This standard specifies the classification, technical requirements, test methods, inspection rules and marking packaging of marine diesel engine charge air coolers. This standard is applicable to various types of marine diesel engine air coolers; it can also be applied to diesel engine air coolers for other purposes. GB/T 2497-1993 Marine Diesel Engine Charge Air Cooler GB/T2497-1993 Standard download decompression password: www.bzxz.net

UPC 621.436. 1 : 621.5. 048
National Standard of the People's Republic of China
GB/T 2497—93
Charge air coolers for marine diesel engines
Charge air coolers for marine diesel engines1993-04-17Published
Implemented on 1993-12-01
Published by the State Technical Supervision Bureau
National Standard of the People's Republic of China
Charge air coolers for marine diesel engines
Charge air coolers for marine diesel engines1Subject content and applicable model drawings
GB/T 7497-93
Barban G53431
enx45g:-81
This standard specifies the classification, technical requirements, test methods, inspection marks and installation of diesel engine supercharged air coolers (hereinafter referred to as air coolers).
This standard is applicable to various types of diesel air coolers; it can also be applied to other optional air coolers. 2 Reference standards
70% general oil air cooler test line 3 Product classification
The cooling element is composed of water tubes and fins. 3.1 The cooling element structure of heavy air coolers is a pipe with a tube, and the super-plate tube is a double-tube plate. The cooling element structure is shown in Figure 1. The fin must have a heat transfer performance. The fin is short and the thickness is 1.2mm. The water pipe wall is as specified in 3. 3.1.2 The cooling element structure of the light air cooler is a section type water pipe, and the hook plate is generally a multi-tube plate type. The schematic diagram of the cooling element is shown in Figure 2, and the overall thickness is 0.15m. The plate must have a strong heat transfer performance. The thickness of the water pipe must be as specified in Table 2.2. Approved by the Beijing Thermal Power Technology Supervision Bureau on April 17, 1993 or implemented on December 1, 1993. 3.2 Basic parameters GRT 2497-93 is shown in the Φ diagram? Schematic diagram of cooling element structure of light air cooler 3.2.1 Most heavy air coolers are basically in accordance with the provisions of Table 1, 2 The cost of the whole machine is in accordance with the provisions of 2 3.3 Product series type
3.3.7 The series of disc type air coolers is in accordance with the specifications of Figure 3 and Table 1. 3.3.2 The series of light air coolers is in accordance with the provisions of Figure 4 and Table 2 1.!
3.3.3 In order to meet the requirements of various diesel covers, the corresponding width and height are allowed to be bent while keeping the corresponding windward area of ​​the air cooler unchanged.
Table 1 Basic dimensions of the air cooler
Performance data
Cooling efficiency, 5
Automobile medical power loss A user,
m ++ Pa
Water flow rate Wm/s
Gas volume flow rate, hg(e)
(i)KL25)
Figure KL266
Air cooler air mass flow range
@)KL214a
?KL2185
@KL2234
@KLZ75
KL2591
Effective depth of air cooler t.nmbzxz.net
Note: 1) The water content of the skin should be 2.
1 960. 02 881: 2.
4 125.8, 5 537. 0
"Cooling water"
Analysis flow
524.5(16 fins)
Airborne airflow surface
Equipped dimensions
(width x distance)
269×198
335x498
1c3x63
102×745
502X78
5.02×.934
e36x934
536×1183
XD4×11E3
304×1 495
10051495
1231863
Performance model
Working data
Cooling rate
Pressure loss·g
Water velocity data wL.m/:
Mass flow rate of main gas k/m+
(S) KLQE
a KtQE
Air purifier biomass quality monitoring @K1.Q1F
@KIQ23
03KTQ45
@KLO71
Air cooler effective size 4.mm
Note, 1 corresponds to the water flow number 2,
3.4 ​​Product ladder
3.4.1 Model composition
3.4.2 Marking system
CB/T2497—93
Basic parameters of light air cooler
9212.0 Body coolant
4 312- 05 566.±17 266.#
244(1 drainage general)
Deformation mark. Use AB. Indicated
A number indicates the air heat transfer area, tr type, the change is heavy luxury light
Air cooling temporary
The air side heat loss surface is reported as 119m2 of the reshaped air cooler, marked as: air cooling KL22130B/T2497
After the wind surface width and height dimensions are changed, the air side heat exchange area is 28m2 of the light air cooler, marked as, air cooling KI O2RAGB/T2497
Airflow surface
Layout size small
: complete × high
10G×185
120×165
150×222
20G×37h
240×370
240X441
3BC×555
4kexz63
480x888
Gl/T 2497-93
/T2497-93
4 Technical requirements
CH/T2497-93
4.1 Air coolers shall be selected according to the approved samples and technical documents through the prescribed procedures and must comply with the provisions of this standard. The performance parameters shall comply with the provisions of Table 1 and Table 2.
4.2 The material specifications and cost reduction requirements of the main components of the air cooler shall be studied. Table 3 Main materials and specifications of the equipment Part name Test board Aluminum brass Edge brass Alloy steel Fabrication cost Specifications Brass strip Joint Fe1--1 Har R2-1 HT 250, HT 200
Mu7n16Si4
ZL101ZL104
Pa structural steel A paper
period phase smoke B
water general variable floating
most sub 3.75
8800-88
GB38:10-88
CB 895 --88
GE 88S0-EB
4,J3 2531-80
GB 700—B2
CB 54398B
+H116ER
CE1?3—86
(71288
G71289
GB 2060—80
GB 2U61—
GB 205960
4. The inner and outer surfaces of the water pipe should be smooth and straight, without any curvature, and the bottom of the concave part should be flat, without any wrinkles or surface reduction. 4.4 The connection between the fin and the water pipe must be firm and tight, and its fitting circumference shall not be less than 35% of the entire circumference of the hole. 4.5 The plate material is Q235 steel, which must be zinc forged. 4.6 The inner cavity of the cast iron water cover should have an anti-corrosion block. 4.7 During assembly, it should be ensured that the core sheet and the plate are in close contact, and the gap between them is not greater than 1.5mm. 4.8 The total number of readings can be changed within the above 1% range. The sheet spacing and parallelism of the plastic sheet should be less than 1% of the specified sheet spacing. The curvature of the fin in the air side direction should be less than 30% of the specified sheet. 4.9 The air cooler's heat exchanger, water cover, cooling core and main body shall be tested for performance according to the design requirements. The ratio of the water pipe to the plate shall be 4.10 The number of blockages in the air cooler water pipe shall not exceed 0.5% of the total. 4.11 The inside of the air cooler shall be cleaned and no residual objects shall be left. 4.12 The refrigerant cover and cooling core shall be treated with anti-rust treatment to remove acid residues. The main body or the outside shall be painted with gray phenolic enamel. 6
5 Test method
GH/T 2497-93
Air cooler test method shall be carried out in accordance with the provisions of GB7028. 6 Inspection rules
Air cooler inspection is divided into factory inspection and type inspection. 6.1 Factory inspection
Each air cooler shall be inspected for delivery; unqualified ones shall not be accepted by the factory. 6.2 Type inspection
Type inspection should be carried out in the following circumstances: new products or old products are put into production!
After formal production, if there are major changes in structure, materials, and processes, which may affect the performance of the product, it is necessary to conduct an inspection once every five years!
When the product is resumed after a long period of suspension: When the test results are significantly different from the last test: When the national quality supervision agency proposes a type inspection. 6.3 Type inspection, the inspection items of type inspection are specified in Table 1, and the inspection items of qualified inspection are listed in Table 4.
The distance between the test plate
The total number of pieces in one tube (or one tube group
The installation size of the air purifier on the device
The fit of the piece and the condition
The reliability of the connection between the sound board and the method
Performance index
6.4 Sampling inspection rules
Factory inspection
6.4.1 The sample for type inspection is - pieces. If all the inspection items are qualified, it is considered as pass. Inspection classification
Plastic type is selected by you
6.4.2 For every 30CD piece of test piece of heavy duty refrigerator, - piece of test piece shall be selected ：One group of every 500 light air coolers shall be sampled for quality inspection. If unqualified is found, double the number shall be used for re-test. If unqualified is found again, it shall be inspected in reverse order (or one group at a time). Marking, including the following contents: 7.1 Manufacturer name: Product name Trademark: Product model mark: Date and number of manufacture: Source. GB/T 2497—93
了.2 Before packaging, the air waist and water cavity should be sealed with boards to prevent foreign objects from entering. 了.3 The product is packed in this box. The box must be solid for the purpose of use: suitable length beads are also transported 7.4 When packing, the product must be firmly fixed to the bottom of the box E: + prevent displacement and damage during transportation 7.5 The product packaging box must contain the following items: Product certificate:
h. Product instruction manual
Box list accessories, spare parts.
76 At the end Under normal circumstances, the manufacturer guarantees that the product will not rust within six months from the date of shipment, and the quality assurance period is thirteen days from the date of shipment.
7. Products should be stored in stock and not stored in the open. Additional instructions,
This standard is issued by China Shipbuilding Industry Corporation. This standard is under the jurisdiction of the Seventh Research Institute of the Seventh Research Institute of China Shipbuilding Industry Corporation, and this standard is drafted by the Seventh Research Institute of the Seventh Research Institute of China Shipbuilding Industry Corporation. The main drafters of this standard are Chen Xuecao and Chen Chenglu.
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