RU213047U1 - VACUUM TANK MODULE - Google Patents

Abstract

The vacuum tank module is a cylindrical sealed tank with a rear opening bottom, mounted on its own tipper-type frame, with a pump unit installed on the tank with metal pipeline fittings for loading fluid materials into the tank by self-priming under vacuum. The vacuum tank truck module can work autonomously in the process, be installed on a stationary overpass, and mounted on any vehicle equipped with a truck chassis.

Description

The utility model relates to transport equipment for the transportation, reloading and short-term storage of liquids and viscous-flowing materials in stationary conditions in cylindrical tanks with rigid end walls, specially adapted for unloading by lifting with a turn.

The principal disadvantage of modern vacuum tanks and tanks is the large length of the external suction line and the need to build a flexible hose into the suction line to connect the discharge air duct to the technological neck. The length of the flexible suction hose between the pump unit and the reservoir of the tank or tank increases many times, and the profiling of the route becomes more complicated when the tank is equipped with an opening rear bottom or cover and is installed on the frame of a tipper-type vehicle.

During intensive operation of a vacuum tank or tank with quick unloading of a tipper type, bending stresses and cracks occur on flexible sleeves of air ducts moving after a tilting tank, and with sharp fluctuations in ambient temperature, abrasions, crushing and brittle fracture along the length of the sleeve. As a result, vacuum compressor equipment is endangered and, as a result, the machine with a tank or tank is stopped for repairs.

The purpose of the utility model is to develop a unified range of high-performance vacuum tanks of a modular type for installation on any technological basis in order to perform the function of self-priming intake, short-term storage and discharge of liquid materials and solutions, including through an opening rear bottom in compliance with special requirements for handling hazardous materials .

The utility model uses technical solutions from vacuum tankers of a classical design: a sealed storage tank of a circular cross section, equipped with a pump unit, a self-priming intake mechanism with pressure-suction hoses under vacuum, with an opening bottom for cleaning and maintenance of the tank (А.с. RU 195908 U1; B62D 53/00; 2019.05.29).

The tank uses a quick filling pipeline on the rear bottom of the tank, and the tank itself is equipped with an additional pipeline for draining sludge water (А.с. RU 206837 U1; В60Р 1/56; В60Р 3/22; 15. 2021.06.15).

In the upper part, the utility model tank is equipped with a safety platform for the upper necks with a vertical lift ladder and folding handrails for safe work at height (А.с. RU 204847 U1; B60P 3/22; B61D 5/00; B65D 88/12; 19.01 .2021)

In the device of the utility model, the NPO VECTOR pumping unit is used, which makes it possible to assemble a vacuum compressor and a pressure flushing pump in minimum dimensions (А.с. RU 195345 U1; F04D 13/12; 2019.04.10)

The essence of the utility model is to create a model sample of a vacuum tank module designed for installation on any technological base for long-term, reliable operation in a variety of climatic and technological production conditions.

The technical result of the utility model is a vacuum tank module, including a tipper-type tank frame with cradles for the tank, a sealed metal tank with an opening rear bottom attached to the cradles, a top filling inspection port with signaling and control equipment for internal pressure in the tank tank, a safety platform for servicing the tank from above, a pipeline for a quick suction filling device installed on the rear bottom on the inside of the tank, on the outside of the bottom of the tank there is a butterfly valve and a sludge liquid drain valve with outlets for connecting pressure-suction hoses, a hydraulic station with control equipment and tool boxes with built-in canisters for storage of delivery-suction hoses, mounted on frame cradles on the sides of the tank, characterized in that a pumping unit with a drive device is mounted on the front of the tank on a platform attached to the front bottom and of the pump, the pumping section of the pump is connected to the pipeline fittings of the vacuum-compressor line for suction and purification of the gas-air medium fixed on the front bottom of the tank, the outer pipeline of the suction vacuum line at the tank outlet is made of all-metal and is connected by a flange with a metal suction duct inside the tank, at the outlet of the pump a noise silencer with a catalyst for cleaning the exhaust of the gas-air mixture pumped out of the tank was installed.

In FIG. 1 and FIG. 2 shows the vacuum tank module, respectively, in the horizontal and inclined positions of the tank: 1 - dump tank frame; 2 - lodgements for the tank; 3 - metal tank; 4 - rear bottom of the tank; 5 - inspection neck with signal-control equipment; 6 - security platform; 7 - disk valve; 8 - pressure-suction sleeve; 9 - fast loading pipeline; P vac - pressure of discharge inside the tank; P atm - atmospheric pressure of the environment; 10 - valve for draining the silt liquid; 11 - hydraulic tank; 12 - hydraulic station control equipment; 13 - flow distributor; 14 - front bottom of the tank; 15 - platform; 16 - pumping unit; 17 - pipeline fittings for cleaning the gas-air environment; 18 - external pipeline of the suction line; 19 - internal air duct; 20 - noise suppressor; 21 - exhaust purification catalyst; 22 - tool box with a built-in canister for the suction and delivery sleeve; 23 - pallet; 24 - axis; 25 - telescopic hydraulic cylinder.

The vacuum tank module is mounted on any technological base both in stationary production and on the frame of a vehicle with the required load capacity. For fixing frame 1 in stationary conditions, anchoring and threaded connections with clamps are used. On the transport chassis, the tank frame is attached to the transport frame spars with stepladders, on the cargo platform - with screw pairs with clamps and fixed with braces.

Frame 1 of the vacuum tank module is a metal spar type, consisting of two longitudinal spars with lodgements welded in across. Lodgements 2 are made with horizontal platforms at the ends and are designed for positioning the tank 3 and its fastening with strip tapes to the frame.

Reservoir 3 of the vacuum tank module metal of circular cross section is made as being filled by self-priming under vacuum with the possibility of free filling from above and lower loading under pressure. The rear bottom 4 of the tank is made on hinges, opens and closes with hydraulic cylinders equipped with hydraulic locks.

On top of the tank 3 of the vacuum tank module, an inspection neck 5 of the top filling is welded with built-in signaling and control equipment for the internal pressure in the tank and a safety platform 6 for servicing the tank from above. Guardrails of the safety platform 6 are collapsible, in the transport position they are laid along the ladders.

The utility model is equipped with a quick filling device, consisting of a large-diameter valve 7, installed on the outside on the rear bottom 4 with a pressure-suction hose 8 attached to it, a suction pipe 9, hermetically attached to the valve inside the tank. The free end of the suction pipe 9 is raised to the top of the tank, and inside the tank the suction pipe is structurally open for free draining of sludge waste into the tank due to the vacuum created in it.

The quick filling device works as follows: when the shutter 7 is closed, a vacuum R vac is created in the tank; shutter 7 opens; the liquid under the action of atmospheric pressure Р atm>Р vac rushes up through pipelines 8 and 9 into the tank and freely drains from above from the open end of pipeline 9.

The vacuum tank module is equipped with a valve 10 for draining sludge water and returning this water to the process. The sludge water is drained through pressure-suction hoses, interchangeable with hose 8. Viscous-fluid and lumpy materials are unloaded through the opening rear bottom 4. The rear bottom tilt control mechanism is driven by hydraulic cylinders and is fixed by hydraulic locks in the closed and open positions.

The utility model is equipped with an autonomous hydraulic station, consisting of a hydraulic tank 11, hydraulic station control equipment 12 and a hydraulic fluid flow distributor 13, located on cradles 2 on one side along the tank tank.

The utility model is distinguished by the fact that the tank pump unit with pipeline equipment and air ducts is completely mounted on the tank 3 of the vacuum tank module. For this purpose, a platform 15 is welded to the front bottom 14 of the tank 3, on which the pump unit 16 is installed with the fittings for driving the pump unit from the hydraulic motor.

In the self-priming mode, the pump unit 16 creates in the tank 3 a vacuum P vac or excess pressure controlled by the signal-control equipment in the neck 5. The pumping section of the pump unit 16 is connected by pipeline fittings to the filtration unit 17, fixed on the front bottom of the tank for filtering the gas-air drawn out from the tank environment. The outer pipeline 18 of the suction vacuum line between the filtration unit 17 and the tank of the tank 3 is made of all-metal and is connected by a flange to the internal intake duct 19, mounted on the walls inside the tank.

When the pumping unit 16 is turned on, the gas-air mixture is pumped out of the tank 3, cleaned of solid particles and liquid drops in the filtration unit 17, and further through the pipeline fittings it is sucked in by the vacuum compressor of the pumping unit. At the outlet of the pumping unit 16, the gas-air mixture is released into the environment through the silencer 20 and the ejector exhaust cleaning unit 21.

From the second side, on the frame 2 lodgements along the tank 3, there are tool boxes with built-in canisters 22 for storing pressure-suction hoses during transportation.

The principle of operation of the vacuum tank module with fluid materials is carried out according to the following scheme: the pump unit 16 pumps out the gas-air mixture from the reservoir 3 into the atmosphere and creates a vacuum P vac; under the action of atmospheric pressure P atm, liquid fluid materials are taken into the tank.

After the reservoir 3 is filled with liquid materials, the butterfly valve 7 closes, the pumping unit 16 is turned off, the suction-delivery hose 9 is placed in its regular place in the canister 22, and the cargo is transported for storage or disposal.

The vacuum tank truck module is equipped with the following systems for unloading materials from the tank, depending on the technological processes where the utility model will be used: the classic scheme by gravity through the butterfly valve 7 and the pressure-suction hose 9; dosed suction and delivery through the pressure-suction sleeve and neck; tipper uncontrolled discharge of cargo through the opening rear bottom 4 along the tray 23, carried out when lifting the tank with a turn around the axis 24 under the action of a telescopic hydraulic cylinder 25.

Gravity unloading and metered delivery through the pressure-suction hoses (position in Fig. 1) is carried out by gravity or under air pressure from a vacuum compressor unit on a flat support surface or on an overpass without restrictions.

Tipper unloading of the vacuum tank module through the opening rear bottom (position in Fig. 2) is carried out on a solid supporting surface, without transverse slopes within the dimensions of the transport chassis, and also in the absence of a longitudinal trim of the vehicle frame back.

LLC "NPO Vector" manufactured prototypes of the PumpUp type vacuum tank module (top location of the pump) on a tipper-type support frame. On FIG. 3 shows a vacuum machine on the chassis of a KAMAZ vehicle with a vacuum tank module installed on it.

It has been established that the vacuum tank module can be easily assembled into a stand-alone device, and is manufacturable for assembly in workshop conditions (Fig. 4). The upper attachment of the pumping unit with pipeline equipment to the tank does not have a noticeable effect on the structural strength of the pumping unit and the rigidity of the tank. Flange connections and pipe fittings made of metal are securely attached to the surface of the tank, structurally resistant to shocks and vibrations. When moving special equipment over rough terrain and in difficult road conditions in the fields, flange connections and welding joints of the suction system of the vacuum tank module proved their reliable tightness both under force and seasonal fluctuations in the conditions of the natural and climatic environment.

A utility model can be manufactured at any professionally organized machine-building production.

Claims (1)

Vacuum tank module, including a tipper-type tank frame with cradles for the tank, a hermetic metal tank attached to the cradles with an opening rear bottom, an inspection neck for the top filling with signaling and control equipment for internal pressure in the tank, a safety platform for servicing the tank from above, a pipeline for a fast suction filling, installed on the rear bottom from the inside of the tank, from the outside of the bottom of the tank - a butterfly valve and a sludge liquid drain valve with outlets for connecting pressure-suction hoses, a hydraulic station with control equipment and tool boxes with built-in canisters for storing pressure-suction hoses mounted on the frame cradles on the sides of the tank, characterized in that on the front of the tank on a platform attached to the front bottom, a pumping unit with a pump drive device is mounted, the pumping section of the pump is connected with pipeline fittings of the vacuum-compressor line for suction and purification of the gas-air medium fixed on the front bottom of the tank; pumped out from the reservoir gas-air mixture.

Images