluid entrance and cooling liquid outlet, and cooling fluid entrance and cooling liquid outlet are all communicated with the cavity of condensation chamber; Upper chamber is provided with air inlet; The sidewall of fluid reservoir is provided with gas outlet and liquid backflow mouth, and gas outlet is in liquid backflow mouth top, and fluid reservoir bottom is provided with emptying rate of liquid mouth, and emptying rate of liquid mouth place is provided with emptying rate of liquid switch valve.
Part in the cavity of above-mentioned fluid reservoir below liquid backflow mouth forms liquid storage cylinder; Part in the cavity of fluid reservoir more than liquid backflow mouth forms the venting cavity can supplied gas passing through.
Above-mentioned condenser can be used in phthalocyanine compound production process, what produce contains ammonia, carbon dioxide, in the mist of steam and carrier solvent steam (as alkylbenzene steam), heterogeneity separates, steam in mist is become to liquid and separates with carrier solvent steam condensing, carrier solvent is recycled, and produce the gaseous mixture of satisfactory ammonia and carbon dioxide, its process is: by cooling fluid entrance to the cooling fluid (as the cooling water of 75 DEG C) that passes into uniform temperature in the cavity of condensation chamber, cooling fluid in the cavity of condensation chamber flows out through cooling liquid outlet simultaneously, in the cavity of condensation chamber, form cooling fluid stream, mist enters upper chamber from air inlet, then flows to fluid reservoir through heat-exchange tube, in mist is flowed through heat-exchange tube time, cooling fluid in mist in heat-exchange tube and condensation chamber cavity is carried out heat exchange, steam in mist and carrier solvent steam are condensed and become liquid (this liquid contains water and carrier solvent), these downward liquid flow are also stored in above-mentioned liquid storage cylinder, remaining gas (being the gaseous mixture of ammonia and carbon dioxide) is discharged from gas outlet after entering fluid reservoir, and delivers to the equipment that needs these gases, liquid in liquid storage cylinder comprises water and carrier solvent, because carrier solvent (as alkylbenzene) is water insoluble, therefore the water in liquid storage cylinder separates with carrier solvent, water is in lower floor, carrier solvent is on upper strata, like this, when the liquid level of carrier solvent higher than liquid backflow mouth under along time, the carrier solvent on upper strata can flow out from liquid backflow mouth, and delivers to the equipment that needs carrier solvent.In liquid storage cylinder, the water of lower floor in due course by emptying rate of liquid mouth discharge (conventionally the liquid level of the water of lower floor be about to arrive under liquid backflow mouth along time water is discharged).
In preferred version, above-mentioned heat-exchange tube is the straight tube moving towards up and down.
In preferred version, above-mentioned cooling fluid entrance is located at the bottom of condensation chamber sidewall, cooling liquid outlet is located at the top of condensation chamber sidewall, like this, bottom-up the flowing of cooling fluid stream in the cavity of condensation chamber, mist in heat-exchange tube from up to down flows, and is conducive to mist and cooling fluid and flows and fully carry out heat exchange.
In preferred version, above-mentioned condenser also comprises constant temperature water tank, and the delivery port of constant temperature water tank is communicated with cooling fluid entrance, and cooling liquid outlet is communicated with the water inlet of constant temperature water tank by return pipe, and return pipe outer wall is provided with radiator.By the temperature control numerical value of constant temperature water tank is set, can make constant temperature water tank carry the cooling water of suitable temperature (as 75 ± 0.5 DEG C) to condensation chamber; After cooling water and mist carry out heat exchange, its temperature rises to some extent, lowers the temperature, then be back in constant temperature water tank in the time of radiator to extraneous distribute heat.Radiator can adopt existing apparatus.
In preferred version, on aforesaid liquid refluxing opening, be connected with liquid return tube, on liquid return tube, there is a U-shaped liquid storage pipe; U-shaped liquid storage pipe comprises vertical feed liquor pipeline section, horizontal pipeline section and vertical fluid pipeline section, and vertically feed liquor pipeline section lower end connects horizontal pipeline section front end, vertical connecting fluid pipeline section lower end, horizontal pipeline section rear end.Vertically the upper end of feed liquor pipeline section is the liquid feeding end of U-shaped liquid storage pipe, and vertically the upper end of fluid pipeline section is the outlet end of U-shaped liquid storage pipe, and U-shaped liquid storage pipe is connected on liquid return tube by above-mentioned liquid feeding end, outlet end.In above-mentioned U-shaped liquid storage pipe, in horizontal pipeline section, can store liquid, vertically in feed liquor pipeline section and vertical fluid pipeline section, also can store liquid, thereby formation fluid-tight, like this, the liquid in fluid reservoir can flow out through liquid return tube, and gas can not pass through from liquid return tube.Form fluid-tight by U-shaped liquid storage pipe is set, without switch valve is set on liquid return tube, the liquid in fluid reservoir can through liquid return tube automatically, continuously flow out, can simplify control procedure.
In preferred version, the sidewall of above-mentioned fluid reservoir is provided with pressure gauge connection, and pressure gauge connection, in liquid backflow mouth top, is provided with Pressure gauge on pressure gauge connection.Above-mentioned Pressure gauge is for detection of the gas pressure in condenser.
In preferred version, the sidewall of above-mentioned fluid reservoir is provided with two windows, and two windows are arranged from top to bottom, and window glass is installed on described window.By above-mentioned window is set, be convenient to staff and observe the state of material in fluid reservoir.
In preferred version, on above-mentioned gas outlet, be connected with escape pipe, escape pipe is provided with pressure-control valve.
In preferred version, above-mentioned upper chamber top is provided with gas evacuation port, and gas evacuation port place is provided with the emptying switch valve of gas.Above-mentioned gas evacuation port is for condenser inspection and maintenance, for example, in the time that stopping up, (stopped up by carbonic hydroammonium or ammonium carbonate) heat-exchange tube, can pass into high-temperature steam from gas evacuation port, and for example, while causing the hypertonia of reaction system when escape pipe obstruction, can open the gas in gas evacuation port eductor condenser, to reduce the pressure of reaction system.
When the utility model uses, to the cooling fluid that passes into uniform temperature in the cavity of condensation chamber, when mist is flowed through in heat-exchange tube, cooling fluid in mist in heat-exchange tube and condensation chamber cavity is carried out heat exchange, mist mid-boiling point is condensed and becomes liquid higher than the portion gas of coolant temperature, these downward liquid flow are also stored in above-mentioned liquid storage cylinder, remaining gas is discharged from gas outlet after entering fluid reservoir, thereby the gas of different boiling in mist is separated, by congeal into liquid separating of gas cold higher its mid-boiling point, and, contained immiscible and two kinds of liquid that density is different layering in liquid storage cylinder in the liquid forming in condensation, when the liquid level of supernatant liquid higher than liquid backflow mouth under along time, supernatant liquid can flow out from liquid backflow mouth, further realize the separation of heterogeneity in mist.In brief, the utility model can separate the gas of different boiling in mist, by congeal into liquid separating of gas cold higher its mid-boiling point, and heterogeneity in aforesaid liquid can also be separated, thereby realize separation and the recycling of heterogeneity in mist.
The utility model is produced for phthalocyanine compound, can be by the ammonia that contains producing in phthalocyanine compound production process, carbon dioxide, the mist of steam and carrier solvent steam (as alkylbenzene steam) is separated into three parts, wherein ammonia and carbon dioxide still keep gaseous state and are expelled to the equipment that needs these gases from gas outlet, carrier solvent steam (as alkylbenzene steam) is condensed into liquid state and flows out to the equipment that need to supplement carrier solvent from liquid backflow mouth, steam is condensed into water discharge, thereby realize the recycling of purifying and the carrier solvent of gas, and, gas after purifying has suitable temperature, ammonia and carbon dioxide can not react generation ammonium carbonate, ammonia and carbon dioxide can not react with residual steam yet and generate carbonic hydroammonium, prevent because generating carbonic hydroammonium or ammonium carbonate blocking pipe.The utility model also can be used in other application scenarios, the gas of different boiling in mist being separated and being recycled.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the structural representation (cutaway view) of condensation chamber in the utility model preferred embodiment.
Detailed description of the invention
As depicted in figs. 1 and 2, this condenser comprises condenser shell 1, in condenser shell 1, be provided with upper spacer 2 and lower clapboard 3, upper spacer 2 and lower clapboard 3 are separated into condenser shell 1 upper chamber 4, condensation chamber 5 and the fluid reservoir 6 arranged from top to bottom, in condensation chamber 5, be provided with multiple heat-exchange tubes 7, heat-exchange tube 7 lower ends are communicated with the cavity of fluid reservoir 6, heat-exchange tube 7 upper ends are communicated with the cavity of upper chamber 4, the sidewall of condensation chamber 5 is provided with cooling fluid entrance 8 and cooling liquid outlet 9, and cooling fluid entrance 8 and cooling liquid outlet 9 are all communicated with the cavity of condensation chamber 5; Upper chamber 4 is provided with air inlet 10; The sidewall of fluid reservoir 6 is provided with gas outlet 11 and liquid backflow mouth 12, and gas outlet 11 is in liquid backflow mouth 12 tops, and fluid reservoir 6 bottoms are provided with emptying rate of liquid mouth 13, and emptying rate of liquid mouth 13 places are provided with emptying rate of liquid switch valve 14.In the cavity of fluid reservoir 6, in liquid backflow mouth, the part below 12 forms liquid storage cylinder, and in the cavity of fluid reservoir 6, in liquid backflow mouth, more than 12 parts forms the venting cavity can supplied gas passing through.
Heat-exchange tube 7 is the straight tubes that move towards up and down.
Cooling fluid entrance 8 is located at the bottom of condensation chamber 5 sidewalls, and cooling liquid outlet 9 is located at the top of condensation chamber 5 sidewalls.
In the present embodiment, on liquid backflow mouth 12, be connected with liquid return tube 15, on liquid return tube 15, there is a U-shaped liquid storage pipe 16; U-shaped liquid storage pipe 16 comprises vertical feed liquor pipeline section 161, horizontal pipeline section 162 and vertical fluid pipeline section 163, and vertically feed liquor pipeline section 161 lower ends connect horizontal pipeline section 162 front ends, horizontal pipeline section 162 vertical connecting fluid pipeline section 163 lower ends, rear end.Vertically the upper end of feed liquor pipeline section 161 is liquid feeding ends of U-shaped liquid storage pipe 16, and vertically the upper end of fluid pipeline section 163 is outlet ends of U-shaped liquid storage pipe 16, and U-shaped liquid storage pipe 16 is connected on liquid return tube 15 by above-mentioned liquid feeding end, outlet end.In U-shaped liquid storage pipe 16, in horizontal pipeline section 162, can store liquid, vertically in feed liquor pipeline section 161 and vertical fluid pipeline section 163, also can store liquid, thereby formation fluid-tight, like this, the liquid in fluid reservoir 6 can flow out through liquid return tube 15, and gas can not pass through from liquid return tube 15.
The sidewall of fluid reservoir 6 is provided with pressure gauge connection 17, and pressure gauge connection 17, in liquid backflow mouth 12 tops, is provided with Pressure gauge on pressure gauge connection 17.
The sidewall of fluid reservoir 6 is provided with 18, two windows 18 of two windows and arranges from top to bottom, and window glass is installed on window 18.
Upper chamber 4 tops are provided with gas evacuation port 19, and gas evacuation port 19 places are provided with the emptying switch valve 20 of gas.Need to overhaul condenser time, open gas evacuation port 19, can be by emptying the gas in condenser.
On gas outlet 11, be connected with escape pipe 21, escape pipe 21 is provided with pressure-control valve 22.
In the present embodiment, condenser also comprises constant temperature water tank, and the delivery port of constant temperature water tank is communicated with cooling fluid entrance 8, and cooling liquid outlet 9 is communicated with the water inlet of constant temperature water tank by return pipe, and return pipe outer wall is provided with radiator.By the temperature control numerical value of constant temperature water tank is set, can make constant temperature water tank carry the cooling water of suitable temperature (as 75 ± 0.5 DEG C) to condensation chamber; After cooling water and mist carry out heat exchange, its temperature rises to some extent, lowers the temperature, then be back in constant temperature water tank in the time of radiator to extraneous distribute heat.Radiator can adopt existing apparatus.
To contain ammonia with condenser for phthalocyanine compound production process below, carbon dioxide, in the mist of steam and carrier solvent steam (as alkylbenzene steam), heterogeneity is separated into example, sketch the operation principle of this condenser: by cooling fluid entrance 8 to the cooling fluid that passes into uniform temperature in the cavity of condensation chamber 5 (as the cooling water of 75 ± 0.5 DEG C, this temperature is lower than the boiling point of water and carrier solvent, and higher than the boiling point of ammonia and carbon dioxide, at this temperature, can effectively avoid ammonia, carbon dioxide and water generate carbonic hydroammonium, or ammonia and carbon dioxide reaction generate ammonium carbonate and blocking pipe), cooling fluid in the cavity of condensation chamber 5 flows out through cooling liquid outlet 9 simultaneously, in the cavity of condensation chamber 5, form bottom-up mobile cooling fluid stream, mist enters upper chamber 4 from air inlet 10, then flows to fluid reservoir 6 through heat-exchange tube 7, in mist is flowed through heat-exchange tube 7 time (mist in heat-exchange tube 7 from up to down flows), cooling fluid in mist in heat-exchange tube 7 and condensation chamber 5 cavitys is carried out heat exchange, steam in mist and carrier solvent steam are condensed and become liquid (this liquid contains water and carrier solvent), these downward liquid flow are also stored in liquid storage cylinder 6, remaining gas (being the gaseous mixture of ammonia and carbon dioxide) is discharged from gas outlet 11 after entering fluid reservoir 6, and delivers to the equipment that needs these gases, liquid in liquid storage cylinder 6 comprises water and carrier solvent, because carrier solvent (as alkylbenzene) is water insoluble, therefore the water in liquid storage cylinder 6 separates with carrier solvent, water is in lower floor, carrier solvent is on upper strata, when the liquid level of carrier solvent higher than liquid backflow mouth 12 times along time, the carrier solvent on upper strata can flow out from liquid backflow mouth 12, and delivers to and need the equipment of carrier solvent (liquid in fluid reservoir 6 can through liquid return tube 15 automatically, flow out continuously) through liquid return tube 15.In liquid storage cylinder 6, the water of lower floor in due course by emptying rate of liquid mouth 13 discharge (conventionally the liquid level of the water of lower floor be about to arrive liquid backflow mouth 12 times along time water is discharged).
Like this, this condenser is by the ammonia that contains producing in phthalocyanine compound production process, carbon dioxide, the mist of steam and carrier solvent steam (as alkylbenzene steam) is separated into three parts, wherein ammonia and carbon dioxide still keep gaseous state and are expelled to the equipment that needs these gases from gas outlet 11, carrier solvent steam (as alkylbenzene steam) is condensed into liquid state and flows out to the equipment that need to supplement carrier solvent from liquid backflow mouth 12, steam is condensed into water and discharges through emptying rate of liquid mouth 13, thereby realize the purifying of gas, and the recycling of carrier solvent.
Claims (9)
1. a condenser, comprise condenser shell, it is characterized in that: in described condenser shell, be provided with upper spacer and lower clapboard, upper spacer and lower clapboard are separated into condenser shell upper chamber, condensation chamber and the fluid reservoir arranged from top to bottom, in condensation chamber, be provided with multiple heat-exchange tubes, heat-exchange tube lower end is communicated with the cavity of fluid reservoir, heat-exchange tube upper end is communicated with the cavity of upper chamber, the sidewall of condensation chamber is provided with cooling fluid entrance and cooling liquid outlet, and cooling fluid entrance and cooling liquid outlet are all communicated with the cavity of condensation chamber; Upper chamber is provided with air inlet; The sidewall of fluid reservoir is provided with gas outlet and liquid backflow mouth, and gas outlet is in liquid backflow mouth top, and fluid reservoir bottom is provided with emptying rate of liquid mouth, and emptying rate of liquid mouth place is provided with emptying rate of liquid switch valve.
2. condenser according to claim 1, is characterized in that: described heat-exchange tube is the straight tube moving towards up and down.
3. condenser according to claim 1, is characterized in that: described cooling fluid entrance is located at the bottom of condensation chamber sidewall, and cooling liquid outlet is located at the top of condensation chamber sidewall.
4. condenser according to claim 1, is characterized in that: on described liquid backflow mouth, be connected with liquid return tube, have a U-shaped liquid storage pipe on liquid return tube; U-shaped liquid storage pipe comprises vertical feed liquor pipeline section, horizontal pipeline section and vertical fluid pipeline section, and vertically feed liquor pipeline section lower end connects horizontal pipeline section front end, vertical connecting fluid pipeline section lower end, horizontal pipeline section rear end.
5. condenser according to claim 1, is characterized in that: the sidewall of described fluid reservoir is provided with pressure gauge connection, and pressure gauge connection, in liquid backflow mouth top, is provided with Pressure gauge on pressure gauge connection.
6. condenser according to claim 1, is characterized in that: the sidewall of described fluid reservoir is provided with two windows, and two windows are arranged from top to bottom, and window glass is installed on described window.
7. condenser according to claim 1, is characterized in that: described upper chamber top is provided with gas evacuation port, and gas evacuation port place is provided with the emptying switch valve of gas.
8. condenser according to claim 1, is characterized in that: on described gas outlet, be connected with escape pipe, escape pipe is provided with pressure-control valve.
9. according to the condenser described in claim 1-8 any one, it is characterized in that: described condenser also comprises constant temperature water tank, the delivery port of constant temperature water tank is communicated with cooling fluid entrance, and cooling liquid outlet is communicated with the water inlet of constant temperature water tank by return pipe, and return pipe outer wall is provided with radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801513.3U CN203744755U (en) | 2013-12-09 | 2013-12-09 | Condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801513.3U CN203744755U (en) | 2013-12-09 | 2013-12-09 | Condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744755U true CN203744755U (en) | 2014-07-30 |
Family
ID=51344545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801513.3U Expired - Fee Related CN203744755U (en) | 2013-12-09 | 2013-12-09 | Condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744755U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930174A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of self-adaptation type condensate ammonia separator |
| CN108892147A (en) * | 2018-09-05 | 2018-11-27 | 欧中电子材料（重庆）有限公司 | A kind of separation method and device for separation phosgene in purification media |
| CN111623601A (en) * | 2020-05-29 | 2020-09-04 | 崇阳县青峰科技有限公司 | Ammonium metavanadate dehydration system and ammonium metavanadate ammonia-rich dehydration method |
-
2013
- 2013-12-09 CN CN201320801513.3U patent/CN203744755U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930174A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of self-adaptation type condensate ammonia separator |
| CN108892147A (en) * | 2018-09-05 | 2018-11-27 | 欧中电子材料（重庆）有限公司 | A kind of separation method and device for separation phosgene in purification media |
| CN108892147B (en) * | 2018-09-05 | 2023-09-05 | 欧中电子材料（重庆）有限公司 | Separation method and device for separating carbonyl chloride in purification medium |
| CN111623601A (en) * | 2020-05-29 | 2020-09-04 | 崇阳县青峰科技有限公司 | Ammonium metavanadate dehydration system and ammonium metavanadate ammonia-rich dehydration method |
| CN111623601B (en) * | 2020-05-29 | 2021-08-27 | 崇阳县青峰科技有限公司 | Ammonium metavanadate dehydration system and ammonium metavanadate ammonia-rich dehydration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203744755U (en) | Condenser | |
| CN103920384A (en) | Equipment for absorbing high-concentration nitric oxides by adopting normal-pressure process | |
| CN106753569A (en) | Low pressure dry powder coal gasifying process | |
| CN102844086B (en) | A kind of falling film type stripper decomposed for carbamate | |
| CN106365164A (en) | Device for preparing high-purity carbon monoxide by pyrolysis of formic acid | |
| CN203408606U (en) | Recovery device for HCL gas in gaseous phase chlorination reaction | |
| CN103638887B (en) | Phthalocyanine compound synthesizer | |
| CN103007673A (en) | Comprehensive recovery treater and method for pharmaceutical benzoic acid process tail gas | |
| CN204275521U (en) | A kind of liquid ammonia gasification dry evaporator | |
| CN104177325A (en) | Trioxymethylene preparation apparatus and method thereof | |
| CN105330510A (en) | 2-chloro-2-methylpropane preparing device and method | |
| CN103523842B (en) | Deaerator exhaust steam recovery device and recovery process | |
| US4138468A (en) | Method and apparatus for producing or recovering alkanolamine from a mixture containing oxazolidone | |
| CN204897395U (en) | Purifier of chlorinated paraffin by -product hydrogen chloride | |
| CN103318842A (en) | HCL gas recycling process and HCL gas recycling device in gaseous phase chlorination reaction | |
| CN109161401A (en) | A kind of production system of chlorinated paraffin by-product hydrochloric acid | |
| CN208694625U (en) | A kind of exhaust treatment system | |
| CN104406419A (en) | Integration exhaust steam and energy receiving device | |
| CN100393392C (en) | Ammonia synthesis purge gas isobaric recovery tower | |
| CN203711036U (en) | 3,4-dimenthyl pyrazol synthesizing device | |
| CN103611329B (en) | Method and device for reducing rich liquid regeneration energy consumption by adopting spraying flashing-cyclone degassing and coupling process | |
| CN205412478U (en) | Machinery of underpressure distillation in -process removes foam device | |
| CN212051186U (en) | Methyl formate refining and recycling device | |
| CN204233936U (en) | A kind of absorption by Hydrochloric Acid system of processing azoic coupling component AS | |
| CN205925329U (en) | Tail gas safe recovery device among spent lubricating oil regenerative process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20171209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |