新闻德国monacor MDM-830,number:11.0430优势报价

可以监控和显示升温速率等所有信息。触摸屏控制器：可以选择显示信息。实时图表显示实时的夹套温度和反应釜体内温度，显示实时的变化曲线以及安全信息等。彩色屏幕，详细菜单以及详细自我诊断系统都是可用的。设备可以用触摸屏热键，选码器或者程序号来控制。反应釜加热器分为两种模式一种是采用法兰式管状电热元件倒插在反应釜夹套中加热导热油，将热能传输给反应釜中的化工原料。还有一种方式是直接在反应釜中插入管状电热元件或在壁四周均匀分布电热管。轴封装置由于泵轴转动而泵壳固定不动，在轴和泵壳的接触处必然有一定间隙。为避免泵内高压液体沿间隙漏出，或防止外界空气从相反方向进入泵内，必须设置轴封装置。离心泵的轴封装置有填料函和机械。填料函是将泵轴穿过泵壳的环隙作成密封圈，于其中装入软填料（如浸油或涂石墨的石棉绳等）。机械密封是由一个装在转轴上的动环和另一固定在泵壳上的静环所构成。两环的端面借弹簧力互相贴紧而作相对转动，起到了密封的作用。机械密封适用于密封较高的场合，如输送酸、碱、易燃、易爆及有毒的液体。
ARO AF0660 GK1214604 AF0646S11HH47 GK1214607
Nöding P121-400-G17 压力传感器
Eaton Moeller 182400 K95-IPK 
OMRON F3S-TGR-NMPR-20-02  
SCHNEIDER XB6ECW6J1P  
walvoil PM1114825 191503310 换向阀 W1915033101 VIA/AP 10-12/VMP 02/TS.G/gh
Eaton Moeller 283146 MSC-D-10-M7(230V50HZ) 
Rexroth 0811 402 058 油压传动阀 
LAKOS  ILB-0075
UNIVER S5011320380  
CASAPPA 76400460           HDP35.100-34/30.22 D2                                                                       
KEB F5 16F5A1E-34GA 15KW  
BALLUFF BTL5-T110-M0100-P-S103
MD MICRODETECTORS MDI58C 102   
microsonic pico+15/TF/U   
Gefran-2019 F067896 GIGFOS010000HC10 0000X05 
SCHUNK SM36 20*40*40  
MD MICRODETECTORS MDI63G 1021   
SCHNEIDER MGU3.201.25N  
CASAPPA 69215709           PLP30.22/30.22/20.14 D/FS-L                                                                 
Gefran-2019 F053362 TC6-D-1-K-C-B-K-D-2 000X000X00250XX 
SCHNEIDER GS1GG3  
FINDER继电器405290360001   
Ac-motoren FCA 90 S-2/HE(FBA90S-2)
小强工控 CARLO GAVAZZI PS42R-PS11N7-YK0 
SCHNEIDER 9001KS53  
TRUCK PAC ES1224
SCHNEIDER LC1F1700Q7  
FURON UPM2-F812NC
GLOBAL WATER  WE550
ROTOFLUX T40-1301-01R 
Eaton Moeller 170M1472  
HONSBERG FF-015RMS-125 230VAC/1A/50VA
DOLD安全继电器67949  BF9250.91/002 UH=AC/DC24V DC4-20mA   
ATOS LIDD-3 油压传动阀 
CASAPPA 04101000             MANICOTTO MA A 48X44 DIN 5482 (23)                                                               
SIKO MSK5000-1119
HPI  M3AAN3060HL30A02N 
hastings LED HARD HAT LIGHT  
RIEGLER 226.02-25,5  
MD MICRODETECTORS MDI63F 220   
SCHNEIDER BMXFTB2020  
FINDER继电器406170210001   
IPF OYL26176   
microsonic zws-25/CD/QS   
LEUZE 50124982 BPS 348i SM 100 D 
STANZANI Art.128 
SICK KUP-1010-B
HPI  P1CBN3025XA20C04N 
Eaton Moeller 170749 FRBMM-D6/3/01-A 
SCHNEIDER VLSS1505  
SCHNEIDER NSYCURFT1K2T2K  
LEUZE 50126472 GF-ETG-SI-605-IQ 
DOLD安全继电器49630  BG7925.21 DC24V 1-10S   
SCHNEIDER XB5AV9B3  
OMRON MY4-02 24VAC  
NUOVO PIGNONE S.P.A. TD RV061271 1103143 NA1
RIEGLER 158 P  
BANNER P4GRK2308SRWE
sure Servo  SVL-210B
CASAPPA 02006524             MOTOR PLM20.20R0-82E2-LGD/GE-N                                                                   
RIEGLER ELAV15LST  
Eaton Moeller 284364 XSWV2012 
CASAPPA 03590209             PLP30.38D0-04S5-LGF/GF-N                                                                     
RIEGLER 603  
SCHNEIDER ABE9C1240L10  
VIVOIL齿轮泵X3M7401AEEE   
Reo 3000000253 REOVIB MFS 168, 6A, IP54 ID.6 16801
BANNER CL50GXXAOSNQ
BANNER BT112S
SIEMENS 7ME4100-1DD10-1AC1 流量计 
新闻德国monacor MDM-830,number:11.0430优势报价

冷却塔维修的方法：冷却塔的维修工序分三个阶段，即停机后的清洗保养，开机前的检查调试，正式开机运行中的巡视检查。冷却塔停机后的清洗、保养散水系统检查冷却塔主水管、分水管、喷头有无破损松动，及时时行修补、固定。清除布水管及喷头内部的污物，以保证水管畅通，喷头布水均匀。冲洗冷却塔水盘及出水过滤网罩，避免水垢污物积存堵塞管道。清洗完毕应打开泄水阀门，放尽水盘内积水，以免冻坏。检查水盘、塔脚是否漏水，如有漏点，及时补胶。

SIEMENS 1LP6166-4CA91-ZA12+B02+C07+G80+J25+J26+J27+J28+J30+K45+L1Y+Y  
Eaton Moeller 283449 SPD-STL/19/7F-S/BL 
STROMAG SEU4DC-DW+PPSM 250-107994
BURKERT 电磁阀126390   
SCHNEIDER ZB4BW13S  
Eaton Moeller 7-2OHGMA80  
CASAPPA 06875200             FP30.27D0-19T1-LGE/GE-N                                                                     
AirCom PR102-A600
BANNER UC-300RPD
Gefran-2019 F032118 1800V-DRRRVV-1120-000 
LOWARA PUMP SVI6007/16S186T/P COD.10170227RXN MOTOR:3~RLM160B5/3186 53025.VB00
BUHLER MKS-1/W-L24V ART.NR. 2890999
MAXON电机352990   
STAHLWILLE 12007-2
ZIMM Maschinenelemente KUZ-KK-32-25/32 联轴器 
SELET传感器N618313   
HPI  M3CEN2018HL40C03N 
OMAL D424H406
Valvaut Z200303E
MD MICRODETECTORS MDI58F 396   
CASAPPA 02008388             INTERMEDIATE SECT. PLP20.16D0-****-LMB/MB-N-I FS                                                 
Demag Cranes AG KBA112B16/2,380V 0.28/3KW  
SCHNEIDER A9N61654  
hastings 21363  
RIEGLER FUM 611 M-10  
HESMOR HID-38-H-08-1000-MH  
SCHNEIDER LC1K06013P7  
Gefran-2019 F055954 TR6-B-1-B-B-A-I-D-2 000X000X00200XX 
MGV PH30-1202  
Gefran-2019 F048817 1600P-RRR0I0-0000-000 
ARGO-HYTOS GmbH P23-1.2L 66017 
SCHNEIDER A9F95110  
PYRONICS ADJUSTABLE ORIFICE-1"BSP
RIEGLER 202.148-2  
SCHISCHEK REDMAX 5.10-F 电机3 
Turck RSSD-RJ45-441-2M/S2174 Nr.6915781
UNIVER HC271818  
Erhardt+Leimer 00300727 HP 0360
OMRON E2A-M18KN10-WP-B1 5M  
BANNER SLPR25-550P8
BECKHOFF C9900-F942  
DOLD安全继电器32675  BA7905.82 DC42V 5-100S   
MD MICRODETECTORS MDI38F 1566   
GUTEKUNST弹簧D-110   
OMRON A22NN-MGA-NWA-G112-NN  
Eaton Moeller 178565 M22-WJS2H-2P 
leuze  MTKS 20X30.1
Electronicon E51.P25-153R20   
Hal Techhology HAL-HPC300
InterApp ES2.P01H
OMRON H3YN-2-B DC24  
UNIVER K2000400030  
Z-Laser Z30M18B-F-640-pe  
LIKA编码器EM58S07/256GY-10-RW0.2 GY D.10-R-0.2M+DSU25   
K+N CH10-WAA235-600-FT2
HBE SOFTEX28/38B-38H7ALU  
SCHNEIDER ZB6YD222  
BECKHOFF IP2320-B318  
Gefran-2019 F049444 TC5-V-1-J-2-Q-I-B-3 030X000X00015XX 
UNIVER K2010400030  
EMG  Typ:LWH 300 Art.Nr:024312
LEUZE 50039945 DDLS 200/200.1-50-H 
SELET传感器OCV81/DFPSCC5   
CASAPPA 03711326             FRONT SECTION HDP30.43D4-34S8-LMD/MC-65M0-N-A-CF8                                                 
MD MICRODETECTORS MDI63D 1405   
OMRON NYP17-313C1-12WC1002  
DOLD安全继电器56541  BA9054/012 AC50-500mV UHAC/DC24-80V   
Gefran-2019 F029241 TR6M-B-2-B-C-C-I-D-2 000X000X02000XX 
OMRON E2A-S12KS04-M1-B1  
LIKA编码器EM58S12/4096BP-10-V0.2 PARAL D10-0.2M+MIL32   
FREUDENBERG 5,3-2,472NBR872
NORELEM 08910-B1200X20  
IPF AU000017   
Gefran-2019 F072296 GIGFOS045000HC10 0000X10 
BANNER TL50BLZGYRAOS4
OMRON 3Z4S-LE SV-0814H  
Gefran-2019 F059688 TR6-B-2-B-C-C-I-B-1 000X000X00055XX 
FEAS Netzteil PSU500L90    
cherry 键盘 G84-4400LUBUS-0 
BANNER TL50BLG1B1Q
gwk Das Ger?t kann mit folgender Option ausgestattet werden 温控器附件 
perma-tec GmbH & Co. KG 222.0002.608+2290.019.601 自动控制器 
SQUARE-D 9007CR67T5 
HPI  P1DBN2012HA2012HL10C02N 
英国ONDRIVES变速箱和减速器UPHG0.8-150RH-K   
ATOS SDKF-1711 10S DC24V
CASAPPA 0200695F             KIT 86S7 (PLP20/20 AC)                                                                           
RIEGLER RP 11-3  
MD MICRODETECTORS MDI58G 2376   
BIAX  collet  6mm 
LEUZE 66568200 MLD530-RT3M 
WARNER mcs-207  
ASM CLMD1-AJ3SS8P021250，DC24V
BTM 769000H
SCHNEIDER NSYSF16880P  
FINDER继电器405182305001PAC   
Buschjost 8570206.8441.02400
SCHNEIDER KTC2500EL71  
LINMOT直线电机PF01-48x226   
OMRON CP115-MO1-5-111/HF-SP1024  
SIEMENS 5ST3748 自动控制器 
RIW - Maschinenbau GmbH 100 NO 16940 机床用缓冲器 
HPI  M1DBN2015CL30D01N 
SCHNEIDER XSAV32373  
BANNER SLPK14-970P88-1RE15
heidenhain 369124-09
SCHNEIDER MGU50.525.18Z  
SCHNEIDER XY2CH13553  
SCHNEIDER BDL16100  
HONSBERG VD-032GR060
Maximator GmbH 3660.0181
MD MICRODETECTORS MDI58F 658   
SCHNEIDER MGU6.008.576  
RIEGLER 3640.102/10  
BURKERT 电磁阀323797   
synoTECH  WDL-LD-DLB-L
Ahlborn Mess- und Regelungstechnik GmbH ZA1904SD
MURR ELEKTRONIK 7000-13201-33510000 电缆 
SCHMERSAL 103006565 PS116-Z11-LR200-R200 
Conrad 993838-62
SCHNEIDER XB5AW36B5C0  
小强工控 CARLO GAVAZZI PS21L-BT02LB-M00 
SCHALTBAU S800 B 20/40
SELET传感器B14G3010NSC   
EA ZE311068  
MD MICRODETECTORS MDI63D 2622   
RELECO C7-W10DX/DC24V  R            .   
EA BO110026-BO111400  
EA ZA310330-NE152100  
BANNER WLS28-2CW285L25SQ
CASAPPA MOTOR FM40.151R0-06S8-LGG/GG-N
Gefran-2019 F038752 PY-3-C-010 0000X000E00 
FINDER继电器434170062001   
SCHMERSAL 101207377 SLG 420-E/R0500-02-69-RF 
OMRON 17213-26320  
SIEBERT LTS4940AHR D7513R  
小强工控 CARLO GAVAZZI PS31L-MT11LF-M00 
R+W 188AIZFF-5W  
Eaton Moeller 194549 KST45-200 
 BARKSDALE SW2000 CP28-C40   
新闻德国monacor MDM-830,number:11.0430优势报价

为了能够加快填料润湿速度，同时降低体系黏度}l_.或者在聚氨酯树脂中添加更多的填料，有时需预先在树脂中添加润、湿分散剂。模内漆是具有涂料、色浆和脱模剂三种功能的助剂。它均匀喷涂在模具内，漆膜干燥后，即可模塑聚氨酯鞋底、自结皮泡沫塑料、聚氨酯软泡.硬泡制品脱模后，色漆附着在成型周化的制品上。填料的作用机理：填料作为添加剂，主要是通过它占据体积发挥作用，由于填料的存在，基体材料的分子链就不能再占据原来的全部空间，使得相连的链段在某种程度上被固定化，并可能引起基体聚合物的取向。

CASAPPA 79930150           KP30.51-04S3-67/20.16 D                                                                     
SCHNEIDER ADW25M12  
Leuze BCB 070
SCHNEIDER NSYPLAT7104  
BANNER Q10AP6D
UNIVER RS2100320180  
M&C 01G9035
DOLD安全继电器30718  ML9702.11 DC24V   
RELECO C9-A41FX/DC110V  R           .   
UNIVER CL-302A  
KUMERA KGC-3280-63-LES-E1
OMRON N5-1200-30-560  
SCHNEIDER M6200A0A0B0A0A0R  
FINDER继电器406190214001   
MD MICRODETECTORS MDI63A 2893   
英国ONDRIVES变速箱和减速器P20-60   
LEUZE 50123272 CML730i-R05-240.A/D3-M12 
FINDER继电器601391250074   
BURKERT 电磁阀355240   
Honsberg OMNI-HD2KS-SR 1113601 流量传感器 
Vogel 248661 齿轮箱 
UNIVER AM-5100  
英国ONDRIVES变速箱和减速器FFS40-XH-4AR-15   
OMRON A3PA-5701-24E  
MD MICRODETECTORS MDI40A 513   
MD MICRODETECTORS MDI63D 402   
maxon motor 531734 1867112 MAXON 531734 1867112
Dunkermotoren   GR63*25 SNR:8844104002
SCHNEIDER XACA1423207H44  
BAUER  1652594-1 G73-117DK94-241   2.2KW
OMRON FHV7H-M032-S06-R  
LEUZE 50110819 BCL 501i SF 102 W 
Di-soric DCC 04 V 1.0 PSK-K-TSL NR:200197
MD MICRODETECTORS MVC/C0-0E   
Gefran-2019 F005077 CM-K2M-F-R 2130X000X00 
MARZORATI TRASMISSIONI INDUSTRIALI  RA2010-N-1-XYW-03
小强工控 CARLO GAVAZZI PS21L-NO11RR-T00 
SCHNEIDER LC1F1504ED  
CASAPPA 79938438           KP30.61-04S5-LED/ED-67/PLP 20.20-EL D/V                                                     
FINDER 93.01.0.024  
ILME ILPKR 432 ZF  
SCHNEIDER MIP22118T  
BAUMULLER BK3-0275/0340-001 Art-No 00368384  
Micro-Epsilon DT3701-U6-A-C3
MD MICRODETECTORS MDI63D 2185   
BECKHOFF C9900-H596  
HPI  P1DBN2012CA2012CA2012CD1002CL1 
BANNER Q45UR3LIU64CKQ
BANNER SLPE25-1810N
Gefran-2019 F059576 650-D-RR0-01030-1-G 
BECKHOFF ZK2000-5300-0010  
ATOS ADR-10
SCHROFF 13190055
SCHNEIDER XALD3SB3  
MD MICRODETECTORS MDI58C 1963   
OMRON G9SP-N10D  
Gefran-2019 F042920 TR5-N-3-B-5-Q-I-B-1 020X000X00015XX 
SCHNEIDER A9N21601  
DOLD安全继电器64338  MK9151.12/800 2-15K-OHM DC24V   
SCHNEIDER ATV650D55N4E  
RIEGLER 15.DMI.32005  
SCHNEIDER NSYPLAZT1573  
NORELEM 03093-002410
AQUAMETRO VZTH 8 H-RE P/N:89722  
SCHNEIDER MGU61.002.854  
SCHNEIDER XD2GA84217  
BURKERT 电磁阀142498   
SCHNEIDER NSYPMB157  
Gefran-2019 F062248 ME0-6-M-B01M-4-5-0 2130X000X00 
DOLD安全继电器8448  AI 902N.8181/04 AC230V 5-100S   
SCHNEIDER ZB4BG4E2  
EUCHNER 117323; CES-I-AP-M-C04-USI  
SCHNEIDER ZR2FA005  
OMRON A22NS-3RB-NYA-G012-NN  
VIVOIL齿轮泵X0I0622MBBA   
Gefran-2019 F020231 TR6-B-2-C-F-C-I-D-2 000X000X00200XA 
IGUS 38380.20.12C  
MD MICRODETECTORS MDI63G 438   
IGUS GFM4550-50  
heidenhain ROD 486 3600 27S12-03 R 0,00 .. 73A01C 64 0;ID NR.376886-0F 编码器 
IGUS Z14.2.048.0节距30.5mm 10节  
SMW slu-2-Zs(id:025402) 工件夹具 
Eaton Moeller 150484 XSPTC0602 
SCHNEIDER ACW21M129012  
小强工控 CARLO GAVAZZI ICB18L50F08NA 
OMRON M22N-BP-TYA-YE  
STROMAG  AC64-50   940-61030 线路板 
SELET传感器D03124AOC5   
RIEGLER FU 635-M-1  
conflow  CODE-44-E-V2
SCHNEIDER A9D63620  
UNIVER K2000800500GM  
SCHNEIDER NSYPLAT7103  
Sommer GVM3
Aeco  I12000502  SI12-DC4 NPN NO
SCHNEIDER ILE2D662PB1A0  
CONVERTEAM GmbH 29.008419 可变电阻器 
SCHNEIDER A9W21363  
PARKER 2F-C2L-10-EPR-SS  
DOLD安全继电器65807  LG3096.52/300 AC230-240V   
WS&M GmbH 4T70163
OMRON A22NL-BPA-TGA-G100-GC  
Eaton Moeller 185654 C22-D-S-K01-P32 
OMRON 7411-1102-2005  
Gefran-2019 F060295 TC1-B-1-J-5-A-I-A-2 050X000X00200XX 
IPF VK300075   
ILME ILPK 3265 PB5  
SCHNEIDER XACX1  
baur  SM224L(1)-11
ILME ILKI 3265 IB6  
hydac 1300 R 020 BN4HC
Eaton Moeller 124041 #NAME? 
SPECK UL181/400r  
BECKHOFF ZK1090-3131-3002  
VIVOIL齿轮泵X1T1842DBBA   
LEROY-SOMER SO6 PMB 500-S
LEUZE S981007 CS10-X-923 
CASAPPA 03591468             PLP30.27D0-A8U3-LGF/GF-N                                                                     
KSR KUEBLER BNA-25/40/C-MG-M 1400 V60X2-MRA-2/MA/R22
小强工控 CARLO GAVAZZI DU10 
SCHNEIDER LC1D183GD  
SCHMERSAL 101207758 MS-1051 
EISELE 886-0608
SCHNEIDER A9D77410  
Eaton Moeller 197810 E57P-30SPN10-Q 
OMRON MS4800S-EB-030-0760  
SCHNEIDER XUB5BNBWM12  
Gefran-2019 F304685 1650-R-RR0-0-0-03-5-M0-00-0-00 
EUCHNER CES-AP-C01-AH-SB-111145  
SCHNEIDER MGU50.206.18NZ  
CASAPPA 799193L5           KP30.34-33-CSL/30.22-CSC/PLP20.8 S/FS                                                       
Gefran-2019 F065608 PM-A-12-F-1000-X 0000X000XX15XXX 
BANNER TL50BLR1GAQ
STROMAG EGV 500-5 500VAC max 1.8A  
OMRON D4SL-N4NDA-D4  
CASAPPA 02012474             PLP20.6,3D0-12B2-LBE/BC-N-EL                                                                 
SCHNEIDER ILE2T661PB1A2  
FINDER继电器583280120060SPA   
Turck NI4-S12-AP6X-H1141 Nr:46522
heidenhain 291697-08
Eaton Moeller 265336 PKZM0-1,6/AK 
SCHNEIDER 9007MS02S0200  
TR CDH75M-00010
BANNER P4GRK0616ARE
斯德博STOBER  MDS5075A/L 驱动器 
斯德博STOBER MDS5075A/L 驱动器 
BüRKERT "TYPE:24902 coil 230 V 50 Hz, 15W ,Normally Close
"
LIKA编码器IT65-H-50ZCP4ER 50PPR-RAD   
BANNER Q20NFF100 W/30
BANNER CL50BXXAPQP
suco 0194-45803-1-042
英国ONDRIVES变速箱和减速器UPSG1.0-64PH-K   
EPCOS B84112-B-A20
Conbec   PL300-5K0/M AAF IP65  编码器 
KEB 00F5060-1100
Contrinex DW-HD-611-M30-310 接近开关 
Eaton Moeller 207481 T0-1-SOND*/I1/SVB 
ELAU  PACDRIVE C400 A8
BANNER AG4K-6E-10M10P10
Finder 93.51.7.024
BANNER TL50CGYRBSOWQ
Gefran-2019 F018722 TR1-C-2-B-5-A-I-D-2 030X000X00050XX 
HBM 1-GR201  
InterApp D10500.22.2AE.4A.2AR.E
DOLD安全继电器61593  RK7816.81/61 AC230V+AC/DC24V   
SCHUNK PGN-80-1 370101
RIEGLER 259.14 S-100  
SCHMERSAL BN 20-2RZ with Magnet BP 22n
PARKER 12Z-C12L-75-EPR-B  
小强工控 CARLO GAVAZZI PS42L-AS11P0-T00 
RELECO C7-A20X/AC240V 60HZ  R       .   
SCHMALZ SAF?100?NBR-60?G1/4-AG  
RIEGLER 32  
ZELISKO CT12 Parameters:S1-S2 2500/5 5P10 15VA 变压器 
Norelem 03153-25020 --- 
vigortronix VTX-214-005-105
MD MICRODETECTORS MDI58B 1290   
UNIVER BDE-324024D  
BECKHOFF C9900-H746  
Eaton Moeller 204939 STN0,1(*/*) 
H+L WE02-6P100E24/OHN
BECKHOFF ZK1090-6163-0040  
KARL KLEIN - 14701-1.700   
CASAPPA 67054240             PLP20.16-03S1-LBE/BC/20.6,3-LBE/BC S/FS EL                                                   
Gefran-2019 F055518 LT-F-0225-P 0000X000XX0 
 MPFILTRI  MF0203A10HBP01/323390(8MF0203A10HBP01 )
Eaton Moeller KTN-R-60  ILME ILMAP 24.240  
ATI AT501S/10119LAHTI PRECISION KR-54/EX 外壳IA/RS  Eaton Moeller 50325 LT284-M6X20-C KTA2500LP7C1Eaton Moeller 255273 NWS-RW/6022/MSCHEMRSAL 101150267 BNS 33-02ZG-2187 10,0M
SCHNEIDER KTC2000ER75新闻德国monacor MDM-830,number:11.0430优势报价

什么是真空干燥设备?真空干燥设备专为干燥热敏性、易分解和易氧化物质而设计，能够向内部充入惰性气体，特别是一些成分复杂的物品也能进行快速干燥。在低压下干燥时氧含量低，能防止被干燥物料氧化变质，可干燥易燃易爆的危险品；可在低温下使物料中的水分汽化，易于干燥热敏性物料；能回收被干燥物料中的贵重和有用的成分；能防止被干燥物料中有毒有害物质的排放，可成为环保类型的绿色干燥。我国干燥设备发展历程我国国产台连续式真空冷冻干燥设备于2年由沈阳制冷技术研究所研制成功。