Heat pump type low-temperature drying equipment for cattle bed padding regeneration

By combining modular design with a dedicated fabric feeding machine, pulse dust collector, hot and cold water unit, and nano-coating, the problems of excessive temperature, dust, and corrosion in cattle bedding drying equipment have been solved, achieving efficient dehumidification and resource utilization at low temperatures.

CN223555686UActive Publication Date: 2025-11-18QINGDAO HUIJUN ENVIRONMENTAL ENERGY ENG
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Patent Information

Application Number
CN202422875088.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-18
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing cattle bedding drying equipment suffers from problems such as excessively high local temperatures, high dust content, system blockage, and equipment corrosion, resulting in poor equipment stability and difficulty in achieving efficient drying effects without waste gas emissions.

Method used

The modularly designed heat pump-type low-temperature drying equipment, combined with a dedicated material feeder, pulse dust collector, and hot and cold water unit, achieves uniform material distribution, automatic dust removal, and temperature control. It uses ammonia-resistant nano-coating material for corrosion protection, ensuring stable equipment operation.

Benefits of technology

It achieves efficient dehumidification, sterilization and inactivation at low temperatures, avoids waste gas emissions, and improves the operational stability and resource utilization of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses heat pump type low-temperature drying equipment for cattle bed padding regeneration, which comprises a plurality of equipment main bodies, the connection modes of the equipment main bodies are consistent, two adjacent equipment main bodies are independently mounted, and the interiors of the two adjacent equipment main bodies are communicated. A spiral feeding machine for outputting and supporting materials is arranged at the outer end of the outermost equipment main body, a material distributing machine for uniformly distributing materials is arranged below the spiral feeding machine, a low-temperature drying machine net belt is arranged on one side of the material distributing machine, and the low-temperature drying machine net belt is located in the multiple equipment main bodies at the same time; a pulse dust remover for dust removal supporting is arranged at the upper end of the equipment main body, and a cold and hot water unit for controlling the temperature is arranged on one side of the pulse dust remover; according to the utility model, the aims of dehumidification, sterilization and inactivation of biogas residues, no exhaust emission and recycling of cattle bed padding can be realized at a lower temperature.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cattle bed litter drying technology field especially relates to a cattle bed litter regeneration uses heat pump type low temperature drying equipment. BACKGROUND

[0002] The cattle bed litter uses the biogas residue and has the characteristics such as small piling density, high fiber content, material fine, loose, not easy to form.

[0003] Cattle bed litter presents high dust content, uneven spreading in the drying process, leading to wind road short circuit and other problems, and using conventional low temperature drying machine for drying the material, due to the limitation of structure, it is easy to appear cloth uneven, dust content is extremely high, short circuit, system blockage and other various use problems, cause the whole machine performance decline seriously, equipment needs frequent maintenance, in addition, according to the fermentation condition is different, all contain a certain amount of ammonia gas, easy to produce corrosion to copper parts in the device, have great influence on the system operation stability.

[0004] In order to solve the above problems, the existing cattle bed litter drying process mainly through the rotary drying cylinder direct drying, and through this way, there are still some problems, mainly for:

[0005] (1) the local temperature in the rotary cylinder is too high, the temperature in the cylinder is about 300 DEG C, easy to fire;

[0006] (2) the rotary cylinder exhaust contains a large amount of dust, although the exhaust is washed and purified, but it is inevitable to be discharged into the atmosphere, it is difficult to reach the standard emission;

[0007] (3) the rotary cylinder type drying equipment is seriously worn, and it needs to be replaced in 2-3 years, which brings inconvenience to the stable operation of the drying system.

[0008] Therefore, we provide a cattle bed litter regeneration uses heat pump type low temperature drying equipment. Utility model content

[0009] The utility model relates to a kind of cattle bed litter regeneration uses heat pump type low temperature drying equipment, to realize the effect of the moisture removal of biogas residue, sterilization inactivation, no waste gas emission, cattle bed litter regeneration resource at lower temperature.

[0010] In view of the above, the utility model provides a kind of low temperature drying equipment of heat pump type for cattle bed litter regeneration, including equipment main body, the equipment main body has several, and the connection mode of several equipment main body is uniform, and adjacent two equipment main body are independently installed between, and adjacent two equipment main body inside intercommunication, the outer end of outermost equipment main body is provided with screw feeder for material output support, the screw feeder below is provided with distributor for uniform distribution, the distributor side is provided with low temperature drying machine mesh belt, the low temperature drying machine mesh belt is located in the equipment main body inside, and the low temperature drying machine mesh belt is in multilayer layout, and multilayer low temperature drying machine mesh belt is horizontally distributed, and the low temperature drying machine mesh belt is simultaneously located in several equipment main body inside, the equipment main body upper end is provided with pulse dust collector for dust removal support, the pulse dust collector side is provided with cold and hot water unit for temperature control.

[0011] Preferably, the end of the screw feeder close to the distributor is provided with a discharge port, and the end of the screw feeder away from the discharge port is provided with an inlet port.

[0012] Preferably, the lower half of the equipment main body is provided with a heat exchange assembly, the heat exchange assembly is used to assist the operation of the device, and the outer side of the heat exchange assembly is provided with a heat exchange auxiliary component, and the outer surface of the heat exchange auxiliary component is treated by nano coating.

[0013] Preferably, the upper end of the several equipment main bodies is simultaneously connected with a flow support pipe, the pulse dust collector is in communication with the inside of the flow support pipe, the outer end of the flow support pipe is provided with a compressed air inlet, the end of the pulse dust collector away from the flow support pipe is provided with a dust suction pipe, the dust suction pipe is inserted into the equipment main body, and the dust suction pipe extends into the equipment main body.

[0014] Preferably, the cold and hot water unit includes a hot water outlet pipe, a hot water inlet pipe, a cold water outlet pipe, a cold water inlet pipe arranged on the upper end of the equipment main body, a circulating pump for power support, and a condensate drain pipe for condensate discharge support.

[0015] Preferably, the rear end surface of the equipment main body is provided with several access doors for maintenance support, and the front end surface of the equipment main body is provided with several operation doors for opening and closing support of the equipment main body.

[0016] Preferably, a maintenance ladder is installed on the outer side of the equipment main body, and the maintenance ladder is located on the outer side of the middle equipment main body.

[0017] Compared with the prior art, the utility model provides a kind of low temperature drying equipment of heat pump type for cattle bed litter regeneration, with the following beneficial effects:

[0018] 1. The utility model discloses a plurality of equipment main body is arranged to modular design, makes it independent, and does not influence the continuity of internal operation, improves the convenience of its installation and maintenance.

[0019] 2. The utility model discloses a special cloth machine is selected, make it to the material that passes through spiral feeder even dispersion, improve the uniformity of material circulation on low temperature drying machine net belt, ensure that the biodegradable residue after secondary dehydration is evenly laid on low temperature drying machine net belt, and the laying layer height is set to 80-100mm, improve the accuracy and stability when the device drying operation, thereby in the combination use under the modularization of equipment main body and low temperature drying machine net belt support limit, under the condition that the ventilation and system resistance requirement are given full consideration, meet the demand of discharge capacity and processing efficiency, make resistance pressure loss control 500Pa.

[0020] 3. The utility model discloses a dust removal support under pulse dust collector, aiming at the condition that material is lighter and the dust in drying process is serious, can effectively avoid the generation of wind road disorder aggravating dust and system short circuit etc.

[0021] 4. The utility model discloses the combination use under cold and hot water unit to hot water and cold water, can control its operation temperature, prevents temperature too high simultaneously, makes the device can realize the dehumidification of biogas residue at lower temperature, sterilization inactivation, no waste gas emission, the purpose of cattle bed litter regenerative resource.

[0022] 5. The utility model discloses improve the heat exchange auxiliary part outside use ammonia gas -resistant nanometer coating material, prevent the corrosion of ammonia gas produced after the fermentation of cow dung to its internal device, and isolate it outside the air duct, avoid the influence of corrosive hot and humid gas on its working stability, thereby improve the safe and reliable operation of the device from multiple angles.

[0023] The parts not involved in the device are the same as or can be realized by the prior art, the utility model has simple structure and convenient operation. ACCURACY

[0024] Figure 1 It is an overall front view structural schematic diagram of the cattle bed litter regenerative heat pump type low temperature drying equipment.

[0025] Figure 2 It is an overall front view structural schematic diagram of the cattle bed litter regenerative heat pump type low temperature drying equipment.

[0026] Figure 3 This is a front view of a single main body of a heat pump type low-temperature drying device for regenerating cow bedding materials proposed in this utility model;

[0027] Figure 4 This is a partial cross-sectional view of a heat pump type low-temperature drying device for regenerating cow mattress material proposed in this utility model.

[0028] In the diagram: 1. Main body of the equipment; 2. Screw feeder; 3. Feed inlet; 4. Discharge outlet; 5. Fabric distributor; 6. Low-temperature dryer mesh belt; 7. Pulse dust collector; 8. Compressed air inlet; 801. Air inlet support pipe; 9. Dust suction pipe; 10. Heat exchange assembly; 11. Heat exchange accessories; 12. Hot water outlet pipe; 1201. Cold water outlet pipe; 13. Hot water inlet pipe; 1301. Cold water inlet pipe; 14. Condensate drain pipe; 15. Inspection door; 16. Inspection ladder; 17. Operating door. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Example 1: A heat pump type low-temperature drying device for regenerating cow bedding materials, such as... Figure 1 - Figure 4 As shown, the device includes a main body 1, which consists of several main bodies 1. All main bodies 1 are connected in the same way, and adjacent main bodies 1 are installed independently. The internal parts of adjacent main bodies 1 are connected. The outermost screw feeder 2 is provided with a screw feeder 2 for material output support. Below the screw feeder 2, a material distributor 5 is provided for uniform material distribution. A low-temperature drying machine mesh belt 6 is provided on one side of the material distributor 5. The low-temperature drying machine mesh belt 6 is located inside the main body 1 and is arranged in multiple layers. The multiple layers of low-temperature drying machine mesh belt 6 are horizontally distributed and are located inside several main bodies 1. A pulse dust collector 7 is provided at the upper end of the main body 1 for dust removal support. A hot and cold water unit for temperature control is provided on one side of the pulse dust collector 7.

[0032] Firstly, by setting multiple device bodies 1 as a modular design, they are independent of each other and do not affect the continuity of internal operation, improving the convenience of installation and maintenance. Secondly, by selecting a dedicated distributor 5, it uniformly disperses the material flowing through the screw feeder 2, improving the uniformity of the material flowing on the low-temperature drying machine mesh belt 6, ensuring that the dewatered biogas residue is evenly laid on the low-temperature drying machine mesh belt 6, and the laying layer height is set to 80-00mm, improving the accuracy and stability of the device during drying operation, thereby meeting the requirements of discharge capacity and processing efficiency while considering the air permeability and system resistance requirements, keeping the resistance pressure loss within 500Pa. Thirdly, under the dust removal support of the pulse dust collector 7, for the case of light material and severe dust during drying, it can effectively avoid the intensification of dust and system short circuit caused by wind road disorder, and according to the actual situation of the device production, the pulse dust collector 7 is combined with the automatic control components to realize real-time and rapid automatic dust removal, avoiding system blockage caused by untimely dust removal, preventing the inconvenience of manual filter cleaning. Finally, under the combined use of hot and cold water units for hot and cold water, the operating temperature can be controlled to prevent excessive temperature while enabling the device to dehumidify, sterilize and inactivate the biogas residue at a lower temperature without waste gas emission, achieving the purpose of recycling the cattle bed mattress.

[0033] As shown in Figure 1 - Figure 4 The screw feeder 2 is provided with a discharge port 4 at one end close to the distributor 5, and a feeding port 3 at the other end away from the discharge port 4, and the distributor 5 extends into the device body 1.

[0034] Under the feeding support of the feeding port 3 and the discharging guide of the discharge port 4, the stability and accuracy of material transmission are ensured, and the efficiency of subsequent operation is ensured.

[0035] As shown in Figure 1 - Figure 4 The lower half of the device body 1 is provided with a heat exchange assembly 10, which is used to assist the operation of the device, and the outer side of the heat exchange assembly 10 is provided with a heat exchange auxiliary part 11, and the outer surface of the heat exchange auxiliary part 11 is treated with a nano coating.

[0036] By combining the use of key components such as evaporators, compressors, expansion valves and solenoid valves inside the heat exchange assembly 10 and electrical elements, the stability of the device operation is ensured, and at the same time, the outer side of the heat exchange auxiliary part 11 is treated with a nano coating material resistant to ammonia gas to prevent corrosion of the internal device caused by ammonia gas generated after fermentation of cow dung, and to isolate it from the air duct to avoid the influence of corrosive hot and humid gas on the working stability, thereby improving the safety and reliability of the device operation from multiple angles.

[0037] Embodiment two: a heat pump type low temperature drying equipment for regenerating cattle bedding material, as shown in Figure 1 Figure 4 As shown in the figure, the upper end of the equipment body 1 is connected with several flow support pipes 801 at the same time, the pulse dust collector 7 is in communication with the inside of the flow support pipe 801, the outer end of the flow support pipe 801 is provided with a compressed air inlet 8, and the end of the pulse dust collector 7 away from the flow support pipe 801 is provided with a dust suction pipe 9, the dust suction pipe 9 is inserted with the equipment body 1, and the dust suction pipe 9 extends to the inside of the equipment body 1.

[0038] Under the guidance and support of the dust suction pipe 9, it is ensured that the pulse dust collector 7 can timely adsorb and clean the dust generated in the equipment body 1 during operation, and under the guidance flow of compressed gas at the compressed air inlet 8, the dust adhered to the surface of the filter bag in the pulse dust collector 7 can be detached, improving the stability and durability of the pulse dust collector 7 during dust cleaning.

[0039] As shown in the figure, Figure 1 Figure 4 The cold and hot water unit includes hot water outlet pipe 12, hot water inlet pipe 13, cold water outlet pipe 1201, cold water inlet pipe 1301 arranged at the upper end of the equipment body 1, circulating pump for power support, and condensate drainage pipe 14 for condensate drainage support.

[0040] Through the cold and hot water unit, the hot water outlet pipe 12, the hot water inlet pipe 13, the cold water outlet pipe 1201, 130, the discharge port 4 and the heat exchanger base pipe are all made of 316L material to avoid corrosion, and at the same time, under the combined use, the cold and hot water can be fixed in the channel for circulation, ensuring the stability of the operation state of a single pipe, improving the service life, and further improving the efficient regulation of the equipment body 1 inside, and further improving the operation efficiency of the pipe itself.

[0041] As shown in the figure, Figure 1 Figure 4 As shown in the figure, the rear end surface of the equipment body 1 is provided with several maintenance doors 15, and the maintenance doors 15 are used for maintenance support of different parts, and the front end surface of the equipment body 1 is provided with several operation doors 17, and the operation doors 17 are used for opening and closing support of the equipment body 1.

[0042] The maintenance ladder 16 is installed outside the equipment body 1, and the maintenance ladder 16 is located outside the middle equipment body 1.

[0043] ​​​Under the installation of the inspection door 15 and the operation door 17, the inside of the equipment body 1 is convenient for the maintenance adjustment of different parts, and the inside of the equipment body 1 is convenient for the timely observation of the running condition, and under the setting of the maintenance ladder 16, the parts above the device are convenient for the maintenance, and the convenience of the workers to the device processing is improved.

[0044] The above merely provides a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A heat pump type low temperature drying apparatus for regenerating a cattle bedding material, comprising an apparatus main body (1), characterized in that, The device body (1) has several, and the connection mode of several device bodies (1) is consistent, and the adjacent two device bodies (1) are independently installed, and the adjacent two device bodies (1) are internally communicated, and the outer end of the outermost device body (1) is provided with a spiral feeder (2) for supporting material output, the spiral feeder (2) is provided below the spiral feeder (2), and the spiral feeder (5) is provided with a low-temperature drying machine net belt (6) on one side, the low-temperature drying machine net belt (6) is located in the device body (1), and the low-temperature drying machine net belt (6) is arranged in multiple layers, and the low-temperature drying machine net belt (6) is horizontally distributed, and the low-temperature drying machine net belt (6) is located in several device bodies (1) at the same time, the device body (1) is provided with a pulse dust collector (7) for dust removal support on the upper end, and the pulse dust collector (7) is provided with a cold and hot water unit for controlling temperature on one side.

2. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by, The spiral feeder (2) is provided with a discharge port (4) close to one end of the spiral feeder (2), and the spiral feeder (2) is provided with a feeding port (3) away from the discharge port (4), and the spiral feeder (2) extends into the device body (1).

3. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by, The lower half of the device body (1) is provided with a heat exchange assembly (10), the heat exchange assembly (10) is used for assisting the operation of the device, and the heat exchange assembly (10) is provided with a heat exchange auxiliary part (11) outside, and the outer surface of the heat exchange auxiliary part (11) is treated by nano coating.

4. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by, Several device bodies (1) are connected with flow support pipes (801) at the same time, the pulse dust collector (7) and the flow support pipe (801) are internally communicated, the flow support pipe (801) is provided with a compressed air inlet (8) at the outer end, the pulse dust collector (7) is provided with a dust suction pipe (9) away from the flow support pipe (801), the dust suction pipe (9) is inserted into the device body (1), and the dust suction pipe (9) extends into the device body (1).

5. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by, The cold and hot water unit comprises a hot water outlet pipeline (12), a hot water inlet pipeline (13), a cold water outlet pipeline (1201), a cold water inlet pipeline (1301) arranged on the upper end of the device body (1), a circulating pump for power support, and a condensate drainage pipe (14) for condensate drainage support.

6. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by The rear end surface of the device body (1) is provided with several access doors (15), the access doors (15) are used for supporting the maintenance of different parts, and the front end surface of the device body (1) is provided with several operation doors (17), the operation doors (17) are used for supporting the opening and closing of the device body (1).

7. The heat pump type low temperature drying apparatus for regenerating a cattle bedding material according to claim 1, characterized by, The device body (1) is provided with a maintenance ladder (16) outside, and the maintenance ladder (16) is located outside the middle device body (1).