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Yancheng Hengtel Environmental Protection Technology Co., Ltd

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    3271614727@qq.com

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    13962029582

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    No. 2 Road, Private Industrial Park, Jianhu County

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24 cubic welded fire box pump integrated manufacturer

NegotiableUpdate on 01/25
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Overview
The integrated manufacturer of 24 cubic welded fire box pump integrates 24m #179; The welded stainless steel water tank (approximately 24 tons of water) is an integrated fire pressure boosting and stabilizing equipment with fire pump units, stabilizing systems, and intelligent control systems. It provides initial water supply and stable water pressure for building fire protection systems, meeting the needs of fire hydrants and automatic sprinkler systems.
Product Details

24 cubic welded fire box pump integration: full analysis of efficient fire water supply system

1、 Product Overview and Core Parameters

24 cubic welded fire box pump integrationIt is a fire pressure boosting and stabilizing equipment that integrates a 24m ³ (approximately 24 tons of water) welded stainless steel water tank with a fire pump unit, a stabilizing system, and an intelligent control system. It provides initial water supply and stable water pressure for building fire protection systems, meeting the needs of fire hydrants and automatic sprinkler systems.
Core parameters
  • Water tank capacity: 24m ³ (24 tons), meeting the initial fire water demand

  • standard size4m x 3m x 2m (length x width x height), covering an area of approximately 12 square meters, with flexible and adjustable height

  • material304/316L food grade stainless steel (thickness: bottom plate ≥ 2.5mm, side wall decreasing by 1.5-2.0mm)

  • design pressure:0.5-1.2MPa, Meet the requirements of different building heights

  • Applicable trafficFire hydrant system ≥ 20L/s, sprinkler system ≥ 10L/s

  • Head range30-120m (calculated based on building height+pipeline loss)

  • Operating Temperature5-40 ℃, suitable for conventional building environments



2、 Detailed explanation of water tank structure and welding process24 cubic welded fire box pump integrated manufacturer

1. Material and structural design of water tank

Material Selection
material feature Applicable scenarios lifespan
304 stainless steel Containing 18% chromium and 8% nickel, it is resistant to general corrosion and has a high cost performance ratio Ordinary buildings, residential buildings, commercial buildings 15-20 years
316L stainless steel Containing molybdenum element, strong resistance to chloride ion corrosion Coastal areas and chemical industrial parks 20-25 years
BDF composite board Stainless steel inner layer+galvanized steel plate outer layer, high strength Underground installation, cost sensitive project 10-15 years
structural characteristics
  • Fully welded integral molding, no bolt connection gaps, sealing performance

  • Internally equipped with galvanized/stainless steel reinforcement support (spacing ≤ 1m) to enhance compressive strength

  • Curved bottom plate design, no dead corners due to water accumulation, easy to clean and maintain

  • The top plate is fully welded (I-type weld), and the side walls and bottom plate are welded with V-shaped welds to ensure strength

2. Key welding processes and quality control

Key points of welding process
  • adoptargon arc weldingProcess (non ordinary welding) to avoid carbon steel pollution and ensure the corrosion resistance of stainless steel

  • Welding material: ER308/ER316L stainless steel welding wire, matched with the water tank material

  • Weld seam requirements: full and uniform, without porosity, slag inclusion, virtual welding, and smooth surface

  • The supporting structure mustfull welding(Spot welding is strictly prohibited) to ensure strength

  • Weld seam inspection: Full water test (observing water level drop of ≤ 2mm after 48 hours) and 0.2MPa pressure test (holding pressure for 30 minutes without leakage)

3、 Detailed explanation of system composition and functions

1. Pump system (core power unit)

Typical configuration
pump type quantity Recommended parameters Functional Description
Fire hydrant main pump 2 units (1 in use and 1 as backup) Q=18-40m³/h(5-11L/s),H=30-100m,N=5.5-30kW Provide water for the fire hydrant system during a fire
Spray main pump 2 units (1 in use and 1 as backup) Q=3.6-30m³/h(1-8L/s),H=30-100m,N=1.5-15kW Provide water for automatic sprinkler system in case of fire
pressure stabilizing pump 1-2 units Q=5-15L/s,H=40-60m,N=2.2-7.5kW Daily maintenance of pipeline pressure and reduction of main pump start-up
pressure tank 1-2 units Diaphragm type, volume 300-1000L, working pressure 0.6-1.0MPa Store initial water volume (about 300L), stabilize pressure, and reduce water hammer
Characteristics of water pump
  • adoptXBD type fire special pump(Compliant with GB 6245-2019 standard), ensuring stable performance

  • Dry motor design (non submersible pump), good heat dissipation, long service life, easy maintenance

  • Pump casing: cast iron/stainless steel, impeller: bronze/stainless steel, shaft seal: mechanical seal

2. Intelligent control system (central brain)

core component
  • PLC control cabinet (IP65/68 protection): built-in fire protection program, real-time monitoring and control

  • Touch screen human-machine interface: displays pressure, water level, pump status, supports local operation

  • Sensor group: pressure (accuracy ± 0.02MPa), water level (accuracy ± 10mm), temperature, current sensors

  • Remote monitoring module (optional): 4G/5G communication, supports mobile APP/PC monitoring and alarm

core functionality
  • Automatic voltage stabilizationMaintain the pressure of the pipeline network at the set value (such as 0.8MPa ± 0.02MPa)

  • water level controlLow water level alarm and pump shutdown (to prevent dry burning), high water level overflow protection

  • Intelligent rotation of pump unitsBalance the running time of each pump and extend the overall lifespan

  • Multi level pressure controlAutomatically adjust the number of running pumps according to water consumption, energy-saving and efficient

  • Fault self diagnosisIdentify and display the fault location, trigger the sound and light alarm, and upload it

  • fire alarm linkageCan be connected to the automatic fire alarm system, and immediately start the main pump upon receiving a fire alarm signal

4、 Working principle and process

1. Daily voltage stabilization mode (99% of the time)

  • The stabilizing pump continues to operate, maintaining the pipeline pressure at the set value (such as 0.8MPa)

  • The pressure tank stores about 300L of emergency water. When there is a slight leakage in the system, it is replenished by the pressure tank to reduce the frequency of starting the stabilizing pump

  • The water tank is automatically replenished with water through a float valve/solenoid valve to maintain the water level within the normal range (60% -90% volume)

2. Fire pressurization mode (key response)

Fire occurs → Fire hydrant/sprinkler outlet → Pipe network pressure drops →
  1. The pressure sensor detects that the pressure is below the start-up threshold (such as 0.7MPa)

  2. The PLC controller immediately starts one fire hydrant main pump/sprinkler main pump

  3. If the pressure continues to decrease (water consumption increases), the backup pump (multiple pumps in parallel) will be automatically started to provide the design flow rate and pressure

  4. The water tank continues to supply water and the water level is monitored in real time. When it drops to the low water level warning line (about 10% of the volume), the pump unit will stop running to prevent dry burning

  5. The system remains running until the fire signal is released or manually reset

3. Fault emergency mode

  • Pump unit malfunctionWhen the running pump experiences overload/short circuit/mechanical failure, the system automatically switches to the backup pump and alarms

  • overvoltage protectionWhen the pressure in the pipeline exceeds 1.15 times the design value, the safety valve automatically opens to release pressure

  • power failure protectionOptional EPS emergency power supply, maintain control system operation for ≥ 30 minutes after power failure to ensure emergency operation

5、 Model analysis and application scenarios

1. Model Example (WHDXBF-24-36/18-60-II)

  • WHDXBFCode for integrated pump station of intelligent box pump with fire pressure stabilization

  • 24Effective volume of water tank (24m ³)

  • 36/18The flow rate of the fire main pump is 36m ³/h, and the flow rate of the sprinkler main pump is 18m ³/h

  • 60Pump head (60m)

  • IIConfiguration level (two in use and one backup, or dual-purpose configuration)

2. Application scenarios

building type Advantage Description Typical configuration suggestions
Multi-storey residential(≤ 20 floors) Provide stable fire hydrants and sprinkler water to save pump room space 304 stainless steel, fire hydrant pump 20L/s, lift 50m
commercial complex Underground design does not occupy commercial space, equipped with automatic sprinkler system 304 stainless steel, spray pump 15L/s, head 40m
industrial plant Customizable explosion-proof type (choose 316L), suitable for harsh industrial environments 316L stainless steel, fire hydrant pump 40L/s, head 60m
high-rise building(≥ 20 layers) Solve the problem of setting up high-level water tanks and provide stable high area water supply 304 stainless steel, main pump head ≥ 80m, one in use and one as backup
Renovation of old residential areas No need to build a new pump room, short construction period (3-7 days), minimal impact BDF composite board, cost saving, meets basic fire protection needs
Hospital/School Design, does not affect normal operation, high reliability 304 stainless steel, dual power supply+EPS, ensuring uninterrupted water supply

6、 Advantages compared to traditional fire protection systems

Comparison item 24 cubic welded box pump integrated Traditional concrete water tank+pump room
construction period 3-7 days (factory prefabrication+on-site installation) 3-6 months (civil engineering+equipment installation)
floor area Approximately 12 square meters (including maintenance access) 50-100 square meters (including water tank and pump room)
investment cost Reduce 40-60% (reduce a significant amount of civil engineering costs) High (reinforced concrete water tank+independent pump room)
Water quality assurance Fully enclosed stainless steel, no secondary pollution, no algae growth Concrete water tanks are prone to leakage and microbial growth, and require regular cleaning
intelligence level Fully automatic control+remote monitoring+fault warning Mainly manual operation, limited monitoring function
Maintenance difficulty Modular design, easy maintenance, no need for manual cleaning of the water tank Regular cleaning of the water tank is required, and the maintenance of the pump unit is complex and costly
adaptability Both above ground and underground are suitable, adapting to different terrains and spatial limitations Due to limitations in terrain and geological conditions, a separate pump room needs to be planned
service life 15-25 years (depending on the material), with proper maintenance up to 30 years Concrete structures are about 20 years old and susceptible to corrosion

7、 Installation and Maintenance Guide24 cubic welded fire box pump integrated manufacturer

1. Installation process (efficient and simple)

  1. Foundation Construction
    • Pouring C30 concrete foundation (thickness ≥ 250mm), flatness error ≤ 5mm

    • Pre embedded anchor bolts, with spacing matching the equipment base

    • Set up drainage ditches around the foundation to ensure smooth drainage

  2. Equipment in place
    • Whole lifting (pay attention to the position of the lifting point), place it on the foundation and level it (levelness ≤ 1 ‰)

    • Tighten the anchor bolts to ensure stability

  3. pipeline connection
    • Connect the inlet, outlet, and outlet pipelines (recommended stainless steel/hot-dip galvanized steel pipes)

    • Seal the pipeline connection to prevent leakage

    • Supporting pipeline systems to reduce stress on equipment interfaces

  4. Electrical installation
    • Connect the power supply of the control cabinet (three-phase five wire 380V/50Hz) and ensure proper grounding (grounding resistance ≤ 4 Ω)

    • Connect sensors and pump control lines, and do a good job of waterproofing treatment

    • Test insulation performance to ensure safety

  5. system debugging
    • Check the correct installation of each component and manually test the operation of the pump unit

    • Simulate daily voltage stabilization, fire start-up, fault switching and other working conditions

    • Calibrate pressure/water level sensors, set control parameters

    • Test remote monitoring and alarm functions