CN213944306U - Waste silica gel processing device formed by paddle type dryer and disc type calcining furnace - Google Patents

Abstract

The utility model relates to a useless silica gel processingequipment that blade formula desicator and disc calcining furnace constitute, including first device main part and second device main part, the upper end of first device main part is equipped with silica gel adsorbent and throws into mouth and flue gas discharge port, be connected with a plurality of little drying tray and the big drying tray of a plurality of on the inner wall of first device main part, a plurality of little drying tray and the big drying tray of a plurality of upper and lower alternate distribution, the upper end of second device main part is equipped with pan feeding mouth and gas vent, and the lower extreme of second device main part is equipped with the bin outlet, be connected with the second motor on the lateral wall of second device main part, and swing joint has the quill shaft on the second device main part inner wall, be connected with a plurality of blade formula blade on the quill shaft. The waste silica gel processing device formed by the paddle type dryer and the disc type calcining furnace can recycle waste heat of generated high-temperature flue gas when silica gel is dried and calcined, reduces the loss of heat energy and increases the production efficiency.

Description

Waste silica gel processing device formed by paddle type dryer and disc type calcining furnace

Technical Field

The utility model belongs to the technical field of silica gel regeneration, concretely relates to blade dryer and waste silica gel processing device that burning furnace constitutes are forged to disc.

Background

The silica gel has the alias: the silicic acid gel is a high-activity adsorption material and belongs to an amorphous substance. The main component of the silica gel is silicon dioxide, and the silica gel is stable in chemical property and does not burn. Inorganic silica gel is a high-activity adsorbing material, and is usually prepared by reacting sodium silicate with sulfuric acid, and performing a series of post-treatment processes such as aging, acid soaking and the like. Silica gel is an amorphous substance and has a chemical molecular formula of mSiO2.nH 2O. Insoluble in water and any solvent, non-toxic, odorless, stable in chemical property, and non-reactive with any substance except strong alkali and hydrofluoric acid. Different types of silica gel form different microporous structures due to different manufacturing methods. The chemical composition and physical structure of silica gel determine that the silica gel has the characteristics of difficult substitution of other similar materials: the adsorbent has high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like, and is used as a drying agent, a humidity regulator, a deodorant and the like for families; the catalyst is industrially used as an oil hydrocarbon decolorant, a catalyst carrier, a pressure swing adsorbent and the like; separating and purifying agent for fine chemical industry, beer stabilizer, paint thickener, toothpaste friction agent, delustering agent, etc.

Silica gel is a common adsorbent in a lubricating oil regeneration technology, after the silica gel is used, a large amount of oil can be contained in the silica gel, the properties of the silica gel are stable, the oil contained in the silica gel can be burnt and removed in a calcining mode and the like, but the oil content in the oil-containing silica gel is high, the oil-containing silica gel is directly processed in a calcining mode, so that the large amount of oil cannot be recycled, the resource waste is large, most of the oil in the oil-containing silica gel is extracted by adopting boiling point stripping, the silica gel containing oil and water is obtained, the oil content in the silica gel is greatly reduced, the loss of oil resources can be reduced when the silica gel is dried and calcined, at present, high-temperature flue gas generated when the silica gel is dried and calcined is mostly directly discharged, the heat energy cannot be recycled, and the large amount of heat energy loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, reasonable in design's a waste silica gel processingequipment that blade formula desicator and disc calcining furnace constitute for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a waste silica gel processing device composed of a paddle type dryer and a disc type calcining furnace comprises a first device main body and a second device main body, wherein a silica gel adsorbent feeding port and a smoke gas discharging port are arranged at the upper end of the first device main body, a plurality of small drying discs and a plurality of large drying discs are connected to the inner wall of the first device main body, the small drying discs and the large drying discs are alternately distributed up and down, a feeding port and a gas discharging port are arranged at the upper end of the second device main body, a discharging port is arranged at the lower end of the second device main body, a second motor is connected to the side wall of the second device main body, a hollow shaft is movably connected to the inner wall of the second device main body, a plurality of paddle type blades are connected to the hollow shaft, an output shaft of the second motor is connected to the hollow shaft, an oil tank is connected to one end of the hollow shaft, a pump body is connected to the oil tank, and a heat exchanger is connected to the pump body, the device comprises a first device body, a second device body and a blade type blade, wherein the first device body is provided with a flue gas outlet, the flue gas outlet is connected with a heat exchanger, the heat exchanger is connected with the other end of the hollow shaft, a natural gas burner is connected to the position, close to the bottom, of the outer wall of the first device body, an air blower is connected to the natural gas burner, a circulation groove is arranged in the blade type blade, and the circulation groove is communicated with the inner space of the hollow shaft.

As the utility model discloses a further optimization scheme, be connected with first connecting pipe between heat exchanger and the hollow shaft, be connected with the second connecting pipe between oil tank and the hollow shaft.

As the utility model discloses a further optimization scheme, the port department of first connecting pipe and second connecting pipe all is connected with the spacing ring, the both ends of quill shaft all are equipped with the spacing groove with spacing ring matched with.

As a further optimization scheme of the utility model, the parcel has the cavity zone of heating on the second device main part outer wall, and the one end and the first connecting pipe of cavity zone of heating are connected, and the other end and the second connecting pipe of cavity zone of heating are connected.

As the utility model discloses a further optimization scheme, the upper end of first device main part is connected with first motor, and silica gel adsorbent input mouth and flue gas discharge port symmetric distribution are in the both sides of first motor, the lower extreme of first device main part is equipped with the discharge gate, be connected with the pivot on the output shaft of first motor, be connected with a plurality of and little drying tray matched with first harrow arm and with big drying tray matched with second harrow arm in the pivot.

As a further optimization scheme of the utility model, be equipped with the blanking clearance between little drying tray and the first device main part, the well pivot runs through little drying tray, the middle part of big drying tray is equipped with the blanking hole, connect through the connecting rod between little drying tray and the first device main part.

As a further optimization scheme of the utility model, be connected with a plurality of extrapolation formula harrow leaf on the first harrow arm, be connected with the interior pushing-type harrow leaf of a plurality of on the second harrow arm.

The beneficial effects of the utility model reside in that:

1) the utility model discloses throw into silica gel from silica gel adsorbent input mouth and carry out the drying calcination in the first device main part, the high temperature flue gas that dry calcination in-process produced is inputed into the heat exchanger from the air inlet, the pump body begins to carry the conduction oil in the oil tank to the heat exchanger this moment, heat conduction oil absorbs the heat of high temperature flue gas and inputs in quill shaft and the paddle formula blade in the second device main part, make the temperature in paddle formula blade and the second device main part rise, then throw into the second device main part in the silica gel of waiting to process in addition from the pan feeding mouth, and control the work of second motor, second motor drive quill shaft drives paddle formula blade rotation, paddle formula blade drives silica gel and removes to discharge gate department when the pivoted, paddle formula blade and silica gel carry out abundant contact when removing, can carry out abundant drying to silica gel, silica gel after the drying inputs and carries out further drying calcination in the first device main part, the energy can be utilized to the maximum extent, the energy loss is reduced, the production efficiency of the silica gel is increased, and the silica gel can be dried and calcined more thoroughly;

2) the paddle type blades in the utility model are wedge-shaped blades, the heat transfer surface of the wedge-shaped blades has a self-cleaning function, the relative movement of material particles and the wedge surface generates a washing effect, attachments on the wedge surface can be washed away, the clean heat transfer surface is always kept in trial operation, the maintenance times and the maintenance and cleaning cost of the device can be effectively reduced, the device can be ensured to work for a long time, and the production efficiency is effectively improved;

3) the utility model discloses simple structure, stability is high, reasonable in design, the realization of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a view of the hollow shaft and the first connecting pipe of the present invention in cooperation.

In the figure: 1. a first device main body; 101. a silica gel adsorbent inlet; 102. a flue gas outlet; 103. a first motor; 104. a middle rotating shaft; 105. a small drying tray; 106. a first rake arm; 107. a large drying tray; 108. a second rake arm; 109. a connecting rod; 110. a discharge port; 2. a second device main body; 201. a feeding port; 202. an exhaust port; 203. a discharge outlet; 204. a second motor; 205. a hollow shaft; 206. a paddle blade; 207. a hollow heating layer; 208. a first connecting pipe; 209. a second connecting pipe; 210. a limiting ring; 3. a natural gas burner; 4. a blower; 5. an oil tank; 6. a pump body; 7. a heat exchanger.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Example 1

As shown in fig. 1-2, a waste silica gel processing device composed of a paddle dryer and a disc calciner comprises a first device body 1 and a second device body 2, the upper end of the first device body 1 is provided with a silica gel adsorbent feeding port 101 and a flue gas discharging port 102, the inner wall of the first device body 1 is connected with a plurality of small drying discs 105 and a plurality of large drying discs 107, the plurality of small drying discs 105 and the plurality of large drying discs 107 are alternately distributed up and down, the upper end of the second device body 2 is provided with a feeding port 201 and an exhaust port 202, the lower end of the second device body 2 is provided with a discharging port 203, the side wall of the second device body 2 is connected with a second motor 204, the inner wall of the second device body 2 is movably connected with a hollow shaft 205, the hollow shaft 205 is connected with a plurality of paddle type blades 206, the output shaft of the second motor 204 is connected with the hollow shaft 205, one end of the hollow shaft 205 is connected with an oil tank 5, the oil tank 5 is connected with the pump body 6, and the pump body 6 is connected with heat exchanger 7, and flue gas discharge port 102 is connected with heat exchanger 7, and heat exchanger 7 is connected with the other end of hollow shaft 205, and the position that is close to the bottom on the outer wall of first device main part 1 is connected with natural gas combustor 3, is connected with air-blower 4 on the natural gas combustor 3, is equipped with the circulation groove in the paddle formula blade 206, and the circulation groove communicates with the inner space of hollow shaft 205.

The paddle type blades 206 are wedge-shaped blades, the heat transfer surfaces of the wedge-shaped blades have a self-cleaning function, relative movement of material particles and the wedge-shaped surfaces generates a washing effect, attachments on the wedge-shaped surfaces can be washed away, the clean heat transfer surfaces are kept all the time in trial operation, maintenance times and maintenance and cleaning cost of the device can be effectively reduced, the device can be ensured to work for a long time, production efficiency is effectively improved, and specific structures can refer to blades in a paddle type dryer.

A first connecting pipe 208 is connected between the heat exchanger 7 and the hollow shaft 205, a second connecting pipe 209 is connected between the oil tank 5 and the hollow shaft 205, the ports of the first connecting pipe 208 and the second connecting pipe 209 are both connected with a limiting ring 210, both ends of the hollow shaft 205 are both provided with limiting grooves matched with the limiting ring 210, the outer wall of the second device main body 2 is wrapped with a hollow heating layer 207, one end of the hollow heating layer 207 is connected with the first connecting pipe 208, and the other end of the hollow heating layer 207 is connected with the second connecting pipe 209.

The flow direction of the heat conduction oil is as follows: the oil tank 5-the pump body 6-the heat exchanger 7-the first connecting pipe 208-the hollow shaft 205-the paddle blade 206, the hollow heating layer 207-the second connecting pipe 209-the oil tank 5, and the circulation of the heat conducting oil is not affected by the rotation of the hollow shaft 205 and is stable.

The upper end of the first device body 1 is connected with a first motor 103, a silica gel adsorbent feeding port 101 and a flue gas exhaust port 102 are symmetrically distributed on two sides of the first motor 103, a discharge port 110 is arranged at the lower end of the first device body 1, an output shaft of the first motor 103 is connected with a middle rotating shaft 104, the middle rotating shaft 104 is connected with a plurality of first rake arms 106 matched with the small drying disc 105 and second rake arms 108 matched with the large drying disc 107, a blanking gap is arranged between the small drying disc 105 and the first device body 1, the middle rotating shaft 104 penetrates through the small drying disc 105, a blanking hole is arranged in the middle of the large drying disc 107, the small drying disc 105 and the first device body 1 are connected through a connecting rod 109, the first rake arms 106 are connected with a plurality of outward-push type rake blades, and the second rake arms 108 are connected with a plurality of inward-push type rake blades.

After the silica gel falls into the first device main body 1, the first motor 103 drives the rake arms to rotate, the rake arms drive the corresponding rake blades to convey the silica gel from the corresponding drying tray to the next drying tray after rotating, and the silica gel is dried and calcined along with the continuous movement of the silica gel on the drying trays which alternate up and down.

When silica gel is regenerated, silica gel is put into the first device body 1 from the silica gel adsorbent feeding port 101 for drying and calcining, high-temperature flue gas generated in the drying and calcining process is input into the heat exchanger 7 from the air inlet, at the moment, the pump body 6 starts to convey heat conduction oil in the oil tank 5 into the heat exchanger 7, the heat conduction oil absorbs heat of the high-temperature flue gas and then is input into the hollow shaft 205 and the paddle blade 206 in the second device body 2, so that the temperature in the paddle blade 206 and the second device body 2 is increased, then additional silica gel to be processed is put into the second device body 2 from the feeding port 201, the second motor 204 is controlled to work, the hollow shaft 205 is driven by the second motor 204 to drive the paddle blade 206 to rotate, the paddle blade 206 drives the silica gel to move towards the discharging port 110 while rotating, and the paddle blade 206 and the silica gel are in full contact while moving, can carry out abundant drying to silica gel, silica gel input after the drying carries out further drying calcination in the first device main part 1, can be so that the energy maximize utilizes, has reduced the loss of the energy, has also increased the efficiency of silica gel production, also can make silica gel drying calcination more thoroughly simultaneously.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (7)

1. The utility model provides a waste silica gel processingequipment that paddle dryer and disc calcining furnace constitute, includes first device main part (1) and second device main part (2), its characterized in that: the device is characterized in that a silica gel adsorbent feeding port (101) and a smoke exhaust port (102) are arranged at the upper end of the first device main body (1), a plurality of small drying discs (105) and a plurality of large drying discs (107) are connected to the inner wall of the first device main body (1), the small drying discs (105) and the large drying discs (107) are alternately distributed up and down, a feeding port (201) and an exhaust port (202) are arranged at the upper end of the second device main body (2), a discharging port (203) is arranged at the lower end of the second device main body (2), a second motor (204) is connected to the side wall of the second device main body (2), a hollow shaft (205) is movably connected to the inner wall of the second device main body (2), a plurality of paddle type blades (206) are connected to the hollow shaft (205), an output shaft of the second motor (204) is connected to the hollow shaft (205), and an oil tank (5) is connected to one end of the hollow shaft (205), the oil tank (5) is connected with the pump body (6), and the pump body (6) is connected with heat exchanger (7), flue gas discharge port (102) and heat exchanger (7) are connected, heat exchanger (7) and the other end of hollow shaft (205) are connected, the position that is close to the bottom on the outer wall of first device main part (1) is connected with natural gas combustion machine (3), is connected with air-blower (4) on natural gas combustion machine (3), be equipped with the circulation groove in paddle formula blade (206), the inner space intercommunication of circulation groove and hollow shaft (205).

2. The waste silica gel processing apparatus of claim 1, wherein the blade dryer and the disc calciner comprise: a first connecting pipe (208) is connected between the heat exchanger (7) and the hollow shaft (205), and a second connecting pipe (209) is connected between the oil tank (5) and the hollow shaft (205).

3. The waste silica gel processing apparatus of claim 2, wherein the blade dryer and the disc calciner comprise: the port department of first connecting pipe (208) and second connecting pipe (209) all is connected with spacing ring (210), the both ends of quill shaft (205) all are equipped with the spacing groove with spacing ring (210) matched with.

4. The waste silica gel processing apparatus of claim 1, wherein the blade dryer and the disc calciner comprise: the outer wall of the second device main body (2) is wrapped with a hollow heating layer (207), one end of the hollow heating layer (207) is connected with a first connecting pipe (208), and the other end of the hollow heating layer (207) is connected with a second connecting pipe (209).

5. The waste silica gel processing apparatus of claim 1, wherein the blade dryer and the disc calciner comprise: the device is characterized in that the upper end of the first device body (1) is connected with a first motor (103), a silica gel adsorbent feeding port (101) and a smoke exhaust port (102) are symmetrically distributed on two sides of the first motor (103), a discharge port (110) is arranged at the lower end of the first device body (1), an output shaft of the first motor (103) is connected with a middle rotating shaft (104), and the middle rotating shaft (104) is connected with a plurality of first rake arms (106) matched with a small drying disc (105) and second rake arms (108) matched with a large drying disc (107).

6. The waste silica gel processing apparatus of claim 1, wherein the blade dryer and the disc calciner comprise: be equipped with blanking clearance between little drying tray (105) and first device main part (1), well pivot (104) run through little drying tray (105), the middle part of big drying tray (107) is equipped with the blanking hole, connect through connecting rod (109) between little drying tray (105) and the first device main part (1).

7. The waste silica gel processing apparatus of claim 5, wherein the blade dryer and the disc calciner comprise: the first rake arm (106) is connected with a plurality of extrapolation rake blades, and the second rake arm (108) is connected with a plurality of interpolation rake blades.

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