Ash hopper heat preservation device of sinter plate dust remover

Abstract

The utility model discloses a thermal insulation device for an ash bucket of a sinter plate dust remover, which comprises the ash bucket fixed at the bottom of a dust remover body, a thermal insulation shell is arranged outside the ash bucket, an interlayer is arranged between the ash bucket and the thermal insulation shell, a detachable cover plate is arranged at the top of the interlayer, and a bottom plate is fixed at the bottom of the interlayer; a heating cable is arranged in the interlayer, the heating cable is spirally distributed in the interlayer, the interlayer is further filled with sand materials, and the heating cable is embedded in the sand materials; an interlayer is arranged in the ash hopper, a plurality of uniformly distributed discharging doors are formed in the bottom plate, a junction box is fixed on the outer wall of the heat preservation shell, the junction box is connected with a heating cable in the interlayer, and a heat preservation layer is further adhered and fixed on the outer wall of the heat preservation shell. The heating cable is buried in the sand material, and the cable heats the ash bucket by heating the sand material, so that the ash bucket is heated more uniformly, and the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic burning plate dust removal equipment, especially to a plastic burning plate dust remover ash bucket heat preservation device. BACKGROUND

[0002] The plastic burning plate dust remover is full name "plastic burning plate filter core type dust remover", and the specific principle is that dust-containing airflow enters the dust gas chamber of the middle box through the guide plate at the dust gas inlet, and the gas purified through the sintering plate is discharged through the fan. With the increase of dust blocked on the surface coating of the sintering plate, the ash removal control system of the timed or differential pressure working mode will automatically open the quick-opening pulse valve, and effectively remove the dust on the surface of the sintering plate through compressed air. The dust sprayed falls into the ash bucket under the action of gravity and is discharged. This kind of equipment has the advantages of high dust removal efficiency, long service life and efficient ash removal.

[0003] The ash bucket of the plastic burning plate dust remover needs to be heat preserved. The main purpose of heat preservation is to prevent the condensation and dew of flue gas in the equipment due to the temperature difference between inside and outside, causing the equipment to rot and the powder to agglomerate, affecting the normal operation of the equipment and the falling of the powder. In addition, heat preservation can also play the role of heat insulation and sound insulation, preventing external influence and interference.

[0004] Nowadays, two ways of steam heating and electric heating are mainly used to heat and preserve the outer wall of the ash bucket. Among them, steam preservation needs to consider many factors such as steam source, steam temperature and pipeline construction, and its use range is limited. Electric heating preservation is simple, efficient, energy-saving and environmentally friendly, and is widely welcomed. The existing electric heating structure of the ash bucket generally uses heating pipes or heating cables to heat and is covered with a heat preservation layer. Although this method has a simple structure, the ash bucket is an inverted cone or cone structure, so the distribution of the electric heating pipe on the surface of the ash bucket is sparse at the top and dense at the bottom, which easily causes the temperature to be low at the top and high at the bottom of the ash bucket, and the phenomenon of uneven heating of the ash bucket. The ash bucket is generally a single wall panel, and the electric heating pipe is closely attached to the ash bucket wall panel, so the heat preservation effect of the heat preservation layer is limited, and the electric heating pipe often operates for a long time and is difficult to reach the required temperature. In addition, the heat preservation layer is directly arranged outside the electric heating pipe, which has a line safety hazard and needs regular maintenance. Once it needs to be repaired and replaced, the heat preservation layer needs to be completely removed, which is a problem. UTILITY MODEL CONTENTS

[0005] The utility model provides a plastic burning plate dust remover ash bucket heat preservation device, sets up the interlayer in the ash bucket and the heat preservation shell, adds sand in the interlayer, and the heating cable is buried in the sand, so that the ash bucket is heated more evenly and has high safety, so as to improve the above problems.

[0006] The utility model is realized through the following technical schemes:

[0007] The utility model relates to a kind of plastic burning plate dust catcher ash bucket heat preservation device, including the ash bucket fixed in the bottom of dust catcher body, the ash bucket is equipped with heat preservation shell, interlayer is equipped between the ash bucket with the heat preservation shell, the top of the interlayer is equipped with detachable cover, interlayer bottom is fixed with bottom plate;Heating cable is equipped in the interlayer, the heating cable is distributed in spiral in interlayer, the interlayer is also filled with sand, and the heating cable is buried in sand;Several evenly distributed discharge gates are opened in the bottom plate, terminal box is fixed on the outer wall of heat preservation shell, and the terminal box is connected with the heating cable in interlayer, and the outer wall of heat preservation shell is also fixed with heat preservation layer.

[0008] Further optimization, the inner wall of the heat preservation shell is equipped with several wiring boards that can slide up and down, several fixed rods are fixed on each wiring board, the fixed rods on each wiring board are different in height, a positioning ring is fixed on each fixed rod, and the heating cable is sequentially arranged in the positioning rings on all wiring boards, and the heating cable is distributed in spiral as a whole.

[0009] Further optimization, the inner wall of the heat preservation shell is equipped with several grooves, and the wiring boards are inserted into the grooves and can slide up and down.

[0010] Further optimization, the wiring board is provided with 3-6.

[0011] Further optimization, a spiral threading pipe is fixed in the interlayer between the ash bucket and the heat preservation shell, the spiral threading pipe is buried in sand, and the heating cable is arranged in the spiral threading pipe.

[0012] Further optimization, the spiral threading pipe is made of metal.

[0013] Further optimization, the bottom of the heat preservation shell is flush with the bottom of the ash bucket, and the height of the heat preservation shell is 1 / 2 to 2 / 3 of the height of the ash bucket.

[0014] Further optimization, the sand is quartz sand.

[0015] Further optimization, the heat preservation layer is made of rock wool or glass wool.

[0016] The utility model has the advantages that:

[0017] The new type adopts double-layer structure, a sandwich layer is arranged between the ash bucket and the heat preservation shell, sand is added in the sandwich layer, the heating cable is buried in the sand, the cable heats the ash bucket by heating the sand, and the ash bucket is heated more uniformly.

[0018] In the new type, the heating cable does not contact the heat preservation layer, safety is higher, and even if the line is aged, a fire will not be caused.

[0019] In the new type, two cable construction and installation structures are provided, each has advantages, one directly buries the cable in the sand, heating effect is better, and is more suitable for ladder-shaped and small and medium-sized dust collector ash bucket heat preservation, and the other buries the whole metal threading pipe in the sandwich layer, and is more suitable for conical and medium and large dust collector ash bucket heat preservation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the new type.

[0021] Figure 2 It is a schematic diagram of the cross section of the ash bucket and the heat preservation shell.

[0022] Figure 3 It is a schematic diagram of the structure of the chute and the wiring board.

[0023] Figure 4 It is a schematic diagram of the cross section of the ash bucket and the heat preservation shell in the embodiment 2 of the new type.

[0024] In the drawing: 1, dust collector; 2, ash bucket; 3, heat preservation shell; 31, heat preservation layer; 32, chute; 41, bottom plate; 42, cover plate; 421, fixed plate; 43, discharge port; 44, ash discharge port; 5, sandwich layer; 51, sand; 6, threading pipe; 7, junction box; 8, wiring board; 81, positioning ring; 82, fixed rod; 9, heating cable. DETAILED DESCRIPTION

[0025] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. In the description of this invention, it should be noted that the terms "left," "right," "front," "rear," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description. They 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, and therefore should not be construed as a limitation of the present invention. Example 1

[0026] like Figures 1-3 As shown, this utility model provides a heat preservation device for the ash hopper of a sintered plate dust collector, including an ash hopper 2 fixed to the bottom of the dust collector 1 body, an insulation shell 3 outside the ash hopper 2, and an interlayer 5 between the ash hopper 2 and the insulation shell 3. The top of the interlayer 5 is provided with a detachable cover plate 42, and the bottom of the interlayer 5 is fixed with a base plate 43. The cover plate 42 is divided into two parts, located on both sides of the ash hopper, which are joined together and cover the interlayer. They are fixed to each other by a fixing plate 421. The cover plate is inclined outward to prevent rainwater from entering the interlayer.

[0027] The interlayer 5 is equipped with heating cables 9, which are spirally distributed within the interlayer. The interlayer 8 is also filled with sand 51, and the heating cables 9 are buried within the sand 51. The heating cables do not contact the insulation layer, which enhances safety and prevents fires even if the wiring ages.

[0028] Heating cables heat the sand, which then heats and keeps the ash hopper warm, ensuring more even heating. The sand also has some moisture absorption; when the equipment is completely shut down and the insulation device cools to room temperature, the alternating hot and cold temperatures can easily cause condensation inside. The sand absorbs this moisture, preventing corrosion of the ash hopper's outer wall. The absorbed moisture evaporates naturally before the next heating cycle. Furthermore, the sand provides insulation within the jacket, slowing heat dissipation from the ash hopper once the specified temperature is reached. This allows the heating to be shut off earlier when the dust collector is stopped, resulting in greater efficiency and energy savings.

[0029] The base plate 41 has several evenly distributed unloading doors 43. A junction box 7 is fixed on the outer wall of the insulation shell 3. The junction box 7 is connected to the heating cable 9 in the interlayer. An insulation layer 31 is also adhered to the outer wall of the insulation shell 3. The unloading doors are used to discharge sand when replacing the heating cable. The junction box is connected to the heating cable for power supply and control. The insulation layer is used to insulate the interlayer and reduce heat loss.

[0030] As a preferred embodiment, the inner wall of the heat preservation shell 3 is provided with several wiring boards 8 which can slide up and down, each of the wiring boards 8 is fixed with several fixed rods 82, the fixed rods 82 on each wiring board are different in height, and each of the fixed rods is fixed with a positioning ring 81, the heating cable is sequentially arranged in the positioning rings 81 on all the wiring boards, and the heating cable is distributed in a spiral shape as a whole.

[0031] Because the interlayer is narrow and it is impossible to manually enter for wiring, a structure for facilitating the construction of the heating cable is provided, several wiring boards 8 which can slide up and down are arranged on the inner wall of the heat preservation shell, the wiring boards are pulled out during wiring, then the heating cable is sequentially arranged in the positioning rings 81, the wiring boards are inserted back into the interlayer, and the cable is tightened, the fixed rods and the positioning rings are different in height, and the purpose is to make the arranged cable be distributed in a spiral shape, and finally the sand material is poured into the interlayer, and attention should be paid to slow and uniform pouring to avoid damaging the cable.

[0032] As a preferred embodiment, as shown in Figure 3 the inner wall of the heat preservation shell 3 is provided with several sliding grooves 32, and the wiring boards 8 are inserted in the sliding grooves 32 and can slide up and down. During actual construction, several limiting hooks are simply arranged to play the role of the sliding grooves.

[0033] As a preferred embodiment, the wiring boards 8 are provided with 3-6 wiring boards, which are flexibly arranged according to the size of the hopper, and the purpose is to cooperate with the fixed rods 82 and the positioning rings 81 to play the role of positioning the heating cable.

[0034] As a preferred embodiment, the bottom of the heat preservation shell 3 is flush with the bottom of the hopper 2, the height of the heat preservation shell 3 is 1 / 2 to 2 / 3 of the height of the hopper, and the hopper heat preservation device is generally arranged in the middle and lower part of the hopper.

[0035] As a preferred embodiment, the sand material 51 is quartz sand, the hopper is heated to above 120 degrees, the quartz sand has stable performance and high melting point, and is not easy to be caked after repeated cold and hot use.

[0036] As a preferred embodiment, the heat preservation layer 31 adopts rock wool or glass wool to slow down the heat dissipation.

[0037] In example 1, the heating cable is positioned by the flexibly arranged wiring boards and positioning rings, and the heating cable is directly buried in the sand material, and the heating effect is better. During maintenance and replacement, the sand material needs to be unloaded from the discharge door, and after the cable is replaced, the sand material is refilled, and it is more suitable for ladder-shaped and small and medium-sized dust collector hoppers. Example 2

[0038] As shown in Figure 4As shown, as a preferred embodiment, a spiral threading pipe 6 is fixed in the interlayer between the ash bucket 2 and the heat preservation shell 3, the spiral threading pipe can be fixed on the ash bucket or the heat preservation shell, the spiral threading pipe is buried in the sand, the heating cable 9 is threaded in the spiral threading pipe, the spiral threading pipe is made of metal and has good heat conductivity.

[0039] The structure is more suitable for the conical and medium-large dust collector ash bucket, and the whole metal threading pipe is buried in the interlayer for wiring, and the sand does not need to be discharged during maintenance and replacement, and the threading can be directly performed in the metal threading pipe.

[0040] The unexplained parts of the utility model are the known technology of the technical personnel in the technical field. Finally, it is explained that the above examples are used to explain the technical scheme of the utility model and are not limited. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced, without departing from the purpose and scope of the utility model technical scheme, which should be covered in the claim range of the utility model.

Claims

1. A sintered plate dust collector ash hopper heat preservation device, comprising an ash hopper fixed at the bottom of a dust collector body, characterized in that: The ash bucket is externally provided with a heat preservation shell, a sandwich is arranged between the ash bucket and the heat preservation shell, a detachable cover plate is arranged at the top of the sandwich, and a bottom plate is fixed at the bottom of the sandwich; A heating cable is arranged in the sandwich, the heating cable is spirally distributed in the sandwich, and the sandwich is further filled with sand, and the heating cable is embedded in the sand; A plurality of uniformly distributed discharge doors are arranged on the bottom plate, a junction box is fixed on the outer wall of the heat preservation shell, the junction box is connected with the heating cable in the sandwich, and a heat preservation layer is further fixed on the outer wall of the heat preservation shell.

2. The sintered plate dust collector ash bucket heat preservation device according to claim 1, characterized in that: A plurality of wiring boards that can slide up and down are arranged on the inner wall of the heat preservation shell, a plurality of fixing rods are fixed on each of the wiring boards, the fixing rods on each of the wiring boards are different in height, a positioning ring is fixed on each of the fixing rods, the heating cable is sequentially arranged in the positioning rings on all the wiring boards, and the heating cable is spirally distributed as a whole.

3. The sintered clay panel precipitator hopper insulating device according to claim 2, wherein: A plurality of sliding grooves are arranged on the inner wall of the heat preservation shell, and the wiring boards are slidably inserted into the sliding grooves.

4. The plastic-burned plate dust collector ash bucket heat preservation device according to claim 3, characterized in that: The wiring board is provided with 3-6 wiring boards.

5. The sintered clay panel precipitator hopper insulating device according to claim 1, wherein: A spiral threading pipe is fixed in the sandwich between the ash bucket and the heat preservation shell, the spiral threading pipe is embedded in the sand, and the heating cable is arranged in the spiral threading pipe.

6. The plastic-burned plate dust collector ash bucket heat preservation device according to claim 5, characterized in that: The spiral threading pipe is made of metal.

7. The sintered clay panel precipitator hopper insulating device according to claim 1, wherein: The bottom of the heat preservation shell is flush with the bottom of the ash bucket, and the height of the heat preservation shell is 1 / 2 to 2 / 3 of the height of the ash bucket.

8. The sintered clay panel precipitator hopper insulation device according to claim 1, wherein: The sand is quartz sand.

9. The sintered clay panel precipitator hopper insulating device according to claim 1, wherein: The heat preservation layer is made of rock wool or glass wool.

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