Pressure filtering tank for oilfield produced water

Abstract

The utility model discloses a pressure filtering tank for oilfield produced water, which comprises a filtering tank body, and a fixing ring is mounted on the inner wall of the filtering tank body; the filter material is detachably arranged on the fixing ring, a splicing mechanism is arranged on the filter material and the fixing ring, and the splicing mechanism comprises an insertion hole formed in the fixing ring, an insertion column which is arranged at the bottom of the filter material and penetrates through the insertion hole, a fastening plate arranged at the bottom of the fixing ring, a base mounted on the side surface of the fastening plate and a clamping block movably arranged on the base; the clamping groove is formed in the insertion column and is connected with the clamping block in a clamping manner; a containing groove is formed in the side surface of the base, one end of the clamping block is embedded into the containing groove, the other end of the clamping block extends out of the containing groove, and a first fastening ring is arranged at the embedded end of the clamping block; the utility model has the beneficial effects that through the designed splicing mechanism, the quick splicing of the filter material and the fixing ring is realized, the filter material with poor disassembly performance is convenient to replace, and the labor intensity of operators is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pressure filter tank technical field, concretely relates to pressure filter tank for oilfield produced water. BACKGROUND

[0002] The pressure filter tank is a filter working under specific pressure, and its shell is usually a closed steel tank filled with filter medium for filtering and treating oilfield produced water. The interception of filter medium to suspended solids can be divided into screening and adsorption. The screening is mainly for larger suspended particles, which cannot pass through the filter layer and are intercepted on the surface of the filter layer. Smaller suspended particles can enter the filter layer, but are adsorbed in the filter layer when passing through the filter layer.

[0003] The utility model discloses a water distribution and exhaust device for pressure filter tank and pressure filter tank for oilfield produced water, which discloses a water distribution structure and an exhaust structure. The water distribution structure is arranged at the top end inside the pressure filter tank and is composed of a bottom baffle and a side baffle. The side baffle forms a cylindrical shape with an open top and bottom, and a plurality of through holes are uniformly distributed on the surface. The bottom baffle is arranged at the bottom of the side baffle and forms a container with an open top and a sealed bottom with the side baffle. The open top of the side baffle is sealingly connected with the top opening of the pressure filter tank.

[0004] The existing pressure filter tank for oilfield produced water has some problems during use, especially the particularity of filter material use, which makes the replacement of filter material a tedious and time-consuming process. Since the filter material will gradually clog during long-term use, the filtering efficiency will decrease, so it needs to be replaced regularly to maintain the normal operation of the filter tank. However, the existing pressure filter tank has many inconveniences in filter material replacement, such as difficult disassembly, complicated installation, long time-consuming, etc., which not only increases the labor intensity of the operator, but also affects the continuity and stability of oilfield produced water treatment. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a pressure filter tank for oilfield produced water, which can realize quick replacement of filter material.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pressure filter tank for oilfield produced water, comprising

[0007] A filter tank body, a fixed ring is installed on the inner wall of the filter tank body;

[0008] The filter material is detachably arranged on the fixing ring, and the filter material and the fixing ring are provided with a splicing mechanism, the splicing mechanism comprises a insertion hole formed on the fixing ring, an insertion column penetrating through the insertion hole and arranged at the bottom of the filter material, a fastening plate arranged at the bottom of the fixing ring, a base installed on the side surface of the fastening plate, a clamping block movably arranged on the base, and a clamping groove formed on the insertion column and in clamping connection with the clamping block.

[0009] Preferably, the side surface of the base is provided with a containing groove, one end of the clamping block is embedded in the containing groove, and the other end of the clamping block is extended out of the containing groove, the embedded end of the clamping block is provided with a first fastening ring, the slot opening of the containing groove is installed with a second fastening ring, a spring is sleeved on the clamping block and connected with the second fastening ring and the first fastening ring respectively.

[0010] Preferably, the fastening plate and the fixing ring are connected through screws, and the bottom end of the insertion column is flush with the bottom end of the fastening plate when the insertion column penetrates through the insertion hole.

[0011] Preferably, the handle is a U-shaped structure.

[0012] Preferably, the filter tank further comprises a supporting leg arranged at the bottom of the tank body and a first flange plate arranged at the top of the tank body.

[0013] Preferably, the filter tank further comprises a second flange plate detachably connected with the first flange plate, and the second flange plate is provided with a handle.

[0014] Preferably, the longitudinal section of the handle is a T-shaped structure, and the second flange plate is provided with a filter water inlet pipe extending into the inside of the tank body.

[0015] Compared with the prior art, the filter material and the fixing ring are quickly spliced through the splicing mechanism, the filter material with poor detachability can be conveniently replaced, and the labor intensity of the operator is reduced.

[0016] Through the designed splicing mechanism, the filter material and the fixing ring are quickly spliced, and the filter material with poor detachability can be conveniently replaced, and the labor intensity of the operator is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a front view of the tank body of the filter tank and a partial sectional view of the structure schematic view of the utility model;

[0019] Figure 3 It is an enlarged structure schematic view of G area in the utility model; Figure 2

[0020] Figure 4 It is a handle three-dimensional structure schematic view of the utility model;

[0021] ​In the figure: 1, filter tank body; 11, first flange plate; 2, support leg; 3, second flange plate; 31, filter water inlet main pipe; 32, handle; 4, fixing ring; 41, insertion hole; 42, fastening plate; 5, filter material; 51, handle; 52, insertion column; 520, clamping groove; 6, base; 61, accommodating groove; 610, second fastening ring; 7, clamping block; 71, first fastening ring; 8, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-3 The utility model provides a pressure filter tank for oilfield produced water, including

[0025] The filter tank body 1 is provided with a fixing ring 4 on the inner wall through screws, achieving stable installation of the fixing ring 4.

[0026] The filter material 5 is detachably arranged on the fixing ring 4, and the filter material 5 and the fixing ring 4 are provided with a splicing mechanism, which includes an insertion hole 41 formed on the fixing ring 4, an insertion column 52 penetrating through the insertion hole 41 and arranged at the bottom of the filter material 5, a fastening plate 42 arranged at the bottom of the fixing ring 4, a base 6 arranged on the side surface of the fastening plate 42, a clamping block 7 movably arranged on the base 6, and a clamping groove 520 formed on the insertion column 52 and connected with the clamping block 7. The splicing mechanism achieves quick splicing of the filter material 5 and the fixing ring 4, and facilitates replacement of the filter material 5 with poor disassembly performance.

[0027] In the embodiment, preferably, the side surface of the base 6 is provided with a containing groove 61, the containing groove 61 is provided, one end of the clamping block 7 is embedded in the containing groove 61, the other end of the clamping block 7 is out of the containing groove 61, the embedded end of the clamping block 7 is provided with a first fastening ring 71, the first fastening ring 71 is added, the notch of the containing groove 61 is provided with a second fastening ring 610, the second fastening ring 610 is added, the spring 8 is sleeved on the clamping block 7, and the spring 8 is connected with the second fastening ring 610 and the first fastening ring 71 respectively, when the filter material 5 is installed, the filter material 5 is taken and the insertion column 52 is inserted into the insertion hole 41 and presses the clamping block 7, the clamping block 7 is pressed and moved, the first fastening ring 71 is moved and the spring 8 is stretched, the spring 8 is reset, the first fastening ring 71 is moved, and the clamping block 7 is clamped in the clamping groove 520.

[0028] In the embodiment, preferably, the fastening plate 42 and the fixed ring 4 are connected through screws, which helps to increase the stability of the splicing of the fastening plate 42 and the fixed ring 4, and the bottom end of the insertion column 52 is flush with the bottom end of the fastening plate 42 when the insertion column 52 penetrates the insertion hole 41.

[0029] In the embodiment, preferably, the support leg 2 is arranged at the bottom of the filter tank body 1, the support leg 2 increases the support of the filter tank body 1, and the first flange plate 11 is arranged at the top of the filter tank body 1, and the first flange plate 11 is added.

[0030] In the embodiment, preferably, the second flange plate 3 is detachably connected with the first flange plate 11, the second flange plate 3 and the first flange plate 11 can be stably spliced, and the second flange plate 3 is provided with a handle 32, and the handle 32 increases the convenience of taking down the second flange plate 3.

[0031] In the embodiment, preferably, the longitudinal section of the handle 32 is in a T shape, the second flange plate 3 is provided with a filter water inlet main pipe 31 extending into the filter tank body 1, the oilfield produced water to be treated is conveyed into the filter tank body 1 along the filter water inlet main pipe 31, and the bottom of the filter tank body 1 is provided with a water outlet.

[0032] Embodiment 2

[0033] Please refer to Figures 1-4 As a second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that:

[0034] The handle 51 is arranged on the top of the filter material 5, and the handle 51 is in a U shape, and the U-shaped handle 51 makes it more convenient to pull out the filter material 5.

[0035] The working principle and use flow of the utility model: when using, the oilfield produced water needing to be treated is conveyed to the filter tank body 1 along the filter inlet dry pipe 31, and the filter material 5 is used for filtering and treating the oilfield produced water.

[0036] Although the embodiments of the utility model have been shown and described in detail, and the above detailed description is referred to, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the range of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure filtration tank for oilfield produced water, characterized by: Comprising A filter tank body (1), the inner wall of which is provided with a fixing ring (4); A filter material (5) is detachably arranged on the fixing ring (4), and the filter material (5) and the fixing ring (4) are provided with a splicing mechanism, which comprises a plug hole (41) formed on the fixing ring (4), a plug column (52) penetrating the plug hole (41) and arranged on the bottom of the filter material (5), a fastening plate (42) arranged on the bottom of the fixing ring (4), a base (6) mounted on the side surface of the fastening plate (42), a clamping block (7) movably arranged on the base (6), and a clamping groove (520) formed on the plug column (52) and connected with the clamping block (7).

2. The pressure filtration tank for oilfield produced water of claim 1, characterized by: The side surface of the base (6) is provided with a receiving groove (61), one end of the clamping block (7) is embedded in the receiving groove (61), and the other end of the clamping block (7) extends out of the receiving groove (61), the embedded end of the clamping block (7) is provided with a first fastening ring (71), the opening of the receiving groove (61) is provided with a second fastening ring (610), a spring (8) is sleeved on the clamping block (7), and the spring (8) is connected with the second fastening ring (610) and the first fastening ring (71) respectively.

3. The pressure filtration tank for oilfield produced water of claim 1, characterized by: The fastening plate (42) and the fixing ring (4) are connected by screws, and the bottom end of the plug column (52) is flush with the bottom end of the fastening plate (42) when the plug column (52) penetrates the plug hole (41).

4. The pressure filtration tank for oilfield produced water of claim 1, characterized by: A handle (51) is mounted on the top of the filter material (5), and the handle (51) has a "U" shaped structure.

5. The pressure filtration tank for oilfield produced water of claim 1, characterized by: A supporting leg (2) is arranged on the bottom of the filter tank body (1), and a first flange plate (11) is arranged on the top of the filter tank body (1).

6. The pressure filtration tank for oilfield produced water of claim 5, characterized in that: A second flange plate (3) is detachably connected with the first flange plate (11), and a handle (32) is arranged on the second flange plate (3).

7. The pressure filtration tank for oilfield produced water of claim 6, characterized in that: The longitudinal section of the handle (32) is "T" shaped, and the second flange plate (3) is provided with a filter water inlet main pipe (31) extending into the inside of the filter tank body (1).

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