Refrigerant filtering device in molybdenum smelting industry

Abstract

The utility model belongs to the technical field of smoke acid making in the molybdenum smelting industry, and particularly discloses a refrigerant filtering device in the molybdenum smelting industry, which comprises a filter, the open end of a cylinder of the filter is detachably connected with a flange plate, and the other end of the cylinder is provided with a liquid inlet pipe communicated with an inner cavity of the cylinder. A liquid outlet pipe communicated with an inner cavity of the barrel is arranged in the middle of the outer circle face of the barrel, a coaxially-arranged filter element is placed in the inner cavity of the barrel, the front end of the filter element abuts against and makes contact with the inner wall of the front end of the barrel through a front baffle ring, and the rear end of the filter element abuts against and makes contact with a flange plate through a rear pressing plate and an abutting piece. When the filter element needs to be cleaned and maintained, the liquid inlet pipe and the liquid outlet pipe are detached from the corresponding main pipelines, so that the filter element can be detached and cleaned, the service life of the refrigerant filter is prolonged, the filter element can be quickly inspected, cleaned and maintained, the inspection and maintenance time is short, and the production efficiency of a whole production line is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the molybdenum smelting industry flue gas acid making technical field, specifically disclose a molybdenum smelting industry refrigerant filter device. BACKGROUND

[0002] In the molybdenum smelting industry, the acid making flue gas temperature is higher, if can not very good cooling, will damage the equipment of acid making system influence acid making system acid temperature stability, the main role of water chiller unit is to the refrigeration of purification system cooling, so as to achieve better dust removal cooling, long-term operation because the impurities, moisture and other factors existing in the refrigerant of water chiller unit will affect the refrigeration effect of water chiller unit, thereby affecting the stable operation of the whole acid making system, the filter is usually set in the industry to filter the refrigerant, but, once the refrigerant filter is blocked, only the whole refrigeration system is disconnected, after cutting off the pipeline corresponding to the refrigerant filter, the refrigerant filter is cleaned or replaced with a new one, on the one hand, the refrigerant filter cannot be forewarned when it is blocked, and can only be found after the filter effect is obviously reduced due to serious blockage, on the other hand, the existing refrigerant filter is integrally arranged, the filter element of the refrigerant filter device is not easy to disassemble, and the filter element cannot be quickly checked and cleaned and maintained, the checking and maintenance time is long, and the production efficiency of the whole production line is affected. SUMMARY

[0003] In order to solve the problems in the background art, the utility model discloses a molybdenum smelting industry refrigerant filter device, which comprises a detachable connection of a cylinder flange plate, and the front and rear ends of the filter element are in close contact with the inner wall of the cylinder and the flange plate respectively, so that the filter element can be quickly checked and cleaned and maintained, the checking and maintenance time is short, and the production efficiency of the whole production line is not affected.

[0004] To achieve the above-mentioned purposes, the utility model adopts the following technical scheme:

[0005] A molybdenum smelting industry refrigerant filter device, comprising a filter, the filter comprising a hollow cylindrical structure of an open end, the open end of the cylinder is detachably connected with the flange plate, the other end of the cylinder is provided with a liquid inlet pipe communicated with the inner cavity of the cylinder, the middle of the outer surface of the cylinder is provided with a liquid outlet pipe communicated with the inner cavity of the cylinder, the filter element is coaxially arranged in the inner cavity of the cylinder, the filter screen is arranged at the front end of the filter element through the front stop ring, the rear pressure plate is arranged at the rear end of the filter element, the front and rear ends of the filter element are in close contact with the front stop ring and the rear pressure plate respectively, the abutting member is arranged between the rear pressure plate and the flange plate, and the abutting member can push the rear pressure plate to make the front end of the filter element in close contact with the inner wall of the cylinder.

[0006] Further, the molybdenum smelting industry refrigerant filter device is provided with a connecting rod between the front retaining ring and the rear pressing plate, and the two ends of the connecting rod are detachably connected with the front retaining ring and the rear pressing plate respectively.

[0007] Further, the molybdenum smelting industry refrigerant filter device is provided with a connecting rod between the front retaining ring and the rear pressing plate, and the two ends of the connecting rod are detachably connected with the front retaining ring and the rear pressing plate respectively.

[0008] Further, the molybdenum smelting industry refrigerant filter device is provided with a connecting rod between the front retaining ring and the rear pressing plate, and the two ends of the connecting rod are detachably connected with the front retaining ring and the rear pressing plate respectively.

[0009] Further, the molybdenum smelting industry refrigerant filter device is provided with a connecting rod between the front retaining ring and the rear pressing plate, and the two ends of the connecting rod are detachably connected with the front retaining ring and the rear pressing plate respectively.

[0010] Further, the molybdenum smelting industry refrigerant filter device is provided with a connecting rod between the front retaining ring and the rear pressing plate, and the two ends of the connecting rod are detachably connected with the front retaining ring and the rear pressing plate respectively.

[0011] Compared with the prior art, the molybdenum smelting industry refrigerant filter device has the beneficial effects that:

[0012] The molybdenum smelting industry refrigerant filter device comprises a filter, the open end of a filter cylinder is detachably connected with a flange plate, an inlet pipe communicating with the inner cavity of the cylinder is arranged at the other end of the cylinder, an outlet pipe communicating with the inner cavity of the cylinder is arranged at the middle of the outer circular surface of the cylinder, a filter core coaxially arranged is placed in the inner cavity of the cylinder, the front end of the filter core is in abutting contact with the front end inner wall of the cylinder through a front retaining ring, and the rear end of the filter core is in abutting contact with the flange plate through a rear pressing plate and an abutting piece. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a three-dimensional structure schematic view of the refrigerant filter device of the utility model;

[0014] Fig. 2 is a three-dimensional structure schematic view of the refrigerant filter device of the utility model;

[0015] In the above figure: 1 - liquid inlet pipe; 2 - first pressure reducing valve; 3 - first vacuum port; 4 - filter; 4.0 - cylinder; 4.1 - filter core; 4.2 - filter screen; 4.3 - front retaining ring; 4.4 - connecting rod; 4.5 - rear pressing plate; 4.6 - handle; 4.7 - compression spring; 5 - flange plate; 6 - liquid outlet pipe; 7 - second vacuum port; 8 - second pressure reducing valve. DETAILED DESCRIPTION

[0016] In order to better understand the present application, the content of the present application will be further illustrated below in conjunction with examples, but the content of the present application is not limited to the following examples only.

[0017] In conjunction with the accompanying drawings Figs. 1-2 , a molybdenum smelting industry refrigerant filter device is described in detail, which comprises a filter 4, the filter 4 comprises a hollow cylindrical structure of the cylinder 4.0 with one end open, the open end of the cylinder 4.0 is detachably connected with the flange plate 5, the other end of the cylinder 4.0 is provided with a liquid inlet pipe 1 communicating with the inner cavity of the cylinder 4.0, the liquid inlet pipe 1 is coaxially arranged with the cylinder 4.0, the middle of the outer circular surface of the cylinder 4.0 is provided with a liquid outlet pipe 6 communicating with the inner cavity of the cylinder 4.0, it should be noted that the liquid outlet pipe 6 is preferably L-shaped structure, the vertical section of the liquid outlet pipe 6 is connected with the cylinder 4.0 vertically, the horizontal section of the liquid outlet pipe 6 is arranged in parallel with the liquid inlet pipe 1, the filter core 4.1 is placed in the inner cavity of the cylinder 4.0, the filter screen 4.2 is arranged in front of the filter core 4.1 through the front retaining ring 4.3, the rear pressing plate 4.5 is arranged at the rear end of the filter core 4.1, the front and rear ends of the filter core 4.1 are in close contact with the front retaining ring 4.3 and the rear pressing plate 4.5 respectively, the abutting member is arranged between the rear pressing plate 4.5 and the flange plate 5, the abutting member can push the rear pressing plate 4.5 to make the front end of the filter core 4.1 abut against the inner wall of the cylinder 4.0; when the filter core 4.1 needs to be disassembled, the flange plate 5 is removed, the abutting member is taken off, the filter core assembly composed of the front retaining ring 4.3, the filter core 4.1 and the rear pressing plate 4.5 can be taken out from the cylinder 4.0, the filter core 4.1 can be quickly inspected and cleaned and maintained, in work, the other end of the liquid inlet pipe 1 is threadedly connected with the liquid inlet main pipeline, the other end of the liquid outlet pipe 6 is threadedly connected with the liquid outlet main pipeline, which is convenient to disassemble, the liquid filtered by the filter screen 4.2 enters the cylinder 4.0 after primary filtration, and is filtered by the filter core 4.1 after secondary filtration, and is guided out to the liquid outlet main pipeline through the liquid outlet pipe 6, when the filter core 4.1 needs to be cleaned and maintained, the liquid inlet pipe 1 and the liquid outlet pipe 6 are disassembled from the corresponding main pipeline, the filter 4 can be disassembled, the filter core 4.1 can be cleaned, the service life of the refrigerant filter is prolonged, the filter core 4.1 can be quickly inspected and cleaned and maintained, the inspection and maintenance time is short, and the production efficiency of the whole production line is not affected.

[0018] As an optional design, preferably the molybdenum smelting industry refrigerant filter device is provided with a connecting rod 4.4 between the front retaining ring 4.3 and the rear pressing plate 4.5, the front and rear ends of the connecting rod 4.4 are detachably connected with the front retaining ring 4.3 and the rear pressing plate 4.5 respectively, the rear end of the connecting rod 4.4 passes through the rear pressing plate 4.5 and is threadedly connected with a handle 4.6, when the filter element 4.1 needs to be checked and cleaned and maintained, first loosen the connecting bolts between the open end of the cylinder 4.0 and the flange plate 5, remove the flange plate 5, then directly take out the filter element assembly composed of the front retaining ring 4.3, the filter element 4.1 and the rear pressing plate 4.5 from the cylinder 4.0 through the handle 4.6, and check and clean the filter element 4.1, when the filter element 4.1 needs to be replaced, sequentially remove the handle 4.6 and the rear pressing plate 4.5, set a new filter element 4.1 on the connecting rod 4.4, then sequentially install the handle 4.6 and the rear pressing plate 4.5, and finally put the filter element assembly back into the cylinder 4.0, and install the flange plate 5.

[0019] As an optional design, preferably the molybdenum smelting industry refrigerant filter device is provided with a connecting rod 4.4 between the front retaining ring 4.3 and the rear pressing plate 4.5, the front and rear ends of the connecting rod 4.4 are detachably connected with the front retaining ring 4.3 and the rear pressing plate 4.5 respectively, the rear end of the connecting rod 4.4 passes through the rear pressing plate 4.5 and is threadedly connected with a handle 4.6, when the filter element 4.1 needs to be checked and cleaned and maintained, first loosen the connecting bolts between the open end of the cylinder 4.0 and the flange plate 5, remove the flange plate 5, then directly take out the filter element assembly composed of the front retaining ring 4.3, the filter element 4.1 and the rear pressing plate 4.5 from the cylinder 4.0 through the handle 4.6, and check and clean the filter element 4.1, when the filter element 4.1 needs to be replaced, sequentially remove the handle 4.6 and the rear pressing plate 4.5, set a new filter element 4.1 on the connecting rod 4.4, then sequentially install the handle 4.6 and the rear pressing plate 4.5, and finally put the filter element assembly back into the cylinder 4.0, and install the flange plate 5.

[0020] As an optional design, the molybdenum smelting industry refrigerant filter device is preferred, a pressure reducing valve is arranged at one end of the cylinder 4.0 near the inlet pipe 1 and the outlet pipe 6 respectively, the pressure reducing valve comprises a first pressure reducing valve 2 arranged on the inlet pipe 1 and a second pressure reducing valve 8 arranged on the outlet pipe 6, the pressure reducing valve can reduce the pressure in the filter 4, avoid that the pressure in the filter 4 is too large, and cause the refrigerant filtering effect in the filter 4 to be reduced, a vacuum port is further arranged on the pipeline between the pressure reducing valve and the cylinder 4.0, the vacuum port comprises a first vacuum port 3 arranged between the first pressure reducing valve 2 and the cylinder 4.0 and a second vacuum port 7 arranged between the second pressure reducing valve 8 and the cylinder 4.0, when the filter 4 is disassembled and installed, the vacuum port at the inlet or the outlet of the filter 4 can be used to vacuumize the filter 4, so that the filter 4 does not contain impurity gas, a pressure gauge is further connected to the first vacuum port 3 and the second vacuum port 7 respectively, the pressure gauge is used for measuring the pressure at the inlet and the outlet of the filter 4, by reading the pressure difference at the inlet and the outlet of the filter 4, whether the filter core 4.1 in the filter 4 is blocked can be judged, the pressure gauge is electrically connected with a controller, the pressure value range in the filter 4 is set through the controller, when the pressure difference at the inlet and the outlet of the filter 4 is within the set pressure value range, it is indicated that the filter core 4.1 is not blocked; when the pressure difference at the inlet and the outlet of the filter 4 approaches the maximum value of the set pressure range, it is indicated that the filter core 4.1 is slightly blocked, the controller sends a pre-warning when the refrigerant filter is blocked; when the pressure difference at the inlet and the outlet of the filter 4 is greater than the maximum value of the set pressure range, it is indicated that the filter core 4.1 of the refrigerant filter is seriously blocked, and the filter core 4.1 must be replaced; the molybdenum smelting industry refrigerant filter device can give an early warning when the refrigerant filter is blocked, the filter core 4.1 can be checked and cleaned and maintained in time, the checking and cleaning and maintaining time is short, the service life of the filter is prolonged, and the production efficiency of the whole production line is not affected.

[0021] As an optional design, the molybdenum smelting industry refrigerant filter device is preferred, a pressure reducing valve is arranged at one end of the cylinder 4.0 near the inlet pipe 1 and the outlet pipe 6 respectively, the pressure reducing valve comprises a first pressure reducing valve 2 arranged on the inlet pipe 1 and a second pressure reducing valve 8 arranged on the outlet pipe 6, the pressure reducing valve can reduce the pressure in the filter 4, avoid that the pressure in the filter 4 is too large, and cause the refrigerant filtering effect in the filter 4 to be reduced, a vacuum port is further arranged on the pipeline between the pressure reducing valve and the cylinder 4.0, the vacuum port comprises a first vacuum port 3 arranged between the first pressure reducing valve 2 and the cylinder 4.0 and a second vacuum port 7 arranged between the second pressure reducing valve 8 and the cylinder 4.0, when the filter 4 is disassembled and installed, the vacuum port at the inlet or the outlet of the filter 4 can be used to vacuumize the filter 4, so that the filter 4 does not contain impurity gas, a pressure gauge is further connected to the first vacuum port 3 and the second vacuum port 7 respectively, the pressure gauge is used for measuring the pressure at the inlet and the outlet of the filter 4, by reading the pressure difference at the inlet and the outlet of the filter 4, whether the filter core 4.1 in the filter 4 is blocked can be judged, the pressure gauge is electrically connected with a controller, the pressure value range in the filter 4 is set through the controller, when the pressure difference at the inlet and the outlet of the filter 4 is within the set pressure value range, it is indicated that the filter core 4.1 is not blocked; when the pressure difference at the inlet and the outlet of the filter 4 approaches the maximum value of the set pressure range, it is indicated that the filter core 4.1 is slightly blocked, the controller sends a pre-warning when the refrigerant filter is blocked; when the pressure difference at the inlet and the outlet of the filter 4 is greater than the maximum value of the set pressure range, it is indicated that the filter core 4.1 of the refrigerant filter is seriously blocked, and the filter core 4.1 must be replaced; the molybdenum smelting industry refrigerant filter device can give an early warning when the refrigerant filter is blocked, the filter core 4.1 can be checked and cleaned and maintained in time, the checking and cleaning and maintaining time is short, the service life of the filter is prolonged, and the production efficiency of the whole production line is not affected.

[0022] The working process of the utility model is as follows:

[0023] The other end of the liquid inlet pipe 1 is threadedly connected with a liquid inlet main pipeline, the other end of the liquid outlet pipe 6 is threadedly connected with a liquid outlet main pipeline, liquid is introduced into the cylinder body 4.0 through the liquid inlet pipe 1, is preliminarily filtered through the filter screen 4.2 and is secondarily filtered through the filter core 4.1, and finally is led out to the liquid outlet main pipeline through the liquid outlet pipe 6, when the filter core 4.1 needs to be cleaned and maintained, the liquid inlet pipe 1 and the liquid outlet pipe 6 are separated from the corresponding main pipelines or the first pressure reducing valve 2 and the second pressure reducing valve 8 are closed, the filter core 4.1 can be removed for cleaning, the service life of the refrigerant filter is prolonged, the filter core 4.1 can be quickly checked and cleaned and maintained, the time for checking and maintaining is short, and the production efficiency of the whole production line is not affected.

[0024] The above description is merely an application implementation manner of the present application, but the protection scope of the present application is not limited thereto, and the protection scope of the present application cannot be limited by the above description, and any equivalent changes made according to the technical solution of the present application should be covered in the protection scope of the present application.

Claims

1. A refrigerant filtration device for the molybdenum smelting industry, comprising a filter, characterized in that: The filter includes a hollow cylindrical body with one open end, the open end of which is detachably connected to a flange plate. An inlet pipe communicating with the inner cavity of the body is provided at the other end of the body, and an outlet pipe communicating with the inner cavity of the body is provided at the middle of the outer circumference of the body. A filter element is placed coaxially in the inner cavity of the body. A filter screen is provided at the front end of the filter element through a front retaining ring, and a rear pressure plate is provided at the rear end of the filter element. The front and rear ends of the filter element are in close contact with the front retaining ring and the rear pressure plate, respectively. A clamping member is provided between the rear pressure plate and the flange plate, which can push the rear pressure plate to make the front end of the filter element in close contact with the inner wall of the body.

2. The refrigerant filtration device for the molybdenum smelting industry according to claim 1, characterized in that: A connecting rod is provided between the front retaining ring and the rear pressure plate, and the two ends of the connecting rod are detachably connected to the front retaining ring and the rear pressure plate, respectively.

3. The refrigerant filtration device for the molybdenum smelting industry according to claim 2, characterized in that: The clamping element is a compression spring, and the two ends of the compression spring are in close contact with the rear pressure plate and the flange plate, respectively.

4. The refrigerant filtration device for the molybdenum smelting industry according to claim 2, characterized in that: The clamping element is a push rod, one end of which is in close contact with the flange plate, and the other end of which is connected to the rear pressure plate.

5. The refrigerant filtration device for the molybdenum smelting industry according to claim 2, characterized in that: A pressure reducing valve is installed at one end of the inlet pipe and the outlet pipe near the cylinder, and a vacuum port is also installed on the pipe between the pressure reducing valve and the cylinder.

6. The refrigerant filtration device for the molybdenum smelting industry according to claim 2, characterized in that: A sealing element is provided at the position where the front retaining ring contacts the inner wall of the cylinder.

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