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DZH Manual Type Coal Boiler

Product capacity: 0.1t/h-50t/h 100kw-35000kw
Working pressure: 0.1Mpa-3.8Mpa 1bar-38bar
Available fuel: Coal, wood, biomass, jhute, coconuts,palm shells, ricehusk, solid waste
Available industries: For heating, drying, steam turbine, in foods, beverage, textile, paper, feed mill, chemical, edible oil, rice mill, refinery, packaging, laundry, hotel...

Key selling points:DZH manual feed coal wood biomass boiler, water-fire tube structure, sufficient steam output & high quality steam & lower investment & long using life 20+ Years.


DZH Manual Coal Boiler


Certified by ASME, CE, ISO, EAC, DOSH, TUV, BV, ensuring high quality and compliance with international standards.

DZH series coal Boiler, is kind of manual type coal fired boiler, inner fire-tube & water-tube structure, wing-shape flue and flue gas three pass design, conbustion device is travelling grate.

Biggest advantages: DZH boiler has strong fuel adaptability for solid fuel: coal, wood log, wood chip, solid waste.

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DZH Coal Boiler Features

1. Manual type coal/wood fired boiler, water-fire tubes & wing shape flue structure . Sufficient steam power, steady boiler running for 24 hours' work consistantly.

2. Using energy-saving device, eco-friendly emission strandard, low original dust discharge concentration, environmental protection and energy conservation.

3. High quality steam output boiler, equipped water treatment device and economizer devices. Long life span than 25Years, offer whole life service for boiler.

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Compare Automactic & Manual Coal Boilers

1. Biggest difference is combustion device, thus cause different working way. DZL is automatic coal feeding boiler, DZH is manual hand operating coal boiler.

2. Different fuel adaptability, DZH boiler could burn biomass waste/wood log/wood chips with coal, stronger fuel adaptability than DZL boiler.

3. Different thermal efficiency, absolutely, DZL boiler has higher thermal efficiency compared with DZH boiler.

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Related: Vertical Coal Boiler

Samll coal boiler, with simple structure, in vertical type, steam or hot water heating boiler.

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> How to Choose A Suitable Boiler

1. Basic Boiler Information For Your Project

Fuel options: Gas Lpg Diesel Heavy-oil Biogas Dual-fuel, Electricity, Coal, Charcoal, Wood, Biomass, Pellets, EFB Palm-kernel-shells, Rice-husk, Peanut-shells, Cashew-nuts-shells, Sunflower-seeds-shells, Bagasse, etc.

Thermal capacities options: 100kg-50000kg, 70kw-35000kw, 5hp/bhp-3000hp/bhp, (million-btu, pounds/lbs, liters,etc)

Heat medium options: saturated/superheated steam, hot water, thermal oil.

Structure options: Fire tube boiler, water tube boiler, water-tube fire-tube boiler

Layout options: Vertical boiler, Horizontal boiler.

Operating-mode options: Automatic, manual

Note: please feel free to send all requirements, we could help you better.

2. Calculating Running Cost

Specific consumption analysis report

Different types boiler running consumption comparison analysis report

(Note: Report is based on your local energy source price)

3. Boiler Accessories (essential or optional)

Control panel, Water treatment device, Economizer, Conderser, Heat recovery unit, Deaerator, Solid fuel burning combustions stoker (chain-grate, reciprocating-grate, travelling-grate, fixed-grate), Steam header, Pumps, Water level gauge/sensor, Pressure guage/sensor, Safety valves, etc.

Note: Any special request, please send all details.

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Technical Parameter

DZ Series Steam Boiler Technical Parameter Table
Model Rated capacity(t/h) Rated pressure (Mpa) Rated steam temperature(℃) feed temperature(℃) Thermal efficiency(%) Boiler water volume(m³) Exhaust temperation(℃) Fuel comsumption(Kg/h) max transportation weigh(t)
DZH1 1 1.0/1.25/1.6 184/194/204 20/104 >82 3.15 127.25 192.32 9
DZL1 1 1.0/1.25/1.6 184/194/204 20/104 >82 3.15 113.34 190.42 13.5
DZH2 2 1.0/1.25/1.6 184/194/204 20/104 >82 4.75 126.41 386.47 15
DZL2 2 1.0/1.25/1.6 184/194/204 20/104 >82 4.77 106.34 393.77 22
DZH4 4 1.0/1.25/1.6 184/194/204 20/104 >82 7.7 137.25 782.29 18.5
DZL4 4 1.0/1.25/1.6/2.5 184/194/204/226 20/104 >82 8.2 124.49 756.89 27.6
DZH6 6 1.0/1.25/1.6/2.5 184/194/204/226 20/104 >82 7.4 146.83 1169.57 25
DZL6 6 1.0/1.25/1.6/2.5 184/194/204/226 20/104 >82 8.1 137.29 1148.68 35
DZL8 8 1.0/1.25/1.6/2.5 184/194/204/226 20/104 >82 9.6 141.06 1602.44 38
Note: Parameter is for reference only, if any changes should follow the factory technical data.

Our Supply Equipment List

Fuel Feeder
Control Cabinet
Slag Remover
Water Treatment Device
Water Pumps
Water Tank
Forced/Induced Fan
Smoke Clean Equipment

DZH Boiler Features

DZH boiler travelling chain grate

Travelling grate boiler

DZH boiler use travelling grate combustion equipment. It needs labor hand feeding into coal/wood. It has advantages of low-failure rate, longer life span
DZH boiler water fire tube boiler structure

Water/fired tubes & Wing shape boiler

Strengthening heat transfer, eliminating welding stress, enhance heat transfer bility, reduce heat stress of pipeline seam, prevent pipeline cracking.
DZH coal wood boiler

Security guaranteed & Automation

With a set of alarm,protection and security guaranteed, 100% safety. Control cabinet use siemens elements, trustable quality & control strictly
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Economizer & Dust collector device

Reuse waste heat in exhaust gas, energy saving devide (economizer); Remove the dust and ash, protect envrionment and reduce pollution

FAQ of Coal Boiler

Question: Whats the most popular DZH boiler models?

Answer: Mostly, we produce DZH boiler in capacity of 1ton 2ton 3ton 4ton 6ton 8ton. Considering technical requirements, it cann't be bigger capacity.

Question: What accessories you supply ?

Answer: Including control panel, conbustion device, water treatment device, water pumps, dust collector, economizer, chimney, water level gauges & pressure gauges.

Question: Do you have vertical coal boiler ?

Answer: Yes, if you need small capacity 500kg 1000kg coal boiler in vertical type, we have LSG series coal water tube boiler for choose.

Question: Do you supply installation materials?

Installation materials is for boiler and accessories connection, including water piping, steam piping, valves, meters, flanges, gasket,bolt&nuts,bend pipe, elbow, wire, steel rope in boiler room. .

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