Wax Removal Truck

A wax removal truck is a specialized vehicle equipped with a high-pressure pump and boiler system, suitable for the rapid removal of wax deposits and pipeline cleaning in oil fields, pipelines, and industrial sites.

 

The truck is mainly used for normally hot washing and broken down to the production well; high pressure well washing, pressure testing; coordination with workover operation to paraffin removal from pipe and rod. It can also be widely used in heating other media, dredging, thawing ground pipelines and cleaning equipment and other operations.

 

 

High-Pressure Cleaning
The wax removal truck is equipped with a three-cylinder high-pressure plunger pump, with a maximum cold washing pressure of 60MPa and a hot washing pressure of 20MPa, effectively removing wax and blockages from pipes and equipment.

 

High-Efficiency Flow Rate
The maximum cold washing flow rate is 80m³/h, and the hot washing flow rate is 20m³/h, allowing for rapid completion of large-scale pipeline cleaning operations.

 

Precise Control
Utilizing precision valves and a pressure regulation system, the pressure and flow rate can be adjusted according to operational needs.

 

Customizable
Pump flow rate, boiler capacity, and chassis can be customized according to drawings or samples.

 

This truck has many functions such as high pressure well flushing, heating well flushing, steam paraffin removal and so on. It has the features of medium flowing steady, high calorific value, high heat efficiency and high equipment utilization efficiency, long service life for triplex cylinder pump and boiler, simply operation, reliable running, convenient maintenance. It is ideal equipment for the operation of well washing and paraffin removal in oil field.

 

 

ZYT5255TXL20:

5- The truck class code (special truck)

25- Main parameter code (total mass for 19t)

5- Product serial Number (the fifth generation)

T- Structure feature code (Special structure truck)

XL- Purpose characteristic code (Well flushing and paraffin removal)

20- Rated pressure of boiler (20Mpa)

ZYT-Enterprise name code

 

4,Name plate

It is on the left of deck back-end, VIN code is printed on the nameplate.

 

1.5,Standard

This product follows the SY/T 5961 "paraffin removal equipment".

 

1.6,Warning signs

This manual contains the following symbols, indicates the dangerous conditions for the operator:

Danger! – High risk, unsafe operations will result in serious injury or death of personnel.

Warning! - Moderate risk, unsafe operations could lead to personal injury and death.

Caution! - Slight risk, unsafe practices could lead to personal injury or equipment damage.

Note! - It may exist or need to understand the situation in the operation.

 

 

2.1,Structure features

The truck is truck-mounted mobile. the second class chassis of ZZ1257N4647A automobile as mounting base, which is equipped with deck, triplex cylinder pump, truck-mounted special boiler, burner, generator set, steam paraffin device, pump suction and discharge pipeline, inlet and outlet water pipe line for boiler, well into pipeline, main and secondary transmission system, water tank, air course purging system, and operation control system and so on for the truck.

2.1.1,Deck

The deck is a rigid structure composed of channel steel, steel plate and other profiles, it is fixed on the truck frame with bolt to support complete weight of all assembly and as the work bench. There are equipped with ladder, pipe rack, chiksan box, mudguard and so on.

2.1.2,Full power PTO

Full power PTO is installed behind the auto gearbox. The tri-cylinder pump is

driven by the universal joint and the drive shaft, and is controlled by the manual reversing valve installed in the cab. The lubrication method is splash lubrication.

Caution!

The PTO shall be filled with lubricating oil. See Table 3-5 for oil brand and filling quantity.

2.1.3,Tri-cylinder plunger pump

XJⅢ triplex cylinder pump is a horizontal single-acting reciprocating pump, which is mainly composed of three parts: power end, fluid end and lubrication system. It is mainly used for the circulation system of workovers, well flushing, cementing, drilling and other operation, the operating medium is clean water.

2.1.3.1,Power end

The power end is composed of the gear box, frame, crankshaft, connecting rod, cross head, cross-head pin, connecting rod bearing and copper bush, rolling bearing and so on. It has the advantage of simple structure, good strength and stiffness, light weight, long life and so on.

2.1.3.2,Fluid end

The fluid end is composed of pump head, suction and discharge valve assembly, suction and discharge spring, suction pipe, plunger, packing and safety valve, etc.

2.1.3.3,Lubrication system

The lubrication system is divided into power end lubrication and fluid end lubrication. Which are two independent lubrication systems and pressure forced lubrication, it is mainly composed of gear oil pump, relief valve, oil filter, oil resistant rubber hose, oil tank and so on.

2.1.3.3.1,The lubrication system of power end

It is mainly used for lubricating the crankshaft, connecting rod bearing and copper bush, crossing head and all rolling bearing, to ensure normal working of the above parts and extension of service life. Its lubrication oil circuit is shown in Fig. 2-1:

Fig.2-2 Fluid end lubrication System Principle diagram

Caution!

The fluid end lubrication has its own lubrication system that adopts the pneumatic lubrication, and change the oil injection amount by adjusting the throttle/stop valve. The recommended oil consumption of the system is 0.3-0.4L /h, so as to meet the normal operation of the plunger and the packing. The oil cannot be recycled, refer to Table 3-5 for the oil brand and filling quantity of the lubricating oil to be filled.

2.1.4,Pump suction piping

It is mainly consisted of butterfly valve, fast union joints and 4″buckle cloth water pipeline .Total length of the pipeline is about 5 meters.

2.1.5,Pump discharge piping

It is composed of hot washing well pipeline and cold washing well pipeline. Hot washing well pipeline is between pump outlet and boiler inlet that mainly consists of plug valve, spring safety valve (20MPa), joints and pipeline and so on. Cold washing well pipeline is the pipeline that pump outlet high pressure medium get into cold washing piping. It is mainly composed of plug valve, spring safety valve (35MPa), union, angle joint, and pipeline, etc.

2.1.6,Water outlet piping of boiler

It consists of steam drum, pressure gauge, thermometer, high-pressured gate valve, check valve and joint, etc.

2.1.7,Well into pipeline

Well into pipeline consists of hot washing pipeline and cold washing pipeline. Which are all composed of pipeline, union joints, chiksan and well into joint, etc.

When the truck is driving, the chiksan is installed in the chiksan box; the pipeline is installed on the pipe rack.

2.1.8,Fuel system

It is mainly composed of fuel tank, fuel pump of burner, filter, nozzle stop valve, nozzle, pressure gauge, oil level gauge and pipeline, etc. The working pressure of system is 0.7~2.0MP, and the recommended working pressure is 1.4mpa. The maximum capacity of fuel tank is 650L.

2.1.9,The purge system of air circuit

It is mainly consisted of ball valve, check valve, stop valve and air pipeline etc.

When the work finished, Opening valve on the purge system of air course, purging coiled pipe of boiler by compressed air of truck air bottle, to eliminate residual water of coil pipe. Preventing coil pipe scaling, corrosion or cracks in winter.

When the operation is completed, the valve on the purge system of air circuit should be opened, and the compressed air in the gas cylinder of chassis should be used to purge the boiler coil to remove the residual water in the coil and prevent the coil from scaling, corrosion or freezing crack in winter.

2.2,Working principle

The PTO(or chassis transfer case) gets power from the truck gearbox to drive the triplex cylinder pump through the transmission shaft and the coupling to transport working medium, after it is discharged from the tri-cylinder pump and shunt into two media output systems that cannot work at the same time: one output system is directly used in high-pressure well flushing operation; Another output system is heated by the truck-mounted special boiler for heating well washing and steam paraffin removal operations.

The control system is installed in the cab to control the driving or operation of the truck.

Please refer to attached DrawingⅠfor the truck structure sketch.

See attached DrawingⅡfor schematic diagram of main transmission system.

See attached DrawingⅢfor schematic diagram of control system.

 

3.1,Technical parameters

Technical parameters refer to table 3-1.

Table 3-1 Technical parameters to truck

Item			Basic parameters
Truck	Dimensions(Length ×Width× Height),mm		9540×2495×3350
	Fuel type		Diesel
	Displacement/Power,ml/kW		9726/247
	Steering form		Steering wheel
	Number of axles		3
	Wheel base,mm		4450+1450
	Steel plate spring number (front/behind),pc		13/13
	Tire size		12.00R20
	Tire number,ea		10
	F/R track base,mm		1995/1800/1800
	Curb weight,kg		18750
	Rated load,kg		/
	Seat number of cab front /kg		2/130
	Maximum total mass,kg		18880
	Approach/Departure angle, º		32/14
	Front /rear overhang,mm		1410/2230
	Max. speed,km/h		110
	Special performance parameter	Hot washing well special parameter	Refer to table 3-3
		Cold washing well special parameter	Refer to table 3-4
	Chassis	Model	ZZ1257N4647A
		Manufacturer	BEIBEN TRUCKS GROUP CO.,LTD
	Engine	Model	WP10.336E40
		Manufacturer	WEICAI POWER LTD.CO
	Gearbox	Model	HW19710
		Manufacturer	HOWO

3.2,The technical parameters of auxiliary equipment

The technical parameters of auxiliary equipment refer to Table 3-2.

Table 3-2 The technical parameters of auxiliary equipment

Item		Basic parameters
Burner	Model	TBL 130P
	Working voltage,VDC	380
	Control mode	Fully automatic two stage fire control
	Fuel type	Diesel oil
	Fuel consumption,kg/h	33.7～109.6
	Fuel pressure,MPa	0.7～2.0
	Output thermal power,kW	400～1300
Tri-cylinder pump	Model	XJⅢ
	Max. input power,kW	145
	Plunger number,个	3
	Dia. of plunger,mm	φ100
	Plunger stroke,mm	135
	Speed ratio	4.6
	Max. pump speed,min-1	280
	Max. pressure,MPa	35
	Max. displacement,m3/h	50
	Lubrication method	Pressure forced lubrication
	Suction pipe size,mm	φ108
	discharge pipe size,mm	φ50
Special boiler	Model	QXS1.0-20/200/15-YC
	Type	Horizontal, straight pipe, forced cycle indoor burning
Special boiler	Model	QXS1.0-20/200/15-YC
	Type	Horizontal, straight pipe, forced cycle indoor burning
	Working medium	Clean water, crude oil
	Max. working pressure,MPa	20
	Max. working temperature ℃	200
	Max. working displacement,m3/h	25
	Max. thermal power,kW	1000
	Thermal efficiency,%	≥85
Fuel tank	Working pressure of fuel system,MPa	0.7～2.0
	Max. volume of fuel tank,L	650
Water tank	Max. volume,L	4000
Steam paraffin removal device	Water pump model	WS82
	Type of water pump	Horizontal ceramic tri-cylinder pump
	Motor model	YBBP-112M-4
	Max. working pressure,MPa	8
	Max. working displacement,m3/h	1.26
	Max. working temperature ℃	200

3.2,Specific performance parameters for hot washing

See Table 3-3 for details.

Table 3-3 Special performance parameters for hot washing

Model of transmission box	HW19710
Shift	Ⅱ	Ⅲ	Ⅳ	Ⅴ	Ⅵ	Ⅶ	Ⅷ	Ⅸ	Ⅹ
speed ratio	10.623	7.871	5.876	4.375	3.265	2.428	1.799	1.343	1.00
engine rotation speed rpm	1000
pump speed min-1	20	27	37	49	66	89	120	161	217
displacement m3/h	3.7	5.0	6.7	9.0	12.0	16.2	21.9	29.3	39
pressure MPa	20	20	20	20	20	20	17	13	9
℃ Temperature	200	160	123	95	75	59	/	/	/

 

Note!

⑴,The "pressure/displacement" parameters in the above table are calculated theoretically at 90% mechanical efficiency, 78% pump efficiency and 98% displacement coefficient.

⑵,The" temperature" parameters in the above table are the theoretical values calculated at the 15℃ water temperature of boiler inlet and 85% boiler efficiency , with a tolerance of ±10℃.

⑶,During hot washing operation, if above boiler outlet temperature is too high or low, adjust engine speed or shift transmission gears to get requirement operation temperature.

⑷,The working medium temperature of tri-cylinder pump should be less than 60℃.

3.3,Specific performance parameters for cold washing

See Table 3-4 for details.

Table 3-4 Special performance parameters for cold washing

Model of transmission box	HW19710
Shift	Ⅱ	Ⅲ	Ⅳ	Ⅴ	Ⅵ	Ⅶ	Ⅷ	Ⅸ	Ⅹ
speed ratio	10.623	7.871	5.876	4.375	3.265	2.428	1.799	1.343	1.00
engine rotation speed rpm	1300
pump speed min-1	26	35	48	64	86	116	157	210	282
displacement m3/h	4.8	6.5	8.7	11.7	15.6	21.1	28.4	38.4	50
pressure MPa	35	35	35	35	26	19	14	10	8
Engine rotation speed rpm	1500
pump speed min-1	30	41	55	74	99	134	181	242	326
displacement m3/h	5.5	7.5	10.06	13.5	18.1	24.3	32.8	44.02	/
pressure MPa	35	35	35	32	24	18	13	9	/

Note!

⑴,The above parameters are the theoretical values calculated at 90% mechanical efficiency, 90% pump efficiency and 98% displacement coefficient.

⑵,In order to achieve the best volumetric efficiency of tri-cylinder pump, the suction inlet of pump should have 0.3MPa suction pressure. It is strongly recommended that users provide operating media by water trucks.

⑶,When the pump speed is greater than 200min-1, if the suction pressure of 0.3MPa is not provided at the suction inlet of the pump, the phenomenon of pump shaking and excessive vibration may occur.

(4) The working medium temperature of tri-cylinder pump should be less than 60℃.

Caution!

⑴,If using high pressure hose, the system pressure can't exceed 20MPa.

⑵,If the working pressure up to 35MPa, recommend that engine speed for 1500rpm, transmission for gearⅠ.

3.4,Lubrication and operating oil

Lubrication and operating oil refer to table 3-5.

Table 3-5 Lubrication and operating oil

S/N	The parts using oil		Oil name, model	Qty.
1	Fuel system		Diesel oil	650L
2	The cross head part and spline part of universal shaft		2# lithium based grease	Suitable amount
3	Well flushing pump	The lubrication oil tank of power end	Winter N220 medium load gear oil (phosphorus-sulfur type)	110L
			Summer N320 medium load gear oil (phosphorus-sulfur type)
		The gear case of power end	Winter N220 medium load gear oil (phosphorus-sulfur type)	8L
			Summer N320 medium load gear oil (phosphorus-sulfur type)
		The lubrication oil tank of the fluid end	Winter N220 medium load gear oil (phosphorus-sulfur type)	15L
			Summer N320 medium load gear oil (phosphorus-sulfur type)
4	The lubrication of full power PTO and gearbox		Winter N220 medium load gear oil (phosphorus-sulfur type)	Limited as the oil pointer
			Summer N320 medium load gear oil (phosphorus-sulfur type)

 

 

LTJ5290TXL70 wax removal truck

•1. Loading truck chassis

•Chassis model: SX1316NR466

•Drive configuration: 8x4

•Engine model: WP10.336E40

2. Overall dimensions: 12000 x 2500 x 3620

3. Curb weight: 28,430

4. Gross weight: 28,560

5. Main technical parameters

On-board engine power: 360 kW (489 HP)

Cold wash operating conditions: Maximum working pressure: 60 MPa

Maximum flow rate: 80 m³/h

Hot washing conditions: Maximum operating pressure: 20 MPa

Maximum flow rate: 20 m³/h

Maximum outlet temperature: 160°C

Heating furnace: 18 m³/h hot water horizontal direct-fired boiler

 

 

 

Advanced Equipment

Equipped with over 200 high-precision CNC machines and six intelligent automated processing lines, ensuring part accuracy and production efficiency.

 

Strict Quality Control

Multiple inspections of components and a continuous 24-hour test run before shipment ensure the equipment meets all quality standards.

 

Efficient Heat Treatment

A combination of various heat treatment equipment (forklifts, mesh belt furnaces, pit furnaces, and high/medium frequency quenching) with an annual processing capacity of 16,000 tons.

 

Professional Service

We provide technical consulting, installation guidance, on-site training, long-term technical support, and spare parts supply, ensuring worry-free operation for our customers.

 

 

Q: What is the working principle?
A: It uses a high-pressure pump to pump and heat the liquid to melt the wax, and simultaneously uses a high-pressure nozzle to flush and clean the area.

 

Q: What types of liquids can the wax removal truck handle?
A: The wax removal truck can pump room temperature water, hot water, and non-corrosive viscous liquids such as crude oil and industrial cleaning fluids.

 

Q: How to clean the pipelines?
A: The pump system can be flushed with hot water circulation to ensure the pipelines are clear and free of residue.

 

Q: Is it complicated to operate?
A: No. It is easy to operate, and basic training is sufficient for independent operation.

 

Q: Is the wax removal truck high-maintenance?
A: No. Routine maintenance only involves checking the pump, boiler, and pipelines, resulting in a long maintenance cycle.

 

 

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