WLDH-5000
KARVIL
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Product Description
The WLDH-5000 Horizontal Ribbon Mixer is engineered for the batch processing of high-bulk density powders and abrasive materials. Specifically configured for the mineral and chemical industries, this unit is suitable for mixing mineral salts, lime powder (calcium hydroxide), magnesium oxide, and fertilizers.
Unlike standard mixers, this 5000L unit features a reinforced drive system and a pneumatic slide gate valve to ensure reliable operation under heavy loads and strict dust control requirements.
Pneumatic Slide Gate Valve (Curved Flap)
The machine utilizes a pneumatic curved flap valve for discharge.
1. Function: The valve’s curvature matches the mixer drum, eliminating dead pockets where unmixed material could accumulate.
2. Automation: Pneumatic actuation allows for remote control and integration with automated packing lines.
3. Sealing: Provides a tighter seal compared to standard butterfly valves, preventing fine powder leakage during the mixing cycle.
Double Ribbon Agitator
The internal agitator consists of two helical ribbons mounted on a central shaft.
1. Outer Ribbon: Pushes material from the sides toward the center.
2. Inner Ribbon: Pushes material from the center toward the sides.
3. Result: This counter-current flow ensures a homogeneous mix (CV ≤ 5%) within a short batch time (typically 5–10 minutes), suitable for mixing cohesive powders with additives.

Video Demonstration: WLDH-5000 Horizontal Ribbon Blender
Safety - All Karvil Machinery ribbon blenders include CE markings and are manufactured in accordance with ISO9001 accreditation; Safety limit switch prevents agitator from running when cover is open; Available with customizable safety grilles, automatic valves and a variety of other operator-friendly options.
Customizable - Special structural materials can be provided according to raw materials, such as wear-resistant, corrosion-resistant or other; Heavy duty, high horsepower ribbon mixers to meet high-density mixing requirements; Mechanical seals, end wall scrapers, load cell systems and other upgrades available.
Technical Parameters
| Spec | WLDH-100 | WLDH-300 | WLDH-500 | WLDH-1000 | WLDH-1500 | WLDH-2000 | WLDH-3000 | WLDH-4000 | WLDH-6000 | WLDH-8000 | WLDH-10000 |
| Total volume(L) | 100 | 300 | 500 | 1000 | 1500 | 2000 | 3000 | 4000 | 6000 | 8000 | 10000 |
| Mixed amount/batch (L) | 30-60 | 90-180 | 150-300 | 400-600 | 450-900 | 600-1200 | 900-1800 | 1200-2400 | 1800-3600 | 2400-4800 | 3000-6000 |
| Power (Kw) | 1.5-4 | 3-5.5 | 4-11 | 7.5-15 | 11-18.5 | 15-22 | 18.5-30 | 22-37 | 37-55 | 37-55 | 45-75 |
| Rotating speed (RPM) | 65 | 65 | 65 | 46 | 38 | 33 | 28 | 28 | 28 | 24 | 21 |
Applications
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Our Services
Professional Consultation
Karvil Machinery provides expert guidance and consultation to help customers choose the right horizontal mixer for their specific needs. This may involve discussing the type of materials to be mixed, batch size, required mixing speed, and other relevant factors.
Installation&Training
Karvil Machinery provides installation services or guidance to ensure that the mixer is set up correctly and safely at the customer's facility.
We offer training programs for operators and maintenance personnel. This ensures that the equipment is used efficiently and safely
Laboratory Test
In order to be able to demonstrate the advantages and modes of action of Karvil Machinery industrial mixing machine with your products, our fully equipped modern laboratory/technical center is at your disposal.

F.A.Q.
1. Manufacturer or trading company?
We are a manufacturer with strict production standards in China.
2. Where is your company?
Our company is located in Yantai, Shandong,——Powder Equipment Industry Belt.
3. About your company's visit?
We can pick you up at Qingdao Airport conveniently, and then we can take you to our factory.
4. What is the main market for your company?
Asia and Africa, Australia, America, Europe.
5. Can you provide customized products?
Yes, we have professional engineers to meet your special design needs, so we can provide customized products.
6. What is your delivery time?
It usually takes about 20 to 30 days, the exact time also depends on the type and quantity of the product.
7. About the product warranty?
Usually, we provide a 1-year warranty for the products that have been sold, but we can also provide life-long service when you need it to maintain a long-term relationship with you.
8. What are the payment terms?
T/T, L/C, etc.
Successful Delivery to New Zealand
![]() | Customized 5000L Ribbon Mixer for Mineral Lime Powder Destination: Auckland, New Zealand Model: WLDH-5000 Configuration: Pneumatic Flap Valve for Quick Discharge Application: Mineral Salts, Lime Powder, Magnesium Oxide
|
Product Description
The WLDH-5000 Horizontal Ribbon Mixer is engineered for the batch processing of high-bulk density powders and abrasive materials. Specifically configured for the mineral and chemical industries, this unit is suitable for mixing mineral salts, lime powder (calcium hydroxide), magnesium oxide, and fertilizers.
Unlike standard mixers, this 5000L unit features a reinforced drive system and a pneumatic slide gate valve to ensure reliable operation under heavy loads and strict dust control requirements.
Pneumatic Slide Gate Valve (Curved Flap)
The machine utilizes a pneumatic curved flap valve for discharge.
1. Function: The valve’s curvature matches the mixer drum, eliminating dead pockets where unmixed material could accumulate.
2. Automation: Pneumatic actuation allows for remote control and integration with automated packing lines.
3. Sealing: Provides a tighter seal compared to standard butterfly valves, preventing fine powder leakage during the mixing cycle.
Double Ribbon Agitator
The internal agitator consists of two helical ribbons mounted on a central shaft.
1. Outer Ribbon: Pushes material from the sides toward the center.
2. Inner Ribbon: Pushes material from the center toward the sides.
3. Result: This counter-current flow ensures a homogeneous mix (CV ≤ 5%) within a short batch time (typically 5–10 minutes), suitable for mixing cohesive powders with additives.

Video Demonstration: WLDH-5000 Horizontal Ribbon Blender
Safety - All Karvil Machinery ribbon blenders include CE markings and are manufactured in accordance with ISO9001 accreditation; Safety limit switch prevents agitator from running when cover is open; Available with customizable safety grilles, automatic valves and a variety of other operator-friendly options.
Customizable - Special structural materials can be provided according to raw materials, such as wear-resistant, corrosion-resistant or other; Heavy duty, high horsepower ribbon mixers to meet high-density mixing requirements; Mechanical seals, end wall scrapers, load cell systems and other upgrades available.
Technical Parameters
| Spec | WLDH-100 | WLDH-300 | WLDH-500 | WLDH-1000 | WLDH-1500 | WLDH-2000 | WLDH-3000 | WLDH-4000 | WLDH-6000 | WLDH-8000 | WLDH-10000 |
| Total volume(L) | 100 | 300 | 500 | 1000 | 1500 | 2000 | 3000 | 4000 | 6000 | 8000 | 10000 |
| Mixed amount/batch (L) | 30-60 | 90-180 | 150-300 | 400-600 | 450-900 | 600-1200 | 900-1800 | 1200-2400 | 1800-3600 | 2400-4800 | 3000-6000 |
| Power (Kw) | 1.5-4 | 3-5.5 | 4-11 | 7.5-15 | 11-18.5 | 15-22 | 18.5-30 | 22-37 | 37-55 | 37-55 | 45-75 |
| Rotating speed (RPM) | 65 | 65 | 65 | 46 | 38 | 33 | 28 | 28 | 28 | 24 | 21 |
Applications
![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() |
Our Services
Professional Consultation
Karvil Machinery provides expert guidance and consultation to help customers choose the right horizontal mixer for their specific needs. This may involve discussing the type of materials to be mixed, batch size, required mixing speed, and other relevant factors.
Installation&Training
Karvil Machinery provides installation services or guidance to ensure that the mixer is set up correctly and safely at the customer's facility.
We offer training programs for operators and maintenance personnel. This ensures that the equipment is used efficiently and safely
Laboratory Test
In order to be able to demonstrate the advantages and modes of action of Karvil Machinery industrial mixing machine with your products, our fully equipped modern laboratory/technical center is at your disposal.

F.A.Q.
1. Manufacturer or trading company?
We are a manufacturer with strict production standards in China.
2. Where is your company?
Our company is located in Yantai, Shandong,——Powder Equipment Industry Belt.
3. About your company's visit?
We can pick you up at Qingdao Airport conveniently, and then we can take you to our factory.
4. What is the main market for your company?
Asia and Africa, Australia, America, Europe.
5. Can you provide customized products?
Yes, we have professional engineers to meet your special design needs, so we can provide customized products.
6. What is your delivery time?
It usually takes about 20 to 30 days, the exact time also depends on the type and quantity of the product.
7. About the product warranty?
Usually, we provide a 1-year warranty for the products that have been sold, but we can also provide life-long service when you need it to maintain a long-term relationship with you.
8. What are the payment terms?
T/T, L/C, etc.
Successful Delivery to New Zealand
![]() | Customized 5000L Ribbon Mixer for Mineral Lime Powder Destination: Auckland, New Zealand Model: WLDH-5000 Configuration: Pneumatic Flap Valve for Quick Discharge Application: Mineral Salts, Lime Powder, Magnesium Oxide
|