JPS5926336A - Transport vehicle for dangerous granular material - Google Patents

Abstract

PURPOSE:To highten the efficiency of transportation, by integrally providing a cooler and a heater in the halfway part of an introducing pipe connected at one end to the exhaust pipe of an engine and at the other to the discharge section of a granular material tank, to cool and heat exchaust gas at the same time through a compact construction. CONSTITUTION:An introducing pipe 7 is connected at one end to the discharge section of a granular material tank 2 and at the other to the exhaust pipe 6 of an engine 5. A cooler 20 a heater 31 are provided in the halfway part of the introducing pipe 7. In order to discharge a granular material out of the tank 2, a dump cylinder 3 is first elongated to tilt the tank down. Then, shutoff valves 24, 25 in the introducing pipe 7 are opened and a shutoff valve 23 is closed so that exhaust gas from the engine 5 flows into the discharge section 4 through the exhaust pipe 6, the introducing pipe 7 and a primary air supply pipe 8 to fluidize the granular material to discharge it. At that time, the exhaust gas is simultaneously cooled and heated by the cooler 20 and the heater 31 for drying to smaller weight.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a transport vehicle for transporting hazardous powder and granular materials such as pulverized coal using engine exhaust gas.

Conventionally, one end of an inlet pipe is connected to the discharge part of a granular urine storage tank, the exhaust pipe from the engine is connected to the other end of the inlet pipe, and a water scrubber, a cooler, and a heater are successively installed in the middle of the inlet pipe. The transportation equipment for hazardous powder and granular materials is as follows: 1. It has been proposed by llt people.

In such equipment for transporting hazardous powder and granular materials, a heat exchanger is installed in the water tank of the water scrubber, and the water temperature in the water tank (always 80 to 80
5°0) was used as a C heater, and a separate air-cooled cooler was installed as a cooling device, which resulted in problems such as the gap between the heater and cooler's tabs was heavy and the installation space was tedious.

The present invention has been made in view of the above-mentioned problems, and in a transport vehicle that uses engine exhaust gas as a source of air for compressed powder and granules, the engine exhaust gas is cooled and heated using a single air-cooled heat exchanger. It has been designed so that both can be performed at the same time.

Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral (2) denotes a powder transport vehicle, in which a powder storage tank 2 is mounted on a vehicle body 1, and a dump cylinder 6 is interposed between the front part of the powder storage tank 2 and the vehicle body 1.

Reference numeral 4 denotes a discharge portion formed at the lower rear end of the powder storage tank 2. Reference numeral 5 designates the engine of the powder and granular material transportation IT V. One end of the introduction pipe 7 is connected to the middle of the exhaust pipe 6 of the engine 5, and the other end of the introduction pipe 7 is connected to the primary grass supply pipe 8.
and +iiJ discharge 7% via secondary air supply pipe 9 4
is connected to.

A water scrubber 10 brings the introduced engine exhaust gas into contact with water in the water tank 11 to remove impurities from the exhaust gas.

17 is a back pressure air supply pipe, -φ(^1) is connected to the introduction pipe 7, and the other end is connected to the upper part of the powder storage tank 2;
An on-off valve 1B and a gas valve 19 are interposed in the middle thereof.

In addition, 2U is mentioned above! 1 person fI co (・cooler installed in 4 of 7, 23, 24, 25, 26 are on-off valves, 27
゜28 +JDeck valve, 29 is a manhole, 30 is a cyclone, and 31 is a heater.

FIG. 2 shows a specific embodiment of the cooler 20 and heater 61, in which an air-cooled heat exchanger 62 serving as the cooler 20 and heater 31 is installed horizontally.
The same fan 40 is used to blow fresh air from outside.

In other words, this grass-cooled heat exchanger 62 has an interval of 1 on the left and right.
A plurality of cores 65, which have holes at both ends and are connected to each other, are connected to each other, and a plurality of cores 65, which are connected at both ends, are connected to each other. 54
It is composed of partition walls 36 and 37 that partition the inside.

In this embodiment, the engine exhaust gas that has flowed into the lower chamber of the '11 box 36 separated from the meter scrubber 10 by the partition 66 is cooled by contacting the outside air through the core 65. , while Bulkhead from Cyclone 30! The engine exhaust gas flowing into the upper chamber of the pipe box 64 divided by the pipe head 37 contacts the external air heated by heat exchange with the exhaust gas from the water scrubber 10 via the core 65, and further passes through the pipe pipe box 64. It is heated by conductive heat from the lower chamber of the box.

Next, the operation of the present invention will be explained with reference to FIGS. 1 and 2. First, pulverized coal is introduced into the granular material storage tank 2 from the manpole 22 and transported to the destination. Next, the pulverized coal is transported to the destination. When discharging pulverized coal from the granular material storage tank 2, the dump cylinder 6 is extended, the granular material storage tank 2 is tilted, and then the on-off valves 24 and 25 are opened, and the on-off valve 26 is closed. Engine 5, 1. Rino] non-non-gas IJi trachea 6.129 people 1ii: 7, -Next air supply I 1
i'''i4' 8 to 41, discharge II day fis 4 m, (1゛ pulverized coal is converted into exhaust gas τ flow and outside f
? l (+l Jul'11.11' /:). Co I
I) II, 7 > 5) In', in the middle of 57! ”Water Scrubber~1 (1, Cooler 20 Triicron 30
and a heater 31, coarse dust contained in the engine exhaust gas is removed by the meter scrubber 1.
0 and the exhaust gas is removed by water scrubber 1
11 items (65,000→(3QOa)) at 0.

The exhaust gas that has flowed into the lower chamber of the rzi, 'ti'i side 11' passes through the core filter 5...
It is cooled by external air strongly controlled by 0 (
81100-+4iJ Oo) Moisture in the exhaust gas condenses with fine dust particles as nuclei, and flows into the -cyclone 30.

Next, the exhaust gas Gj1 from which moisture and particulate dust have been removed in the cyclone 50 flows into the upper chamber of the pipe box filter 4;
While passing through the core filter 5, the external air, which has been warmed by V by exchanging heat with the treetop gas from the water scrubber, is heated again, and is further heated by conductive heat from the lower chamber of the tube head (ffi). →700(]).As a result, completely dry and clean engine exhaust gas is supplied to the discharge part 4, so that the powder and granule material can be pumped at a constant pressure without deteriorating. Becomes Noh.

As explained above, according to the present invention, since the cooler and heater are integrated in one air-cooled heat exchanger, it is possible to cool and heat the loss gas at the same time.
Since fA is also lighter, more pulverized coal can be transported,
1 yen for pressure feeding work? I can do line 4C.

44 Figure 1 of the drawing, 17i Nori 1, is a 11q composition diagram showing an example of the actual fiGi of the present ζ light,
FIG. 2 is a specific configuration diagram of the cooler and heater of the present invention.

2... Powder number h tank, 4... Discharge section, 5...
...Engine, 6...Exhaust air, 7...Introduction pipe, 8...-σ(empty j% traveling r shield', 10...
Ummeter scrubber, 2o...Cooler, 31.
...Heater, 30...Cyclone, 4U...
·fan.

Claims (1)

[Claims] In a device for transporting hazardous powder and granular materials, in which one end of an introduction pipe is connected to the discharge part of a powder storage tank, and the other end of the introduction pipe is connected to an exhaust pipe from an engine, a During the transportation of hazardous powder and granular materials designated as C by integrating a cooler and heater, 5