CN207158801U - A kind of autoclave - Google Patents
A kind of autoclave Download PDFInfo
- Publication number
- CN207158801U CN207158801U CN201720993028.9U CN201720993028U CN207158801U CN 207158801 U CN207158801 U CN 207158801U CN 201720993028 U CN201720993028 U CN 201720993028U CN 207158801 U CN207158801 U CN 207158801U
- Authority
- CN
- China
- Prior art keywords
- gas
- tank body
- autoclave
- pressure
- blast pipe
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000001311 chemical methods and process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 238000004131 Bayer process Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 63
- 239000003513 alkali Substances 0.000 description 8
- 230000006837 decompression Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000010008 shearing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of autoclave, it is related to a kind of metallurgy chemical process, the improvement of the autoclaving apparatus structure of special alumina producing Bayer process production process.Its structure includes autoclave tank body, air inlet pipe, blast pipe, it is characterised in that its structure also includes：The incoagulable gas fairlead being arranged in autoclave tank body upper portion side wall；Cooling device of the covering device in incoagulable gas fairlead afterbody；One-level gas-liquid separator, two level gas-liquid separator, gas buffer tank, water washing device and the drying device coupled with cooling device.Autoclave of the present utility model is pre-processed to source of the gas, can reach the normal ranges of automatic instrument(s) testing requirements, and the signal that automatic control system is transmitted through coming to instrumentation is acquired, and forms closed-loop control with corresponding actuating mechanism.Signal according to collecting performs corresponding actions automatically, avoids the interference of human factor.Incoagulable gas can be run continuous samples, continuously analyzed, and can find and handle in time super police circles' situation.
Description
Technical field
A kind of autoclave, it is related to a kind of metallurgy chemical process, the pressure of special alumina producing Bayer process production process
Boil the improvement of apparatus structure.
Background technology
Autoclaving device is often used in metallurgy chemical process.During alumina technology, when being operated using autoclave,
The incoagulable gas of generation can collect in autoclave upper space, contain H in its incoagulable gas2、CO、NH3Deng imflammable gas
Composition.Its incoagulable gas collects for a long time at the top of the autoclave of sealing, in addition the special buffering of the high-alkali high humidity of HTHP
Tank top environment, if the composition of mixed gas falls on hydrogen oxygen, carbon monoxide/oxygen, the blast section of ammonia/oxygen respectively, there is combustion
The fried danger of decrepitate.Therefore, the concentration of each component gas in reactor is monitored in time, and makes respective handling according to concentration levels
Action, is very necessary to alumina producing safe handling.
At present, due to the temperature special in high-temperature high-pressure state, tank of the incoagulable gas at the top of the autoclave of sealing,
Pressure, alkali concn and damp condition are almost harsh for automatic instrument(s), can not direct measurement, it is difficult to analysis is sampled,
Just it is difficult to the pretreatment of incoagulable gas.
The content of the invention
The purpose of this utility model is aiming at insufficient existing for above-mentioned prior art, there is provided one kind can be to incoagulable gas
Run continuous samples, continuously analyze, and can find and handle in time the autoclave of super police circles' situation.
The purpose of this utility model is achieved through the following technical solutions.
A kind of autoclave；Its structure includes：Autoclave tank body, air inlet pipe, blast pipe, it is characterised in that its structure is also wrapped
Include：
Incoagulable gas fairlead；Fairlead is arranged in autoclave tank body upper portion side wall；Pressure is provided with fairlead
Force detector, stop valve and pressure-reducing valve；
Cooling device；The cooling device is cooling jacket of the covering device in incoagulable gas fairlead afterbody；
One-level gas-liquid separator；The separator is closed tank body, and tank body upper end is provided with blast pipe, coupled with cooling device
Feed pipe, tank body bottom be provided with discharging tube；Pressure detector and pressure-reducing valve are provided with the blast pipe that tank body upper end is provided with；
Two level gas-liquid separator；The separator is closed tank body, and tank body upper end is provided with blast pipe and one-level gas-liquid separation
The feed pipe of device blast pipe connection, tank body bottom are provided with discharging tube；Pressure detecting is provided with the blast pipe that tank body upper end is provided with
Device and pressure-reducing valve；
Gas buffer tank；The gas buffer tank couples with two level gas-liquid separator blast pipe, the exhaust of the gas buffer tank
Pipe is provided with temperature-detecting device, pneumatic ball valve and pressure detector；
Water washing device；The water washing device is to couple with gas buffer tank blast pipe；
Drying device；The drying device and water washing device coupled in series.
A kind of autoclave of the present utility model, it is characterised in that on incoagulable gas fairlead, be disposed with pressure
Detector, hand stop valve, pneumatic stopping valve, hand stop valve, pressure-reducing valve and pressure detector.
A kind of autoclave of the present utility model, it is characterised in that be disposed with the blast pipe of one-level gas-liquid separator
Pressure detector, pressure-reducing valve, pressure detector.
A kind of autoclave of the present utility model, it is characterised in that be disposed with the blast pipe of two level gas-liquid separator
Pressure detector, pressure-reducing valve, pressure detector.
A kind of autoclave of the present utility model, it is characterised in that hand is provided with the discharging tube of one-level gas-liquid separator tank body
Dynamic ball valve and drain valve.
A kind of autoclave of the present utility model, it is characterised in that hand is provided with the discharging tube of two level gas-liquid separator tank body
Dynamic ball valve and drain valve.
A kind of autoclave of the present utility model, it is characterised in that branch pipe is provided with incoagulable gas gas fairlead afterbody,
The branch pipe is provided with safety valve.
A kind of autoclave of the present utility model, it is characterised in that in one-level gas-liquid separator tank body and gas buffer tank body
Blast pipe afterbody is provided with branch pipe, and the branch pipe is provided with safety valve.
A kind of autoclave of the present utility model, it is characterised in that be provided with the blast pipe afterbody of two level gas-liquid separator tank body
Branch pipe, the branch pipe are provided with safety valve.
A kind of autoclave of the present utility model, it is characterised in that on the blast pipe branch pipe of gas buffer tank body, the branch pipe
Provided with safety valve.
A kind of autoclave of the present utility model, it is characterised in that the blast pipe of above-mentioned safety valve is in parallel to be coupled with evacuated tube.
A kind of autoclave of the present utility model, including detecting system, including it is shearing device, decompression cooling separator, super
Press protection device, pre-detection source of the gas buffer unit, pressure detector, temperature-detecting device, filter alkali knot screen and drying device.
Gas after source of the gas pretreatment system reaches the normal ranges of automatic instrument(s) testing requirements.Composition detection system includes each gas
Body instrumentation, flow detection controlling unit is added before each instrumentation, in order to ensure each instrument air inlet mutually not by
Influence, each gas circuit that detects is parallel way.Automatic control system to instrumentation be transmitted through come signal be acquired, and with it is corresponding
Actuating mechanism formed closed-loop control.Signal according to collecting performs corresponding actions automatically, avoids the interference of human factor.
A kind of autoclave of the present utility model, the composition composition and ratio of mixed gas in autoclave can be monitored in real time,
Action is performed automatically for different gas stations, and the super alert condition of appearance is informed related personnel and department in real time so that
Production process is safer.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Marked in figure as follows：The air inlet pipe 1 of autoclave, blast pipe 2, pressure detecting 3, hand stop valve 4, pneumatic stopping valve
5th, hand stop valve 6, pressure detecting 7, pressure-reducing valve 8, pressure detecting 9, safety valve 10, cooling jacket 11, moisture trap 12, hand
Dynamic ball valve 13, drain valve 14, pressure detecting 15, pressure-reducing valve 16, pressure detecting 17, safety valve 18, moisture trap 19, manual ball
Valve 20, drain valve 21, pressure detecting 22, pressure-reducing valve 23, pressure detecting 24, gas buffer tank 25, pneumatic ball valve 26, safety valve
27th, PT100 28, pneumatic ball valve 29, pneumatic ball valve 30, pressure detecting 31, washing steel cylinder 32, drying 33, drying 34, tank body 35.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
A kind of autoclave；Its structure includes：Autoclave tank body 35, air inlet pipe 1, blast pipe 2, its structure also include：
Incoagulable gas fairlead 36；Fairlead is arranged in autoclave tank body upper portion side wall；It is provided with fairlead
Pressure detector 3,7,9, stop valve 4,5,6 and pressure-reducing valve 8；
Cooling device 11；The cooling device is the cooling jacket for being sleeved on incoagulable gas fairlead afterbody；
One-level gas-liquid separator 12；The separator is closed tank body, and tank body upper end is provided with blast pipe, joined with cooling device
The feed pipe connect, tank body bottom are provided with discharging tube；Pressure detector 15,17 is provided with the blast pipe that tank body upper end is provided with and is subtracted
Pressure valve 16；
Two level gas-liquid separator 19；The separator is closed tank body, and tank body upper end is provided with blast pipe, divided with one-level gas-liquid
From the feed pipe of device blast pipe connection, tank body bottom is provided with discharging tube；Pressure is provided with the blast pipe that tank body upper end is provided with to examine
Survey device 22,24 and pressure-reducing valve 23；
Gas buffer tank 25；The gas buffer tank couples with two level gas-liquid separator blast pipe, the row of the gas buffer tank
Tracheae is provided with temperature-detecting device 28, pneumatic ball valve 30 and pressure detector 31；
Water washing device 32；The water washing device is the washing steel cylinder coupled with gas buffer tank blast pipe；
Drying device 33,34；The drying device and water washing device coupled in series.
A kind of autoclave of the present utility model, on incoagulable gas fairlead, it is disposed with pressure detector 3, hand
Dynamic stop valve 4, pneumatic stopping valve 5, hand stop valve 6, pressure detector 7, pressure-reducing valve 8 and pressure detector 9.
A kind of autoclave of the present utility model, pressure detecting is disposed with the blast pipe of one-level gas-liquid separator
Device, pressure-reducing valve 16, pressure detector 17.
A kind of autoclave of the present utility model, pressure detector is disposed with the blast pipe of two level gas-liquid separator
22nd, pressure-reducing valve 23, pressure detector 24.
A kind of autoclave of the present utility model, the He of manual ball valve 13 is provided with the discharging tube of one-level gas-liquid separator tank body
Drain valve 14.Manual ball valve 20 and drain valve 21 are provided with the discharging tube of two level gas-liquid separator tank body.In incoagulable gas
Gas fairlead afterbody is provided with branch pipe, and the branch pipe is provided with safety valve 10.In the blast pipe afterbody of one-level gas-liquid separator tank body
Provided with branch pipe, the branch pipe is provided with safety valve 18.Branch pipe, the branch pipe are provided with the blast pipe afterbody of two level gas-liquid separator tank body
It is provided with safety valve 27.In the blast pipe branch pipe of buffering tank body, the branch pipe is provided with safety valve 29.The blast pipe of above-mentioned safety valve
Parallel connection couples with evacuated tube 37.
A kind of autoclave of the present utility model, specific detection and control operation step include：
Source of the gas pre-processes
Special temperature, pressure, alkali concn and damp condition are almost harsh for automatic instrument(s) in tank, can not directly survey
Amount, need to be pre-processed, as shown in Figure 1 to source of the gas.Source of the gas pretreatment mainly has shearing device, decompression cooling separator, surpassed
Press protection device, pre-detection source of the gas buffer unit, pressure detector, temperature-detecting device, filter alkali knot screen and drying device.
Shearing device
Shearing device includes hand stop valve 4, pneumatic stopping valve 5, hand stop valve 6 in Fig. 1.Twice hand stop valve
Dual fail-safe is formed, is avoided the occurrence of because a stop valve failure leads to not the danger for cutting off source of the gas.Pneumatic stopping valve is in automatic control
System remote uses when turning off source of the gas.
Decompression cooling separator
Decompression cooling separator is included by pressure detecting 7, pressure-reducing valve 8, pressure detecting 9, cooling jacket 11, gas-water separation
Device 12, manual ball valve 13 and drain valve 14 connect, and form first order decompression draining link；By pressure detecting 15, pressure-reducing valve 16, pressure
Power detection 17, moisture trap 19, manual ball valve 20 and drain valve 21 connect, and form second level decompression draining link；By pressure
Detection 22, pressure-reducing valve 23, pressure detecting 24, form second level decompression link.Because temperature and pressure is higher, by depressurizing
Afterwards, the vapor of saturation is changed into aqueous water, need in time by aqueous water from and discharge.Add cooling jacket wherein and be in order to
Accelerate the speed of cooling, while also accelerate transformation of the vapor to aqueous water.The use of drain valve is to be automatically drained out
Gas is avoided largely to leak during aqueous water.
Overpressure protection apparatus
Because pressure inside the tank is higher, safety valve is added after every grade of pressure-reducing valve, avoids, because depressurizing defective valve, causing high pressure gas
Impact of the body to follow-up pipeline and instrumentation, causes security incident.The position of emptying will be advantageous to the diffusion of mixed gas, keep away
Exempt from it is secondary collect cause danger.
Pre-detection source of the gas buffer unit
The addition of the part, ensure that the gas flow of supply gas detector and the stabilization of pressure, ensure to detect with this
As a result accuracy.But the volume of the buffer unit to be selected just right, excessive size that testing result can be caused stagnant
Property is larger afterwards, and too small size does not have the purpose of stable source of the gas.
Pressure detector
Pressure detector, which becomes pressure signal, is sent to control foundation of the PLC system as CPU, controls respective execution mechanisms
Action.
Temperature-detecting device
Using the gas temperature of PT100 thermal resistance Measurement preprocessings end, temperature-detecting device and pressure detecting 31 exist
In normal range (NR), the safe to use of gas detecting instrument just can guarantee that.The super alert then pneumatic ball valve of either condition opens 29, pneumatic ball valve
30 close, and gas directly empties, and protects the safety of instrumentation.
Filter alkali knot screen
Incoagulable gas composition includes the debris less than slurry the proportion such as breeze, ore pulp of supplied materials entrainment at the top of surge tank
The impurity such as the spittle, lubricating oil vapour, the gas circuit of impurity particle meeting jam detection instrument, cause gas circuit obstructed；Alkali can corrode inspection
Survey instrument detecting element, the service life of serious curtailment instrumentation, the system using WATER-WASHING METHOD remove impurity therein and
Alkali.
Drying device
The means dried using two-stage, ensure the gas degree of drying into detector.Pay attention to, drier can not be with gas
React the new gas of generation, otherwise will occur to detect mistake.
Composition detection link
Each gas control instrument, each instrumentation adds flow detection controlling unit before, in order to ensure each instrument
Air inlet is mutually unaffected, and each gas circuit that detects is parallel way.The gas emptied after detection is still mixed gas, also must
Ensure the security of emptying.
Automatic control link
The signal that automatic control system is transmitted through coming to instrumentation is acquired, and forms closed loop with corresponding actuating mechanism
Control.Signal according to collecting performs corresponding actions automatically, avoids the interference of human factor.
Claims (10)
- A kind of 1. autoclave；Its structure includes：Autoclave tank body, air inlet pipe, blast pipe, it is characterised in that its structure also includes：Incoagulable gas fairlead；Fairlead is arranged in autoclave tank body upper portion side wall；Pressure inspection is provided with fairlead Survey device, stop valve and pressure-reducing valve；Cooling device；The cooling device is cooling jacket of the covering device in incoagulable gas fairlead afterbody；One-level gas-liquid separator；The separator is closed tank body, and tank body upper end is provided with blast pipe, entering of coupling with cooling device Expects pipe, tank body bottom are provided with discharging tube；Pressure detector and pressure-reducing valve are provided with the blast pipe that tank body upper end is provided with；Two level gas-liquid separator；The separator is closed tank body, and tank body upper end is provided with blast pipe, arranged with one-level gas-liquid separator The feed pipe of tracheae connection, tank body bottom are provided with discharging tube；On the blast pipe that tank body upper end is provided be provided with pressure detector and Pressure-reducing valve；Gas buffer tank；The gas buffer tank couples with two level gas-liquid separator blast pipe, on the blast pipe of the gas buffer tank Provided with temperature-detecting device, pneumatic ball valve and pressure detector；Water washing device；The water washing device is to couple with gas buffer tank blast pipe；Drying device；The drying device and water washing device coupled in series.
- 2. a kind of autoclave according to claim 1, it is characterised in that on incoagulable gas fairlead, be disposed with Pressure detector, hand stop valve, pneumatic stopping valve, hand stop valve, pressure-reducing valve and pressure detector.
- 3. a kind of autoclave according to claim 1, it is characterised in that on the blast pipe of one-level gas-liquid separator successively It is provided with pressure detector, pressure-reducing valve, pressure detector.
- 4. a kind of autoclave according to claim 1, it is characterised in that on the blast pipe of two level gas-liquid separator successively It is provided with pressure detector, pressure-reducing valve, pressure detector.
- 5. a kind of autoclave according to claim 1, it is characterised in that in one-level and/or two level gas-liquid separator tank body Discharging tube is provided with manual ball valve and drain valve.
- A kind of 6. autoclave according to claim 1, it is characterised in that branch pipe is provided with incoagulable gas fairlead afterbody, The branch pipe is provided with safety valve.
- A kind of 7. autoclave according to claim 1, it is characterised in that in one-level and/or two level gas-liquid separator tank body and The blast pipe afterbody of gas buffer tank body is provided with branch pipe, and the branch pipe is provided with safety valve.
- 8. a kind of autoclave according to claim 1, it is characterised in that in the blast pipe branch pipe of gas buffer tank body, the branch Pipe is provided with safety valve.
- 9. a kind of autoclave according to claim 8, it is characterised in that the blast pipe parallel connection of above-mentioned safety valve and evacuated tube Connection.
- 10. according to a kind of autoclave described in claim 1 or 2 or 3 or 4, it is characterised in that described pressure detector and temperature The air inlet detection gas circuit for spending each instrument of detection means is parallel way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993028.9U CN207158801U (en) | 2017-08-10 | 2017-08-10 | A kind of autoclave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993028.9U CN207158801U (en) | 2017-08-10 | 2017-08-10 | A kind of autoclave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207158801U true CN207158801U (en) | 2018-03-30 |
Family
ID=61716386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993028.9U Active CN207158801U (en) | 2017-08-10 | 2017-08-10 | A kind of autoclave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207158801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689388A (en) * | 2022-04-11 | 2022-07-01 | 遵义铝业股份有限公司 | Device for detecting components of oxidized noncondensable gas in Bayer process production process |
-
2017
- 2017-08-10 CN CN201720993028.9U patent/CN207158801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689388A (en) * | 2022-04-11 | 2022-07-01 | 遵义铝业股份有限公司 | Device for detecting components of oxidized noncondensable gas in Bayer process production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106964474B (en) | A kind of coal pulverizer explosive-proof test system | |
| CN206281839U (en) | Hydrogen analytical sampling system in the online hydrogen purity of hydrogen generator station or oxygen | |
| CN208588715U (en) | A flue gas detection device for ship exhaust gas desulfurization device | |
| CN207158801U (en) | A kind of autoclave | |
| CN108801718A (en) | A kind of tail gas on-line monitoring system peculiar to vessel | |
| CN205719079U (en) | A kind of high-temperature gas humidity on-line measuring device | |
| CN112414949B (en) | A gas relay and diagnosis method for real-time detection of transformer faults | |
| CN206270239U (en) | A kind of uv analyzer of nitrogen oxides in effluent content measurement | |
| CN103994944B (en) | A kind of testing arrangement and method of hydrogen phosphide burst size of red phosphorus flame-retardant polymeric material | |
| CN206778675U (en) | A kind of coal pulverizer explosive-proof test system | |
| CN109283297B (en) | Independent calibration sampling system for hydrogen online analysis | |
| CN104762588B (en) | A kind of method for assessing sulphur iron compound passivation effect | |
| CN103134903A (en) | Atmosphere hydrogen concentration detector based on injection principle | |
| CN206974757U (en) | A kind of Novel flue gas samples automatic dilution device | |
| CN109765275A (en) | A kind of method, apparatus of outdoor quick online detection crude oil hydrogen sulfide content | |
| CN207964814U (en) | A kind of water-gas on-line analysis sample gas processing system | |
| CN207263505U (en) | Online explosion-proof type dangerous waste processing nitrogen protecting bin oxygen analysis detection device | |
| CN217059540U (en) | VOCs gas continuous rapid sampling system | |
| CN201698224U (en) | Compressed air measurement and control system for instrumentation in power plants | |
| CN206132693U (en) | Little water on -line monitoring device of transformer oil filter | |
| CN107022391B (en) | Method suitable for evaluating desulfurization efficiency of natural gas desulfurizing agent | |
| CN208330696U (en) | One kind is portable to alter oily detection device | |
| CN209311187U (en) | Prime pretreatment system for the measurement of sulfide hydrogen sample | |
| CN206772837U (en) | A kind of Gold Concentrate under Normal Pressure sulphur content determination device | |
| CN221594984U (en) | Detection device and gas equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |