CN215692305U

CN215692305U - Novel filter that denitration feed pump was used

Info

Publication number: CN215692305U
Application number: CN202121969089.4U
Authority: CN
Inventors: 任国海; 李秀云; 林涛; 韩卫龙
Original assignee: Baotou No1 Thermal Power Plant Of North United Electric Power Co ltd
Current assignee: Baotou No1 Thermal Power Plant Of North United Electric Power Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-01
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a novel filter for a denitration feed pump, which comprises a filtering mechanism, a first fixed pipe, a filtering device, a water inlet pipe and a water outlet pipe, wherein the first fixed pipe is arranged at the bottom of air in the filtering frame, the filtering device is arranged on the surface of the first fixed pipe, the water inlet pipe is arranged on the left side of the filtering frame, and the water outlet pipe is arranged at the bottom of the filtering frame. The utility model has the beneficial effects that: through setting up filter frame, increase to one hundred eight millimeters through filtering frame by diameter twenty millimeters originally, avoided because filter frame is capacious, cause denitration feed pump impeller to block up, lead to denitration feed pump to exert oneself not enough problem, thereby make denitration system feed pump can the safety in production, through setting up first fixed pipe, thereby fix filter equipment, place simultaneously in silt gets into the entry of outlet pipe, through setting up filter equipment, thereby impurity to in the liquid filters, and with the impurity interception at filter frame's inner chamber.

Description

Novel filter that denitration feed pump was used

Technical Field

The utility model relates to the technical field of denitration feed pumps, in particular to a novel filter for a denitration feed pump.

Background

The desulfurization pump can adapt to various different working conditions, and according to different desulfurization pump materials, the application field is classified as follows: the desulfurization pump (stainless steel) is widely used in industries such as petroleum, chemical engineering, metallurgy, synthetic fiber, pharmacy, food, synthetic fiber and the like for conveying alkaline corrosive media, the desulfurization pump (fluoroplastic) is used for conveying any acidic and alkaline corrosive media, the desulfurization pump (ultrahigh molecular weight polyethylene) has excellent anti-adhesion property, and the anti-adhesion property is equivalent to that of PTFE (polytetrafluoroethylene), so that the desulfurization pump (stainless steel) has outstanding performance when conveying some media with higher viscosity.

The former DN20mmY type filter that uses of deNOx systems feed pump, because the capacity is little, need often clear up, frequently cause denitration feed pump impeller to block up, lead to the denitration feed pump to exert an effect not enough, be unfavorable for safety in production, inside filter screen can only block a small amount of debris simultaneously, the debris that can not in time clear up, make debris along with liquid get into in the denitration feed pump body, lead to the denitration feed pump to exert an effect not enough, can not reach ultralow emission standard, influence the atmosphere pollution.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems occurring in the conventional novel filter for a denitration feed pump.

Therefore, the utility model aims to solve the problems that a DN20mmY type filter is originally used for a feeding pump of a denitration system, the capacity is small, frequent cleaning is needed, an impeller of the denitration feeding pump is frequently blocked, the output of the denitration feeding pump is insufficient, safety production is not facilitated, meanwhile, an internal filter screen can only block a small amount of sundries, the sundries cannot be cleaned in time, the sundries enter a denitration feeding pump body along with liquid, the output of the denitration feeding pump is insufficient, the ultralow emission standard is not reached, and air pollution is influenced.

In order to solve the technical problems, the utility model provides the following technical scheme: a novel filter for a denitration feed pump comprises a filtering mechanism, a first fixed pipe, a filtering device, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the first fixed pipe is arranged at the bottom of air in the filtering frame;

the fixing mechanism comprises a connecting plate, a fixing plate arranged at the top of the connecting plate, threaded holes arranged on the periphery of the surface of the connecting plate and the surface of the fixing plate, bolts arranged in inner cavities of the threaded holes, and nuts arranged at the tops of the bolts.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the filtering mechanism further comprises a first valve, and the first valve is arranged on the surface of the drain pipe and matched with the drain pipe.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the filtering mechanism further comprises two second valves, and the two second valves are respectively arranged on the surfaces of the water inlet pipe and the water outlet pipe.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the filtering mechanism further comprises two sealing rings and is arranged at the top and the bottom of the filtering device.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the surface of the first fixed pipe and the bottom of the inner cavity of the filtering device are both provided with threads, and the filtering device is in threaded connection with the first fixed pipe.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the periphery of the surface of the connecting plate and the surface of the fixing plate are provided with the threaded holes, and the number of the threaded holes is eight.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the quantity of bolt is four, just the bolt is close to the one end of screw hole all extends to the top of fixed plate through threaded connection, the nut with bolt threaded connection.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the number of the nuts is eight, and the nuts are uniformly distributed on the surface of the bolt at the top of the fixing plate.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the fixing mechanism further comprises a second fixing pipe and is arranged at the bottom of the fixing plate, threads are arranged on the surface of the second fixing pipe and the top of the inner cavity of the filtering device, and the second fixing pipe is connected with the filtering device in a threaded mode.

As a preferable aspect of the novel filter for the denitration feed pump of the present invention, wherein: the diameter of the filtering frame is one hundred and eight millimeters, and the diameter of the drain pipe is twenty millimeters.

The utility model has the beneficial effects that: by arranging the filtering frame, the problem that the denitration feeding pump impeller is blocked due to small capacity of the filtering frame, so that the denitration feeding pump cannot output enough force is solved by increasing the diameter of the filtering frame to one hundred and eight millimeters, the denitration feeding pump can be safely produced, by arranging the first fixing pipe, the filtering device is fixed, and simultaneously, silt is placed into an inlet of a water outlet pipe, by arranging the filtering device, the impurities in liquid are filtered and are intercepted in an inner cavity of the filtering frame, by arranging the water inlet pipe and the water outlet pipe, a feed inlet and a discharge outlet are added to the device, so that the device is convenient for workers to install and use, by arranging the water outlet pipe, a back washing device is added to the filtering frame, so that the impurities in the inner cavity of the filtering frame are washed, the service life of the device is prolonged, and the denitration feeding pump can run at full load, the times of outage and maintenance are reduced, and the influence on atmospheric pollution caused by the fact that the full-time cannot reach the ultralow emission standard is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a view showing a structure of a novel filter for a denitration feed pump.

FIG. 2 is an exploded view of a filter frame of the novel filter for a denitration feed pump.

Fig. 3 is an exploded view of a retainer plate of the novel filter for a denitration feed pump.

FIG. 4 is a bottom view of the fixed plate of the novel filter for the denitration feed pump.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, a first embodiment of the present invention provides a novel filter for a denitration feed pump, which includes a filter mechanism 100, including a filter frame 101, a first fixed pipe 102 disposed at the bottom of air in the filter frame 101, a filter device 103 disposed on the surface of the first fixed pipe 102, an inlet pipe 104 disposed at the left side of the filter frame 101, an outlet pipe 105 disposed at the bottom of the filter frame 101, and a drain pipe 106 disposed at the front side of the filter frame 101.

The fixing mechanism 200 includes a connecting plate 201, a fixing plate 202 disposed on the top of the connecting plate 201, threaded holes 203 disposed around the surfaces of the connecting plate 201 and the fixing plate 202, bolts 204 disposed in the inner cavities of the threaded holes 203, and nuts 205 disposed on the tops of the bolts 204.

Specifically, the filtering mechanism 100 further includes a first valve 107 disposed on a surface of the drainage pipe 106, and is matched with the drainage pipe 106, and the first valve 107 is disposed to facilitate the control of the opening and closing of the drainage pipe 106 by the worker.

Preferably, the filtering mechanism 100 further includes two second valves 108, the number of the second valves 108 is two, and the two second valves 108 are respectively disposed on the surfaces of the water inlet pipe 104 and the water outlet pipe 105, and the second valves 108 are disposed to facilitate the control of the opening and closing of the water inlet pipe 104 and the water outlet pipe 105 by the worker.

Preferably, the filter mechanism 100 further includes two sealing rings 109 disposed at the top and the bottom of the filter device 103, and the sealing rings 109 are disposed to increase the sealing performance of the filter device 103 and further prevent impurities in the liquid from entering the inlet of the water outlet pipe 105.

By arranging the filter frame 101, by increasing the original diameter of the filter frame 101 to one hundred and eight millimeters, the problem that the denitration feed pump impeller is blocked due to the small capacity of the filter frame 101, which causes the denitration feed pump to output insufficient power, is avoided, so that the denitration system feed pump can be safely produced, by arranging the first fixing pipe 102, the filter device 103 is fixed, silt is placed into the inlet of the water outlet pipe 105 at the same time, by arranging the filter device 103, the impurities in the liquid are filtered, the impurities are intercepted in the inner cavity of the filter frame 101, by arranging the water inlet pipe 104 and the water outlet pipe 105, a feed port and a discharge port are added to the device, the device is convenient for workers to install and use, by arranging the water outlet pipe 106, a back washing device is added to the filter frame 101, so that the impurities in the inner cavity of the filter frame 101 are washed, and the service life of the device is prolonged, thereby make denitration feed pump can full load operation, reduced and stopped the operation and overhaul the number of times, avoided the full time to reach ultralow emission standard, influence the atmospheric pollution.

Example 2

Referring to fig. 1 to 3, a second embodiment of the present invention is based on the above embodiment.

Specifically, the surface of the first fixing pipe 102 and the bottom of the inner cavity of the filtering device 103 are both provided with threads, and the filtering device 103 is in threaded connection with the first fixing pipe 102, so that the connection stability between the filtering device 103 and the filtering frame 101 is increased.

Preferably, the screw hole 203 that all seted up around on connecting plate 201 and fixed plate 202 surface, the quantity of screw hole 203 is eight, through the quantity that sets up screw hole 203, improves the stability of being connected between fixed plate 202 and the connecting plate 201.

Preferably, the number of the bolts 204 is four, and one end of each bolt 204 close to the corresponding threaded hole 203 extends to the top of the corresponding fixing plate 202 through threaded connection, and the number of the nuts 205 is four, so that the fixing plate 202 is fixed by the threaded holes 203 and the nuts 205.

In use, the filter device 103 is fixedly connected to the inner cavity of the filter frame 101 through the first fixing tube 102, the fixing plate 202 is fixed to the filter device 103 through the second fixing tube 206, the bolt 204 is inserted through the threaded hole 203, and the bolt 204 is fixed to the fixing plate 202 through the nut 205, so that the filter frame 101 is mounted.

Example 3

Referring to FIGS. 1-4, a third embodiment of the present invention is based on the first two embodiments.

Specifically, the number of the nuts 205 is eight, and the nuts 205 are uniformly distributed on the surface of the top of the fixing plate 202 of the bolt 204, and the surface of the bolt 204 is uniformly distributed by the nuts 205, so that the connection stability of the nuts 205 to the bolt 204 is improved.

Preferably, the fixing mechanism 200 further comprises a second fixing pipe 206 arranged at the bottom of the fixing plate 202, the surface of the second fixing pipe 206 and the top of the inner cavity of the filtering device 103 are both provided with threads, the second fixing pipe 206 is in threaded connection with the filtering device 103, and by arranging the second fixing pipe 206, the situation that liquid is not filtered is avoided, the liquid directly enters the inlet of the water outlet pipe 105 through the top of the filtering device 103, and the device is blocked.

Preferably, the diameter of the filtering frame 101 is one hundred and eight millimeters, the diameter of the drain pipe 106 is twenty millimeters, and the stable operation of the device is ensured by determining the sizes of the filtering frame 101 and the drain pipe 106 by setting the diameters of the filtering frame 101 and the drain pipe 106.

When in use, the filtering device 103 is fixedly connected to the inner cavity of the filtering frame 101 through the first fixing pipe 102, the fixing plate 202 is fixed with the filtering device 103 through the second fixing pipe 206, then the bolt 204 passes through the threaded hole 203, and the bolt 204 is fixed with the fixing plate 202 through the nut 205, thereby completing the installation of the filtering frame 101, then the two second valves 108 are respectively opened, the filtered liquid passes through the water inlet pipe 104, flows into the inner cavity of the filtering frame 101 and is filtered by the filtering device 103, the filtered liquid flows out through the water outlet pipe 105, thereby completing the filtration of the liquid, when the inner cavity of the filtering frame 101 needs to be cleaned, the water inlet pipe 104 is communicated with the water pipe of the cleaning water, the first valve 107 is opened by closing the 105, the cleaning water passes through the inner cavity of the filtering frame 101, and impurities intercepted by the filtering device 103 are discharged through the water outlet pipe 106, therefore, the backwashing effect is achieved, when the surface of the filtering device 103 needs to be cleaned after long-term use, the operations are carried out in the reverse direction, the filtering device 103 is taken out, and impurities on the surface of the filtering device 103 are cleaned.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a novel filter that denitration feed pump was used which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the filtering mechanism (100) comprises a filtering frame (101), a first fixed pipe (102) arranged at the bottom of air in the filtering frame (101), a filtering device (103) arranged on the surface of the first fixed pipe (102), a water inlet pipe (104) arranged on the left side of the filtering frame (101), a water outlet pipe (105) arranged at the bottom of the filtering frame (101), and a water outlet pipe (106) arranged on the front side of the filtering frame (101);

fixing mechanism (200), including connecting plate (201), set up in fixed plate (202) at connecting plate (201) top, set up in connecting plate (201) with screw hole (203) around fixed plate (202) surface, set up in bolt (204) of screw hole (203) inner chamber, and set up in nut (205) at bolt (204) top.

2. The novel filter for a denitration feed pump of claim 1, wherein: the filtering mechanism (100) further comprises a first valve (107) arranged on the surface of the drain pipe (106) and matched with the drain pipe (106).

3. The novel filter for a denitration feed pump of claim 2, wherein: the filtering mechanism (100) further comprises two second valves (108), and the two second valves (108) are respectively arranged on the surfaces of the water inlet pipe (104) and the water outlet pipe (105).

4. The novel filter for a denitration feed pump of claim 3, wherein: the filtering mechanism (100) further comprises two sealing rings (109) arranged at the top and the bottom of the filtering device (103), and the number of the sealing rings (109) is two.

5. The novel filter for a denitration feed pump of claim 4, wherein: the surface of the first fixed pipe (102) and the bottom of the inner cavity of the filtering device (103) are both provided with threads, and the filtering device (103) is in threaded connection with the first fixed pipe (102).

6. The novel filter for a denitration feed pump of claim 5, wherein: the periphery of the surfaces of the connecting plate (201) and the fixing plate (202) is provided with the threaded holes (203), and the number of the threaded holes (203) is eight.

7. The novel filter for a denitration feed pump of claim 1 or 6, wherein: the number of the bolts (204) is four, one ends of the bolts (204) close to the threaded holes (203) extend to the top of the fixing plate (202) through threaded connection, and the nuts (205) are in threaded connection with the bolts (204).

8. The novel filter for a denitration feed pump of claim 7, wherein: the number of the nuts (205) is eight, and the nuts are uniformly distributed on the surface of the bolt (204) on the top of the fixing plate (202).

9. The novel filter for a denitration feed pump of claim 8, wherein: the fixing mechanism (200) further comprises a second fixing pipe (206) arranged at the bottom of the fixing plate (202), threads are arranged on the surface of the second fixing pipe (206) and the top of the inner cavity of the filtering device (103), and the second fixing pipe (206) is in threaded connection with the filtering device (103).

10. The novel filter for a denitration feed pump of claim 1 or 9, wherein: the diameter of the filtering frame (101) is one hundred and eight millimeters, and the diameter of the drain pipe (106) is twenty millimeters.