CN212246739U - Built-in heat exchanger sludge drying device - Google Patents
Built-in heat exchanger sludge drying device Download PDFInfo
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- CN212246739U CN212246739U CN202020354895.XU CN202020354895U CN212246739U CN 212246739 U CN212246739 U CN 212246739U CN 202020354895 U CN202020354895 U CN 202020354895U CN 212246739 U CN212246739 U CN 212246739U
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Abstract
The utility model relates to the technical field of sludge drying, and discloses a built-in heat exchanger sludge drying device, which comprises a sludge strip extruding machine, a drying box body and a dry sludge hopper, wherein a mesh belt transmission device is arranged on the drying box body; the sludge drying device adopts the built-in heat exchanger and has the advantages of compact structure, high heat efficiency, high drying speed and small occupied area.
Description
Technical Field
The utility model relates to a sludge drying technical field, concretely relates to built-in heat exchanger sludge drying device.
Background
Along with the development of social economy and cities in China, municipal sludge, electroplating sludge, pharmaceutical sludge, papermaking sludge, food production sludge, chemical sludge and other units can generate a large amount of sludge, a sludge drying device is needed during sludge treatment, the traditional sludge drying device is a mesh belt drying device, is suitable for continuous drying of sludge, and has the advantage of keeping the operation condition constant in the whole drying process. However, since the heat exchangers of the conventional drying device are all arranged externally and a large number of air pipes are needed to be matched with the heat exchangers, the heat loss on the heat exchangers and the circulating air pipes is large, the difficulty in field installation and construction is high, and the occupied area of the whole drying system is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a built-in heat exchanger sludge drying device, this sludge drying device adopt built-in heat exchanger, have compact structure, the thermal efficiency is high, drying rate is fast, area is little advantage.
In order to achieve the above object, the present invention provides the following technical solutions:
a built-in heat exchanger sludge drying device comprises a sludge strip extruding machine, a drying box body and a dry sludge hopper, wherein a mesh belt transmission device is arranged on the drying box body, a built-in heat exchanger is arranged in the drying box body, and the built-in heat exchanger is arranged below the mesh belt transmission device.
In the present invention, preferably, the built-in heat exchanger is connected to a circulating air system.
The utility model discloses in, it is preferred, the circulated air system is including circulation air-supply line, circulating fan and circulation air-out pipe, the built-in heat exchanger air outlet of circulation air-supply line intercommunication reaches the circulating fan air intake.
The utility model discloses in, it is preferred, circulation goes out a tuber pipe and connects an external auxiliary heat exchanger, external auxiliary heat exchanger intercommunication built-in heat exchanger.
In the present invention, preferably, the drying box further has a moisture removing system.
The utility model discloses in, preferred, guipure transmission includes a plurality of parallel staggered arrangement's guipure drive mechanism, and two adjacent guipure drive mechanism direction of transfer are opposite.
In the present invention, preferably, the mesh belt transmission mechanism includes a conveying mesh belt.
The utility model discloses in, preferred, conveying mesh belt top still is equipped with mud and turns over and sweeps the mechanism.
The utility model discloses in, preferred, mud turns over sweeps the mechanism including locating the multiunit of conveying mesh belt top turns over sweeps the frame, turn over and sweep the frame and go up equidistant a plurality of shovels of sweeping of turning over of locating.
The utility model discloses in, preferred, the multiunit turn over and sweep the frame and pass through the chain and connect, wherein a set of turn over and sweep the frame and be connected with driving motor.
Compared with the prior art, the beneficial effects of the utility model are that:
the sludge drying device adopts the built-in heat exchanger, and has the advantages of compact structure, high thermal efficiency, high drying speed and small occupied area; the drying device is particularly suitable for drying granular sludge (the water content of the sludge is 40-80%) with good air permeability of strip-extruding sludge, and drying pasty sludge (the water content is 80-90%) after being formed by a special strip-extruding machine.
Drawings
Fig. 1 is a schematic structural view of a sludge drying apparatus with a built-in heat exchanger according to the present embodiment.
Fig. 2 is a schematic structural diagram of a sludge sweeping mechanism in the sludge drying device with a built-in heat exchanger according to the embodiment.
Fig. 3 is a plan view of a sludge sweeping mechanism in the sludge drying apparatus with a built-in heat exchanger according to the present embodiment.
Fig. 4 is a cross-sectional view at AA of fig. 3.
In the drawings: 1-sludge strip extruding machine, 2-drying box, 3-dry sludge hopper, 4-mesh belt transmission device, 5-built-in heat exchanger, 6-circulating air system, 61-circulating air inlet pipe, 62-circulating fan, 63-circulating air outlet pipe, 7-external auxiliary heat exchanger, 8-moisture discharging system, 9-sludge sweeping mechanism, 91-sweeping frame, 92-sweeping shovel and 93-driving motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a preferred embodiment of the present invention provides a sludge drying device with a built-in heat exchanger, which has the advantages of compact structure, high thermal efficiency, fast drying speed, and small occupied area.
Specifically, the sludge drying device comprises a sludge strip extruding machine 1, a drying box body 2 and a dry sludge hopper 3, wherein a mesh belt transmission device 4 is arranged on the drying box body 2, a built-in heat exchanger 5 is arranged in the drying box body 2, and the built-in heat exchanger 5 is arranged below the mesh belt transmission device 4.
Further, the built-in heat exchanger 5 is connected with a circulating air system 6, and the circulating air system 6 provides circulating air for the built-in heat exchanger 5; the built-in heat exchanger 5 can directly transmit heat to sludge to be dried through heat radiation, so that each layer of sludge is uniformly heated and drying is accelerated, and heat loss is reduced through short-distance transmission.
In the present embodiment, the circulating air system 6 includes a circulating air inlet pipe 61, a circulating fan 62 and a circulating air outlet pipe 63, and the circulating air inlet pipe 61 communicates with the air outlet of the built-in heat exchanger 5 and the air inlet of the circulating fan 62; the circulating air outlet pipe 63 is connected with an external auxiliary heat exchanger 7, and the external auxiliary heat exchanger 7 is communicated with the internal heat exchanger 5; the built-in heat exchanger 5 and the external auxiliary heat exchanger 7 work together to improve the heat exchange efficiency.
In this embodiment, the drying box 2 is further provided with a moisture removing system 8, specifically, the moisture removing system 8 comprises a moisture removing air pipe, an exhaust fan and the like, and moisture generated in the sludge drying process is discharged out of the drying box 2 through the moisture removing air pipe.
The mesh belt transmission device 4 comprises a plurality of mesh belt transmission mechanisms 41 which are arranged in parallel and staggered, and the transmission directions of two adjacent mesh belt transmission mechanisms 41 are opposite; the mesh belt transmission mechanism 41 comprises a conveying mesh belt 411 and a driving mechanism, the driving mechanism is a motor, and the motor works to drive a fixed shaft of the conveying mesh belt 411 to rotate, so that the conveying mesh belt 411 is driven to move, and sludge conveying is realized.
In this embodiment, three sets of mesh belt transmission mechanisms 41 are arranged in parallel from high to low, and the three sets of mesh belt transmission mechanisms 41 are sequentially transmitted, so that the transmission time of the sludge in the drying box 2 is prolonged.
The working principle is as follows:
wet sludge is extruded into particles by a strip extruder 1, then the particles are spread on a mesh belt transmission device 4 in a drying box body 2, heat is transmitted to the surface of the wet sludge through a circulating air system 6 and a built-in heat exchanger 5, the wet sludge is quickly dried on a mesh belt, and dried sludge is discharged from a dry sludge hopper 3 through the mesh belt transmission device 4 to form a dry sludge finished product; the sludge drying is heated evenly, and this device stable performance, granule are even, production efficiency is high.
Another preferred embodiment of the present invention provides a built-in sludge drying device for heat exchanger, wherein a sludge sweeping mechanism 9 is further disposed above the conveying mesh belt 411; the sludge sweeping mechanism 9 comprises a plurality of groups of sweeping frames 91 arranged above the conveying mesh belt 411, and the sweeping frames 91 are arranged on a plurality of sweeping shovels 92 at equal intervals; the multiple groups of the overturning and sweeping frames 91 are connected through chains, wherein one group of the overturning and sweeping frames 91 is connected with a driving motor 93.
The driving motor 93 works to drive the turning and sweeping shovel 92 to rotate, and the turning and sweeping shovel 92 turns up the sludge spread on the mesh belt transmission device 4, so that the sludge on the upper layer and the lower layer is uniformly heated, the heated area of the sludge is increased, and the sludge drying is accelerated.
The utility model discloses a third preferred embodiment provides a built-in heat exchanger sludge drying device, and its each group turns over and is provided with the push pedal after sweeping the frame 91, push pedal fixed mounting can be with turning over to sweep the mud that shovel 92 turned up and push away the tie in conveying mesh belt 411 top, prevents that mud from piling up.
The sludge drying device is particularly suitable for drying the granular sludge (the water content of the sludge is 40-80%) with good air permeability of the strip-extruding sludge, and drying the pasty sludge (the water content is 80-90%) after being formed by a special strip-extruding machine
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. The built-in heat exchanger sludge drying device comprises a sludge strip extruding machine (1), a drying box body (2) and a dry sludge hopper (3), wherein a mesh belt transmission device (4) is arranged on the drying box body (2), and is characterized in that a built-in heat exchanger (5) is arranged in the drying box body (2), and the built-in heat exchanger (5) is arranged below the mesh belt transmission device (4).
2. The sludge drying device with built-in heat exchanger as claimed in claim 1, wherein the built-in heat exchanger (5) is connected with a circulating air system (6).
3. The built-in heat exchanger sludge drying device according to claim 2, wherein the circulating air system (6) comprises a circulating air inlet pipe (61), a circulating fan (62) and a circulating air outlet pipe (63), and the circulating air inlet pipe (61) is communicated with the air outlet of the built-in heat exchanger (5) and the air inlet of the circulating fan (62).
4. The sludge drying device with built-in heat exchanger as claimed in claim 3, wherein the circulating air outlet pipe (63) is connected with an external auxiliary heat exchanger (7), and the external auxiliary heat exchanger (7) is communicated with the built-in heat exchanger (5).
5. The sludge drying device with built-in heat exchanger as claimed in claim 1, wherein the drying box (2) is further provided with a moisture discharging system (8).
6. The sludge drying device of the built-in heat exchanger as recited in claim 1, wherein the mesh belt transmission device (4) comprises a plurality of mesh belt transmission mechanisms (41) which are arranged in parallel and staggered, and the transmission directions of two adjacent mesh belt transmission mechanisms (41) are opposite.
7. The sludge drying device of the built-in heat exchanger as claimed in claim 6, wherein the mesh belt transmission mechanism (41) comprises a conveying mesh belt (411).
8. The sludge drying device of the built-in heat exchanger as recited in claim 7, characterized in that a sludge sweeping mechanism (9) is further arranged above the conveying mesh belt (411).
9. The sludge drying device of the built-in heat exchanger as recited in claim 8, wherein the sludge sweeping mechanism (9) comprises a plurality of sets of sweeping frames (91) arranged above the conveying mesh belt (411), and a plurality of sweeping shovels (92) are arranged on the sweeping frames (91) at equal intervals.
10. The sludge drying device with built-in heat exchanger as claimed in claim 9, wherein a plurality of groups of the turnover frames (91) are connected by chains, wherein a driving motor (93) is connected to one group of the turnover frames (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020354895.XU CN212246739U (en) | 2020-03-19 | 2020-03-19 | Built-in heat exchanger sludge drying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020354895.XU CN212246739U (en) | 2020-03-19 | 2020-03-19 | Built-in heat exchanger sludge drying device |
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| CN212246739U true CN212246739U (en) | 2020-12-29 |
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| CN202020354895.XU Active CN212246739U (en) | 2020-03-19 | 2020-03-19 | Built-in heat exchanger sludge drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925215A (en) * | 2022-11-18 | 2023-04-07 | 盐城市泉通环保设备有限公司 | Sludge treatment device and working method thereof |
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2020
- 2020-03-19 CN CN202020354895.XU patent/CN212246739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925215A (en) * | 2022-11-18 | 2023-04-07 | 盐城市泉通环保设备有限公司 | Sludge treatment device and working method thereof |
| CN115925215B (en) * | 2022-11-18 | 2023-09-12 | 盐城市泉通环保设备有限公司 | Sludge treatment device and working method thereof |
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