CN204789032U - Sample of liquid ammonia safety, filtration and automatic measurement device - Google Patents
Sample of liquid ammonia safety, filtration and automatic measurement device Download PDFInfo
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- CN204789032U CN204789032U CN201520350243.8U CN201520350243U CN204789032U CN 204789032 U CN204789032 U CN 204789032U CN 201520350243 U CN201520350243 U CN 201520350243U CN 204789032 U CN204789032 U CN 204789032U
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Abstract
The utility model relates to a sample of liquid ammonia safety, filtration and automatic measurement device, including sampler, liquid ammonia flowmeter and filter equipment, the device one end is equipped with universal loading and unloading arm, and the other end sets up the standard interface, be equipped with liquid ammonia sampling device sample connection among this filter equipment, be equipped with the metal sampling tube assembly of full section sample connection or horn mouth sample connection on this sample connection. The device possesses following characteristics: possessing the user friendly interface function, adopting the bayonet coupling of standard configuration, one end adopts special construction, makes things convenient for the liquefied ammonia tank vehicle and the connection of unloading the ammonia pipeline, and the bayonet socket has a sealing plug simultaneously, and is sealed dustproof with the bayonet socket during reserve, dispose special constant volume sampler, realize sealing the sample of sample circuit constant volume, the realization is to the accurate measurement and the visual display of liquid ammonia quality, adopt the special filter core that filters of filter screen and liquid ammonia, solid impurity, oil and moisture gets rid of in the in -process of unloading of liquid ammonia is realized liquid ammonia, whole design, the satisfied different demand of integrating of equipment.
Description
Technical field
The utility model relates to Liquid Ammonia Treatment system, samples safely, filters and self-measuring device in particular to a kind of liquefied ammonia.
Background technology
Liquefied ammonia belongs to broad-spectrum chemical products, belongs to hazardous chemical again, and in practical application and assay, problem served by band.In laboratory sampling, easily causing personal injury risk, there is error in sampling.Because liquefied ammonia sampling is sampled sky by stopple coupon or blow-off pipe, liquefied ammonia is put in Li Senke receiver.There is the pressure of about 3.0MPa in liquefied ammonia, the easy splash of liquefied ammonia, on the sampling person, causes freezing injury; Wind vector, liquefied ammonia naturally volatilize and all easily bring certain injury risk to sampling people.Meanwhile, because the smell of volatilization and the ammonia volatilization naturally of liquefied ammonia makes sampling people closely cannot read sample volume exactly, there is certain measuring error.Along with the widespread use of thermal power plant's SCR denitration technology, in actual motion, frequently occur that denitration is for situations such as ammonia system filter screen, instrument, evaporator blockings, affects the safe and reliable operation of denitrating system.
Such as application number is the Chinese invention patent of 201210495942.2, it discloses one and unloads ammonia device, comprises liquid collecting tank, defeated ammonia pipe, unloads ammonia pump and tank used for storing ammonia; Liquid collecting tank and tank used for storing ammonia tank body are provided with ammon entry hole and go out ammonia mouth, and defeated ammonia pipe is communicated with the ammon entry hole on liquid collecting tank; Woven hose is provided with shut-off valve; This apparatus structure is simple, and it is convenient to implement, and can effectively prevent ammoniacal liquor when unloading ammonia from leaking, and avoids Lou that ammonia is to air, water body and soil pollution, and handling safety is reliable.But this unloads ammonia device does not have safe sampler and filtration unit, cannot meet liquefied ammonia sample safely and realize in the process of unloading purify requirement.
Such as Authorization Notice No. is the Chinese utility model patent of CN203363667U again, it discloses a kind of ammonia factory tank car and unload ammonia device, comprise ammonia feeder, ammonia feeder connects ammonia condenser by pipeline, ammonia condenser connects ammonia compressor by pipeline, also comprise oil filling riser, the liquid-phase outlet of oil filling riser connects ammonia feeder by pipeline, and the gas phase import of oil filling riser is connected with the pipeline between ammonia compressor and ammonia condenser by pipeline.This ammonia factory tank car unloads ammonia device by arranging oil filling riser, the liquid phase of oil filling riser is connected with ammonia feeder, gas phase is connected with ammonia compressor discharge pipe, fill ammonia for utilizing liquefied ammonia tank vehicle to give ammonia feeder when normally producing, do not affect device and normally run, and realize economical operation.But this unloads in ammonia device and does not arrange liquefied ammonia sampling analysis device.But this unloads ammonia device does not have safe sampler and filtration unit, the requirement that liquefied ammonia samples safely and realize in the process of unloading to purify cannot be met.
Such as Authorization Notice No. is the Chinese utility model patent of CN2331408Y again, it discloses a kind of gas, liquid ammonia filter, iron contamination in system is got rid of by a kind of filtering element (bar magnet) by it, filter out remaining mechanical impurity and oil by another filtering element (fabric filter element) again, thus reach the object of purification chemical industry thing.But this unloads ammonia device does not have safe sampler and measuring apparatus, filtration unit does not have impurity accepting regions, and cannot meet liquefied ammonia and sample safely and flow automatic gauge, the impurity retained can not realize the requirement of safe disposal and discharge.
Utility model content
In order to solve the deficiency that prior art exists in actual applications, the purpose of this utility model is to provide a kind of Liquid Ammonia Treatment device, liquefied ammonia of the present utility model samples safely, filter and self-measuring device is unloaded in process at liquefied ammonia, liquefied ammonia constant volume samapling, flow metering (quality) can be realized and liquefied ammonia is effectively filtered, remove the impurity in liquefied ammonia, thus meet the needs of actual production; This device has certain directivity, according to the flow direction of liquefied ammonia, is provided with safe sampler, flow measurement device and liquefied ammonia filtration unit.
In order to realize above-mentioned purpose of design, the scheme that the utility model adopts is as follows:
A kind of liquefied ammonia samples safely, filters and self-measuring device, and comprise sampler, flows of liquid ammonia gauge and filtration unit, this device one end is provided with universal loading arm, and the other end arranges standard interface; Safe sample connection is tunneling boring sample connection or hydraucone sample connection; When flow velocity is more than or equal to 0.6m/s, select tunneling boring sample connection; When flow velocity is less than 0.6m/s, select hydraucone sample connection.Filtration unit arranges high precision flow, realizes the Measurement accuracy to liquefied ammonia flow.Filtration unit arranges liquefied ammonia filtration unit, by filter screen and liquefied ammonia single-purpose filtering element, removes the impurity in liquefied ammonia.Realize unloading in process at liquefied ammonia by designing above, effective filtration of impurity in the constant volume samapling of liquefied ammonia, liquefied ammonia flow metering and liquefied ammonia.
In above-mentioned either a program preferably, this device one end is provided with universal loading arm (also known as " jumper "), and the other end arranges standard interface, and universal loading arm, according to liquefied ammonia dress or the difference of unloading requirement, is arranged on the one end be connected with tank car.
Preferably, be provided with liquid ammonia sampling device sample connection in this filtration unit, this sample connection is provided with the metal sampler pipe assembly of tunneling boring sample connection or hydraucone sample connection.
In above-mentioned either a program preferably, described metal sampler pipe assembly comprises metal coupon, reduction valve, stop valve and sample valve, and sample valve adopts and automatically controls, and realizes system automatic sampling, substitutes manually to the risk of sky sampling, avoids personnel to sample injury; Avoid the sampling of current liquefied ammonia due to liquefied ammonia volatilization, there is certain difficulty in the comparatively near sample volume that accurately reads, liquefied ammonia volatilization brings the phenomenon of certain personal injury.
In above-mentioned either a program preferably, described tunneling boring sample connection or hydraucone sample connection are connected with constant volume sampler.In real work, tunneling boring sample connection or hydraucone sample connection flow to perforate in face of medium, realize tunneling boring sampling, ensure liquefied ammonia samples' representativeness.
In above-mentioned either a program preferably, the range of described constant volume samapling container is 200ml, and maximum error is ± 5ml.
In above-mentioned either a program preferably, stainless steel filtering net and liquefied ammonia special filtering filter core are installed in described filtration unit, described stainless steel filtering net is positioned at the entrance point of filter core, the filtering accuracy of filter screen is greater than 5 μm, and liquefied ammonia single-purpose filtering element filtering accuracy is selected as required in 1-5 μm.
In above-mentioned either a program preferably, described filtration unit is provided with entrance door and bypass door, when filtration unit pressure reduction is less than 0.03MPa, opens filtration unit entrance door; When filtration unit pressure reduction is more than or equal to 0.03MPa, opens filtration unit bypass door, thus ensure that liquefied ammonia is unloaded.
In above-mentioned either a program preferably, the front end of described filtration unit is provided with flowmeter.
In above-mentioned either a program preferably, the bottom of described filtration unit arranges impurity accepting regions, by installing wheel, being transported to fixing region and focusing on the impurity retained.
In above-mentioned either a program preferably, described filtration unit top is provided with access hole, changes and the maintenance of filtrator to filter screen.
In above-mentioned either a program preferably, outlet position, described filtration unit top arranges safety valve, ensures the safety of system.
In above-mentioned either a program preferably, the bottom of described filtration unit is with slope; The minimum position on slope is provided with blowoff valve.
In above-mentioned either a program preferably, the outlet of described filtration unit arranges tensimeter, meets the calculating to filter differential pressure, ensures security of system.
In above-mentioned either a program preferably, the internal diameter of described filtration unit is greater than filtration unit inlet duct internal diameter, impels large granular impurity sedimentation.
In above-mentioned either a program preferably, with sealing-plug on described piping system and standard interface, when device is for subsequent use, sealing and dustproof is carried out.
In above-mentioned either a program preferably, this device Integration Design described, modular combination, is divided into portable and fixed, meets the different needs.
Accompanying drawing explanation
Fig. 1 samples safely according to liquefied ammonia of the present utility model, filters and the structure diagram of a preferred embodiment of self-measuring device.
Fig. 2 samples safely according to liquefied ammonia of the present utility model, filters and a kind of front view of interface of self-measuring device.
Fig. 3 samples safely according to liquefied ammonia of the present utility model, filters and the side view of Fig. 2 of self-measuring device.
Fig. 4 samples safely according to liquefied ammonia of the present utility model, filters and the front view of another kind of interface of self-measuring device.
Fig. 5 samples safely according to liquefied ammonia of the present utility model, filters and the side view of Fig. 4 of self-measuring device.
Fig. 6 is the structure diagram of liquefied ammonia content rapid measurement device in Liquid Ammonia Treatment system.
Fig. 7 is the structural representation of analyzer tube in Fig. 6.
Attached number in the figure:
Tunneling boring sample connection 1, hydraucone sample connection 2, piping system 3, sample valve 4, reduction valve 5, stop valve 6, flowmeter 7, entrance door 8, bypass door 9, filtration unit 10, tensimeter 11, safety valve 12, standard interface 13, wheel 14, slope 15, blowoff valve 16, stopple coupon 20, sample valve 21, constant volume sampler 22, setting-out pipe 23, analyzer tube 24, ventilating opening 25, ammonia emission pipe 26, ventilating fan 27, blowdown flushing valve 28, waste liquid processor 29, water intaking valve 30, draining valve 31, thermometer 32, microthermometer 33, elastic interface 34.
Embodiment
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.Below in conjunction with Figure of description, the utility model liquefied ammonia is sampled safely, to filter and the embodiment of self-measuring device is further described.
As shown in Figure 1, sample safely according to liquefied ammonia of the present utility model, filter and the structure diagram of a preferred embodiment of self-measuring device.Liquefied ammonia samples safely, filter and self-measuring device, this device is arranged in a Liquid Ammonia Treatment system, and it comprises Special sample taker and filtration unit 10, and one end of this device is provided with universal loading arm, the other end arranges standard interface 13, realizes being connected with the convenient of liquefied ammonia system; Sampler is set to tunneling boring sample connection 1 or hydraucone sample connection 2; When flow velocity is more than or equal to 0.6m/s, select tunneling boring sample connection 1; When flow velocity is less than 0.6m/s, select hydraucone sample connection 2.Realize unloading in process at liquefied ammonia by designing above, effective filtration of impurity in the constant volume samapling of liquefied ammonia, liquefied ammonia flow metering and liquefied ammonia.This device has certain directivity, according to the flow direction of liquefied ammonia, is provided with safe sampler, flow measurement device and liquefied ammonia filtration unit.High precision flow is set, realizes the Measurement accuracy to liquefied ammonia flow; Liquefied ammonia filtration unit is set, by filter screen and liquefied ammonia single-purpose filtering element, removes the impurity in liquefied ammonia.
In the present embodiment, be provided with liquid ammonia sampling device sample connection in this filtration unit, this sample connection is provided with in tunneling boring sample connection, hydraucone sample connection and is provided with metal sampler pipe assembly.
In the present embodiment, this device described is provided with piping system 3, and this piping system is arranged on one end of this device, is conveniently connected with tank car.Such as unload liquefied ammonia, then arrange in the front end of this device, be conveniently connected with tank car; If liquefied ammonia entrucking, then arrange in the rear end of device, be conveniently connected with tank car.
In the present embodiment, described tunneling boring sample connection 1, hydraucone sample connection 2 are connected with constant volume sampler 22.In real work, tunneling boring sample connection or hydraucone sample connection flow to perforate in face of medium, realize tunneling boring sampling, ensure the representativeness of liquefied ammonia.
In the present embodiment, the range of described constant volume samapling container 22 is 200ml, and maximum error is ± 5ml.Interface connects constant volume sampler 22, extracts mode, realize liquefied ammonia constant volume samapling by syringe, substitutes manually to sky sampling risk, avoids personnel to sample injury; Avoid the sampling of current liquefied ammonia due to liquefied ammonia volatilization, there is certain difficulty in the comparatively near sample volume that accurately reads, liquefied ammonia volatilization brings the phenomenon of certain personal injury.
In the present embodiment, flowmeter is provided with in described sampler; The top of sampler sets gradually stop valve 6, reduction valve 5 and sample valve 4 from top to bottom, and sample valve 4 adopts automatic control, realizes automatic sampling.
In the present embodiment, stainless steel filtering net and liquefied ammonia special filtering filter core are installed in described filtration unit 10.Stainless steel filtering net is positioned at the entrance point of filter core, and filter screen filtering accuracy is greater than 5 μm, and liquefied ammonia single-purpose filtering element filtering accuracy meets 1-5 μm.
In the present embodiment, described filtration unit 10 is provided with entrance door 8 and bypass door 9, when filtration unit pressure reduction is less than 0.03MPa, opens the entrance door 8 of filtration unit; When filtration unit pressure reduction is more than or equal to 0.03MPa, opens the bypass door 9 of filtration unit, thus ensure that liquefied ammonia is unloaded.
In the present embodiment, described flowmeter 7 is arranged on the front end of filtration unit 10.
In the present embodiment, the bottom of described filtration unit 10 arranges impurity accepting regions.
In the present embodiment, the outlet position, top of described filtration unit 10 arranges safety valve 12.
In the present embodiment, the acclive slope 15 of the bottom belt of described filtration unit 10; The minimum position on slope 15 is provided with blowoff valve 16, ensures that liquefied ammonia blowdown is thorough.
In the present embodiment, the outlet of described filtration unit 10 is provided with tensimeter 11, meets the calculating to filter differential pressure.
In the present embodiment, the internal diameter of described filtration unit 10 is greater than the internal diameter of the pipeline of piping system 3, impels large granular impurity sedimentation.
In the present embodiment, described filtration unit 10 top is provided with access hole, can open, and changes and the maintenance of filtrator to filter screen.
In the present embodiment, on described piping system 3 and standard interface 13 with sealing-plug.
In the present embodiment, this device Integration Design described, modular combination, is divided into portable and fixed, meets the different needs.
Next consult shown in Fig. 2, Fig. 3, sample safely according to liquefied ammonia of the present utility model, filter and a kind of structural representation of interface of self-measuring device.
In the present embodiment, the opening of hydraucone sample connection 2, in face of the flow direction of medium, ensures the representativeness of liquefied ammonia.When flow velocity is less than 0.6m/s, select hydraucone sample connection 2.
Next consult shown in Fig. 4, Fig. 5, sample safely according to liquefied ammonia of the present utility model, filter and the structural representation of another kind of interface of self-measuring device.
In the present embodiment, the opening of tunneling boring sample connection 1, in face of the flow direction of medium, ensures the representativeness of liquefied ammonia.When flow velocity is more than or equal to 0.6m/s, select tunneling boring sample connection 1.
In the present embodiment, described tunneling boring sample connection 1, hydraucone sample connection 2 are for there being metal coupon.
In the present embodiment, described metal sampler pipe assembly comprises metal coupon, stop valve 6, reduction valve 5 and sample valve 4, and sample valve 4 adopts automatic control, realizes automatic sampling.
In the present embodiment, described tunneling boring sample connection 1, hydraucone sample connection 2 are connected with constant volume sampler 22.In real work, tunneling boring sample connection 1 or hydraucone sample connection 2 flow to perforate in face of medium, realize tunneling boring sampling, ensure the representativeness of liquefied ammonia.
In sum, liquefied ammonia of the present utility model samples safely, filter and self-measuring device has the following advantages: can conveniently with liquefied ammonia tank vehicle with unload ammonia pipeline and be connected, and realizes sampling the safety of liquefied ammonia in liquefied ammonia cargo handling process, the removal of impurity in the automatic gauge of liquefied ammonia weight and liquefied ammonia.This device possesses following characteristics: possess user friendly interface function, and adopt the bayonet socket of standard configuration to connect, one end adopts loading arm (also known as oil filling riser), and facilitate liquefied ammonia tank vehicle and the connection of unloading ammonia pipeline, bayonet socket is with sealing-plug simultaneously, by bayonet socket sealing and dustproof between standby period; Configuration constant volume sampler, realizes closing sampling, constant volume samapling; Adopt high-acruracy survey instrument, realize the accurate-metering to liquid ammonia quality, and intuitively shown by liquid crystal display; Adopt solid impurity, oil and the moisture in filter screen and liquefied ammonia special filtering filter core removal liquefied ammonia; Whole Equipment can be divided into portable and fixed, meets the different needs.
The invention also discloses a kind of liquefied ammonia content rapid measurement device, as shown in Figure 6.
A kind of liquefied ammonia content rapid measurement device, this device is arranged in a Liquid Ammonia Treatment system, and this measurement mechanism is provided with constant volume sampler 22, analyzer tube 24 and waste liquid processor 29.
In the present embodiment, described constant volume sampler 22 comprises stopple coupon 20, sample valve 21, sampling cavity, sampling cock and setting-out pipe 34.
In the present embodiment, the flexible interface 34 of sampling end band of described stopple coupon 20, realizes being connected with tank car or the firm of ammonia tank stopple coupon.
In the present embodiment, described constant volume sampler 22 comprises stopple coupon 20, sampling cavity, sampling cock and setting-out pipe 23.
In the present embodiment, described stopple coupon 20 is opened on sampling cavity; The lower end of setting-out pipe 23 is stretched in analyzer tube 24.
In the present embodiment, described analyzer tube 24 is provided with elastic interface 34; Setting-out pipe 23 is connected with analyzer tube 24 by elastic interface 34, can dismantle.After the constant volume sampler 22 of this device detachable, be connected with the sampler in " a kind of liquefied ammonia samples safely and device for filtering impurities " disclosed in the same time, realize automatic sampling and the content quick determination of liquefied ammonia.
In the present embodiment, described analyzer tube 24 is divided into Cheng Yang district, volatilization district; Volatilization district comprises sloping portion and ammonia emission pipe 26.Analyzer tube is made up of Cheng Yang district, volatilization district two parts, and bottom has scale part to be Cheng Yang district, and volume is 250ml, live part 200ml, and foot volume is 1ml, and internal diameter is 5mm, and by reducing, upper inner diameter is 50mm; Top is volatilization district, and the narrowest internal diameter is 30mm.
In the present embodiment, the top of described analyzer tube 24 is inclination position, is communicated with below this inclination position with ammonia emission pipe 26.Analyzer tube adopts certain angle to tilt, and become enclosure space from uncovered volatilization and volatilize, avoid in test process, external impurities enters analyzer tube, and ammonia, by certain degree of tilt, reduces foreign material and carries, improve the accuracy analyzed.
In the present embodiment, described analyzer tube 24 is with the accurate meter of liquid level, and the constant volume of this analyzer tube is 250ml, and useful volume is 200ml.Can Measurement accuracy remaining residue volume, hypomere 1mm part measuring error is 0.02ml.
In the present embodiment, the lower end of described analyzer tube 24 is provided with blowdown flushing valve 28, realizes on-line rinsing, directly discharges, and rinses thoroughly with convenient; The lower portion of this valve is inserted in waste liquid processor 29, processes, reduce the pollution to environment to the liquefied ammonia of blowdown.
In the present embodiment, the ammonia emission pipe 26 in the volatilization district of described analyzer tube 24 inserts in waste liquid processor 29, absorbs, reduce the pollution to environment to the ammonia of evaporation.
In the present embodiment, the lower end of described analyzer tube 24 is positioned at blowdown flushing valve 28 top, is provided with microthermometer 32(as shown in Figure 7), the temperature analyzing residue after in-tube evaporation can be accurately measured.
In the present embodiment, analyzer tube 24 region is for surveying ammonia region, and this survey ammonia region is provided with ventilating opening 25, heating arrangement, ventilating fan 27 and accurate temperature controller meter 33, can realize the constant temperature temperature control heating of liquefied ammonia evaporating area, improves the evaporation rate of liquefied ammonia.
In the present embodiment, described waste liquid processor 29 is provided with water intaking valve 30 and draining valve 31.Waste liquid processor realizes the automatic absorption of liquefied ammonia flushing waste and evaporation ammonia, and waste liquid enters ammonia district wastewater disposal basin, realizes waste liquid and focuses on, do not produce toxic emission, clean environment firendly.
It will be apparent to those skilled in the art that liquefied ammonia of the present utility model samples safely, to filter and self-measuring device comprises the combination in any of each several part in this instructions.As space is limited and in order to make instructions simple and clear, these combinations are not introduced one by one in detail at this, but after having seen this instructions, the scope of the present utility model that the combination in any of each several part be made up of this instructions is formed is self-evident.
Claims (12)
1. liquefied ammonia samples safely, filters and a self-measuring device, and comprise sampler, flows of liquid ammonia gauge and filtration unit (10), it is characterized in that: this device one end is provided with universal loading arm, the other end arranges standard interface (13); Be provided with liquid ammonia sampling device sample connection in this filtration unit, this sample connection is provided with the metal sampler pipe assembly of tunneling boring sample connection (1) or hydraucone sample connection (2); Described metal sampler pipe assembly comprises metal coupon, reduction valve (5), stop valve (6) and sample valve (4), and sample valve (4) adopts and automatically controls; Tunneling boring sample connection (1) or hydraucone sample connection (2) are connected with constant volume sampler; This device is provided with piping system (3), and this piping system is arranged on front end or the rear end of this device.
2. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the range of described constant volume samapling container is 200ml, and maximum error is ± 5ml.
3. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: be provided with stainless steel filtering net and liquefied ammonia special filtering filter core in filtration unit (10), described stainless steel filtering net is positioned at the entrance point of filter core; Filtration unit (10) precision is greater than 1 μm.
4. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: filtration unit (10) is provided with entrance door (8) and bypass door (9).
5. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the front end of filtration unit (10) is provided with flowmeter (7).
6. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the bottom of filtration unit (10) arranges impurity accepting regions.
7. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the bottom of filtration unit (10) is with slope (15); The minimum position on slope (15) is provided with blowoff valve (16).
8. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the outlet of filtration unit (10) is provided with tensimeter (11) and safety valve (12).
9. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, it is characterized in that: the internal diameter of filtration unit (10) is greater than filtration unit inlet duct internal diameter.
10. liquefied ammonia as claimed in claim 1 samples safely, filters and self-measuring device, and it is characterized in that: the top of filtration unit (10) is provided with access hole, the outlet position, top of filtration unit arranges reduction valve.
11. liquefied ammonia as claimed in claim 1 sample safely, filter and self-measuring device, it is characterized in that: with sealing-plug on piping system (3) and standard interface (13).
12. liquefied ammonia according to any one of claim 1-11 sample safely, filter and self-measuring device, it is characterized in that: this device Integration Design, modular combination, are divided into portable and fixed; The bottom of this sampling and self-measuring device is with wheel (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520350243.8U CN204789032U (en) | 2015-05-27 | 2015-05-27 | Sample of liquid ammonia safety, filtration and automatic measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350243.8U CN204789032U (en) | 2015-05-27 | 2015-05-27 | Sample of liquid ammonia safety, filtration and automatic measurement device |
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| CN204789032U true CN204789032U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569518A (en) * | 2020-05-15 | 2020-08-25 | 营口德瑞化工有限公司 | Liquid ammonia filter equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569518A (en) * | 2020-05-15 | 2020-08-25 | 营口德瑞化工有限公司 | Liquid ammonia filter equipment |
| CN111569518B (en) * | 2020-05-15 | 2022-04-15 | 营口德瑞化工有限公司 | Liquid ammonia filter equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |