井巷工程第二章钻眼爆破

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. 2000 /min 2000 2500 2500 /min

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.

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.

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YT23 7655 ( ) : YT23 7655

:

:

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TROCK712.TROCK812

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P Pc

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c=40 80MPa

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(a)

1- 2- 3- 4- 5- 6-

(b)

1- 2- 3- 4-

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,

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90 120 110

3 7

18

30 35

38 43

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8 55 40

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. :

T7 T8

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1 2 3

:

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.

C H O N H C

O

1. 2.

. Hg(CNO)2Pb(N3)2

C6H2 NO2 2N2O 2. 3. ( )

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.

C+O2C O2+395KJ/mol 2H2+ O22 H2 O+240.7 KJ/mol NN2 O CO H2 C

NO NO2

CaHbNcOd a b c d

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16)

22(

+

=M

badKb

%10016)

22(

+

=M

badKb

Kb>0 , N NO N2O5

Kb

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NH4NO3

4% P31 NH4NO3 +0.2g/g -3.42 g/g -1.37g/g

)/(2.01680

)2402(3

ggKb +=+

=

X=92.21 Y=3.79 NH4NO3=92.2% =3.8% =4%

=+=

960437.142.32.0

yxyx

100g NH4NO3 X y

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KJ/mol KJ/kg

Q1=Q+Q2 Q= Q1- Q2

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C CH2ONO2 4

C CH2ONO2 4 3CO2+2CO+4H2O+2N2

CO2 395 KJ/mol CO 113.8 KJ/molH2O 240.7 KJ/mol 512.5 KJ/molQ1=3953+113.82+240.74=2375.4 KJ/molQ2=512.5 KJ/molQ= Q1- Q2=2375.4-512.5=1862.9 KJ/mol Q=1862.91000/316=5895.3 KJ/Kg

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2000 9000m/s

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1 1

P0 F P1 P1 P0 P0

F

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2 (P T)

3 1 u c 2 4

5

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2 1

P0R

t0R0

R=R0

R=R1 A1-A1,

R=R2 A2-A2

R=Rn n n-1 An-An

A1t1

P

A1R

R1 P

A2t2

R2

A2

R

P

Rn Antn

AnR

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2

3

1 D C

2

3 D

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Z-N-D

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BS-1

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1.

D d D1 a

)1(1 daDD =

2. D=a+b0 a b 0

D1

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3.

4.

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1.2

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. ( )

H=H1-H2

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mL 15

=V-V1-V2

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.

( )

0.5g

75C 48

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1- 2- 3- 4- 5-

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10kg 25cm

0.05g 25 25

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. 1. TNT C6H2 NO2 3CH3

180C 4229KJ/kg 6850m/s 285

300ml 19.9

2. RDX

CH2NNO2 3 50C =1.66g/cm3 520 ml 16 830 m/s 3. PETN (C(CH2ONO2)4)) 1.74g/cm3 500 ml 15 840 m/s

4

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NH4NO3

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NH4NO3TNT NaCl

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2 3

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32 35

38mm l00 150 200g

190 170mm

6

4

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95% 5%

; ( )

;

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1

2

4~7 3 5~20

4000m/s 6~19mm 400~500mL

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TNT

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8

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1.42 -34 95 86% 86 8

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3.1Pas

80( ) (

)

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4000~5500m/s

2 15~19 8

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1

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2.

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3.

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4

(1) (2) (3)

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1

d=0.52mm

0.6 l=4 d=50m

0.80.13 d=40m 30.4 2m 4

6.3 205 50mA 0.25Q

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2 Q=I2Rt 5min

150mA

50mA 5min50mA

99.9999% 700mA

1min 700mA

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100ms 100 ms 100% 6 ms 6 ms 100%

6ms

3.

Ke=I2t

I A

t

s

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Kb= 2I100 2t

S=1/Kb Km=I2tm

2I100I100I

Ke

Kb

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4

tmaxtmin+

tmin tmax

2A 1.5A

minmax KKI

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5 10

(110 ) 6 8

8

8 (

) 0.28g

0.32g ( )0.60g

( 232) 30mm 6 4 8

5

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( )

12g/m

6.2mm 6500m/s 7.3mm 6000m s

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3mm

1.5mm

20mgm

( )

2000m/s

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1. 2- 3-

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( )

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FB

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220 v 380 v

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U r R R1

R2 n m=1 m n=1 n m

mRnrUI+

=

60 3 , , 10 ,6 , 5, 220v .( 4A)

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1/2

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0.3m

,

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1

2

3

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( ) W

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W1

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W2

; W3

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r W n=1 c 1

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60 40

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Ll Ll=

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2003

22

110 16

36.67% 40.44% 84.21%

19 83 31.67%

30.51% 11 48

5 18 2 8

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10

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2003

3 46 14.29% 11.25% 12 195 57.14 47.68% 4 74 19.05% 18.09% 2 94 9.52% 22.98%

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(2)

2002 1

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6 1 1

4 1 1 1

2

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1/3

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20m

1%

NaNO3+NH4CLNH4NO3+NaCl

l 2

34 45

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2005 11 27 21 22 171 ( 2 ) 48 4293.1

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130ms 1% 160ms 0.3%~0.5% 260ms 0.3~0.95% 360ms 0.35%~1.6% 130ms 360ms

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1

50% 2 150

3

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2.1

2.2 1.

2

3

4
Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25Slide 26Slide 27Slide 28Slide 29Slide 30Slide 31Slide 32Slide 33Slide 34Slide 35Slide 36Slide 37Slide 38Slide 39Slide 40Slide 41Slide 42Slide 43Slide 44Slide 45Slide 46Slide 47Slide 48Slide 49Slide 50Slide 51Slide 52Slide 53Slide 54Slide 55Slide 56Slide 57Slide 58Slide 59Slide 60Slide 61Slide 62Slide 63Slide 64Slide 65Slide 66Slide 67Slide 68Slide 69Slide 70Slide 71Slide 72Slide 73Slide 74Slide 75Slide 76Slide 77Slide 78Slide 79Slide 80Slide 81Slide 82Slide 83Slide 84Slide 85Slide 86Slide 87Slide 88Slide 89Slide 90Slide 91Slide 92Slide 93Slide 94Slide 95Slide 96Slide 97Slide 98Slide 99Slide 100Slide 101Slide 102Slide 103Slide 104Slide 105Slide 106Slide 107Slide 108Slide 109Slide 110Slide 111Slide 112Slide 113Slide 114Slide 115Slide 116Slide 117Slide 118Slide 119Slide 120Slide 121Slide 122Slide 123Slide 124Slide 125Slide 126Slide 127

Documents

井巷工程 第二章 钻眼爆破

井巷工程第二章钻眼爆破