CN209372801U - A kind of ammonia gas detecting system - Google Patents

A kind of ammonia gas detecting system Download PDF

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Publication number
CN209372801U
CN209372801U CN201821929854.8U CN201821929854U CN209372801U CN 209372801 U CN209372801 U CN 209372801U CN 201821929854 U CN201821929854 U CN 201821929854U CN 209372801 U CN209372801 U CN 209372801U
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column
air distribution
distribution disk
air
sampling
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赵永光
边媛
张庆乾
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BEIJING BIANHUADIAN CHEMICAL ANALYSIS INSTRUMENT Ltd Co
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BEIJING BIANHUADIAN CHEMICAL ANALYSIS INSTRUMENT Ltd Co
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Abstract

The utility model relates to a kind of ammonia gas detecting systems, including sequentially connected sampling apparatus, transfer conduit and analysis cabinet, the sampling apparatus includes more sampling pipes and air distribution gear, and the air distribution gear includes column and is rotationally connected with air distribution disk of the column far from sampling pipe one end;The column offers multiple air flues through column centered on axis and in the axial direction, each air flue is connected to each sampling pipe and is respectively communicated with, the air distribution disk, which offers one close to the side of column, successively can divide stomata with what each air flue was connected to air distribution disk rotation, the air distribution disk is connect far from the escape pipe for being fixedly connected in the middle part of one end of column with dividing stomata to be connected to, the escape pipe with transfer conduit.The utility model has and can be detected respectively to carrying out multi-point sampling and can be realized in flue simultaneously, easy to operate, improves the effect of working efficiency.

Description

A kind of ammonia gas detecting system
Technical field
The utility model relates to the technical fields of gas sampling measurement, more particularly, to a kind of ammonia gas detecting system.
Background technique
In the industrial production of modernization, the flue gas that fire coal generates is that serious pollution is brought to environment;Atmospheric aerosol, Phenomena such as acid rain, greenhouse effects and depletion of the ozone layer, is related with coal-fired flue-gas.For this purpose, the purification of coal-fired flue-gas is protection The important means of environment.According to the pertinent regulations of current country, factory must carry out the processing of desulfurization and denitration to coal-fired flue-gas. In China, the specification and technology of flue gas desulfurization have been mature on the whole, and denitration technology on a large scale development in.It is so-called de- Nitre is primarily referred to as the nitrogen oxides in purifying smoke, and the principle of denitrating flue gas is, using ammonia (NH3) as reducing agent, to be aided with gold Reduction reaction occurs for the nitrogen oxides in metal catalyst, with flue gas.Control in denitrification process, for reducing agent ammonia level It is that comparison is stringent, ammonia can excessively form a large amount of ammonium salt in reflection, have an impact to upstream device.So the prior art The middle ammonia concentration that will be escaped by measurement, to control the content of ammonia.
Existing to can refer to the Chinese utility model patent that Authorization Notice No. is CN203837978U, it discloses a kind of ammonias Detection device, described device specifically include: sampling probe acquires gas sample for connecting flue from flue;Collection tube Line transmits sampling probe gas sample collected for connecting sampling probe;Cabinet is analyzed, for acquiring gas for sampling probe Body sample, which provides, extracts pressure, receives the gas sample and carries out analysis measurement, obtains ammonia concentration.
When gas detects in flue at present, for the accuracy for guaranteeing detection, it is typically necessary progress multiple spot and adopts Sample is detected, and above-mentioned this ammonia detection device after primary sampling, needs to re-move sampling probe after being merely able to Position samples the another location of flue and is tested again, and cumbersome, using trouble is operated, and working efficiency is low.
Utility model content
The purpose of the utility model is to provide one kind to progress multi-point sampling in flue and can be realized difference simultaneously Detection, it is easy to operate, improve the ammonia gas detecting system of working efficiency.
The foregoing invention purpose of the utility model has the technical scheme that
A kind of ammonia gas detecting system, including sequentially connected sampling apparatus, transfer conduit and analysis cabinet, the sampling cartridge It sets including more sampling pipes and air distribution gear, the air distribution gear includes column and is rotationally connected with column far from adopting The air distribution disk of sample pipe one end;The column offers multiple gas through column centered on axis and in the axial direction Road, each air flue are connected to each sampling pipe and are respectively communicated with, and the air distribution disk offers one close to the side of column and turns with air distribution disk What kinetic energy was enough successively connected to each air flue divides stomata, and sealing is arranged before the corresponding one group of adjacent air flue of the column, point Stomata turns to the shutdown that can be realized all air flues positioned at sealing, the one end of the air distribution disk far from column with air distribution disk Middle part, which is fixedly connected with, to be connect with the escape pipe that divides stomata to be connected to, the escape pipe with transfer conduit.
By using above-mentioned technical proposal, in use, can be according to use demand, by each position of each sampling pipe and flue Multi-point sampling is realized in connection, and then operator can rotate air distribution disk according to requirements, and make air distribution disk divides stomata and column One air flue of body is connected to, so as to so that the gas of sampling pipe acquisition enters escape pipe by dividing from air flue in stomata, And transfer conduit is entered by air inlet pipe and is delivered to analysis cabinet analysis, after the completion of the analysis of the road, air distribution disk and another can be rotated One air flue connection, at this time other air flues by air distribution disk block can not outlet, then can analyze the gas in the road air flue, weigh Multiple above-mentioned steps can easily realize the gas analysis of different sampling pipe acquisitions, after power cut-off, rotation air distribution disk to sealing The shutdown of all air flues may be implemented in portion, and easy to operate, operational version improves work efficiency.
The utility model is further arranged to: the column circumferential surface corresponds to each air flue and the position of sealing opens up There is the first instruction slot, the circumferential surface correspondence of the air distribution disk divides the position of stomata to offer the second instruction slot.
By using above-mentioned technical proposal, when work, can cooperate according to the first instruction slot and the second instruction slot, just Just realization divides being sequentially communicated for stomata and each air flue, easy to use.
The utility model is further arranged to: the column corresponds to the position between adjacent air flue close to one end of air distribution disk Set and offer holding tank identical with column axis direction, be provided with positioning ball in the holding tank, the positioning ball with Accommodating to be fixedly connected between groove bottom can push positioning ball to tend away from the mobile spring in locating slot direction, the air distribution disk The position for corresponding to each positioning ball close to one end of column also offers locating slot respectively.
By using above-mentioned technical proposal, when rotating air distribution disk, positioning ball can pass through spring automatic retracted to holding tank The interior rotation convenient for air distribution disk, when turning to air flue with dividing stomata to be connected to, the side for positioning ball can be pushed away automatically by spring It send to the bottom surface of locating slot is connected to, to realize the positioning between air distribution disk and column, is easy to use, it is easy to operate.
The utility model is further arranged to: one end of the separate air distribution disk of the escape pipe is rotatably connected to and transfer tube The connecting tube that road is fixedly connected.
By using above-mentioned technical proposal, when work, connecting tube can be realized the connection of transfer conduit and escape pipe, and set The escape pipe set is rotationally connected with connecting tube and can be avoided connecting tube to be rotated with escape pipe, consequently facilitating transfer conduit and end cap Escape pipe be fixedly connected, it is easy to use.
The utility model is further arranged to: the air distribution disk is fixedly connected with gasket close to one end of column, institute Stating gasket correspondence divides the position of stomata to offer through-hole.
By using above-mentioned technical proposal, by using gasket can further increase air distribution disk and columnar part it Between leakproofness, protect every time detection can only be passed through detection gas all the way.
The utility model is further arranged to: being connected with sealing ring between the escape pipe and connecting tube.
By using above-mentioned technical proposal, by the sealing ring of setting can further increase connecting tube and escape pipe it Between leakproofness also avoided between connecting tube and escape pipe so that outside air be avoided to enter between connecting tube and escape pipe Gas, which overflows, to be dissipated in air, and detection accuracy is protected.
The utility model is further arranged to: the side of the connecting tube, which is fixedly connected with, can be turned on and off connecting tube Control valve.
By using above-mentioned technical proposal, power cut-off or when starting to work can be opened or closed by control valve Connecting tube, it is easy to use easy to operate.
The utility model is further arranged to: pipeline heating device is provided on the outside of the transfer conduit.
By using above-mentioned technical proposal, by using heating device heat to transfer conduit can be to transfer tube Gas in road is heated, to cause the object to be detected in gas to be adsorbed to transmission when avoiding transfer conduit temperature too low Detection accuracy is influenced on pipeline inner wall, and then ensure that the analysis precision of gas.
In conclusion the advantageous effects of the utility model are as follows:
1. multi-point sampling is realized in use, each position of each sampling pipe and flue can be connected according to use demand, Then operator can rotate air distribution disk according to requirements, and make air distribution disk divides stomata to be connected to an air flue of column, So as to and enter biography by air inlet pipe so that the gas of sampling pipe acquisition enters escape pipe by dividing from air flue in stomata Defeated pipeline and be delivered to analysis cabinet analysis, the road analysis after the completion of, air distribution disk can be rotated and be connected to another air flue, at this time other Air flue by air distribution disk block can not outlet, then can analyze the gas in the road air flue, repeating the above steps can facilitate Realization different sampling pipes acquisition gas analysis, easy to operate, operational version improves work efficiency;
2. in use, to sealing the shutdown of all air flues may be implemented, convenient for operation in rotation air distribution disk;
3. rotate air distribution disk, positioning ball can by spring automatic retracted to holding tank be convenient for air distribution disk rotation, When turning to air flue with dividing stomata to be connected to, the side for positioning ball can be by spring automatic push to the bottom for being connected to locating slot Face is easy to use to realize the positioning between air distribution disk and column, easy to operate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the air distribution gear of the utility model.
Fig. 3 is the structural schematic diagram of the positioning mechanism of the utility model.
In figure, 1, sampling apparatus;11, sampling pipe;12, sampling probe;2, transfer conduit;21, heating device;3, it analyzes Cabinet;4, air distribution gear;41, column;411, air flue;412, sealing;413, the first instruction slot;42, air distribution disk;421, divide gas Hole;422, escape pipe;423, gasket;424, the second instruction slot;43, connecting tube;431, sealing ring;432, control valve;5, fixed Position mechanism;51, holding tank;52, ball is positioned;53, spring;54, locating slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of ammonia gas detecting system disclosed by the utility model, including sequentially connected sampling apparatus 1, biography Defeated pipeline 2 and analysis cabinet 3, the side of transfer conduit 2 are also fixedly connected with the heating device that can be heated to transfer conduit 2 21.When work, sampling apparatus 1 samples flue dust, is then sent to transfer conduit 2, and heating device 21 carries out transfer conduit 2 Heating, can heat the gas in transfer conduit 2, to cause in gas when avoiding 2 temperature of transfer conduit too low Object to be detected, which is adsorbed on 2 inner wall of transfer conduit, influences detection accuracy, and then ensure that the analysis precision of gas, by having heated At gas by transfer conduit 2 send to analysis cabinet 3 analyzed.
Sampling apparatus 1 includes more sampling pipes 11 and the air distribution gear 4 being separately connected with more sampling pipes 11, and more are adopted Sample pipe 11 has been respectively fixedly connected with sampling probe 12 far from one end of air distribution structure, and multiple sampling probes 12 are connected to flue Interior each position.
Referring to Fig. 2, air distribution gear 4 includes column 41, air distribution disk 42 and connecting tube 43, during column 41 with axis is The heart simultaneously offers multiple air flues 411 that can run through column 41, one end energy of each air flue 411 along the axis direction of column 41 Enough to be fixedly connected with each sampling pipe 11, air distribution disk 42 is rotationally connected with the one end of column 41 far from sampling pipe 11, and divides gas Disk 42 and 41 coaxial line of column, air distribution disk 42 offer at the eccentric position that the side of column 41 corresponds to air distribution disk 42 One point of stomata 421 can be such that point stomata 421 is successively connected to each air flue 411 with the rotation of air distribution disk 42.Column 41 is corresponding It is additionally provided with sealing 412 between one group of adjacent air flue 411, can be made when air distribution disk 42 turns to 412 position of sealing each Air flue 411 is realized all off.Air distribution disk 42 is fixedly connected with escape pipe 422 far from one end of column 41, and escape pipe 422 At the axial location of air distribution disk 42, and escape pipe 422 is connected to stomata 421 is divided.When work, according to detection demand, will respectively it adopt Sample pipe 11 is connect with each position of flue, realizes multi-point sampling, and then operator can rotate air distribution disk 42 according to requirements, Make air distribution disk 42 divides stomata 421 and each air flue 411 of column 41 to be sequentially communicated, so as to only make a sampling every time The gas that pipe 11 acquires enters escape pipe 422 by dividing from air flue 411 in stomata 421, after power cut-off, rotate air distribution disk, make Air distribution disk divides stomata 421 to abut with 41 sealing 412 of column, and the closing of all air flues 411 can be realized.
Referring to Fig. 3, column 41 is additionally provided with positioning mechanism 5 close to one end of air distribution disk 42, and positioning mechanism 5 includes opening up In 41 end face of column and the holding tank 51 between adjacent air flue 411, axis direction and the column 41 of holding tank 51 Axis direction is identical, and positioning ball 52 is provided in holding tank 51, positions and is also fixedly connected between ball 52 and 51 bottom surface of holding tank There are spring 53, spring 53 and 51 coaxial line of holding tank, and under normality, spring 53 can push positioning ball 52 to tend away from holding tank 51 direction movement.The position of the corresponding each positioning ball 52 of air distribution disk 42 also has locating slot 54, the side of each locating slot 54 Corresponding 54 bottom surface of locating slot can be connected to by being pushed by spring 53, improve air distribution disk 42 and column 41 to be further Between leakproofness, air distribution disk 42 is fixedly connected with gasket 423 close to one end of column 41.It is fixed when rotating air distribution disk 42 Position ball 52 can by spring 53 automatic retracted to holding tank 51 be convenient for air distribution disk 42 rotation, when turn to air flue 411 with When point stomata 421 is connected to, position ball 52 side can by 53 automatic push of spring to the bottom surface for being connected to locating slot 54, from And realize the positioning between air distribution disk 42 and column 41, and it is easy to use, it is easy to operate.
Referring to Fig. 2 and Fig. 3, the circumferential surface of column 41 corresponds to each air flue 411 and sealing 412 position and offers First instruction slot 413, the circumferential surface of air distribution disk 42 is corresponding to divide the position of stomata 421 to be also provided with the second instruction slot 424, and when work can To be cooperated according to the first instruction slot 413 and the second instruction slot 424, it is convenient realize divide stomata 421 and each air flue 411 according to Secondary connection, it is easy to use.Escape pipe 422 is rotatably connected to connecting tube 43, connecting tube 43 and outlet far from the side of air distribution disk 42 Sealing ring 431 is connected between pipe 422, the side of connecting tube 43 is also fixedly connected with the control that can be turned on and off connecting tube 43 Valve 432 processed, the one end of connecting tube 43 far from escape pipe 422 are connect with transfer conduit 2, and when work, connecting tube 43 can be realized biography The connection of defeated pipeline 2 and escape pipe 422, and escape pipe 422 be rotationally connected with connecting tube 43 can be avoided connecting tube 43 with going out Tracheae 422 rotates, consequently facilitating being fixedly connected for transfer conduit 2 and the escape pipe 422 of end cap, after power cut-off, can also lead to It crosses control valve 432 and opens or closes connecting tube 43, realize that connecting tube 43 is connected to or turns off with transfer conduit 2.
The implementation principle of the present embodiment are as follows: in use, can be according to use demand, by everybody of each sampling pipe 11 and flue Connection is set, realizes multi-point sampling, then operator can rotate air distribution disk 42 according to requirements, and make air distribution disk 42 divides stomata 421 are connected to an air flue 411 of column 41, so as to so that the gas of a sampling pipe 11 acquisition passes through from air flue 411 Divide and enter escape pipe 422 in stomata 421, and transfer conduit 2 is entered by air inlet pipe and is delivered to analysis cabinet 3 and is analyzed, which divides After the completion of analysis, air distribution disk 42 can be rotated and be connected to another air flue 411, other air flues 411 block nothing by air distribution disk 42 at this time Then method outlet can analyze the gas in the road air flue 411, different sampling pipes 11 can easily be realized by repeating the above steps The gas analysis of acquisition rotates air distribution disk, make air distribution disk divides stomata 421 and 41 sealing 412 of column after power cut-off It abuts, the closing of all air flues 411 can be realized.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of ammonia gas detecting system, including sequentially connected sampling apparatus (1), transfer conduit (2) and analysis cabinet (3), Be characterized in that: the sampling apparatus (1) includes more sampling pipes (11) and air distribution gear (4), and the air distribution gear (4) includes Column (41) and the air distribution disk (42) for being rotationally connected with column (41) separate sampling pipe (11) one end;The column (41) offer multiple air flues (411) through column (41) centered on axis and in the axial direction, each air flue (411) with Each sampling pipe (11) connection is respectively communicated with, and the air distribution disk (42) offers one with air distribution disk close to the side of column (41) (42) what rotation can be successively connected to each air flue (411) divides stomata (421), the corresponding one group of adjacent gas of the column (41) Sealing (412) are set before road (411), dividing stomata (421) to turn to air distribution disk (42) can be real positioned at sealing (412) The now shutdown of all air flues (411), the air distribution disk (42) are fixedly connected with and divide gas far from one end middle part of column (41) The escape pipe (422) of hole (421) connection, the escape pipe (422) connect with transfer conduit (2).
2. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: column (41) circumferential surface is corresponding each The position of air flue (411) offers the first instruction slot (413), and the circumferential surface correspondence of the air distribution disk (42) divides stomata (421) Position offers the second instruction slot (424).
3. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the column (41) is close to air distribution disk (42) position that one end corresponds between adjacent air flue (411) offers locating slot (54) identical with column axis direction, It is provided with positioning ball (52) in the locating slot (54), is fixedly connected between the positioning ball (52) and locating slot (54) bottom surface Having can push positioning ball (52) to tend away from the mobile spring (53) in locating slot (54) direction, and the air distribution disk (42) is close to column The position that one end of shape body (41) corresponds to each positioning ball (52) also offers locating slot (54) respectively.
4. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: separate point of the escape pipe (422) One end of gas disk (42) is rotatably connected to the connecting tube (43) being fixedly connected with transfer conduit (2).
5. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the air distribution disk (42) is close to column (41) one end is fixedly connected with gasket (423).
6. a kind of ammonia gas detecting system according to claim 4, it is characterised in that: the escape pipe (422) and connecting tube (43) sealing ring (431) are connected between.
7. a kind of ammonia gas detecting system according to claim 6, it is characterised in that: the side of the connecting tube (43) is fixed It is connected with the control valve (432) that can be turned on and off connecting tube (43).
8. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: set on the outside of the transfer conduit (2) It is equipped with pipeline heating device (21).
CN201821929854.8U 2018-11-21 2018-11-21 A kind of ammonia gas detecting system Active CN209372801U (en)

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CN201821929854.8U CN209372801U (en) 2018-11-21 2018-11-21 A kind of ammonia gas detecting system

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Application Number Priority Date Filing Date Title
CN201821929854.8U CN209372801U (en) 2018-11-21 2018-11-21 A kind of ammonia gas detecting system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118190540A (en) * 2024-05-20 2024-06-14 四川汇邦环保科技有限公司 Ammonia gas detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118190540A (en) * 2024-05-20 2024-06-14 四川汇邦环保科技有限公司 Ammonia gas detection device

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