Some standard content:
1CS11.0101013.100
Case No.: 15519-2335
Coal Industry Standard of the People's Republic of China
MT949-2005
Automatic Resuscitator for Coal Mine
Published on 2005-02-14
National Development and Reform Commission
Implemented on 2005-06-01
Present Normative Text
Terms and Definitions
Classification, Model, use conditions, technical requirements, test methods, inspection, marking, packaging, transportation and treatment Appendix A (informative appendix) Structure and material requirements of automatic resuscitator for mine expansion MT949-2005 MT949--2005 Technical standard part of the relevant standards of Russia and other countries, this standard is proposed by China Coal Industry Association and Technology Development Headquarters. The standard is drafted by the National Coal Mine Explosion-proof Safety Product Quality Supervision and Inspection Center. The main contributors to this standard are: Ma Qing, Yu Jin, Xin Zhongfa Ming Lilong, Wei Mo Ni, Wen Yi, Zhou Feizai, etc. This standard is a mandatory standard.
This title is published for the first time.
1 Model
Energy generator for coal mines
MT949—2CC5
This standard defines the model, product classification, technical requirements, test methods, and inspection specifications of energy generators. This standard is applicable to users who need energy generators for the following purposes: 2 Normative references
The clauses in the following documents become the clauses of this standard through marked references: Any referenced document with a specified date and all subsequent amendments or revisions are not applicable to this standard. However, all parties involved in the research and development of this standard are encouraged to use the latest version of the referenced document based on this standard. Any non-current referenced document shall be used in accordance with the applicable provisions of this standard. GH191-200C Storage and Transportation Diagram
t:H/T 1265—2000
Pressure gauge
GD3836.1—2CG: General requirements for explosion-proof electrical equipment for explosive atmospheres GH3836.4—2c3c
Explosion-proof electrical equipment for explosive atmospheres Intrinsically safe circuits and electrical equipment\\GH5091S1:
Seamless steel gas cylinders
GB 62-1US
Medical yellow
/T5111.-19R8 Method of random number sampling GL1H0U4—15V (Periodic inspection and assessment of seamless steel gas cylinders YY00761592
Technical conditions for the classification of metal parts
3 Terms and definitions
The following terms and definitions apply to this standard. 3.1
aglonalic Yesscitator
Resuscitator
It is an instrument that helps the injured and patients in the state of respiration, respiratory failure, paralysis or respiratory retention to breathe and can wake them up. 3.2
Automatic lung aotomaiclnng
It is a pneumatic component that can produce and inhale air under a certain gas pressure, which is equivalent to the respiratory qigong of human lungs. 3. 3
Inflating pressureinflatinginpressure
Autonomous lung inflation (refers to the positive force in the system when a person inhales. 3.4
Pumping pressurepumpiagpressure
The accumulated pressure in the system when the person breathes in (equivalent to exhaling) 3.5
The automatic ventilation plate is adjusted to the range of theadjutmentrangeututumnlkeyeatilutiolvlune refers to the maximum and minimum amount of self-exhalation and inhalation per minute in the unit 3.5
Autonomyhreathing
Refers to whether the person has recovered to the normal state of life MI949—20C5
Passive breathing
passive breathing
Also known as automatic breathing outside, that is, the inhalation performed by regulating the human body and the respiratory action through the action of the external instrument (or lung),
suction ejection pressure esirenfattractandshootphlegmliquld automatic resuscitator in a certain gas flow recording effect, special suction special medium and small form a certain optimal pressure, that is, suction positive force, can be sucked out of the phlegm in the throat reputation of the survival, these suction positive force values are the natural ejection force 3.9
High E systemhighpressursystem
The system composed of all parts in the automatic resuscitator that are in contact with high positive gas <such as reducer, gas cylinder, pressure gauge, etc.>, 3. 10
Low pressure systemluyiressnrekyktem
The system composed of all parts and components in the automatic resuscitator through which low-pressure gas (oxygen and sound gas) passes. 3.11
erasingpresywrcfreleflveThe opening pressure of the safety valve (or pressure relief hole)When the pressure in the chamber of the device exceeds the locking limit, the safety valve (or pressure relief hole) can automatically start to release the pressure outside the system to ensure the safety of the system. This rated pressure limit is the opening force of the safety valve or pressure relief hole. 4 Types, classifications, models, specifications and conditions of use 4.1 Type
Using a high pressure oxygen cylinder (including a carbon fiber composite cylinder or a new carbon fiber composite cylinder) filled with oxygen as the oxygen source, the oxygen supply is connected to the breathing gas. It mainly consists of oxygen cylinders, decompressors, lung pumps, self-reliant valve masks, tongue devices, air diffusers, front airway, and liquid support. 4.2 Classification
The protective room used for the test of positive shrinkage can be divided into two types: 30, 50, and 0. 4.3 Model
4.4 Basic parameters
The basic parameters are shown in Table 1.
C min type
C mir Model
Conditions of use
FJ.MP
Test department designated by the state·Environmental serial number valid for use time (i)
:-Su Niu (second characteristic code)
, automatic (common characteristic code)
: Mining (product type code)
Gas volume-1
Machine mass.k
Gas volume, 1
4.5.1 For use in mines and medical industries for temporary rescue of disaster-stricken personnel, 4.5.2 The following environmental atmospheric systems must be met:) Operating temperature: 0--
Cabinet for source:
E Technical requirements
5.1 The main energy products shall comply with the requirements of the standards, and specify the drawings and technical specifications for approval. 5.2 Appearance inspection;
MT949-2035
The product shows that the spray coating and the base are combined at a uniform rate, the color is uniform, there is no needle, spot, effect, skin, bubble flow marks, etc. The shell is not designed, the riveting must be complete, and the protective markings are available: 5.3 Tightness:
5.3.1 High-pressure system airtight parts:
When the gas cylinder is closed after 2MP, the indication of the table should be within 1i. MP:.
5.3.2 Low-pressure system airtightness:
Low-pressure system positive pressure gas measurement: The parts with strong pressure should be P. 5.4
5.4.1 The manufacturing of gas cylinders should comply with the relevant provisions of G359194/. 5.4.2 The pressure gauge should be in accordance with GB/126-2096. 5.4. The three-way opening of the temporary gas system safety valve should be within the range of 6.7~0.8MP. 5.4.4 The three-way opening of the external gas reverse valve should be: 5.4.5 Reduced pressure:
5.4.5. When the added pressure of the gas is 20MWh, the pressure valve should close at 5.35MP. 5.4.5.2 The reduced pressure should also be used when the gas cylinder positive pressure reaches 21MP. MP:, the output volume of the reducer varies within the range of .s--s.Lmi
5.4.5.3 The output of the reducer should be 3.5M15.4.E Automatic lung:
5.4.E.1 Automatic lung inflation pressure:
When the air flow is reduced to 6:/mim, the dynamic inflation force should be 1.77-2.25 kP: :5.4.5.7 When the dynamic suction pressure
When the oxygen input is 6./mi5, the automatic lung suction pressure should be -.47~.-.961,P:, 5.4.6.3 Automatic lung air safety net opening pressure
When the automatic lung is placed in a fixed position and the inflation valve is connected to the 51./mi calibration gas system, its rise time should be in the range of 2.70-3.22kPs.
5.4.E.4 Automatic gas safety opening force: The suction safety limit is 15/1mi-1. When the gas supply is stable, the opening pressure should be within the range of -2.23~2.79kPa. 5.4.5.5 Suction injection pressure:
When the oxygen input volume is SL/min and the gas flow is stable, the suction pressure of the automatic lung is 1L/min. The total output (the sum of the branch outputs) is greater than 13E/min. The suction injection pressure in the suction bottle should be 59kP. 5.4.6.6 Automatic lung replacement: Www.bzxZ.net
When the oxygen input volume is G1./n, the automatic lung ventilation disk should not be lower than L/ra:n. When adjusting or adjusting the gas supply, the automatic lung ventilation disk should be adjusted to 13L/r, and the upper limit is 25mn.3
MT 949-2CC5
5.5 Spontaneous breathing principle:
5.5.1 When the air supply is stable at 30L/min, the air supply should be Pa5.5.2 When the air supply is stable at 0L/min, the exhalation and breathing resistance of spontaneous breathing should be 5.5.3 The adjustable limit of spontaneous breathing oxygen supply should be 1.1.5.6 The time of fast use:
When the oxygen cylinder is 20M1a, the oxygen supply of the artificial lung is 61.mr. The ventilation volume should not be less than 11./mi.3n. The rate should be m.50m.||tt ||5.7 Plastic parts, parts and metal parts used in the medical device should be smooth, free of hair and obvious scratches and cracks. Tools used for oral cavity (such as tongue, mouth opener, etc.) must be free of dust and dirt, and meet the requirements of quality and hygiene. 5.8 Medical oxygen should comply with the thermal specifications of GB8982-1958. 5.9 Output digital pressure transmitter should have a valid calibration certificate. For explosion test of electronic products, it should meet the requirements of GB5836.1 and GB3836.4 for explosion-proof safety. 6 Test method
6. 1 Resuscitator performance test The instruments and equipment used in the test and their details are as shown in the table. 6.1.1 6.2 Air tightness test Safety device information Flow meter or variable speed unit Vacuum system for use with resuscitator type Scuba tank Oxygen system 6.2.1 High pressure system is relatively airtight: Explanation Each 0.16m, 2.5°C, 2.2m3/s, 3.5°C, 2.2m3/s, 1.2m3/s, 2.5°C, 2.2m3/s, 3.2m3/s, 1.2m3/s, 2 ... Level zero is -t. 1 -0 VPa - temperature 2. 1. Report no pressure angle 1. 77 ~ -2. 4 k:. Or the pressure should be -1. 47 ~ -t. kP
and type, -*, 5--1 kP;
force n~.2:MIPn
Close the low pressure system and open the large gas, the pressure value of the small system shall not be lower than 1M, then forget to close the oxygen cylinder, and record the changes in the pressure gauge (or pressure sensor) for more than 1ri. 6.2.2 Low pressure system airtightness:
Close the low pressure system outlet and small air inlet, and then check whether the low pressure system parts are replaced with soap foam: or close the low pressure system inlet, connect the double ball and the pressure support at the outlet, take out the library spring to pump air into the system, stop pumping and pat the inflation pipe with spring, start the stopwatch and calculate the pressure within 1min! The next digit. 6.3 High-pressure two-port pressure measurement
Close the pressure measurement device as shown in Figure 1,
model:
a commercial meter:
4 low-pressure meter:
, 5 nu fixed maximum hole
MT 94$—2005
connect the connection method shown in Figure 1, first release the reducer to check the calcium stability<large system needs to be closed and the low-pressure meter is turned on, and record the low-pressure meter indication.
6.4 Pressure reducer flow test
E.4, the flow change range of the pressure reducer is as shown in Figure 1, when the small force of the gas cylinder is 20MPa, open the flow and do not close it, slowly adjust the pressure reducer, make the output compensation within 6.1./ri, close the half-breathing wine, open the air switch and divert the flow, when the high ratio indication is stable at 2,MPa, the flow rate is at the bottom of the indication, then close the source and open the fast flow to see the return to zero: then restart 4.2 Determination of the adjustable limit of the condenser output: After the flow change measurement is completed, the gas T switch and the flow meter are set, and the injection direction should be adjusted to make the output flow to the maximum position. If the value can meet the requirements according to the indication, or directly make a 20M two-pressure air flow to the required air outlet station, record the pressure of the pressure gauge connected to the air reduction air mountain, E.5 Automatic swelling test
E. 5. 1 Automatic lung production and air pressure method:
Use the special wall test device "scuba equipment" to set up, as shown in Figure 2, first inject water into the "wooden intestine" to make the business zero position level and deep air adjustment, then press the automatic lung air source on the mouth of the scuba equipment to make the automatic lung perform normal inflation and deflating. Then the glass scale on the surface of the scuba equipment indicates the normal movement state, and the small limit value is the inflation force value of the automatic lung, which can be measured and read.
6.5.2 Digital lung inflation and deflating Full blown fan force measurement: The new diagram of the scuba equipment is as follows: the air is connected to the automatic scuba safety valve on the solid interface, and then a fixed air flow of 1.0 mi is introduced into the scuba valve. The force value when the automatic inflation safety valve and the full blown fan valve are opened and the maximum low water column is reached are read in the glass tube with a ruler. MT949—2005
Naturally,||tt| ... 3. Automatic lung ventilation measurement: Install the automatic lung ventilation test as shown in Figure 3, connect the energy gas to the automatic breathing chamber, adjust the reducer to minimize the air supply, and the automatic lung can just maintain the head, measure the number of pure actions per minute equal to or less than 12 times, stop the full reduction of the end of the air supply pressure, measure the number of actions per minute or equal to 5 times, and then restore the energy production. 6.6 Spontaneous breathing test 6.6.1 Joint resistance measurement The spontaneous breathing test is shown in Figure 4. Opening: Opening the heart of the instrument: Main breathing room MT949-2335 is the method to open the air switch . Adjust the pressure gauge, the actual output flow is 30L/mn, connect the measuring connection to the receiving end of the autonomous breathing, record the water meter indication value. 6.6.2 Connect the sample and gas of the autonomous breathing valve: 4, connect the measuring connection to the end of the autonomous breathing, record the water meter indication value, 6.6.3 The air supply plate of the autonomous breathing receiver is as shown in the figure:
1-1:
Pressure gauge:
Autonomous breathing cavity:
Strictly measure the flow meter:
Combine the air of the autonomous breathing valve with the stone; then seal the exhaust hole and the gas storage interface with rubber sleeve and rubber, turn off the gas cylinder switch, adjust the flow gauge to the maximum flow position, and record the flow meter indication value: 6. 7 Suction and injection pressure measurement
Suction and injection pressure test
High pressure support:
Jade,
Rated use time
When the gas source H is less than 2CMU, adjust the pressure flow rate to keep the automatic mold gas volume at 5Lm, record the use time, 5.9 Material inspection
The rubber material, nylon material, and special tools pressed in the automatic mold should have no irritating odor. The quality inspection department of the manufacturer shall issue a certificate of quality or material guarantee. 7 Inspection regulations
2.1 Strict inspection
The product is manufactured by the gas manufacturer. After the quality inspection department has passed the inspection and issued a certificate of conformity, it is allowed to leave the factory or be submitted for acceptance. Factory inspection items are shown in Table 4:
MT949—2005
1.2 Type inspection
Type inspection is carried out when one of the following circumstances occurs: new product identification, finalization verification, semi-product soft production: a
E normal production, 10% inspection per month
Suspended for one year before resuming production:
There are six differences between the inspection results and the previous type inspection; when the national quality supervision agency makes a request. Type or test item white table 4.
Compare by energy item
. 4, 1
5, 4, 2
. ta 2
5. 4. 5.2
5. 4. 5. 3
E. 4. s. 4
5. 4. 5. 5
5, 4, 5, 6
Net/for test item date:
7.2. 1 Sampling observation rules
Pick up to class F
Appearance inspection
High-pressure system gas outlet
Low-pressure system gas outlet
Gas cylinder
Lexicon
Gas distribution system full pressure
External gas source through the original opening Baiqiu force
High-pressure chamber pressure)
Reduced material output model
Reduced size: large pressure, force
Automatic dead air pressure
Automatic lung suction pressure
Automatic inflation pressure
Small output
|air exchange volume
after the inner
fixed time
is the inspection date: C is the type control inspection item, signature type
type category
from the qualified products after factory inspection according to G10111-19k8 standard, the sampling quantity is calculated as 30, the number of oil samples is less than 3 sets
7.2,2 judgment rules
sample inspection results, if one of them fails to meet the requirements, additional inspection shall be carried out, and there is still one set or item that does not meet the requirements, then the sampled product is judged as unqualified; if one set or more items do not meet the requirements, then the oil sample product is judged as unqualified, and zero is qualified. 8. Marking, Packaging, Transportation and Storage
8.1 Marking
The product nameplate shall be installed in a conspicuous place on the outside of the regenerator, and shall include the following information: product model and name, trademark:
Production route and factory number.
Quality certificate
Safety mark (MA certificate and number:
Year of manufacture
Manufacturer's name, product number or permanent marking.
5.2 Packaging and transportation
3.2.1 The product shall be packed with air at the bottom of the box. 9.2.2
MF949--2005
The packaging box can be made of light metal sheet, leather, plastic or tile and shall have sufficient strength. Product packaging The packaging box should be in accordance with the standard document and marking system of 191-2000, including: manufacturer's name and address: product model name and number: date of manufacture). 8.2.5 The product can be transported by car, train, ship or airplane. It cannot be over-pressed and cannot be placed in contact with corrosive chemicals or oils. Avoid mechanical collision. 8.3 Storage The product should be stored in a well-ventilated, dry warehouse with a temperature between 600 and 800 degrees and away from heat and free of corrosive substances.
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