Novel composite heating low-temperature drying equipment

By introducing a dual heating method of electromagnetic hot air blower and heating pump unit into the low-temperature drying equipment of the sewage treatment plant, the problems of high energy consumption and insufficient production capacity caused by low temperature in winter have been solved, and a high-efficiency and low-energy sludge drying effect has been achieved.

CN223592575UActive Publication Date: 2025-11-25JIANGXI HONGCHENG WATERWORKS ENVIRONMENTAL PROTECTION CO LTD
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Patent Information

Application Number
CN202421903780.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-11-25
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

Existing low-temperature drying equipment in wastewater treatment plants suffers from low sludge temperatures in winter, resulting in high energy consumption, insufficient production capacity, and impacts treatment efficiency and safety.

Method used

A new type of composite heating low-temperature drying equipment adopts a dual heating method, combining No. 1 and No. 2 heating pump units with electromagnetic hot air blowers to form a complementary heating system, thereby improving the overall heating power and enhancing the sludge drying capacity.

Benefits of technology

This improved the production capacity and energy efficiency of the low-temperature drying equipment, reduced energy consumption, and ensured the stable operation and safety of the sludge treatment system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses novel composite heating low-temperature drying equipment which comprises a drying treatment box, a first heating pump unit and a second heating pump unit are arranged on the two sides of the top of the drying treatment box respectively, and an electromagnetic air heater is arranged between the first heating pump unit and the second heating pump unit. The electromagnetic air heater, the first heating pump unit and the second heating pump unit can work independently or simultaneously. Technical research and development are carried out on the basis of an existing sludge low-temperature drying system. And an external automatic temperature control electromagnetic air heater is additionally arranged, so that a double-heating-mode fusion complementary sludge low-temperature drying system is formed. And the overall heating power of the sludge low-temperature drying system is improved, so that the overall production capacity of original equipment of the low-temperature drying system in unit time is improved, and the production requirements are better met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sludge treatment technical field, concretely relates to a novel composite heating low temperature drying equipment. BACKGROUND

[0002] The existing low temperature drying technology of the sewage treatment plant is affected by the constant power of the equipment compressor unit, and the design institute is affected by the cost, so the selection is just in line with the sewage plant treatment scale under the perfect weather condition, and the overall treatment capacity is small, and in winter, the temperature is affected, the front end of the spiral machine, the belt machine or the plate frame machine is low in temperature after treatment 80% of the sludge, so that the power consumption of the low temperature drying unit for the standard 60% moisture content is improved, the sludge output is low in winter, and the energy consumption is high. The subsequent sludge cannot be quickly discharged from the system for a long time, which leads to the continuous increase of sludge concentration, and only by reducing the treatment water volume can the sludge treatment capacity be matched, which leads to the influence of the water inflow and cannot produce under full load, and the water outflow data has safety hidden danger and faces environmental protection pressure. Therefore, a novel composite heating low temperature drying equipment needs to be designed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a novel composite heating low temperature drying equipment to solve the above-mentioned shortcomings in the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A novel composite heating low temperature drying equipment, including drying treatment box, the top of drying treatment box both sides is provided with one heating pump unit and no. 2 heating pump unit, be provided with electromagnetic air heater between one heating pump unit and no. 2 heating pump unit, electromagnetic air heater, one heating pump unit and no. 2 heating pump unit can work alone or work simultaneously.

[0006] Preferably, the outer wall of the top of the drying treatment box is provided with a unit mounting plate, and the one heating pump unit and the no. 2 heating pump unit are fixedly arranged above the unit mounting plate.

[0007] Preferably, the one heating pump unit and the no. 2 heating pump unit are provided with a heat source conduit connected with the drying treatment box and the heat source generating device.

[0008] Preferably, a plurality of engineering doors are arranged on the outer wall of one side of the drying treatment box.

[0009] Preferably, the electromagnetic air heater comprises an electromagnetic heater fixedly installed on the side wall of the drying treatment box, and a fan is arranged on the electromagnetic heater, a hot air pipe is fixedly installed on the air outlet of the fan, and the distal end of the hot air pipe is communicated with the drying treatment box.

[0010] Preferably, a control module is arranged on the electromagnetic air heater.

[0011] In the above technical solutions, the novel composite heating low-temperature drying equipment has the beneficial effects that:

[0012] In the existing sludge low-temperature drying system, an external automatic temperature control electromagnetic air heater is added to form a double heating mode complementary sludge low-temperature drying system. The overall heating power of the sludge low-temperature drying system is improved, and the overall production capacity (daily output) of the original equipment of the low-temperature drying system in unit time is improved, so that the production demand is better met. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The structure schematic view is provided for the novel composite heating low-temperature drying equipment embodiment of the utility model.

[0014] Figure 2 The electromagnetic air heater structure schematic view is provided for the novel composite heating low-temperature drying equipment embodiment of the utility model.

[0015] 1 drying treatment box, 2 unit installation plate, 3 No. 1 heating pump unit, 4 heat source guide pipe, 5 No. 2 heating pump unit, 6 engineering door, 7 electromagnetic air heater, 8 hot air pipe, 9 fan, 10 electromagnetic heater, 11 control module. DETAILED DESCRIPTION

[0016] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail in combination with the drawings.

[0017] As shown in Figure 1 , Figure 2 The utility model embodiment provides a novel composite heating low-temperature drying equipment, which comprises a drying treatment box 1, No. 1 heating pump unit 3 and No. 2 heating pump unit 5 are arranged at the top of the drying treatment box 1 respectively, and an electromagnetic air heater 7 is arranged between No. 1 heating pump unit 3 and No. 2 heating pump unit 5, and the electromagnetic air heater 7, No. 1 heating pump unit 3 and No. 2 heating pump unit 5 can work independently or simultaneously.

[0018] Specifically, in the embodiment, the drying treatment box 1 is arranged, No. 1 heating pump unit 3 and No. 2 heating pump unit 5 are arranged at the top of the drying treatment box 1 respectively, and the electromagnetic air heater 7 is arranged between No. 1 heating pump unit 3 and No. 2 heating pump unit 5, and the electromagnetic air heater 7, No. 1 heating pump unit 3 and No. 2 heating pump unit 5 can work independently or simultaneously. The reason for adopting the electromagnetic heating air heater is that the electromagnetic air heater 7 has higher conversion efficiency and faster temperature rise than other electric heating types such as electric furnace wire or PTC, and the electromagnetic air heater 7 adopted is a 20KW electromagnetic air heater unit.

[0019] The utility model provides a novel compound heating low temperature drying equipment, in the existing sludge low temperature drying system carries out technical research and development, and the existing drying system is using no.

[0020] As an embodiment provided by the utility model, the outer wall on the top of the drying treatment box 1 is provided with a unit installation plate 2, and the first heating pump unit 3 and the second heating pump unit 5 are fixedly arranged above the unit installation plate 2; the first heating pump unit 3 and the second heating pump unit 5 are provided with a heat source pipe 4 connected with the drying treatment box 1 and the heat source generating device; a plurality of engineering doors 6 are arranged on the outer wall of one side of the drying treatment box 1.

[0021] As another embodiment provided by the utility model, the electromagnetic hot air blower 7 comprises an electromagnetic heater 10 fixedly installed on the side wall of the drying treatment box 1, and the electromagnetic heater 10 is provided with a fan 9, the outlet of the fan 9 is fixedly installed with a hot air pipe 8, the distal end of the hot air pipe 8 is communicated with the drying treatment box 1, the temperature of the low temperature air entering the electromagnetic heater 10 is controlled at 53 DEG C, and the outlet air blown out by the fan 9 and the hot air pipe 8 is stably controlled at 95 DEG C (the initial value is adjusted according to the operation data of each season, and the power is also adjusted from 20KW downwards), and two 20KW units are equivalent to increasing the low temperature equipment to 12400 type equipment, which directly reduces the investment of 5 million yuan.

[0022] As another embodiment provided by the utility model, the electromagnetic hot air blower 7 is provided with a control module 11. By using the control module 11, the electromagnetic hot air blower has a soft start function, the service life is longer under the condition of frequent starting, the equipment is safer, the equipment is provided with a phase missing protection function and an IGBT module overcurrent protection function, has an input and output overcurrent protection automatic adjustment negative feedback function, has an IGBT overtemperature protection function, the IGBT module is automatically alarmed when exceeding 75 DEG C, has a heating coil short circuit and open circuit protection function, is driven by a high-performance IGBT driving chip, perfectly drives and automatically identifies the load and the phase locking function, so that the load end obtains the highest power factor, and the circuit is accurately controlled in the weak inductive area to work with high efficiency. At the same time, the electromagnetic hot air furnace is provided with a temperature setting intelligent control system, automatic control and remote monitoring can be realized, operation is simple, and management is convenient.

[0023] The drying equipment parameters of the novel compound heating low temperature drying equipment before and after the design are shown in the following table:

[0024]

[0025] Certain exemplary embodiments of the present application have been described above by way of illustration, and it is to be understood that certain modifications can be made without departing from the spirit and scope of the application. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature rather than restrictive.

Claims

1. A novel composite heating low-temperature drying device, comprising a drying treatment box (1), characterized in that, The top two sides of the drying treatment box (1) are respectively equipped with a No. 1 heating pump unit (3) and a No. 2 heating pump unit (5). An electromagnetic hot air blower (7) is located between the No. 1 heating pump unit (3) and the No. 2 heating pump unit (5). The electromagnetic hot air blower (7), the No. 1 heating pump unit (3) and the No. 2 heating pump unit (5) can work individually or simultaneously.

2. The novel composite heating low-temperature drying equipment according to claim 1, characterized in that, The drying treatment box (1) is provided with a unit mounting plate (2) on the outer wall of the top, and the No. 1 heating pump unit (3) and the No. 2 heating pump unit (5) are fixedly installed above the unit mounting plate (2).

3. The novel composite heating low-temperature drying equipment according to claim 1, characterized in that, The No. 1 heating pump unit (3) and the No. 2 heating pump unit (5) are equipped with heat source conduits (4) that are connected to the drying treatment box (1) and the heat source generating device.

4. The novel composite heating low-temperature drying equipment according to claim 1, characterized in that, Several engineering doors (6) are provided on one side of the outer wall of the drying treatment box (1).

5. The novel composite heating low-temperature drying equipment according to claim 1, characterized in that, The electromagnetic hot air blower (7) includes an electromagnetic heater (10) fixedly installed on the side wall of the drying treatment box (1), and a fan (9) is provided on the electromagnetic heater (10). A hot air pipe (8) is fixedly installed on the air outlet of the fan (9), and the far end of the hot air pipe (8) is connected to the drying treatment box (1).

6. The novel composite heating low-temperature drying equipment according to claim 5, characterized in that, The electromagnetic hot air blower (7) is equipped with a control module (11).